INDOOR UNITS SYSTEM FREE SERIES
& COMPLEMENTARY SYSTEMS
Service Manual
RCI - FSN4
RCIM - FSN4(E)
RCD - FSN3
RPC - FSN3(E)
RPI - FSN(3/4)(P)E(-f)
RPIM - FSN4E(-DU)
RPK - FSN(H)3M
RPF - FSN2E
RPFI - FSN2E
KPI - (E/X)4E
DX - Interface - EXV-E2
Econofresh - EF-456NE
Page 1: ... SYSTEM FREE SERIES COMPLEMENTARY SYSTEMS Service Manual RCI FSN4 RCIM FSN4 E RCD FSN3 RPC FSN3 E RPI FSN 3 4 P E f RPIM FSN4E DU RPK FSN H 3M RPF FSN2E RPFI FSN2E KPI E X 4E DX Interface EXV E2 Econofresh EF 456NE ...
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Page 3: ...7 8 9 10 11 Contents General information Unit installation Piping work and refrigerant charge Electrical and control settings Control system Optional functions Commissioning Electrical check of main parts Servicing Troubleshooting Maintenance notes ...
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Page 5: ...rol switch 12 1 3 13 Centralised remote controls 13 1 3 14 Building air conditioning controls 13 1 3 15 Gateways for building management systems BMS 14 1 3 16 Control support devices 14 1 3 17 Control accessories 15 1 3 18 Other devices compatible with HITACHI Air Conditioning systems 15 2 Unit installation 17 2 1 RCI 4 way cassette 19 2 1 1 Accessories supplied with the unit 19 2 1 2 Unit install...
Page 6: ...e suction air filter 55 2 7 RPI Ducted indoor unit 16 20 FSN3PE f 56 2 7 1 Unit installation 56 2 8 RPK FSN H 3M Wall mounted 58 2 8 1 Accessories supplied with the unit 58 2 8 2 Unit installation 58 2 8 3 Mounting bracket dimensions 62 2 9 RPF Floor type RPFI Floor concealed type 64 2 9 1 Accessories supplied with the unit 64 2 9 2 Unit installation 64 2 9 3 Change in the air outlet direction RPF...
Page 7: ... K1 Antibacterial long life air filter 92 2 13 7 Deodorising filter 92 2 13 7 1 For RCI FSN4 indoor units F 71L D1 and F 160L D1 92 3 Piping work and refrigerant charge 95 3 1 Refrigerant pipe selection 96 3 1 1 Refrigerant pipe selection 96 3 2 Copper pipes sizes connection and insulation 97 3 2 1 Copper pipes and sizes 97 3 2 2 Pipe connection 98 3 2 3 Insulation of multikits and or branches 98 ...
Page 8: ...4 4 1 4 Electrical connection of RCI units 134 4 1 5 Electrical connection of RCIM units 136 4 1 6 Electrical connection of RCD units 138 4 1 7 Electrical connection of RPC units 140 4 1 8 Electrical connection of RPI units 141 4 1 9 Electrical connection of RPIM units 145 4 1 10 Electrical connection of RPK units 147 4 1 11 Electrical connection of KPI units 152 4 1 12 Econofresh electrical wirin...
Page 9: ...5 5 9 2 Printed circuit board for DX Interface 196 5 10 Safety protection and control 197 5 11 Indoor electronic expansion valve control 198 6 Optional functions 199 6 1 Indoor units input and output signals 200 6 1 1 Available ports 200 6 1 2 Optional signal configuration 202 6 1 3 Programming with remote controller 204 6 1 4 Description of optional input signals 204 6 1 5 Description of optional...
Page 10: ...uit Board PCB1 251 9 1 6 Removing Drain Pan 252 9 1 7 Removing Antibacterial Agent 252 9 1 8 Removing Drain Up Mechanism 253 9 1 9 Removing Float Switch 254 9 1 10 Removing Thermistors for Liquid Pipe and Gas Pipe 255 9 1 11 Removing Electronic Expansion Valve Coil 256 9 1 12 Removing Auto Louver Motors 257 9 1 13 Removing Louver 258 9 2 RCIM 0 6 2 5 FSN4 E 4 way cassette compact 259 9 2 1 Removal...
Page 11: ...ir outlet grille 276 9 4 4 Removal of the fan motor 277 9 4 5 Removal of the fan shaft support 278 9 4 6 Removal of the coupling 278 9 4 7 Removal of the automatic louver motor 278 9 4 8 Removal of the thermistors from the liquid and gas pipes 279 9 4 9 Removal of the printed circuit board PCB 280 9 5 RPC 1 5 6 0 FSN3 Ceiling type 281 9 5 1 Removing Air Filter and Air Inlet Grille 281 9 5 2 Removi...
Page 12: ... 9 1 Removal of the air filter 307 9 9 2 Removal of the front panel 307 9 9 3 Electrical Box Structure 311 9 9 4 Remove the electrical box cover 312 9 9 5 Remove the switch cover 312 9 9 6 Replacing PCB1 for Control 313 9 9 7 Removing Electrical Box 315 9 9 8 Removing AS Motor 317 9 9 9 Removing Drain Pan 317 9 9 10 Removing Heat Exchanger 320 9 9 11 Removing Thermistors for Freeze Protection Gas ...
Page 13: ... 10 3 Inspection of other components 346 10 4 Outdoor and indoor alarm codes 347 10 5 DX Interface EXV 2 0 10 0 E2 or KPI E X 4E alarm codes 349 11 Maintenance notes 351 11 1 Regular equipment maintenance 352 11 1 1 Necessary tools equipment and consumable for regular maintenance 352 11 2 Indoor cleaning 353 11 2 1 Cleaning the built in 4 way indoor unit RCI M 353 11 2 2 Cleaning the built in 2 wa...
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Page 15: ...e up indoor units 5 1 3 6 Product line up KPI energy recovery unit 9 1 3 7 Product line up DX Interface 9 1 3 8 Product line up Econofresh 9 1 3 9 Accessory code list 10 1 3 10 Multi Kits 11 1 3 11 Individual remote controls 12 1 3 12 Receiver kit for combination with wireless remote control switch 12 1 3 13 Centralised remote controls 13 1 3 14 Building air conditioning controls 13 1 3 15 Gateway...
Page 16: ...d are not its responsibility As a result some of the images or data used to illustrate this document may not refer to specific models No claims will be accepted based on the data illustrations and descriptions included in this manual No type of modification must be made to the equipment without prior written authorization from the manufacturer 1 1 1 Introduction HITACHI offers the SYSTEM FREE rang...
Page 17: ...directly to your safety and physical wellbeing Not taking these instructions into account could lead to serious very serious or even fatal injuries to you and others in the proximities of the unit In the texts following the danger symbol you can also find information on safe procedures during unit installation CAUTION The text following this symbol contains information and instructions relating di...
Page 18: ...Up RPIM only f Non flammable insulation RPI 8 0 20 0 FSN3E f only XXX X X FS N H X P X xx 1 3 2 Classification of KPI models KPI Ventilation system Position separating hyphen fixed Capacity m3 h 250 500 800 1000 1500 2000 2 1 230V 50Hz E Energy recovery X Active Energy recovery DX section 4 series E Made in Europe KPI Y YY 2 Y 4 E 1 3 3 Classification of DX Interface models DX Interface type Posit...
Page 19: ...t Code RCIM 0 6FSN4 E 60278215 7E411137 RCIM 0 8FSN4 E 60278216 7E411100 RCI 1 0FSN4 70405001 RCIM 1 0FSN4 E 60278217 7E411101 RCI 1 5FSN4 70405002 RCIM 1 5FSN4 E 60278218 7E411102 RCI 2 0FSN4 70405003 RCIM 2 0FSN4 E 60278219 7E411103 RCI 2 5FSN4 70405004 RCIM 2 5FSN4 E 60278220 7E411104 RCI 3 0FSN4 70405005 RCI 4 0FSN4 70405007 RCI 5 0FSN4 70405008 RCI 6 0FSN4 70405009 Panel Panel P N23NA2 withou...
Page 20: ...0278165 RCD 2 5FSN3 60278246 RPC 2 5FSN3 60278166 RCD 3 0FSN3 60278247 RPC 3 0FSN3E 7E443005 RPC 3 0FSN3 60278167 RCD 4 0FSN3 60278248 RPC 4 0FSN3E 7E443007 RPC 4 0FSN3 60278168 RCD 5 0FSN3 60278249 RPC 5 0FSN3E 7E443008 RPC 5 0FSN3 60278169 RCD 6 0FSN3 60278250 RPC 6 0FSN3E 7E443009 RPC 6 0FSN3 60278170 Panel Panel P AP90DNA 60297300 P AP160DNA 60297301 NOTE The RCD models must be used in combina...
Page 21: ...DU 7E431015 RPI 2 0FSN4E 7E424016 RPI 2 5FSN4E 7E424017 RPI 3 0FSN4E 7E424018 RPI 4 0FSN4E 7E424020 RPI 5 0FSN4E 7E424021 RPI 6 0FSN4E 7E424022 RPI Indoor ducted unit Unit Code Unit Code Unit Code Unit Code RPI 8 0FSN3E 7E424010 RPI 8 0FSN3E f 7E424410 RPI 10 0FSN3E 7E424011 RPI 10 0FSN3E f 7E424411 RPI 16 0FSN3PE 7E425038 RPI 16 0FSN3PE f 7E425438 RPI 20 0FSN3PE 7E425039 RPI 20 0FSN3PE f 7E425439...
Page 22: ...7E450001 RPFI 1 0FSN2E 7E460001 RPK 1 5FSN3M 60278148 RPK 1 5FSNH3M 60278156 RPF 1 5FSN2E 7E450002 RPFI 1 5FSN2E 7E460002 RPK 2 0FSN3M 60278149 RPF 2 0FSN2E 7E450003 RPFI 2 0FSN2E 7E460003 RPK 2 5FSN3M 60278150 RPF 2 5FSN2E 7E450004 RPFI 2 5FSN2E 7E460004 RPK 3 0FSN3M 60278151 RPK 4 0FSN3M 60278152 Expansion valve kit 1 EV 1 5N1 1 60921791 NOTE 0 6 HP Indoor Units can only be used in combination w...
Page 23: ... 70603203 KPI 1502E4E 70603004 KPI 2002E4E 70603005 1 3 7 Product line up DX Interface DX Interface Control box Expansion valve box Unit Code EXV 2 0E2 7E611000 EXV 2 5E2 7E611001 EXV 3 0E2 7E611002 EXV 4 0E2 7E611003 EXV 5 0E2 7E611004 EXV 6 0E2 7E611005 EXV 8 0E2 7E611006 EXV 10 0E2 7E611007 1 3 8 Product line up Econofresh Econofresh Unit Code EF 456NE 7E560000 NOTE The EF 456NE unit can only b...
Page 24: ...ge for indoor air outlet 60299436 PDF 160C1 RCI 3 0 6 0 FSN4 60299437 PI 160LS1 RCI FSN4 3 way outlet parts set 60291756 F 160LK RCI FSN4 Antibacterial long life air filter installation on the panel 60291760 B 160H2 RCI FSN4 Filter Box Adapter for deodorising filter 60291759 F 71L D1 RCI 1 0 2 5 FSN4 Deodorant air filter installation on the Filter Box B 160H2 60291757 F 160L D1 RCI 3 0 6 0 FSN4 60...
Page 25: ...se damper 70550200 SLT 30 250 L600 70550201 SLT 30 300 L600 70550202 SLT 30 355 L600 70550203 HEF 252 KPI High efficiency filter 70552201 HEF 502 70552202 HEF 802 70552203 HEF 1002 70552204 HEF 1502 70552205 HEF 2002 70552206 1 3 10 Multi Kits Name Unit Reference Description Code Figure E 102SN4 SET FREE Line Branch 70524201 E 162SN4 70524202 E 242SN3 70524104 E 302SN3 70524105 E 52XN3 70525100 E ...
Page 26: ...056 1 3 12 Receiver kit for combination with wireless remote control switch Receiver kit name Indoor Unit application Compatible Wireless remote control Code Figure PC ALH3 RCI FSN4 PC AWR 60291767 on the panel PC ALHC1 RCIM FSN4 E PC AWR 60292003 PC ALHD1 RCD FSN3 PC AWR 60292053 PC ALHP1 RPC FSN3 PC AWR 60291823 PC ALHZ RPI FSN 3 4 P E RPIM FSN4E DU RPF I FSN2E PC AWR 60291473 on the wall PC ALH...
Page 27: ...tioning controls Name Description Code Figure CSNET WEB PSC A160WEB1 Centralised control system which runs CSNET WEB software to control the indoor units 7E512000 CSNET Manager LT Centralised control with a touch interface of 12 inches which runs CSNET MANAGER software to control the indoor units 7E512201 CSNET Manager XT Centralised control with a touch interface of 17 inches which runs CSNET MAN...
Page 28: ...001 Integration with installations with intelligent control BMS through CSNET WEB Gateway Interface to KNX systems 7E5121000 HARC BX E A Integration with installation with intelligent control Building Management System Gateway Interface to LONWORKS systems H LINK I communication Max 64 units with 8 parameters 60290874 HARC BX E B Integration with installation with intelligent control Building Mana...
Page 29: ...et configuration kit for HC A 8 64 MB and HC A64NET 7E512306 1 3 18 Other devices compatible with HITACHI Air Conditioning systems In addition to all the aforementioned HITACHI controls there are some non HITACHI devices for combination with HITACHI Air Conditioning systems These are the following HITACHI AIRZONE gateway HTI11001 Applicable to HITACHI RPI M units providing compatibility with the A...
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Page 31: ...el P N23DWA P N46DWA 39 2 3 4 Air panel installation 39 2 4 RPC Ceiling 41 2 4 1 Accessories supplied with the unit RPC FSN3 41 2 4 2 Unit installation 42 2 4 3 Suspension bracket installation RPC FSN3E 42 2 4 4 Suspension for FSN3 units 43 2 4 5 Indoor unit installation 45 2 5 RPI M Ducted indoor unit 0 6 6 0 FSN4E DU 48 2 5 1 Accessories supplied with the unit 48 2 5 2 Unit installation 48 2 5 3...
Page 32: ...2 Unit installation 75 2 12 3 Mounting method 76 2 12 4 Thermistor installation 77 2 13 Optional accessories 79 2 13 1 Outdoor air inlet 79 2 13 1 1 For RCI FSN4 indoor units OACI 160K2 and PD 75A 81 2 13 2 Duct adapters 83 2 13 2 1 For RCIM FSN4 E indoor units PD 75C 83 2 13 2 2 For RCD FSN3 indoor units PD 150D 83 2 13 3 T duct connection position 84 2 13 3 1 For RCI FSN4 indoor units TKCI 160k ...
Page 33: ...ce of false ceiling opening and position of the unit Checking pattern Cut out from the carton board 1 Washer with insulation M10 4 For unit installation Washer M10 4 Drain hose 1 For drain hose connection Wire clamp 1 Pipe insulation 1 For refrigerant piping connection Pipe insulation 1 Cord band 2 For fixing remote control switch wiring louver sensor and insulation of piping Cord band 6 Insulatio...
Page 34: ...ling surface is flat for the air panel installation work Clearance 10 20mm Unit High In False Ceiling Unit HP A mm RCI 1 0 to 2 5HP 238 RCI 3 0 to 6 0HP 238 Opening of false ceiling Cut out the area for the indoor unit in the false ceiling and install suspension bolts as shown below 20 20 840 760 20 20 760 4 12 x 32 Dimension of opening 860 to 910 Unit size Dimension of suspension bolts Holes for ...
Page 35: ... Nut field supplied Surface of ceiling Aprox 50 100 Aprox 50 Consider piping connection side before lift indoor unit Lift the indoor unit by hoist and do not put any force on the drain pain Secure the indoor unit using the nuts washers Suspension bolt Suspension bracket Drain pan NOTE If a false ceiling has already been installed complete all piping and wiring work inside the ceiling before hookin...
Page 36: ...f ceiling Pattern board for installation Screw M6 Dimension for opening Tighten the nuts of the suspension brackets after the adjustment is completed Apply LOCK TIGHT paint to the bolts and nuts in order to prevent them from loosening If not done abnormal noises or sounds may occur and the indoor unit may come loose 2 1 3 Air panel installation P N23NA2 Removing Air Intake Grille from Air Panel 1 ...
Page 37: ...n catch the C shaped hinges 2 portions onto the U shaped hooks 2 portions 4 Fix the air panel to the fixing plate by factory supplied long screws M6 cross screws Long screws Q ty 4 C shaped hinge Stamp refrigerant pipe Electrical box Refrigerant pipe connections Indoor unit Air panel U shaped hook Fixing plate 5 Tighten the long screws until touching the stopper to the fixing plate Check to ensure...
Page 38: ...ket Wrench Too considerable adjustment of height cause dewing from drain pan Do not turn the air louver by hand If moved the louver mechanism would be damaged Attachment of Corner Pocket Cover Attach the corner pocket covers after the air panel is completely assembled 1 Catch the band at the rear side of the corner pocket cover onto the projection at the air panel as shown A B Projection Fixing ho...
Page 39: ...ion 3 Clamp the extra length of the relay wire by the cord band and store it at inside the ceiling a Draw out the relay wire from the corner pocket of the air panel Connect the wiring for motion sensor at the corner pocket cover to the relay connector After connecting cover the relay connector connection by the wiring cover and fix the wiring cover by the plastic bands Catch the band at the rear s...
Page 40: ... for low voltage 18 poles white Motor wiring for auto louver on indoor unit Connector for low voltage 18 poles white Condition without air intake grille 2 After completing the wiring connection of the air panel attach the air inlet grille Perform the attaching work in the reverse procedure of removing 2 1 4 Accessories supplied with the air panel P N23NA2 Check that the following accessories are s...
Page 41: ...nection For Covering Wiring Connection For Covering Drain Connection 4 Drain hose Accessory Q ty Purpose Checking Scale Cut and Take Out it from the Carton Board Cross Recessed Head Screws M5 Washer with Insulation Material M10 Washer M10 Drain Hose Hose Clamp Pipe Insulation Pipe Insulation Cord Clamp Cord Clamp Insulation 5Tx50x200 Insulation 5Tx100x200 4 4 4 2 6 1 1 1 1 1 1 Insulation 5Tx25x500...
Page 42: ...ction area and electrical junction box for installation and maintenance work 1 Access door for duct adapter optional 2 Service access door 3 Electrical Box 4 Piping connection Distance from wall side Min 1500 Min 1500 Min 1500 Min 1500 Min 1500 Min 1500 Min 1500 Min 1500 Min 1500 Min 1500 Min 3000 1 1 1 2 2 2 3 3 3 4 4 4 Minimum service space Min 500 Min 100 Min 500 Min 1000 Min 100 Min 2400 Pipin...
Page 43: ...essory 6 Nut field supplied 7 Ceiling Approx 45 mm Approx 50 mm Thread on the nuts and fit the washers for all the bolts as shown in the figure Fit two suspension brackets onto the nut and washer of each bolt starting on one side Check that the nuts and washers are correctly secured with the suspension bracket retainers and fit the brackets onto their nuts and washers on the other side Fit the was...
Page 44: ...nstallation Packing Corrugated Board 1 Indoor unit 2 Attach this side of the checking scale to the inner side of the opening of the ceiling 3 Attach this side of the checking scale to the lower side of the unit 4 Attach this side of the checking scale to the ceiling panel 5 Checking scale 6 Check the height of the ceiling at each corner of the unit 7 Check the dimension of the opening at each side...
Page 45: ...let grille as shown in the illustration open the air inlet griller until an angle of aproximately 45º in relation to the air panel surface 2 Lift the grille while keeping it tilted NOTE Although the Air inlet griller can be opened until an angle up to 90º from the Air panel surface it can not be removed 45 Air panel Knobs Corner pocket cover x4 Air inlet grille CAUTION Do not allow the grille to s...
Page 46: ...ew completely 2 Indoor unit 3 Fixing sheet for air panel indoor unit side 4 Bottom side of indoor unit 5 Sealing gasket 6 Fixing sheet for air panel panel side 7 Fixing screw for air panel 8 Air panel 9 Fase ceiling 2 3 2 4 5 6 7 8 9 16 Check that there are no gaps in the touching surface between the indoor unit and the air panel Gaps may cause air leaks or condensation Attach the corner pocket co...
Page 47: ...el A A B Considerations following air panel installation Tighten the long bolts appropriately Otherwise installation faults may be caused Air leakage Smudge Dewing Readjust the height of the indoor unit if gaps are seen around it Use long bolts and nuts for readjustment as indicated below No gap shall exist Once the air panel is installed the final height of the indoor unit can be adjusted using a...
Page 48: ... CN17 in the electrical box as the following figure NOTE Before the electrical wiring work turn OFF the power source If the connectors are connected without turning OFF the power source the auto swing louver can not activate ON 1 2 ON 1 2 CN17 Air panel PCB Cable for auto swing motor Connector CN17 Earth screw Electrical box Indoor unit Wire clamp Control cable Remote control switch cable Power so...
Page 49: ...ing opening and position of the unit Cross recessed head screws M6 6 For fitting paper pattern Washer with insulation material M10 4 For Unit Installation Flat washer M10 4 Drain hose 1 For the Drain hose connection Hose clamp 1 Pipe Insulation 1 For the Refrigerant pipe connection Pipe Insulation 1 Cord clamp 2 To fix the Remote control switch and refrigerant pipe insulation Cord clamp 6 Insulati...
Page 50: ... Service access panel Single unit installation Multiple unit installation Minimum Height 1000 mm Check that the ceiling surface where the air panel is to be installed is completely horizontal Check that the drain hose can be installed maintaining the necessary down slope Installation Determine the final location and installation direction of the indoor unit paying attention to the space for the pi...
Page 51: ... fit the brackets onto their nuts and washers on the other side Fit the washers with the insulation facing downwards as shown in the figure Bear in mind the position of the side for pipe connection before lifting the indoor unit Where a false ceiling is already installed install and prepare the pipes and cables on the indoor unit before lifting it CAUTION Before lifting the unit prepare any necess...
Page 52: ...ing with an opening check the dimension of the opening and adjust the clearance between the Indoor unit and the opening following the indications given in the next illustrations Attach the scale to the bottom side of the unit Indoor unit Attach the scale to the surface of ceiling Checking scale Indoor unit Surface of ceiling Longer dimension of opening Shorter dimension of opening Check the cleara...
Page 53: ...n the indoor unit are approximately 117 mm in height above the false ceiling 47 5 0 117 mm Suspension brackets Ceiling surface Remove the air inlet grille from the air panel Nº Part 1 Take up the grille keeping it inclined 2 Approx 40 correct 3 Air inlet grille 4 Air filter 5 Wrong 6 Air panel 7 Ceiling 40o 7 1 2 3 4 5 6 Open the air inlet grille until it is at an angle of approximately 40 in rela...
Page 54: ... for P N46DWA Considerations following air panel installation CAUTION Do not move the air louver by hand The drive mechanism may be damaged Air louver Electrical connection of the air panel CAUTION Switch off the power supply to the unit before coupling the connectors otherwise the automatic louver will not work The following connector is used with the air panel see from the lower surface of the a...
Page 55: ... the accessories has not been supplied with the unit Accessory Appearance Quantity Purpose Suspension bracket 2 For unit suspension Washer 8 For suspension bracket Pipe Insulation Large 1 For refrigerant piping connection Pipe Insulation Small 1 Cord Clamp Large 6 For Fixing Insulation Cord Clamp Small 1 For Fixing Plug Drain hose 1 For the drain hose connection Wire clamp 2 Insulation material 5T...
Page 56: ...horizontal Check that the drain hose can be installed maintaining the necessary down slope RPC FSN3E 300mm 300mm 40mm 8mm 400mm 500mm RPC FSN3 Minimum service space to tighten the suspension bolt Minimum service space for auto louver motor For single installation For parallel installation 2 4 3 Suspension bracket installation RPC FSN3E Cut out the printed pattern on the inside of the unit s cardbo...
Page 57: ...r unit rear side Indoor unit front side Nuts and washers field supplied Suspension bracket Sling bolt m10 field supplied 2 4 4 Suspension for FSN3 units 1 Determine the final location and installation direction of indoor unit with care to the space for piping and wiring 2 After the position of indoor unit is determined make holes in the ceiling to install the suspension bolts The position of suspe...
Page 58: ...pension bolts 4 portions d Mount the indoor unit to the suspension brackets e Tighten the 4 nuts and the fixing screw for suspension bracket Suspension bolt Suspension bracket Washer Nut Suspension bolt Max 50 mm Nut accessory Rear side of indoor unit 6mm Ceiling Suspension bolt Tighten accessory 4 nuts M8 Hanging indoor unit without suspension bracket If there is not enough service space between ...
Page 59: ...cur 9 Attach the side cover and the supporting string 10 Remove the protection film attached to the louver surface 11 Remove the protection tape attached to the air inlet filter 2 4 5 Indoor unit installation CAUTION To avoid damage to the resin side covers remove them before lifting or moving the indoor unit Thread the nuts and fit the washers on all the bolts Fit the securing bolts onto the nut ...
Page 60: ...door unit before lifting it Cut the area of the unit in the false ceiling and reinforce the opening made CAUTION Before lifting the unit prepare any necessary means ladders scaffolding elevator platform etc and check that the current safety regulations in the place where the installation is taking place are met Check that the lifting work can be carried out without the risk of injuries to you or o...
Page 61: ...el or a clear flexible pipe full of water The rear of the unit where the drain hose is located must be around 3 mm lower than the front side Secure the drain hose with the clamp and adhesive supplied RPC FSN3E RPC FSN3 Water level Transparent plastic tube containing water Drain pipe connection from horizontal View from front View from right from horizontal Lower the indoor unit 10mm when the optio...
Page 62: ...cessory Appearance Quantity Purpose Wire clamp 1 For the drain hose connection only for RPI 0 8 1 5 FSN4E Drain hose 1 For drain connection only for RPIM 2 5 2 Unit installation Initial checks Check that there is enough space around the unit Consult the corresponding chapter of the Technical Manual for information on the unit measurements RPI Ducted indoor unit 0 6 1 5 FSN4E RPI Ducted indoor unit...
Page 63: ...e bolts as shown in the figure Fit two suspension brackets onto the nut and washer of each bolt starting on one side Check that the nuts and washers are correctly secured with the suspension bracket retainers and fit the brackets onto their nuts and washers on the other side Bear in mind the position of the side for pipe connection before lifting the indoor unit CAUTION Before lifting the unit pre...
Page 64: ...tion side This filter is supplied for cases where no suction duct is applied or when the duct is very short Secure the flexible air duct to the outsides of the hoses supplied with the unit 1 Inlet air 2 Outlet air 3 Standard air filter factory supplied 4 Optional air filter field supplied or adapted factory supplied one 5 Insulated duct installed on the outer side of the flanges 6 Flexible duct in...
Page 65: ...N4E DU Change in position of the air inlet on RPIM 0 6 1 5 FSN4E DU models the position of the air inlet and therefore its direction can be modified by changing the position of the rear cover as shown in the illustrations 1 2 4 3 1 Initial position of the air inlet factory supplied 2 Remove the front and rear covers and the electrical box from the unit 3 Switch the position of the front and rear c...
Page 66: ... 0 FSN4E models the position of the air inlet and therefore its direction can be modified by changing the position of the rear cover as shown in the illustrations 1 A 2 B 3 4 1 Initial position A of the air inlet factory supplied 2 Air inlet and bottom cover away from the unit 3 Interchange air inlet and cover position 4 Final position B of the air inlet ...
Page 67: ... 4 For 10 HP only Piping adapter Ø9 52 x Ø12 7 For 10 HP only 2 6 2 Unit installation Initial checks RPI Ducted indoor unit 8 0 10 0 FSN3E f 1 Rear 2 Unit inspection and maintenance access 3 Front side Check that there is enough space around the unit Consult the corresponding chapter of the Technical Catalogue for information on the unit measurements Before starting installation plan the direction...
Page 68: ...here the installation is taking place are met Check that the lifting work can be carried out without the risk of injuries to you or others in the surrounding area Request the assistance of another person to lift the unit Nut Washer Suspension bracket Sling bolt Lift the unit carefully Check that the condensate discharge system in the indoor unit works correctly To do so check the level of the drai...
Page 69: ...ing on the installation type 1 Where the suction duct is not used keep the standard air filter 2 Where the suction duct is used fit the air filter at the suction duct inlet point removing the standard air filter from the unit This air filter must be field supplied or a factory adapted one must be used Outlet air Inlet air Air filter field supplied Outlet air Inlet air Air filter Damper field suppl...
Page 70: ...following steps 1 Hook the suspension bracket of the lower unit to the nut and washer of each sling bolt as shown starting from one side 2 After checking that the nut and washer has been correctly fixed by the retainers of the suspension bracket hook the top side of the suspension bracket of the lower unit by using another nut and washer as shown below 3 Hook the upper unit brackets for balancing ...
Page 71: ...or this purpose It is recommended to use a Flexible field supply Duct portion in order to avoid any abnormal sound vibration RPI units are supplied with standard Air Filter at the suction side This filter is provided for the cases in which no Suction Duct is applied or it is very short It is recommended the following indications depending on the installation Keep the standard Air Filter in case of...
Page 72: ...ermal Insulation pipe 1 1 For insulating refrigerant piping 2 8 2 Unit installation Initial checks Check that there is enough space around the unit Consult the corresponding chapter of the Technical Manual for information on the unit measurements Before starting installation plan the direction of the pipes and wiring required Also bear in mind that there must be enough space around the unit for in...
Page 73: ...suspension bracket with more than 5 fixing screws Check that the mounting bracket is installed so that the drain pipe side is slightly lower around 3 mm than the other side for easier condensate discharge NOTE The drain hose connection can be made on the right or the left of the unit Installation on a concrete wall or a concrete block fit the mounting bracket to the wall using anchor bolts as show...
Page 74: ...n it fully Lift up the air filter detach the catches from the indoor unit and remove the air filter downward After the right arm shaft is expanded outward and the shafts are removed from the front panel pull the flat panel frontward while the right arm shaft is slightly expanded outward Flat panel Remove this part from the hole Expand the shaft toward arrow direction Attaching flat panel for RPK 0...
Page 75: ...l pull the flat panel frontward while the right arm shaft is slightly pushed inward Flat panel Push the shaft toward arrow direction Remove this part from the hole Attaching flat panel for RPK 2 0 4 0 FSN3M Insert completely the left and right arm shafts of flat panel into the holes along the guide at the front panel After the flat panel is attached completely insert the catches for air filter to ...
Page 76: ... wirings For RPK 0 6 1 0 FSNH3M units it is recommended to connect the piping at the right rear side of the body to avoid the sound from the refrigerant running through RPK 1 5FSN H 3M unit suspension bracket For RPK 1 5FSNH3M it is recommended to connect the piping at the right rear side of the body to avoid the sound from the refrigerant running through 230 239 300 45 45 136 107 5 101 44 900 255...
Page 77: ...434 141 93 250 100 105 87 660 105 100 344 344 560 㸰㸮 㸳 20 40 20 20 㸳㸮 㸲 㸳㸮 㸲 300 310 300 310 60 28 1150 42 333 517 434 141 42 5 37 14 37 14 200 100 100 φ80 φ80 Left side of service space Min Min Min Exterior contour for indoor unit Right side of service space Left rear side hole for pipes and wirings Right rear side hole for pipes and wirings Suspension bracket ...
Page 78: ...t installation Initial checks Check that there is enough space around the unit Consult the corresponding chapter of the Technical Catalogue for information on the unit measurements RPF Floor type 1 0 2 5 FSN2E RPFI Floor concealed type 1 0 2 5 FSN2E 1 Vertical air outlet 1 Horizontal air outlet Before starting installation plan the direction of the pipes and wiring required Also bear in mind that ...
Page 79: ...le and position the unit carefully Check that the attachment position in mm of the unit is as indicated in the figure Model A B C D E F G RPF 1 0FSN2E 1045 754 217 732 228 140 360 RPF 1 5FSN2E 1170 879 857 228 140 630 RPFI 1 5FSN2E 988 879 66 857 77 138 620 RPF 2 0FSN2E 1420 1129 11 1107 228 140 630 RPF 2 5FSN2E RPFI 2 0FSN2E 1234 1129 11 1107 53 139 620 RPFI 2 5FSN2E Adjust the horizontal level o...
Page 80: ...tchen or bathroom as condensation may settle on its surface RPFI units Install an additional access cover attached with screws so as not to touch the fan duct directly Air outlet flange Absorbent plate for water Polyurethane foam for thermal insulation field supplied Air outlet duct field supplied Floor concealed unit 2 9 3 Change in the air outlet direction RPFI units The air outlet direction of ...
Page 81: ...it NOTE Please contact your HITACHI distributor if any of the accessories has not been supplied with the unit Accesory Appearance Quantity Duct adapter 4 Screw 24 Washer 8 Nut 12 Vibration Abs Rubber 4 Rubber duct joint 4 2 10 2 Unit installation Initial checks Fixing onto floor using wood screws 2 M8 View from top side Fixing onto wall View from front side Fixing onto floor using wood screws 4 M5...
Page 82: ... of condensation arises if the line connecting the outdoor and indoor temperature points and the conditions of humidity cross the saturation curve in the psychrometric chart Raising the temperature at point A outdoor air to point A gives improved conditions in which the line connecting the outdoor and indoor temperature points and the conditions of humidity do not cross the saturation curve In thi...
Page 83: ...olts in the holes from which the suspension brackets have been removed to avoid air leaks KPI unit 5 mm Nut Washer Anchor bolt Rubber isolator CAUTION Before lifting the unit prepare any necessary means ladders scaffolding elevator platform etc and check that the current safety regulations in the place where the installation is taking place are met Check that the lifting work can be carried out wi...
Page 84: ...the connection to avoid air leaks The duct connection hoses have a previously installed sealing system Suspend the ducts from the ceiling so that the weight does not rest on the unit Cover the two outdoor ducts with suitable heat insulation material to prevent the formation of condensation Secure the flexible air duct to the outsides of the hoses supplied with the unit Duct connecting flange Outdo...
Page 85: ...utlet 2 OA outside air intake 3 Return air grille 4 Supply air grille 5 Service space 6 Service access panel Example of installation Deep hood to prevent rainwater from seeping in Anchor bolt to the provided by user Inspection opening Supply air grille SA Supply air RA Return air Return air grille OA outdoor air intake EA exhaust air outlet ...
Page 86: ...2 11 2 Unit installation Initial checks Before Econofresh kit installation refer to indoor unit s Installation and Operation Manual Install the indoor unit with a proper clearance around it for operation and maintenance working space as shown below Upper View SA OA RA 200mm 400mm SA Suction air RA Return air OA Outlet air DANGER Do not install the indoor unit in a flammable environment to avoid fi...
Page 87: ...oden Beam Nuts Square washers Sling Bolt W3 8 or M10 Anchor Bolt Steel Suspension Bolts W3 8 or M10 For Concrete Slab 150 160mm Wooden Bar 60 mm to 90 mm Square I Beam Step 3 Hanging the unit Hang the suspension bracket on the anchor bolts and adjust in such a way that the unit is installed horizontally Tighten up securely using double nuts in order to prevent looseness Sling Bolt M8 to M10 Washer...
Page 88: ...N17 Supply Air Duct RPI Unit Econofresh Outdoor Air Duct Fully Insulated Field Supplied Downward Gradient of Duct Outdoor Thermistor Accessory Rain Hood with Bird Screen Field Supplied Pressure relief damper field supplied connected if necessary to the outside or to another place with atmospheric pressure Return Air Filter Field Supplied Return Air Duct Thermistor Cable Accessory AS Motor Cable Ac...
Page 89: ... controller can be removed if the pin 7 is switched to ON position In this case pay attention to all the setting details related with the remote controller because after remove it they cannot be changed Do not install the DX Interface where electromagnetic wave is directly radiated to the control box or expansion valve box Install a noise filter when noise is emitted from power supply Do not insta...
Page 90: ...the insulation 7 Do not install the DX Interface in a organic solvent thinner or benzine environment Synthetic resin parts may dissolve 8 Do not install the DX Interface where generation flowing or staying of flammable gas may occur 9 The sound of refrigerant running through from the expansion valve box may be heard Therefore install the expansion valve box where the sound will not leak such as in...
Page 91: ...ailure NOTE When fitting the thermistors remember that they must be secured correctly by the special clamp ensuring the perfect contact between the pipe and thermistor Cover it completely with insulation like cork tape or pipe insulation depending on the location Replace them if damaged during maintenance work Thermistor installation example 1 Liquid gas pipe thermistor factory supplied 2 Thermist...
Page 92: ...ace are not long enough please make sure that the length extension is properly done avoiding the sensing distortion and that the joint is properly insulated to avoid any electrical failure NOTE When fitting the air thermistor remember that they must be secure correctly in an adequate place to avoid external influences like ambient conditions and where the air temperature is significant Cable clamp...
Page 93: ...e condensation may be produced on the inner surface of the drain pan air inlet hole and in some cases dew may form In the case without total heat exchanger use the fresh air intake kit within the range which dewing does not occur at this kit duct and inside the indoor unit With or without the total heat exchanger follow the countermeasure according to the temperature difference between the supply ...
Page 94: ...h gallery attached drip proof hood type 4 Air filter 5 Duct fan 6 Service panel 7 Damper The air through the duct does not pass through the air filter of the indoor units Fit an air filter Field supplied to the suction side of the outdoor air inlet duct in a position that allows for easy maintenance operations Insulate the duct and its connection using fireproof insulating materials only NOTE The ...
Page 95: ...I 160K2 20 50 10 5 55 80 174 850 700 887 775 37 850 700 3 7 Installation dimension Air flow Air flow Installation dimension U shaped hook 2 portions Fixing plate 4 portions Connecting box accessory Flange accessory Insulation Polyethylene Packing EPDM Installation height Before compression After compression Air panel side Indoor unit side Fresh air total heat exchanger Fresh air total heat exchang...
Page 96: ...al box View from P Suspending position Dimension for opening 910 920 Dimension for opening 860 910 Fresh air total heat exchanger after compression When installing the indoor unit keep the dimension min 40 mm to prevent the interference with the connecting box HP a b 1 0 3 0 328 241 4 0 6 0 378 291 Duct adapter PD 75A 73 50 110 40 110 95 24 o P 4 x φ6 5 V0 ABS D 90C14458 Connecting duct diameter 7...
Page 97: ...For RCD FSN3 indoor units PD 150D The PD 150D duct adapter for RCD FSN3 is used as a connection flange to attach the fresh air intake outlet for connecting the flexible duct Ø150 35 70 168 Ø168 Ø 188 3 Ø137 Ø148 Ø6 5 x 4 Duct adapter Guide Polyethylene An example of installation of the duct adapter PD 150D is shown below Refer to Installation Maintenance Manual of duct adapter for more detailed in...
Page 98: ...essories Packing Fixing screws x4 Installation manual 2 13 3 T duct connection position 2 13 3 1 For RCI FSN4 indoor units TKCI 160k The T duct connection is designed for easier connections between the outdoor air inlet and the connection duct The T duct connection can only be installed when using the outdoor air inlet kit optional or the filter box optional 210 77 50 410 25 φ75 φ75 φ105 φ145 φ100...
Page 99: ...F 71C PDF 160CI If there are obstacles such as partitions inside the room that prevent the air from circulating correctly branches can be installed to provide an even air temperature Suitable return air grilles must be installed in line with the volume of return air If air conditioning is provided in an adjoining room always install a return grille Partition Small room return grille Flexible duct ...
Page 100: ...0LS1 RCI 1 0 6 0 FSN4 To connect to the panel outlet The quantity of air from the branched duct side is shown in the table below as the air quantity index of the unit If two branched ducts are connected to the unit the amount of air from the branched duct side will be greater and the speed of the air on the 3 way outlet side will decrease Therefore the hot air projection distance will be reduced 1...
Page 101: ...sheet are 470 440 435 380 40 30 35 10 63 80 520 17 92 Sheet Blocking plate Notch Applying adhesive Standard width 0 55 Nonwoven fabric Notches 4 portions Install the interlock plates as indicated in the figure B Blocking plate Sheet Sheet Panel Panel Electrical box Drain pan Drain pan Blocking plate Indoor unit insulation View from B Path for fresh air intake Do not attach the sheet to the indoor ...
Page 102: ...N4 Refer to the item 1 3 Way Outlet for the size of blocking plate of each model 1 Change the position of the outlet temperature thermistor If not the room temperature adjustment may not be available 2 In the case of Example 3 the air flow volume will decrease compared with other cases Set the high speed setting Example for 3 Way and 2 Way Outlet Near the wall 3 way outlet In a corner 2 way outlet...
Page 103: ...it side Air panel side Packing EPDM Before compression After compression Installation height Insulation Polyethylene When the filter box is installed the total height of the unit increases by approximately 55 mm Therefore pay attention to the installation space Bear in mind that the size before compression is 10 mm but the size is reduced after compression to 5mm 840 55 12 50 a b 5 155 Min 10 Pack...
Page 104: ...t NOTE The filters are sold separately Dimensions mm Model a BD 90HD 850 BD 160HD 1410 Service space 417 630 8 300 49 60 68 10 Long life filter Air inlet flat grille Air panel Attached with optional air panel Ceiling Filter box option Air filter Indoor unit Installation height After compression Min Specifications B 90HD B 160HD Item RCD 0 8 3 0 FSN3 RCD 4 0 6 0 FSN3 Quantity 1 Installation height ...
Page 105: ...e square holes into the extruded parts of air inlet grille Model a mm RCI 1 0 2 5 FSN4 238 RCI 3 0 6 0 FSN4 288 Specifications Part RCI 1 0 6 0 FSN4 Dust collection efficiency 50 gravimetric method Air flow rate m3 min 35 0 Initial pressure loss Pa 28 0 Final pressure loss Pa 62 0 Filter Frame colour White Brown Working life 4 years with maintenance every 1250 hours Cleaning Available Weight kg 0 ...
Page 106: ... K1 A F 90MD K1 A B Air volume m3 min Pressure Loss Pa Dust collection efficiency 65 Gravimetric method 1 Air flow m3 min 19 5 32 5 Initial pressure Loss Pa mmAq 17 0 20 5 End pressure Loss Pa mmAq 55 9 62 8 Colour Filter frame White Brown Life period 8 years with 2500 hours maintenance Cleaning Not available Accessory Installation manual Weight kg 0 9 0 8 x 2 Performance Avoids the multiplication...
Page 107: ...essure loss Pa 19 0 36 0 Final pressure loss Pa 48 0 78 0 Filter frame colour Pink Silver Working life 3 years with maintenance every 3 6 months Reuse Available dried by sunlight 1 Cleaning Available washed with water 2 Weight kg 0 8 1 2 Performance Absorbs smoke body odour etc Filter material Antibacterial fiber Acrylate Fiber 1 Absorbed fiber for basic gas Acrylate Fiber 2 Absorbed fiber for aci...
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Page 109: ...pipe suspension 105 3 5 Refrigerant and drain hose installation 106 3 5 1 RCI 1 0 6 0 FSN4 4 way cassette 106 3 5 2 RCIM 0 6 2 5 FSN4 E 4 way cassette compact 108 3 5 3 RCD 0 8 6 0 FSN3 2 way cassette 109 3 5 4 RPC 3 0 6 0 FSN3E Ceiling type 110 3 5 5 RPC 1 5 6 0 FSN3E Ceiling type 112 3 5 6 RPI 0 6 1 5 FSN4E Ducted indoor unit 116 3 5 7 RPI 2 0 6 0 FSN4E Ducted indoor unit 118 3 5 8 RPI 8 0 10 0 ...
Page 110: ...door units The diameter of the refrigerant pipes depends directly on the power of the outdoor unit If larger diameter refrigerant pipes are used the circuit lubrication oil tends to separate from the gas carrying it The compressor will be seriously damaged due to a lack of lubrication If smaller diameter refrigerant pipes are used the gas or liquid refrigerant will have serious difficulties in cir...
Page 111: ... 0 80 Coil soft Ø9 52 3 8 0 80 Coil soft Ø12 70 1 2 0 80 Coil soft Ø15 88 5 8 1 00 Straight lengths hard Coil soft Ø19 05 3 4 1 00 Coil soft Ø22 22 7 8 1 00 Coil soft Ø25 40 1 1 00 Straight lengths hard half Ø28 57 1 1 8 1 00 Straight lengths hard half Always use clean copper pipes with no signs of knocks or cracks Make sure there is no dust or dampness on the inside Before you install the pipes c...
Page 112: ...sulation on the pipe connection to the indoor unit using the insulating material supplied C secure the insulation using the flange supplied or using suitable adhesive tape D Installation refrigerant gas pipe E installation insulation field supplied F brazing G flare the pipe after inserting the flare nut H indoor unit insulation I indoor unit A I B C D E F G H NOTE Where polyethylene foam insulati...
Page 113: ...n line with the instructions given in the Service Manual corresponding to the outdoor units of the UTOPIA or SET FREE systems especially when the outdoor unit is situated at a different height than the indoor units System performance depends on the distance between the outdoor and indoor unit This aspect must be taken into account for the installation of the refrigerant pipe The outdoor units are ...
Page 114: ...ation and compressor fault Pipe protection 1 Seal the ends of the pipes 2 Protect and insulate the ends of the pipes Wash Vacuum dry 2 Cleaning Absence of dust on the inside of the piping Dust or other elements entering the ends of the pipes Film of rust formed during brazing without nitrogen injection Insufficient nitrogen wash after brazing Expansion valve capillary tube and filter clogging Oil ...
Page 115: ... ground so that the turning movement of the roll as it is unwound forms a straight pipe NOTE The rolls of copper refrigeration pipe are normally supplied with caps on their ends Where the roll of pipe does not come supplied with caps check that the inside of the pipe is clean If it is not use a new roll of pipe It is also possible to cover the end of the pipe temporarily using high quality adhesiv...
Page 116: ...ot to be immediately flared protect the end of the pipe using a suitable cap or high quality insulation tape CAUTION Do not leave the ends of flared pipes unprotected 3 4 3 Bending copper pipes Where the refrigerant pipes are to be bent always use a bending tool or a spring both of a diameter that is adapted to the pipe to be bent The bending radii must be as wide as possible so that the gas or li...
Page 117: ... 42 0 08 12 Ø28 58 0 12 0 12 Ø28 78 0 1 0 0 42 0 08 12 Ø31 75 0 12 0 12 Ø32 0 0 1 0 0 47 0 13 12 Ø38 1 0 12 0 12 Ø38 3 0 1 0 0 52 0 18 14 The necessary brazing must be done by brazing using a copper and silver alloy Before you start brazing install a dry nitrogen gas injection system inside the pipes to prevent the copper from being exposed to the air while it is subjected to high temperatures CAU...
Page 118: ...the connection lined up with one hand and gently thread on the flare nut with the other Tighten the connection to the corresponding tightening torque indicated in the table below Nominal diameter Tightening torque mm Inches Ø6 35 1 4 20 Nm Ø9 52 3 8 40 Nm Ø12 7 1 2 60 Nm Ø15 88 5 8 80 Nm Ø19 05 3 4 100 Nm Ø22 20 7 8 Ø25 40 1 Ø28 60 1 1 8 CAUTION Secure the fixed connection with a suitable wrench a...
Page 119: ... in temperature of the refrigerant and the subsequent loss of energy and the condensation of water along the entire pipe Refrigerant pipes must always be separately insulated using closed cell insulation foam designed especially for refrigeration This insulation foam supplied by the installer can be obtained in different formats The most common is in the form of sheets and rolls of tubes of differ...
Page 120: ...onnections Nominal diameter Measurement B mm mm inches Ø6 35 1 4 17 Ø9 52 3 8 22 Ø12 70 1 2 26 Ø15 88 5 8 29 3 5 1 RCI 1 0 6 0 FSN4 4 way cassette Refrigerant pipe installation The correct position for the refrigerant pipe connection is shown below The pipe connection must be accessible from all directions above left or right mm 84 90 76 95 160 157 140 ø30 Liquid pipe Gas pipe Gas pipe Liquid pipe...
Page 121: ... transparent Drain hose accessory Max 300mm The drain piping must be performed with a down slope pitch of 1 25 to 1 100 b c Ceiling Hose band accessory a Max 300mm Drain hose accessory Support part 1 to 1 5m 1 25 to 1 100 down slope Max 850mm Do not apply excessive force to the Drain Pipe connection It could cause a damage Do not use a bent or twisted Drain Hose It will cause water leakage Insulat...
Page 122: ...ust have a gradient of 1 1 100 to 4 1 25 Consider the following sizes a b c 1100 mm b F Ceiling Drain hose accessory Support part 1 to 1 5m Max 50mm shorter as possible 1 25 to 1 100 Down slope a Max 300mm Hose band accessory Max 850mm For a correct assembly of the drain hose accessory follow the instruction shown in the picture below CAUTION Do not apply adhesive between the drain hose connection...
Page 123: ...ain piping 1 25 1 100 Down slope Gradient of drain piping 1 25 1 100 down slope Drainage pipe connection Clamp accessory Do not use adhesive PVC pipe 32 field supplied Use PVC adhesive Drainage pipe accessory CAUTION Do not apply adhesive between the drain hose connection and the drain hose Do not apply too much force when making the drain hose connection as this could damage it Do not use bent or...
Page 124: ...2 Unit installation Models 1 Gas pipe mm inches 2 Liquid pipe mm inches RPC 3 0 6 0 FSN3E Ø15 88 5 8 Ø9 52 3 8 Drain piping Liquid piping Gas piping Drain piping Liquid piping Gas piping Drain piping Drain piping The piping must be installed from the bottom of the unit 1 Remove the air inlet grille and slide the buttons on the grille backwards 1 Slide 2 Knob 1 2 2 Open the air inlet grille Air inl...
Page 125: ... pipe Liquid pipe Gas pipe Open the die cut panel 5 Install the pipes through it and seal them using the insulation supplied as indicated below a Upper side b Rear side A Sealing plate M4 screws B Refrigerant pipe Sealing plate Seal with insulation Section A B P 1 2 3 4 5 6 7 8 9 P 1 2 3 4 5 6 9 125 145 54 83 38 95 1 Sealing plate supplied 0 8x118x142 mm 2 Gas refrigerant pipe 3 Liquid refrigerant...
Page 126: ...f left side drain Drain pipe connecting hole VP20 In case of right side drain Refrigerant liquid pipe connection Refrigerant gas pipe connection 40 Drain pipe 138 Drain pipe 107 Gas pipe 117 Liquid pipe 190 Liquid pipe 205 Gas pipe Models 1 Gas pipe mm inches 2 Liquid pipe mm inches RPC 1 5 FSN3 Ø12 7 1 2 Ø6 35 1 4 RPC 2 0FSN3 Ø15 88 5 8 Ø6 35 1 4 RPC 2 5 6 0 FSN3 Ø15 88 5 8 Ø9 52 3 8 The piping m...
Page 127: ... pipe Liquid pipe Gas pipe Open the die cut panel 5 Install the pipes through it and seal them using the insulation supplied as indicated below a Upper side b Rear side A Sealing plate M4 screws B Refrigerant pipe Sealing plate Seal with insulation Section A B P 1 2 3 4 5 6 7 8 9 P 1 2 3 4 5 6 9 125 145 54 83 38 95 1 Sealing plate supplied 0 8x118x142 mm 2 Gas refrigerant pipe 3 Liquid refrigerant...
Page 128: ... drain hose around the wire clamp to avoid condensation 5 Insert the drain pipe into the drain hose and secure it using the wire clamp B Clamp B Drain pipe Clamp A Insulation Drain pipe Drainage Drainage Insulation Drain hose Drain pipe Clamp A Clamp B Connection on the left hand side Fan Fan motor Drainage Drainage plug Drainage plug Wire clamp Insulating plug 1 Remove the plug from the drain hos...
Page 129: ... Secure the drain pipe to the connection part using the clamp supplied Drain pipe Drain pipe Insulating material field supplied Drainage gradient PVC pipe outer diameter 26 mm Clamp Clamp PVC pipe outer diameter 26mm Drainage gradient Insulating material field supplied CAUTION Do not apply too much force when making the drain hose connection as this could damage it Do not use bent or twisted drain...
Page 130: ...rigerant pipe installation The correct position for the gas refrigerant pipe connection is shown below 1 2 3 1 Gas piping connection 2 Liquid piping connection 3 Drain piping Models Gas pipe mm inches Liquid pipe mm inches RPI Ø12 7 1 2 Ø6 35 1 4 NOTE When installing the pipes leave enough space for maintenance work in the electrical box of the unit ...
Page 131: ...e drain pipe after connecting the drain hose Insulation Field Supplied Side Unit 1 25 1 100 Down Slope Polyvinyl Chloride Tube Field Supplied Clamp Factory Supplied Drain Piping Factory Supplied NOTE If the relative humidity of the inlet air or the ambient air exceeds 80 in the place where the unit is installed fit an auxiliary drain pan field supplied below the indoor unit as indicated in the fig...
Page 132: ...es Liquid pipe mm inches RPI 2 0FSN4E Ø15 88 5 8 Ø6 35 1 4 RPI 2 5 3 0 FSN4E Ø9 52 3 8 RPI 4 0 6 0 FSN4E NOTE When installing the pipes leave enough space for maintenance work in the electrical box of the unit Drain pipe installation The correct position for the drain hose connection is shown below RPI 2 0 6 0 RPI 8 0 10 0 Drain pipe Drain pipe Drain pipe Drain pipe Drain pipe NOTE If there is exc...
Page 133: ...oride Tube Field Supplied Clamp Factory Supplied Drain Piping Factory Supplied Connect a trap to the drain hose at the angle indicated as indicated in the figure for RPI 8 0 10 0 FSN3E 75 mm Cap 4 1 25 1 1 100 NOTE If the relative humidity of the inlet air or the ambient air exceeds 80 in the place where the unit is installed fit an auxiliary drain pan field supplied below the indoor unit as indic...
Page 134: ...he field supplied pipe to the drain hose with adhesive The drain piping should be performed with a down slope pitch of 1 25 to 1 100 Connect a syphon as shown at the figure below 75 mm Slope 2 Plug NOTE Keep Electrical Box and Drain Pipe connection free of refrigerant pipes If the relative humidity of the inlet air or the ambient air exceeds 80 in the place where the unit is installed fit an auxil...
Page 135: ...piping between outdoor and indoor unit Indoor Unit Multikit reference RPI 16 0FSN3PE f E162SN3 RPI 20 0FSN3PE f E242SN3 Picture for illustrative purpose only Drain pipe installation For condense draining prepare a polyvinyl chloride pipe with a Ø25mm outer diameter Fasten the field supplied pipe to the drain hose with adhesive The drain piping should be performed with a down slope pitch of 1 25 to...
Page 136: ...e damage The insulation for the drain pipe must be selected to insure vapour sealing and prevent condensation forming Drain trap should be installed next to indoor unit This trap must be designed to good practice and be checked with water charged and tested for correct flow Do not tie or clamp the drain pipe and refrigerant pipe together NOTE Y distance must be higher than X Install drainage in ac...
Page 137: ...g the pipes leave enough space for maintenance work in the electrical box of the unit Drain pipe installation Drain hose installation 1 Insert the drain hose in the clamp A 2 Push the drain hose towards the boss until it reaches the end of the pan 3 Tighten the screw on the wire clamp to secure the pipe around the drain connection without causing water leaks 4 Insulate the drain hose around the wi...
Page 138: ...n auxiliary drain pan field supplied below the indoor unit as indicated in the figure Indoor unit Auxiliary drain pan field supplied Indoor unit Auxiliary drain pan field supplied Drainage installation for DU units Optional drainage kit for units without drain pump For special cases those installation design finally requires draining up and was not desgined from the beginning of the installation p...
Page 139: ...n is possible in all directions above left or right Model Measurements mm a b c g RPK 0 6 1 0 FSN H 3M 395 107 288 243 RPK 1 5FSN H 3M 395 107 288 262 RPK 2 0 4 0 FSN3M 480 141 339 471 5 0 R b a g c Insulation Left rear side hole for pipe and wire Refrigerant gas pipe For rear side piping Exterior contour for indoor unit For right side piping Liquid pipe connection Model Measurements mm d e f h RP...
Page 140: ...e wall a When the left side piping is selected the drain pipe outlet should be changed from right side to left side If it is not changed to left side and the suspension bracket is fixed onto the fall with right down slope the drain water flows back so that may cause water leakage from the drain pan b For the pipe installation embedded in the wall the positions of piping are as follows NOTE For RPK...
Page 141: ...eft side or from the rear if there are construction elements of the building around it Unit mm Model A B C ØD RPK 0 6 1 5 FSN H 3M 568 107 45 65 RPK 2 0 4 0 FSN3M 550 141 42 80 A B C φ D VP16 Exterior contour for indoor unit Hole for rear side piping Drain pipe connection When the left side drain piping connection is performed remove the cap of left side drain pipe and then attach this cap to the ...
Page 142: ...rain piping is connected with other indoor units the connected position of each indoor unit must be higher than the common piping The size of common drain pipe must be large enough according to the unit size and number of units 3 5 12 RPF I 1 0 2 5 FSN2E Floor type Refrigerant pipe installation The correct position for the refrigerant pipe connection is shown below Drain pipe Liquid pipe Gas pipe ...
Page 143: ...the air below 0 44 kg m3 in the event of a leak 3 7 2 Calculation of the concentration of refrigerant 1 Calculate the total quantity of refrigerant R kg charged in the system to do so connect all the indoor units of the rooms in which you wish to have air conditioning 2 Calculate the volume V m3 of each room 3 Calculate the refrigerant concentration C kg m3 of the room in accordance with the follo...
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Page 145: ...K units 147 4 1 11 Electrical connection of KPI units 152 4 1 12 Econofresh electrical wiring connection 153 4 1 13 DX Interface electrical wiring 154 4 1 14 Network system connection CS NET WEB 157 4 1 15 Connection between units H LINK and H LINK II 157 4 2 Setting of DIP switches and RSW switches 158 4 2 1 Location of DIP switches and RSW switches 159 4 2 2 Functions of the DIP switches and RSW...
Page 146: ... flexible cord code designation 60245 IEC 57 Indoor units Model Power supply Maximum current A Power supply cable size EN60 335 1 Transmitting cable size EN60 335 1 Indoor units 0 6 6 0 HP 1 230V 50Hz or 1 220 240V 50Hz depending on model 5 0 2 x 0 75 mm2 GND 2x 0 75 mm2 RPI 8 0 10 0 FSN3E f 10 0 2 x 1 5 mm2 GND RPI 16 0FSN3PE f 16 2 2 x 4 0 mm2 GND RPI 20 0FSN3PE f 17 7 KPI units Model Power supp...
Page 147: ...Leakage Breaker ELB mentioned on this manual is also commonly known as Residual Current Device RCD or Residual Current Circuit Breaker RCCB The Circuit Breakers CB are also known as Thermal Magnetic Circuit Breakers or just Magnetic Circuit Breakers MCB Indoor units Model Power supply Maximum current A CB A ELB nº poles A mA Indoor units 0 6 6 0 HP 1 230V 50Hz or 1 220 240V 50Hz depending on model...
Page 148: ...re at a standstill before starting work NOTE The electrical power for the unit must involve a specific power line with an exclusive power control switch and residual current breaker installed in line with local or national safety regulations Check that the electrical power line has enough capacity to supply the unit Its length the cable diameter and their protection sleeve or jacket must be approp...
Page 149: ...rews on terminals L1 and N or L1 and L2 as applicable on the terminal strip TB1 2 Connect the power cables to terminals L1 and N or L1 and L2 as applicable 3 Tighten the screws on terminals L1 and N or L1 and L2 as applicable 4 Check that the cables are correctly secured Follow the steps below to connect the communication cables between the outdoor and indoor unit to the terminal strip TB1 1 Where...
Page 150: ...still during forced stoppage 4 1 5 Electrical connection of RCIM units Before proceeding to any electrical connection 1 Turn off the power supply switches before starting work and fit the appropriate locks and safety warnings 2 Wait 5 minutes after turning off the power supply switches 3 Check that the fans on the indoor and outdoor units are at a standstill before starting work NOTE The electrica...
Page 151: ...tional extension wire 1 Pass the cable through the knock out hole in the cabinet 2 Connect the cable to terminals A and B of the terminal strip TB2 3 Tighten the screw on terminals A and B 4 Check that the cables are correctly secured Follow the steps below to connect the power cables to the terminal strip TB1 CAUTION To connect a power supply with neutral connect the cables to terminals L1 and N ...
Page 152: ...al power for the unit must involve a specific power line with an exclusive power control switch and residual current breaker installed in line with local or national safety regulations Check that the electrical power line has enough capacity to supply the unit Its length the cable diameter and their protection sleeve or jacket must be appropriate for the unit For further information always conside...
Page 153: ... Fan motor connector 3 Terminal strip TB2 4 Terminal strip TB1 5 Wiring 6 Power wiring Follow the steps below to connect the earth wire to the earth connection in the electrical box 1 Where necessary loosen the screw on the earthing connection in the electrical box 2 Connect the shielded part of the power supply earth wire and the signal wiring earth wire to the earth connection 3 Tighten the scre...
Page 154: ...trical components inside the unit to avoid damaging them Loose connection terminals may lead to cable and terminal overheating The unit may operate incorrectly leading to a risk of fire Check that the cables are firmly secured to the connection terminals Electrical connection Check that the power supply for the RPC indoor unit is 230 V If not replace connectors CN on the TF transformers in the ele...
Page 155: ...sive when the outdoor unit ducts are not used The compressor remains at a standstill during forced stoppage 4 1 8 Electrical connection of RPI units Work prior to the electrical connection 1 Turn off the power supply switches before starting work and fit the appropriate locks and safety warnings 2 Wait 5 minutes after turning off the power supply switches 3 Check that the fans on the indoor and ou...
Page 156: ... to connect the power cables to the terminal strip TB 1 Where necessary loosen the screws on terminals L1 and N on the terminal strip TB 2 Connect the power cables to terminals L1 and N 3 Tighten the screws on terminals L1 and N 4 Check that the cables are correctly secured Remote control PC ARFPE Power supply wires single phase Transmission wires Earth screw From 0 6 to 6 0 hp Follow the steps be...
Page 157: ...2 Printed circuit board 2 PCB2 3 Terminal board TB Wiring connection 2 1 3 RPI 2 0 6 0 FSN4E Terminal board connections Nº Part 1 Printed circuit board 1 PCB1 2 Printed circuit board 2 PCB2 3 Terminal board TB Wiring connection Service panel for electrical box 2 1 3 RPI 8 0 10 0 FSN3E f Terminal board connections Nº Part PCB1 Printed circuit board PCB2 Printed circuit board TF Transformer TB Termi...
Page 158: ...he Static Pressure setting connector CN24 LSP Low Static Pressure or CN25 HSP High Static Pressure the fan speed available in the Remote Control Switch are the ones show as example in the following pictures Example for RPI 8 0 10 0 FSN3E f Static pressure setting HSP Static pressure setting LSP External static pressure Pa Lower ESP limit Low High Med Upper ESP limit External static pressure Pa Low...
Page 159: ...ding to a risk of fire Check that the cables are firmly secured to the connection terminals Electrical connection Check that the power supply for the RPIM indoor unit is 230 V If not replace connectors CN on the TF transformers in the electrical box NOTE The service access panel for the indoor unit fan motor is at the bottom of the unit Remove the service access panel Cut the centre of the rubber ...
Page 160: ...re to the earth connection 3 Tighten the screw on the earthing connection in the electrical box 4 Check that the shielded part of the earthing cables are correctly secured Firmly secure the cables using a tie inside the electrical box Cover the cables and the hole using a sealant to protect them from condensation and insects 2 1 3 Electrical box Bottom side view Electrical box Electrical box Elect...
Page 161: ...AUTION Make sure that the field selected electrical components main power switches circuit breakers wires conduit connectors and wire terminals have been properly selected according to the electrical data given in Technical Catalogue Make sure that the components comply with National Electrical Code NEC Use the shielded twist pair cable for the control cable between the outdoor unit and the indoor...
Page 162: ...of ELB heat generation at terminal connection a fire or an electric shock CAUTION Do not connect the main power source cables to the control line Terminals A B 1 and 2 of TB2 If connected the printed circuit board PCB will be broken Pay attention to followings when wires are connected to terminal board A Attach an insulation tape or a sleeve to each terminal B Maintain the distance between the ele...
Page 163: ...ctions Nº Part 1 Terminal board for power source 2 Terminal board for remote control switch cable 3 Screw for earth wiring connection 4 Wire for receiver kit 5 Electrical box cover 6 Switch cover 1 2 3 4 5 6 Test runs CAUTION Be careful during the test runs as some of the safety functions remain disabled the units operate for two hours without switching off via the thermostat The three minute comp...
Page 164: ... installed CAUTION Risk of fire cables must never touch the refrigerant pipes printed circuit boards PCB sharp edges or electrical components inside the unit to avoid damaging them Loose connection terminals may lead to cable and terminal overheating The unit may operate incorrectly leading to a risk of fire Check that the cables are firmly secured to the connection terminals Electrical connection...
Page 165: ...s Earth screw Follow the steps below to connect the communication cables between the outdoor and indoor unit to the terminals in the electrical box 1 Where necessary loosen the screws on the communication terminals in the electrical box 2 Connect the communication cables to communication terminals 1 and 2 in the electrical box 3 Tighten the screws on the communication terminals in the electrical b...
Page 166: ...he rubber bushing in the wiring connection knock out hole Follow the steps below to connect the remote control cable or the optional extension wire 1 Pass the cable through the knock out hole in the cabinet 2 Connect the cable to the terminals on the printed circuit board PCB located inside the electrical box 3 Tighten the screw on terminals A and B in the electrical box 4 Check that the cables ar...
Page 167: ... stopped before electrical wiring work or a periodical check is performed Protect the wires electrical parts etc from rats or other small animals If not protected rats may gnaw at unprotected parts and at the worst a fire will occur CAUTION Wrap the accessory packing around the wires and plug the wiring connection hole with the seal material to protect the products from any condensate water or ins...
Page 168: ...it tube for field wiring is not used fix rubber bushes to the panel with adhesive All the field wiring and equipment must comply with local and international codes When a cable gland is not used it must be sealed properly in order to ensure the correct control box sealing CAUTION Pay attention to the connection of the operating line Incorrect connection may cause PCB failure NOTE Packing gland dia...
Page 169: ...Tach input signal Hz Wire section 3x0 5mm2 1 7 P P PWM output signal 0 100 8 G G GND 9 T EC2 PWM Output control for EC FAN 2 optional T Tach input signal Hz Wire section 3x0 5mm2 1 10 P P PWM output signal 0 100 11 G G GND 12 V DUTY A Duty control by current 4 20mA optional V Output power to device 24Vdc Wire section 3x0 5mm2 NOTE Maximum power by 24Vdc output 3 W 13 D D Current input 4 20mA 14 N ...
Page 170: ...I remote controller optional N Neutral phase connection common Maximum current allowed 3 5A Wire section 4x0 75mm2 1 14 H H High fan speed signal 15 M M Medium fan speed signal 16 L L Low fan speed signal 17 Not used 18 19 1 M AL Motor alarm signal Alarm input signal can be used for alarm link between the DX Kit interface and the unit connected If the jumper between terminal 1 19 and 2 20 is open ...
Page 171: ...ddress Indoor unit address Indoor unit address Indoor unit address Indoor unit Outdoor unit Either the current remote control switch H LINK or the new one H LINK II can be used Only the new remote control switch H LINK II can be used For mixed H LINK and H LINK II systems set the H LINK units in the first 16 positions of the system as shown in the following figure There are 26 systems with FSN 2 3...
Page 172: ...ting for the last digit Number of refrigerant cycle setting for the tenth digit Address of the indoor unit setting for the tenth digit Address of the indoor unit setting for the tenth digit 1 Turn off the power supply before setting the DIP switches Otherwise the switch settings are invalid 2 To set the position of the RSW rotary switches insert a screwdriver into the groove of the RSW NOTE The DI...
Page 173: ... 12 2016 159 4 4 2 1 Location of DIP switches and RSW switches Location of DIP switches and RSW rotary switches RCI 1 0 6 0 FSN4 units RCIM 0 6 2 0 FSN4 E units RCD 1 0 3 0 FSN2 units RPC 2 0 6 0 FSN3E units RPF I 1 0 2 5 FSN2E units RPC 1 5 6 0 FSN3 units RPI M 0 6 6 0 FSN4E DU units CN17 ...
Page 174: ...s Setting of DIP switches and RSW switches SMGB0099 rev 0 12 2016 160 RPI 8 0 10 0 FSN3E f units RPI 16 0 20 0 FSN3PE f units x2 RPK 0 6 1 5 FSN H 3M units RPK 2 0 4 0 FSN3M units KPI 252 2002 E4E and KPI 502 1002 X4E units PCB1 PCB2 ...
Page 175: ...ALHZF set the SW2 to Wired DSW2 optional function setting RPK FSN H 3M only Factory setting Special lower capacity setting 0 6HP 1 Distinguish of indoor units using wireless remote control 2 1 2 3 4 ON 1 2 3 4 ON 1 2 3 4 ON NOTE 1 Only available for RPK 0 8FSN3M unit 0 8 HP Indoor Units set to a lower capacity 0 6 HP can only be used in combination with SET FREE MINI series 2 RAS 4 6 FS V N Y 3E a...
Page 176: ... 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON Power HP 5 0 6 0 8 0 10 0 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON 1 2 3 4 ON 1 2 3 4 ON Power HP 16 0 20 0 PCB1 Upper Ebox 1 2 3 4 ON 1 2 3 4 ON PCB2 Lower Ebox 1 2 3 4 ON 1 2 3 4 ON NOTE Capacity available with DSW3 setting In those model with switch number 5 and 6 both switches are not used except 0 6 HP models DSW4 unit model code setting No se...
Page 177: ...he same refrigerant cycle NOTE If auto address function is available the setting of DSW6 and RSW1 is not required All indoor units except RPI 16 0 20 0 FSN3PE f Factory setting Example of system setting with a value of 16 DSW6 RSW1 DSW6 RSW1 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON NOTE It is recommended to assign a number from starting 1 RPI 16 0 20 0 FSN3PE f only No setting is required DSW6 RSW1 PCB1 Uppe...
Page 178: ...g 1 Not used 1 2 ON NOTE 1 Only available for RCIM 0 8FSN4 E and RPI M 0 8FSN4E units 0 8 HP Indoor Units set to a lower capacity 0 6 HP can only be used in combination with SET FREE MINI series 3 RAS 4 6 FS V N Y 3E 4 2 3 Functions of the DIP switches and RSW switches KPI units PCB1 settings DSW1 and DSW2 No settings are required DSW1 DSW2 All units All units 1 2 3 4 5 6 ON 7 8 1 2 ON DSW3 capaci...
Page 179: ... Factory setting Example of system setting with a value of 5 DSW5 RSW2 DSW5 RSW2 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON DSW6 and RSW1 Unit number setting It is required to change factory default setting with any value from 0 up to 63 The number allocated to each KPI unit must be set as standard Follow the instructions given in the Service Manual Factory setting Example of system setting with a value of 16 ...
Page 180: ...e DIP switches and RSW switches Econofresh kit Dip Switch setting shall be performed at RPI PCB s CAUTION Turn OFF all power sources before setting the dip switches Without turning OFF the contents of setting would be invalid RPI Dip Switch Factory Setting RPI Econofresh Kit installation Dip Switch Setting RPI 4 5 6 FSN4E DSW4 1 2 3 4 ON 1 2 3 4 ON Mark of indicates the position of dip switches 4 ...
Page 181: ...f system setting with a value of 5 DSW5 RSW2 DSW5 RSW2 1 2 3 4 5 6 ON 1 2 3 4 5 6 ON DSW6 and RSW1 Unit number setting It is required to change factory default setting with any value from 0 up to 63 The number allocated to each KPI unit must be set as standard Follow the instructions given in the Service Manual Factory setting Example of system setting with a value of 16 DSW6 RSW1 DSW6 RSW1 1 2 3 ...
Page 182: ...troller pin 7 OFF individual controller 4 1 2 3 4 5 6 7 8 Pin 8 Not used 1 2 3 4 5 6 7 8 NOTE 1 If external duty control is selected pins 1 2 check the proper selection for the duty signal pins 3 4 2 If external duty control is selected pins 1 2 3 4 then turn pin 5 OFF for absolute reference or ON for incremental reference 3 The thermo ON OFF control can be driven externally by an input signal con...
Page 183: ...PC ARFPE Printed circuit board Electrical control box of Indoor unit Service connector for drain discharge mechanism Operation line DC5V Field connection PCB for motion sensor Air Panel Factory wiring Earth wiring Field wiring Field connection Optional parts Mark Name CA Capacitor TB1 2 Terminal board PCB1 Printed circuit board PCN4 7 Connector on PCB CN1 36 Connector on PCB RSW1 2 Rotary switch D...
Page 184: ...Mark Name CN3 Optional connector for signal input CN7 8 Optional connector for signal output CN10 Optional connector for motion sensor DSW3 4 7 9 Dip Switch for setting EFR1 Fuse MIF Motor for indoor fan MS Motor for automatic swing louver MV Micro computer control expansion valve PCB1 Printed circuit board RSW1 Rotary switch for unit Nº setting Units digit DSW6 Dip switch for unit Nº setting Tens...
Page 185: ...ism PCB1 Printed circuit board RSW1 Rotary switch for unit Nº setting Units digit DSW6 Dip switch for unit Nº setting Tens digit RSW2 Rotary switch for refrigerant cycle Nº setting Units digit DSW5 Dip switch for refrigerant cycle Nº setting tens digit TB1 2 Terminal block THM1 3 5 Thermistor THM4 Optional connector for remote temperature sensor CN4 6 HA PCN4 Reserved connector on PCB Factory wiri...
Page 186: ...tection Remote Gas piping Mark Name CN3 Optional connector for signal input CN7 8 Optional connector for signal output CN10 Optional connector for motion sensor DSW3 4 7 9 Dip Switch for setting EFR1 Fuse MIF Motor for indoor fan MS Motor for automatic swing louver MV Micro computer control expansion valve MD Motor for Drain discharge mechanism PCB1 Printed circuit board RSW1 Rotary switch for uni...
Page 187: ...tic swing louver MV Expansion valce LED 1 3 Alarm code PCB Printed circuit board RCS Remote control switch RSW 1 Indoor unit nº settings Mark Name RSW 2 Refrigerant cycle nº SA Surge absorber TB1 Terminal Block TB2 Terminal block CE3 4 Connector TF Transformer THM 1 Inlet air thermistor THM 2 Outlet air thermistor THM 3 Liquid pipe thermistor THM 5 Gas pipe thermistor Y H2 Relay for drain motor Y ...
Page 188: ... line DC5V Field connection N O T E All the field wiring and equipment must comply with local regulations Electrical control box Printed circuit board Air inlet Air outlet Freeze protection Gas piping Mark Name CA Capacitor TB1 2 Terminal board PCB1 Printed circuit board PCN4 7 Connector on PCB CN1 36 Connector on PCB RSW1 2 Rotary switch DSW3 9 SW1 Dip switch for settings MV Micro computer contro...
Page 189: ... come from evaporator unit Electrical box Drain pump assy Only for DU models Only for DU models Drain pump kit RPIM only Mark Name CA Capacitor CN23 25 Aerial connector DSW3 9 Dip switch for settings RSW1 2 Rotary switch EF2 Fuse EFR1 Fuse FS Float switch MD Drain pump MIF Motor for Indoor fan MV Micro computer control expansion valve LED1 3 4 6 Alarm code PCB1 2 Printed circuit board RCS Remote c...
Page 190: ...anism MIF Motor for Indoor fan MV Expansion valve LED1 3 Alarm code PCB1 Main printed circuit board PCB2 Relay printed circuit board Mark Name RCS Remote control switch RSW1 Indoor unit nº settings RSW2 Refrigerant cycle nº TB Terminal board TF Transformer THM1 Inlet air thermistor THM2 Outlet air thermistor THM3 Liquid pipe thermistor THM5 Gas pipe thermistor X2 High speed terminal X3 Medium spee...
Page 191: ...Alarm code PCB1 12 Main printed circuit board PCB2 22 Relay printed circuit board Mark Name RCS Remote control switch RSW1 Indoor unit nº settings RSW2 Refrigerant cycle nº TB Terminal board TF Transformer THM1 Inlet air thermistor THM2 Outlet air thermistor THM3 Liquid pipe thermistor THM5 Gas pipe thermistor X2 High speed terminal X3 Medium speed terminal X4 Low speed terminal X5 S Low speed ter...
Page 192: ...or on PCB PCN500 550 Connector on PCB RSW1 2 Rotary switch DSW2 9 SW1 Dip switch for settings MV Micro computer control expansion valve Mark Name MIF Motor for Indoor fan MS Motor for automatic swing louver THM1 5 Thermistors EF R1 S1 Fuse PSW802 Emergency operation switch SW1 2 Wired RCS Wireless RCS RSW1 2 Rotary switch Air inlet Air outlet Freeze protection Gas piping Wired remote control switc...
Page 193: ...tion line DC 5V Wired remote control switch Mark Name CA Capacitor TB1 2 Terminal board PCB1 3 Printed circuit board PCN4 7 Connector on PCB CN3 19 Connector on PCB CN33 Expansion valve PCN500 550 Connector on PCB RSW1 2 Rotary switch DSW2 9 SW1 Dip switch for settings Mark Name MV Micro computer control expansion valve MIF Motor for Indoor fan MS Motor for automatic swing louver THM1 5 Thermistor...
Page 194: ...less remote control switch Operation line DC 5V Wireless receiver indication part Mark Name MIF Motor for Indoor fan MS Motor for automatic swing louver MV Micro computer control expansion valve THM1 5 Thermistors EF R1 S1 Fuse TB1 2 Terminal board PCB1 4 Printed circuit board Mark Name CN3 19 Connector on PCB PCN500 550 Connector on PCB DSW2 9 SW1 Dip switch for settings PSW1 Emergency operation ...
Page 195: ...t code DSW 7 Fuse recover Remote control selector EFR 1 Fuse EFS 1 Fuse EHW H2 Electric heater ITI Internal thermostat for Indoor unit fan MIF Motor for Indoor fan MV Expansion valve LED 1 3 Alarm code PCB Printed circuit board RCS Remote control switch RSW 1 Indoor unit nº settings RSW 2 Refrigerant cycle nº SSW Slide switch TB Terminal Block TF Transformer THM 1 Inlet air thermistor THM 2 Outlet...
Page 196: ... 1 Fuse PCNn Power connector CNn Connector SEGx Display MIF Motor for Indoor fan LED 1 3 Alarm code PCB Printed circuit board RCS Remote control switch TB Terminal Board TF Transformer THM Thermistor DMP Damper PSWx Push button NF1 Noise filter MV Expansion valve OA Outdoor air RA Return air Field wiring Earth wiring Factory wiring Main switch Main PCB Air Outlet Air inlet Liquid Gas Blue Red For ...
Page 197: ...ets location Mark Name CNn Connector PCNn Power connector DSW 1 n Dip switch for settings EFR 1 Fuse LED 1 3 Alarm code PCB 1 2 Printed circuit board RCS Remote control switch RSW 1 2 Rotary switch for settings TB Terminal Board TF Transformer THM Thermistor Y H2 Relay for drain motor Y H1 Relay for HI fan motor tap Y ME Relay for ME fan motor tap Y LO Relay for LO fan motor tap Y SLO Relay for SL...
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Page 199: ...N3E RPF I units 189 5 5 Printed circuit board for RPC FSN3 190 5 6 Printed circuit board for RPI M 0 6 6 0 FSN4E 191 5 7 Printed circuit board for RPI 8 0 20 0 FSN3 P E f units 192 5 8 Printed circuit board for RPK FSN H 3M units 193 5 8 1 For RPK 0 6 1 5 FSN H 3M 193 5 8 2 For RPK 2 0 4 0 FSN3M 194 5 9 Printed circuit board for complementary systems 195 5 9 1 Printed circuit board for KPI 195 5 9...
Page 200: ... 2 1 ON 1 2 3 4 5 6 RSW1 DSW3 LED6 CN28 CN5 THU1 THM5 THM4 CN33 LED4 CN2 L3 EF2 THM3 THM2 THM1 CN7 CN36 CN8 REG2 L1 SW1 PCN1 TR1 LED5 DM1 T1 PCN6 PCN7 EFS1 EFR1 L5 ON 1 2 CN17 DSW7 PCN4 CN1 REG3 LED indicator LED1 Red This LED indicates the transmission status between the indoor unit and the remote control LED3 Yellow This LED indicates the transmission status between the indoor unit and the outdo...
Page 201: ...ply Connector indication CN3 Optional connector For signal input CN7 8 Optional connector For signal output CN10 Optional connector For motion sensor DSW3 4 7 9 Dip switch for setting EFR1 2 Fuses EF2 Fuse MIF Motor for indoor fan MS Motor for automatic swing louver MV Micro computer control expansion valve PCB1 Printed circuit board RSW1 Rotary switch for unit number setting Ones digit DSW6 Dip s...
Page 202: ...control LED3 Yellow This LED indicates the transmission status between the indoor unit and the outdoor unit LED4 Red PCB power supply Connector indication PCN1 220 V transformer PCN7 Power supply 1 R 3 S THM1 Air inlet thermistor THM2 Air outlet thermistor THM3 Freeze protection thermistor THM4 Remote thermistor THM5 Gas pipe thermistor CN1 Connector for Indoor motor fan CN2 Connector to PCB1 CN3 ...
Page 203: ...N7 Power supply 1 R 2 S 3 N 4 E PCN8 Capacitor PCN10 Fan motor power supply PCN11 Fan motor speed control THM1 Air inlet thermistor THM2 Air outlet thermistor THM3 Liquid pipe thermistor THM4 Remote thermistor THM R2 AE THM5 Gas pipe thermistor EF3 Fuse EF2 Fuse EFS1 Fuse EFR1 Fuse CN1 Transformer pins 1 2 17 3 V pins 3 4 20 8 V CN2 Outdoor unit H LINK control circuit CN3 Optional input functions ...
Page 204: ...wer supply Connector indication THM1 Air inlet thermistor THM2 Air outlet thermistor THM3 Freeze protection thermistor THM5 Gas pipe thermistor PCN7 Terminal board CN1 Motor for indoor fan CN2 Terminal board 2 CN3 Optional input functions CN7 Optional output functions CN8 Optional output functions CN10 Motion Sensor Kit connection CN11 Expansion valve control CN14 Float switch CN17 Swing louver mo...
Page 205: ... Yellow PCB power supply Connector indication PCN6 Drain pump PCN7 Printed circuit board 2 PCN201 Terminal board PCN202 Printed circuit board 1 THM1 Air inlet thermistor THM2 Air outlet thermistor THM3 Liquid pipe thermistor THM5 Gas pipe thermistor CN1 Printed circuit board 2 CN2 Terminal board CN3 Not used CN11 Expansion valve CN14 Float switch CN17 Econofresh kit connection CN19 Printed circuit...
Page 206: ...rmer PCN2 Indoor fan motor internal thermostat PCN3 Fan stoppage alarm signal PCN6 Drain pump motor RPI PCN7 Power supply 1 R 2 S 3 N 4 E THM1 Air inlet thermistor THM2 Air outlet thermistor THM3 Liquid pipe thermistor THM4 Remote thermistor THM R2 AE THM5 Gas pipe thermistor EFR1 Fuse EF4 Fuse CN1 Transformer pins 1 2 17 3 V pins 3 4 20 8 V CN2 Outdoor unit H LINK control circuit CN3 Optional inp...
Page 207: ...4 Green PCB power supply Connector indication PCN500 Terminal board 1 PCN550 Motor for indoor fan THM1 Air inlet thermistor THM2 Air outlet thermistor THM3 Freeze protection thermistor THM5 Gas piping thermistor CN2 Terminal board 2 CN3 Not used CN5A Printed circuit board 3 CN11 Micro computer control expansion valve CN17A Motor for automatic swing louver CN18 Printed circuit board 2 CN19A Printed...
Page 208: ... unit LED4 Green PCB power supply Connector indication PCN500 TB1 PCN550 Motor for indoor fan THM1 Air inlet thermistor THM2 Air outlet thermistor THM3 Freeze protection thermistor THM5 Gas piping thermistor CN2 TB2 CN5B PCB3 CN10 PCB4 CN11 Micro computer control expansion valve CN17A Motor for automatic swing louver CN17B Motor for automatic swing louver CN18 PCB2 CN19A PCB2 CN19B PCB2 Switch ind...
Page 209: ...B1 Connector indication PCN1 230V transformer PCN3 Operation signal for electric heater installation PCN7 TB1 and PCB2 PCN10 Damper THM1 Air outlet thermistor THM2 Air inlet thermistor THM3 Liquid pipe thermistor THM5 Gas pipe thermistor CN1 Transformer CN2 TB1 and PCB2 CN11 Expansion valve CN14 Float switch EFR1 PCB1 fuse EFS1 PCB1 fuse EF3 PCB1 fuse PCB2 Connector indication PCN1 TB1 and PCB1 TH...
Page 210: ... Yellow H LINK transmission 2 PCB1 Connector indication PCN1 230V transformer PCN2 TB1 PCN6 TB1 PCN7 TB1 and PCB2 PCN10 TB1 PCN11 TB1 THM1 Coil inlet thermistor THM2 Coil outlet thermistor THM3 Liquid pipe thermistor THM5 Gas pipe thermistor CN1 Transformer CN2 TB2 and PCB2 CN11 TB1 CN14 TB2 EFR1 PCB1 fuse EFS1 PCB1 fuse PCB2 Connector indication PCN1 TB1 and PCB1 THM1 Optional air temperature sen...
Page 211: ... on ºC For the control circuit fuse capacity A 5 5 Freeze Protection Cut Out ºC 0 Cut in ºC 14 Thermostat differential ºC 2 Model RCD RPC FSN3E RPC FSN3 RPI M RPI 8 0 10 0 FSN3E f RPI 16 0 20 0 FSN3PE f RPK RPF I For the evaporator fan motor internal thermostat Switch off ºC 130 5 100 100 10 15 110 10 140 10 100 130 5 Switch on ºC 83 15 90 15 95 10 15 90 10 90 15 93 15 For the control circuit fuse...
Page 212: ...hart Defrost Heating Opening of electronic expansion valve pulse Depending on thermistor temperature of compressor 30 sec Cooling operation 1 Superheat temperature setting required a Heat exchanger SH 3 HP SH 0 ºC 4 HP SH 4 ºC b Heat exchanger SH Tg TL Where Tg Indoor gas pipe temperature TL Indoor liquid pipe temperature SH Superheat 2 Simulated PI control for the electronic expansion valve the o...
Page 213: ... input signals 204 6 1 5 Description of optional output signals 208 6 2 Optional functions through Remote control 209 6 2 1 List of optional remote control functions PC ARFPE 209 6 2 2 Description of the optional remote control functions PC ARFPE 217 6 2 3 Optional functions for PC ARH remote controls 225 6 2 4 Settings on wireless remote controls 226 6 3 Complementary systems 227 6 3 1 KPI and DX...
Page 214: ...onnector CN7 has two ports and output connector CN8 has one port which are used to configure three output options of the eight available in the system NOTE The output signal connection is a mere example The system has the following input and output ports Indication Port setting on the indoor unit PCB Remarks Outlet Input i1 CN3 1 2 Contact i2 CN3 2 3 Contact Output o1 CN7 1 2 12 Vdc o2 CN7 1 3 12 ...
Page 215: ...ol Voltage 12 Vdc 0 5 mm2 Cable power Voltage 230 V 2 0 mm2 Recommendations for wiring installation Keep the CN3 connector cables as short as possible Try not to pull on the cable along the power line The cables should be laid separately at a distance of over 30 cm Cable crossing is feasible Where the cable along the power line is pulled insert the cables through a metal pipe earth one end of the ...
Page 216: ...cation Port 00 Not set Not set CN3 01 Control by field supplied room thermostat cooling This signal controls the unit through an external thermostat NOTE It can reduce summer cooling problems in certain applications CN3 02 Control by field supplied room thermostat heating This signal controls the unit through an external thermostat NOTE It can reduce problems caused by indoor air stratification CN...
Page 217: ...E It is extremely useful for centralised applications CN7 or CN8 Only CN7 for RPK units 02 Alarm signal This signal enables devices that protect and indicate any faults in the unit NOTE It is extremely useful for rooms in which air conditioning must remain on at all times CN7 or CN8 Only CN7 for RPK units 03 Cooling signal This signal controls the status of the compressor NOTE It is extremely usef...
Page 218: ... to terminals 1 and 2 of CN3 Operation Cooling operation Compressor is ON by closing terminals 2 and 3 of CN3 Compressor is OFF by opening terminals 2 and 3 of CN3 Heating operation Compressor is ON by closing terminals 1 and 2 of CN3 Compressor is OFF by opening terminals 1 and 2 of CN3 Cooling Signals 2 and 3 of CN3 Compressor Time ON ON OFF OFF Heating Signals 1 and 2 of CN3 Compressor Time ON ...
Page 219: ...r unit system for simultaneous operation input the signal to the main indoor unit Press the RUN STOP switch Control using the RCS CN3 signal Terminal 1 and 3 Time Unit operation ON ON OFF OFF Function 2 remote switching on of the unit pulse signal input On screen display 04 This is an optional remote on off signal that uses the pulse signal Connect the wiring and use the materials as indicated in ...
Page 220: ...sing the RCS CN3 signal Terminal 2 and 3 Time Unit operation ON ON OFF OFF NOTE The collection of signals during the first 10 seconds after connecting the power supply is not available due to component initialization With this optional function contact B can be used through the optional setting of the remote control The time chart is shown below which provides information on when contact B can be ...
Page 221: ...peration Control using the RCS heating OFF HEAT COOL Control by use of a remote temperature sensor On screen display 08 The following functions are available when an optional remote temperature sensor is used The unit is controlled by the average temperature of the air inlet thermistor and the remote temperature sensor When the discharge air temperature exceeds 60 C the fan speed increases from me...
Page 222: ...r the thermostat signal is enabled or disabled Connect the wiring and use the materials as indicated in 6 1 1 Available ports Example terminal 1 and 3 of CN7 Thermostat enabled signal during the cooling process On screen display 04 This optional signal is used to pick up the thermostat enabled signal for the compressor operating during the cooling process thermo ON Connect the wiring and use the m...
Page 223: ...e 2ºC 1 Correction of setting temperature in heating Models RCI FSN4 RPC FSN3 RPK FSN3M O 00 Normal Setting Temperature 4ºC Standard setting Increases the temperature 4ºC 01 Release Setting Temperature Removal 02 Setting Temperature 2ºC It increases the temperature 2ºC 1 b2 Circulator function at heating Thermo OFF O 00 Not activated function This function means that the fan unit remains running a...
Page 224: ...ºC bC Not available 00 Not available Use at 00 conditions 01 bd Not available 00 Not available Use at 00 conditions 01 bE Not available 00 Not available Use at 00 conditions 01 C1 Not available 00 Not available Use at 00 conditions 01 C2 Not available Permanent Not available C3 Not available O 00 Not available Use at 00 conditions 01 C4 Drain pump in heating mode O 00 Not activated function This f...
Page 225: ...rature control using the average value of the air inlet thermistor and the remote control thermistor 00 01 Air temperature control using remote sensor C9 Not available permanent Not available CA Not available permanent Not available Cb Selection of forced stoppage logic X 00 Forced stoppage input A contact This function determines the logic operation for the forced stoppage contacts 01 Forced stop...
Page 226: ...nimum opening O 00 6º This function is used to set the fresh outdoor air damper minimum opening selection 01 12º 02 18º 03 24º 04 30º 05 36º 06 42º 07 48º E1 Econofresh cooling mode O 00 Standard Process This function allows to the outdoor air damper to be opened in All Fresh Operation mode This mode able to fully open the outdoor air damper according to the control system 01 02 All fresh E2 Econo...
Page 227: ... setting Models RCI FSN4 RPC FSN3 RPK FSN3M RPI FSN4E RPIM FSN4E DU RCD FSN3 RCIM FSN4 E X 00 Not activated function This function is used to set the automatic timer to switch off when the unit has been started by remote control Do not set the functions 0C 0F when two remote control switches are used in the same remote control group 01 1 h 02 2 h 03 3 h 04 24 04 24 h 0A 30 min 0B 90 min 0C 40 min ...
Page 228: ...ory setting FA Lock function for fan speed selection X 00 Not activated function This function is used to prevent changes to the fan speed 01 Activated function factory setting Fb Lock function for swing louver operation X 00 Not activated function This function is used to prevent changes to automatic louver operations 01 Activated function factory setting FC Lower limit of setting temperature for...
Page 229: ... available 00 Not activated function Not available for models RPI 8 0 20 0 FSN3 P E f RPC 3 0 6 0 FSN3E RPF I 1 0 2 5 FSN2E 01 Activated function J2 Not available 00 Not activated function Not available for models RPI 8 0 20 0 FSN3 P E f RPC 3 0 6 0 FSN3E RPF I 1 0 2 5 FSN2E 01 Activated function J3 Run indicator color 00 Green 01 Red J4 Not available X 00 Not available Use as 00 conditions 01 02 ...
Page 230: ...peration 01 draft prevention cannot be set below two steps 02 High ceilings cannot be set above two steps 4 In case that the set temperature is changed and kept within the set time at F4 the temperature is automatically changed to F5 and F6 In case that the set temperature is out of range at F5 and F6 it is applied within upper and lower limit for the set temperature 5 Operation is stopped by pres...
Page 231: ...the case of SET FREE units this function is standard even when the setting is not available The compressor stops immediately when the safety device is activated or ON OFF is pressed To cancel this function see C7 Cancellation of the forced compressor operation for at least three minutes When this function is cancelled the mode enabling operations for a minimum of 3 minutes remains available b4 Pre...
Page 232: ...e of RPI units this setting is used to select the static pressure from remote control C6 Increasing fan speed The fan speed increase selection function is only available for RCD units This function is used to increase the fan speed when the thermostat reaches the set temperature in heating with function NOTE The fan speed does not increase when the thermostat is switched off with the function sett...
Page 233: ... the unit settings in the event of a power cut The unit is restarted when the power is re established CAUTION When this function is used without anyone controlling the unit set the system monitoring mode to avoid risks NOTE In the event of an electrical fault the unit starts and stops according to the on off setting of the power supply If the fault occurs during a stoppage enabled through the remo...
Page 234: ...KPI ventilation mode This function is used to set the unit ventilation mode with energy heat recovery This function is useful to set the heat exchanger ventilation mode The setting condition and ventilation mode are shown below Setting condition Setting Contents 00 Effective ventilation mode selection ventilation with total heat exchanger or ventilation bypass to save energy by detecting the diffe...
Page 235: ...ontrolling the fan speed when the room temperature is close to the set temperature EF Automatic fan speed control Corresponding to Hi2 This function is used to increase the maximum fan speed to High2 condition when the max speed remains on high by the EE function F1 Automatic OFF timer setting This function is used to switch off the timer automatically when the unit is started using the remote con...
Page 236: ...t temperature for heating F4 Automatic reset time Operation mode COOL DRY FAN Operation mode HEAT A C COOL HIGH LOUV ADJ Meeting Room MODE SPEED LOUV TEMP OK 25 A C COOL HIGH LOUV ADJ Meeting Room MODE SPEED LOUV TEMP OK 20 A C COOL HIGH LOUV ADJ Meeting Room MODE SPEED LOUV TEMP OK 25 The setting temperature is changed from 25ºC to 20ºC by remote control switch Cooling operation at 20ºC is perfor...
Page 237: ... louver operation This function is used to prevent changes to automatic louver operations FC Cooling lower limit for setting temperature This function is useful to set the temperature range in cooling mode It enables the cooling range to be reduced for configuration using the remote control An example is shown in the following figure Temperature range at cooling standard Min at cooling 1ºC Min at ...
Page 238: ...peration is started stopped by RUN STOP on the remote control switch the set temperature automatically returns to Automatic Reset Temperature for Cooling Heating F5 F6 as shown in the next illustration However the setting temperature is not automatically reset in the case that Automatic COOL HEAT Operation mode or Prohibiting Operation by Remote Control Switch is set by the centralized controller ...
Page 239: ... cooling heating mode 00 Disabled 01 Enabled C5 Increase of indoor fan 00 Disabled 01 High 1 02 High 2 C8 Remote control thermostat 2 00 Disabled 01 Change from indoor inlet thermistor to remote control thermostat 02 Unit control using the average value of the indoor inlet thermistor and the remote control thermostat F2 Main and secondary remote control setting 00 Main 01 Secondary FC Minimum cool...
Page 240: ...on the power supply Some indoor and outdoor units do not accept certain settings or do not include functions corresponding to the enabled settings Check the available settings beforehand 6 2 4 Settings on wireless remote controls PC ALH3 Switch HEAT Switch COOL DIP switch DSW1 factory setting Rear side of receiver kit Cover Remove the screw PC ALHZF Switch HEAT Switch COOL DIP switch DSW1 factory ...
Page 241: ...ult 01 60 minutes C5 Static pressure selection O O 00 Standard 01 High pressure 02 Low pressure C6 Fan speed up when heating thermo OFF O 00 Invalid 01 Valid C7 CO2 sensor enabled O O 00 Disabled Default 01 Enabled C8 Thermistor selection O 00 Inlet 01 Remote controller 02 inlet Remote controller 2 Cb Forced stop logic selection O O O 00 A contact 01 B contact CC High ventilation speed O O O 00 Di...
Page 242: ...i1 input signal refer to outdoor unit technical catalogue for further information about the connection specs 2 When using this option i1 standard functions become deactivated i2 input signal is not affected 6 3 1 1 DX Interface Main optional functions on DX Interface series 2 Optional function Explanation EC Fan or Tap Fan The control of tap fans and EC fans is possible from the DX Interface serie...
Page 243: ...r forced stoppage 7 Setting of the cooling mode or the heating mode Output signal Available from Outdoor unit 1 Operation signal 2 Alarm signal 3 Cooling signal 4 Thermo ON signal 5 Heating signal 6 Defrost signal Thermo On Off control option With DX Interface series 2 it is possible to perform the thermo On thermo Off control by three different ways Standard thermo On thermo Off control Default s...
Page 244: ...l for further information about the setting and connection of the auxiliary inputs to CN3 socket By the duty signal For systems controlled by a duty signal it is possible to force the thermo OFF by the duty signal itself When the duty signal becomes the minimum of its range 0V or 4mA the system will be switched to thermo OFF condition To be switched to thermo ON condition the duty must become high...
Page 245: ... logic Connector Contact number X1 Damper valve CN3 1 2 ON OFF Enabled Compatibilities between optional signals The following table shows the compatibility between the different optional signals PC ARPFE optional functions Room thermostat Remote control thermistor Remote thermistor Wireless remote control Outdoor cooling mode Enthalpy sensor CO2 sensor Room thermostat Remote control thermistor C8 ...
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Page 247: ...oning Index 7 1 Checks prior to the test run 234 7 1 1 Check points 234 7 1 2 Check procedure 234 7 1 3 PC ARFPE remote control 235 7 2 Test procedure using the wireless remote control 237 7 2 1 PC AWR wireless remote control 237 7 3 Test run check list 238 ...
Page 248: ...1 and 2 2 Check that the outdoor unit stop valves are fully open If so start the system 3 Check that the power supply switch has been on for over 12 hours to heat up the compressor oil 7 1 2 Check procedure Check 1 The gas and liquid line stop valves are fully open 2 That there are no refrigerant leaks NOTE Flare nuts may sometimes loosen due to vibrations during transportation 3 Refrigerant pipin...
Page 249: ...on 5 01 03 ENT RTN SEL b Select Test Run and press OK The test run settings will be displayed Test Run Setting 2 units MODE SPEED MED LOUV SEL ADJ T RUN TIME 120MIN COOL RTN RUN NOTE When 00 is indicated the auto address function may be performing Cancel Test Run mode and set it again Test Run Setting 00 unit MODE SPEED MED LOUV SEL ADJ T RUN TIME 120MIN COOL RTN RUN 4 The total number of the indo...
Page 250: ...n stop again or pass over the set test run time When changing the test run time press or to select T RUN TIME Then set the test run time 30 to 600 minutes by pressing or Test Run 2 units MODE SPEED MED COOL LOUV SEL ADJ T RUN TIME 510MIN STOP The RUN indicator on the remote control switch flashes when some abnormalities such as protection devices activated occur during the test run as well as the ...
Page 251: ...itter towards the receiver of the indoor unit and press the On switch When the commands are received by the indoor unit the lamp yellow of the receiver will come on briefly Check the commands are received well and the mode selected 3 is set correctly In the test run mode the red lamp RUN of the receiver is turned ON and the green lamp TIMER flashes 0 5 seconds ON 0 5 seconds OFF 2 And then set off...
Page 252: ...ing Discharge gas temperature Td _____ºC Liquid pipe temperature Te _____ºC 6 Check the pressure Discharge pressure Pd _____kg cm2 G Suction pressure Ps kg cm2 G 7 Check the voltage Rated voltage _____V Service voltage L1 L2 _____V L1 L3 _____V L2 L3 _____V Initial voltage _____V Phase imbalance 1 V Vm 8 Check the compressor inlet operating current Inlet _____kW Suction pressure _____kW 9 Is the r...
Page 253: ...2016 239 8 8 Electrical check of main parts Index 8 1 Thermistor 240 8 2 Electronic expansion valve 240 8 3 Automatic louver mechanism 241 8 3 1 RCI indoor units 241 8 3 2 RCIM indoor units 242 8 3 3 RCD indoor units 243 8 3 4 RPC FSN3E indoor units 244 ...
Page 254: ...e valve ranges between 12Vdc 1 2V 2 Use a multimeter to check the coil resistance per phase This ranges between 100 Ω 10 at an ambient temperature of 20 3 Check the number of pulses per second This ranges between 100Ω 250 pulses per second the width between pulses is greater than 3 mm on activating phase 2 4 Check that the valve flow is reversible 5 When the valve is fully open and in heating proc...
Page 255: ...r stops at the set position Remove the optional air panel Remove the automatic louver cover and motor Check for dust dirt damp and cracks on the parts Check the joints and meshing between the parts 4 Motor 2 Louver Steel plate stopper 1 Motor 0 zero Reset Number Part name 1 Motor 2 Louver 3 Bushing 4 Stop Check that the motor connectors are correctly connected to the power supply Check that the mo...
Page 256: ...ver motors and the louver 1 Remove the air panel a Remove the auto swing motor connector CN17 from PCB b Remove the corner pocket covers 2 Remove the fixing screw for C cover and remove the C cover 3 Remove the fixing screw for AS Motor from the air panel Then remove the louver louver bearing and AS motor 4 Remove the AS motor stopper and bearing from the louver 5 Disconnect the connector for the ...
Page 257: ...t position Remove the optional air panel a Remove the auto louver motor connector CN17 from PCB b Hang the air panel from the indoor unit by hooking the hinges and remove the long screws 4 for P AP90DNA 6 for P AP160DNA for air panel c Then remove the air panel by unhooking the hinges x2 from the indoor unit drain pan Hinge x2 Long screw x2 Inside the Air Outlet Only for P AP160DNA Long screw x4 R...
Page 258: ...or 1 power supply switches off when the louver is at the set position 4 The louver 6 stops at the set position Number Part name 1 Motor 2 Pinion 3 Gear 4 Bushing 5 Cover 6 Louver Remove the optional air panel Remove the automatic louver cover and motor Check for dust dirt damp and cracks on the parts Check the meshing and the joints between the parts 1 Motor shaft and pinion 2 Pinion and gear 3 Ge...
Page 259: ...59 9 2 4 Removal of the optional air panel 260 9 2 5 Removal of the fan runner and the fan motor 261 9 2 6 Removal of the printed circuit board PCB 262 9 2 7 Removal of the drain pan 263 9 2 8 Removal of the drain mechanism 264 9 2 9 Removal of the float switch 264 9 2 10 Removal of the thermistors from the liquid and gas pipes 265 9 2 11 Removal of the electronic expansion valve coil 265 9 2 12 R...
Page 260: ...FSN3 285 9 5 7 Removing Auto Louver Motor 286 9 5 8 Removal of the thermistors from the liquid and gas pipes 286 9 5 9 Removing Electronic Expansion Valve Coil 287 9 5 10 Removal of the printed circuit board PCB 289 9 6 RPI 0 6 6 0 FSN4E Ducted indoor unit 290 9 6 1 Removal of the electrical box 290 9 6 2 Removal of the inlet and outlet air thermistors 291 9 6 3 Removal of the thermistors from the...
Page 261: ...tal Louver 331 9 10 RPF I 1 0 2 5 FSN2E Floor and Floor concealed type 332 9 10 1 Removal of the air inlet grille 332 9 10 2 Removal of the air filter 332 9 10 3 Removal of the air outlet grille 332 9 10 4 Removal of the front panel 333 9 10 5 Removal of the fan motor 333 9 10 6 Removal of the printed circuit board PCB 334 9 10 7 Removal of the thermistors from the liquid and gas piping 334 9 11 K...
Page 262: ...aw the air inlet grille forward to remove 4 When attaching the air inlet grille the supporting string shall be attached to the air panel CAUTION TURN OFF all power source switches Knob Air Inlet Grille Upper Part of Filter Hook Hook Lower Part of Filter Air Filter Air Inlet Grille Supporting String Air inlet grille Air inlet grille Air filter Knob Hook Hook Upper part of filter Lower part of filte...
Page 263: ...ks 1 and 2 to the air panel and insert the fixing hook 3 to the air panel 4 Remove four 4 long screws from the air panel Remove them with attention to temporally hook hinges of air panel 2 portions onto hooks of unit 2 portions Then remove the air panel after unhooking two 2 hinges from the two 2 hooks Hook Hinge Unit Air Panel Unit Air panel Hinge Hook PS HS H B HITACHI AIR CONDITIONER Model THM5...
Page 264: ...fter the fixing nut for the turbo fan is removed Remove the fan motor after three 3 fixing nuts for the fan motor are removed When reassembling the tightening torque for nuts shall be approximately 8N m NOTE When reassembling temporally fix the fixing screws 1 to 5 and align the centre of turbo fan and bell mouth to match Tighten securely after keeping the clearance between the turbo fan and the b...
Page 265: ...nd the holders B by finger and raise the PCB1 Remove the PCB1 from the holders A by drawing it towards arrow direction in the figure below Indoor Unit PCB Electrical Box Holder B Screw for Earth Wire PCB1 PCB1 Holder Bend the holder by finger Holder A Holder Screw for earth wire Electrical box Holder Holder Bend the holder by finger Indoor unit PCB NOTE Do not touch electrical parts on PCB1 Pay at...
Page 266: ... hole 5 Removing Drain Pan Remove four 4 bolts fixing the drain pan Remove the drain pan NOTE When attaching the rubber plug again push in it into the drain hole by using Phillips Screwdriver etc after the rubber plug is wet by water Seal the rubber plug after the silicone sealant is applied around the flange part of rubber plug Bolt for Fixing Drain Pan 4 pcs Drain Pan Rubber Plug Drain pan Rubbe...
Page 267: ...ain up mechanism 5 Remove two 2 fixing screws for drain up mechanism When removing hold the drain up mechanism by hand in order not to fall 6 Remove the drain up mechanism NOTE When reassembling wrap up the wires for float switch and drain up mechanism together by the insulation Fix securely them to the original position When attaching the drain pan again pay attention not to pull the wires strong...
Page 268: ...loat switch by loosening the fixing screw for the fixing base NOTE When reassembling wrap up the wires for float switch and drain up mechanism together by the insulation Fix securely them to the original position When attaching the drain pan again pay attention not to pull the wires strongly Otherwise the insulation attaching at the cabinet may be peeled Pay attention to handle the float switch If...
Page 269: ...e and remove the liquid pipe thermistor When reassembling securely fix lead wires for fan motor 2 pipe thermistors and expansion valve together by the cord clamp attaching at the partition plate and attach each thermistor to the original position Lead wires for fan motor Fixing screws for partition plate Partition plate Lead wires for gas pipe thermistor Wire for expansion valve Lead wires for liq...
Page 270: ...nd expansion valve 6 Remove the hooks of the expansion valve coil from the projection of the expansion valve body by a few turn of expansion valve coil Pull up and remove the expansion valve coil At this time pay attention not to twist the pipes 7 Insert the new expansion valve coil for replacement to the expansion valve body When inserting fix the expansion valve coil to catch the projections ont...
Page 271: ...otors 6 Remove the motors from the louvres 7 Remove each connector connected to the motors NOTE When reassembling securely catch the C shaped part of louver spring onto the hooking part of louver Additionally insert the L shaped part of louver spring into the hole of louver bearing Rotate the louver bearing 360º clockwise before fixing the screw for louver bearing Louver bearing Fixing screws for ...
Page 272: ...for auto louver according to the item 9 1 12 Removing Auto Louver Motors 6 Remove each louver bearing and louver spring NOTE When reassembling securely catch the C shaped part of louver spring onto the hooking part of louver Additionally insert the L shaped part of louver spring into the hole of louver bearing Rotate the louver bearing 360o clockwise before fixing the screw for louver bearing Remo...
Page 273: ...Lift the grille approximately 45 angle from the air panel surface 2 Tilt the air inlet grille lift it up to draw it forward NOTE If the louvers are to be moved for example for cleaning purposes select automatic swing mode to move the four louvers to the same position Filter catches Air filter Aprox 45º 9 2 3 Removal of the electrical box cover 1 The electrical box can be removed by opening the air...
Page 274: ... Remove the corner covers Corner covers can be removed pulling A part toward the arrow direction shown in the figure below A 3 Remove the long screws of A at the air panel Loosen the long screws of B and rotate the air panel to the arrow direction to remove the air panel Electrical box Indoor unit Refrigerant pipe Mounting sheet Long screws x4 Air panel Indication Pipe side Fixing plate Indoor uni...
Page 275: ...th Fixing nut Fan guide Fixing screw x8 Fixing screw x4 Wire cover 2 Remove the bell mouth Remove the 4 fixing screws attaching the bell mouth to the drain pan and remove the bell mouth 3 Removing the fan guide Remove the 8 fixing screws and remove the drain pan 4 Removing the Fan runner and the Fan Motor a Remove the nut and the washer fixing the fan runner b Remove 3 nuts fixing the fan motor c ...
Page 276: ...ing the PCB cover THen remove the PCB cover 5 The indoor unit PCB is fixed by 6 plastic holders Carefully Pull out the PCB from each holder as shown in the figure Holder PCB Electrical box Pull out PCB PCB Holder Electrical box Holder PCB Electrical box Pinch here with a long nose pliers to remove the PCB PCB PCB Cover CAUTION Do not touch the electrical components of the PCB Do not apply force to...
Page 277: ...plug from the drain pan and drain the water remaining in the drain pan Although silicon sealant is aplied over the rubber plug the rubber plug can be removed by pulling the bottom side 6 Check any clogging in the drain hole Proceed to empty the pan of water by removing the rubber plug CAUTION The plug is sealed with silicone but can be easily removed by pulling on the bottom of it Do not use a kni...
Page 278: ...e clamping Fix the gathered wires with the plastic band attached to the fixing base of the drain mechanism Plastic band Drain Hose Float switch Float switch fixing screw Drain Mechanism fixing screws x3 Drain Hose Drain mechanism fixing base Plastic band Drain Mechanism Disconnect the drain hose from the drain mechanism 9 2 9 Removal of the float switch 1 Remove the drain pan as indicated in chapt...
Page 279: ...ion and securing system is the same on the gas and liquid pipe The thermistors are secured with brackets Gas pipe thermistor Thermistor holder Espansion valve coil Espansion valve Liquid pipe thermistor Thermistor holder Partition plate Screws x6 9 2 11 Removal of the electronic expansion valve coil 1 Remove the optional air panel in line with the instructions given in chapter 9 2 4 Removal of the...
Page 280: ...c expansion valve body Electronic expansion valve connector 6 Blue 5 Orange 4 Yellow 3 White 1 Red 2 Free 9 2 12 Removal of the inlet air thermistor 1 Remove the air inlet thermistor 2 Remove the bell mouth as described in 9 2 5 Removal of the fan runner and the fan motor 3 Tear off the filament tape then remove the thermistor cable attached to the bell mouth 4 Push the thermistor case to the dire...
Page 281: ...e fixing screw for C cover and remove the C cover 3 Remove the fixing screw on the AS motor from the air panel Then remove the louver the louver bearing and the AS motor 4 Disconnect the connector for the AS motor Press the catch to disconnect the connector to avoid breakage Screw Air panel C Cover Louver Bearing AS Motor Connector Air panel Bearing Bearing Bearing Louver AS Motor Stopper Stopper ...
Page 282: ... panel surface Tilting the air inlet flat grille lift it up to draw forward then remove it NOTE The air inlet flat grille can be opened up to 90 However it cannot be removed from the air panel at that angle Air inlet grille Air filter Knob Knob Chain Turn 90º 9 3 2 Removal of the electrical box NOTE The Electrical box appears when opening the air inlet grille 1 Open the air inlet grille 2 Loosen t...
Page 283: ...g Electrical Box Cover 2 Remove the electrical box a Remove the outlet air thermistor THM2 the drain up mechanism connector CN36 the float switch connector CN14 the liquid pipe and gas pipe thermistors THM5 THM3 the expansion valve CN11 the fan motor connector CN1 and the auto louver motor connector CN17 from the PCB For RCD 4 0 6 0 FSN3 remove the fan control lead wire x2 from the bell mouth then...
Page 284: ...plate placed on the centre of the indoor unit Remove the fixing nut and 3 vibration rubber fixing the fan motor the remove the fan motor f For reassembling fix the bell mouth to the drain pan with fixing screws temporarily then fix the fan motor lead wire to 2 code clamp for the evaporator partition plate For RCD 4 0 6 0 FSN3 fix the fan motor lead wire to 1 code clamp for the fan partition plate ...
Page 285: ...ders for PCB 4 holders for fan control PCB Pinch the holder with long nose pliers and pull out PCB from the holders CAUTION Do not touch the electrical components of the PCB Do not apply force to the PCB as this could damage it The sealed earthing cable and the transformer are secured by a screw When installing be particularly careful not to overtighten the set screw Make sure that all connectors ...
Page 286: ... the evaporator partition plate 3 Cut the clamping band gathering the lead wires for drain up mechanism float switch and outlet air thermistor 4 Spread out the plastic band for drain hose the remove the drain hose from drain up mechanism 5 Remove three fixing screws for the drain up mechanism Make sure to hold the drain up mechanism by hand so that it will not fall off 6 Then remove the drain up m...
Page 287: ...he Air filter and the Air inlet grille 2 Remove the fan duct and the fan as indicated in chapter 9 3 4 Removal of the fan duct and the fan 3 Remove the drain pan as indicated in chapter 9 3 8 Removal of the drain pan 4 Remove the butyl sheet covering the thermistor Remove the plate securing the thermistor to the pipe on which it is located and remove NOTE The thermistor protection and securing sys...
Page 288: ...the orifices located at the coil See the picture beside called alignment notch Expansion valve coil Expansion valve Alignment notch 6 Once replaced fit the electronic expansion valve in the reverse manner as indicated for the removal process 7 Position the butyl sheet attaching it correctly to the valve NOTE Check that the cables do not touch the fan duct after installation is complete Electronic ...
Page 289: ...ing AS Motor Screw Screw AS Motor Louver 9 3 12 Remove the Anti bacterial agent case 1 Remove the air panel according to the item 9 1 3 Removing Optional Air Panel 2 Remove the bell mouth and turbo fan according to the item 9 1 4 Removing turbo fan and fan motor 3 Remove the drain pan according to the item 9 1 6 Removing Drain Pan 4 Remove 1 screw for antibacterial agent case then remove the antib...
Page 290: ...elease the hook from the lower part of the panel 3 Lift the side panel Hook at the upper part of the side panel 2 sections Hook at the upper part of the side panel 2 sections 9 4 3 Removal of the air outlet grille 1 Remove the side panel in line with the instructions given in chapter 9 4 2 Removal of the side panel 2 Remove the right shaft crank on the air louver 3 Remove the four set screws from ...
Page 291: ...r Wiring panel Nº Part 1 Electrical box 4 Remove the screws securing the box and attach to the lower frame CAUTION Hold onto the electrical box to prevent it from falling 5 Press the four attachment points of the cover 1 inwards and remove it Hook Casing 6 Loosen the coupling screws using a wrench 7 Remove the securing flange and remove the fan motor by sliding it backwards CAUTION Hold onto the m...
Page 292: ...sing a hexagonal wrench 4 Remove the M8 bolt securing the support as indicated in section 9 4 5 Removal of the fan shaft support 5 Remove the coupling after removing the shaft and fan unit Coupling 9 4 7 Removal of the automatic louver motor 1 Remove the side panel in line with the instructions given in chapter 9 4 2 Removal of the side panel 2 Remove the bolts M4 from the AS motor assembly and re...
Page 293: ...ions given in chapter 9 4 2 Removal of the side panel 2 Remove the lower panel Lower panel Stay Drain hose Drain pan 3 Disconnect the drain hose and remove the drain pan Side panel Thermistor for the liquid pipe Thermistor for the gas pipe Heat exchanger 4 Remove the thermistors from the liquid and gas pipe Nº Part 1 Gas thermistor yellow connector 2 Liquid thermistor black connector ...
Page 294: ... Hold onto the electrical box to prevent it from falling 4 Remove the panel E box cover 5 Carefully remove the securing supports from the printed control board PCB four by pressing carefully on the support tabs with long tipped pliers CAUTION Do not touch the electrical components of the PCB Do not apply force to the PCB as this could damage it Pay special attention to the position of the connecto...
Page 295: ...he air filter Holes 2 or 3 Portions Air Inlet Grille Holes 2 or 3 portions Air inlet grille Lower side Upper side Catch Catch Air filter Lift up the air filter 9 5 2 Removing Side Cover 1 Open the air inlet grille downward according to the item 9 5 1 Removing Air Filter and Air Inlet Grille 2 Remove the fixing screw for side cover 3 Slide the side cover in the direction of the arrow 1 and release ...
Page 296: ...t on the opposite side of the AS motor and then pull out the louver 2 1 AS Motor Side Opposite Side of AS Motor Louver Support 1 Louver support AS motor side Opposite side of AS motor 9 5 4 Removal of the fan motor 1 Open the air inlet grille as indicated in chapter 9 4 1 Removal of the air filter 2 Open the air inlet grille downward according to the item 9 5 1 Removing Air Filter and Air Inlet Gr...
Page 297: ...tor CN1 Electrical box Screw Screw Fixing screw for electrical box cover outside Fixing screw for electrical box cover inside 7 Remove the lead wires for the fan motor from the cord clamp on the plate 8 Remove 2 fixing screws for each lower casing 1 Remove the lower casings by pushing 2 catches 2 inward Only 2 casings on the motor side shall be removed Except for RPC 1 5 and 2 0FSN3 9 Loosen 2 fix...
Page 298: ...aring together with the shaft and fan runner It takes 2 people to carry out the work 5 Loosen 1 fixing screw for the fan runner with a hexagon wrench and remove the fan runner 1 from the shaft Then pull the fixing plate for the bearing out from the shaft 2 NOTE When pulling the fixing plate for the bearing out do not damage the shaft surface contacting the bearing If it is damaged an abnormal nois...
Page 299: ... for RPC 1 5 and 2 0FSN3 1 Open the air inlet grille downward according to 9 5 1 Removing Air Filter and Air Inlet Grille 2 Remove the lower casing according to 9 5 4 Removal of the fan motor 3 Loosen 2 fixing screws for the coupling with a hexagon wrench and shift the coupling to the fan motor according to 9 5 4 Removal of the fan motor 4 Shift the shaft to the plate in the direction of the arrow...
Page 300: ...ve the electrical box and hook it on the flame at the lower part of the unit according to 9 5 4 Removal of the fan motor 4 Open the electrical box cover and disconnect the connectors for the gas pipe thermistor yellow THM5 and the liquid pipe thermistor black THM3 from the indoor unit PCB Connector for Liquid Thermistor THM3 Connector for Gas Thermistor THM5 Connector for liquid thermistor THM3 Co...
Page 301: ...electronic expansion valve by hand 4 Remove the electrical box and hook it on the flame at the lower part of the unit according to 9 5 4 Removal of the fan motor 5 Open the electrical box cover and disconnect the connector CN11 for the electronic expansion valve coil from the indoor unit PCB Service Access Door Service Access Door Cover Electronic Expansion Valve Right Side Plate Service access do...
Page 302: ...e Coil Wiring Outlet of Expansion Valve Coil Projection Expansion valve body Expansion valve coil Detent Wiring outlet of expansion valve coil Notes for Mounting Pipe Thermistors and Expansion Valve Coil When mounting the pipe thermistors pay attention to the outlet direction and position of the lead wires Seal the thermistors with butyl sheets after mounting them Run the lead wires for the expans...
Page 303: ...over and remove it 4 Remove the 6 holders fixing the indoor unit PCB Pinch the middle portion with a long nose pliers and pull them out CAUTION Do not touch the electrical components on the PCB Do not apply an excessive force to the PCB nor bend it Otherwise it will lead to a PCB failure An incorrect position during installation may damage the PCB E box cover Holders Holders Holder Middle portion ...
Page 304: ... 290 9 6 RPI 0 6 6 0 FSN4E Ducted indoor unit 9 6 1 Removal of the electrical box RPI 0 6 1 5 FSN4E RPI 2 0 6 0 FSN4E 1 1 Nº Part 1 Location of the electrical box cover RPI 0 6 1 5 FSN4E RPI 2 0 6 01 FSN4E 1 1 2 3 4 Nº Part 1 Set screw 2 Terminal board 3 Transformer 4 PCB ...
Page 305: ... 3 Thermistor NOTE To disconnect and remove the appropriate thermistor previously see the chapter corresponding to the wiring diagrams in this Manual 1 Remove the screws securing the rear cover of the unit 2 Disconnect and remove the thermistor Nº Part 1 Location of the air inlet thermistor Outlet air thermistor NOTE To disconnect and remove the appropriate thermistor previously see the chapter co...
Page 306: ...hem if damaged during maintenance work 1 Remove the electrical box cover 2 Remove the service cover The liquid and gas pipe thermistors are secured to the copper piping by a special clamp Liquid pipe thermistor covered with cork tape Gas pipe thermistor covered with pipe insulation Nº Part 1 Electrical box 2 Drain pump 3 Screws NOTE Black connector liquid thermistor Yellow connector gas thermistor...
Page 307: ...f the fan casing is to be fully removed remove the screws securing the other half to the fan motor fixture 9 6 5 Removal of the drain mechanism NOTE To disconnect and remove the drain mechanism previously see the chapter corresponding to the wiring diagrams in this Manual 1 Remove the drain pump support screws and remove it Nº Part 1 Drain pump NOTE Prior to installing the new pump 1 Remove the el...
Page 308: ...anual 1 Remove the drain pump support screws and remove it 2 Loosen the screws securing the float switch to the support 3 Loosen the resin nut securing the float switch and remove it Nº Part 1 Float switch position NOTE The torque value of the resin nut is 0 3 0 4 Nm If the torque value is higher the nut will be damaged Nº Part 1 Float switch 9 6 7 Removal of the air filter Nº Part 1 Air filter 2 ...
Page 309: ... components 1 Remove the electrical box cover as indicated in chapter 9 7 1 Removal of the electrical box cover 2 Separate the connections of all electrical components 3 Remove the set screws A and separate the full electrical component support B CAUTION Handle the support carefully to avoid damaging the electrical components 9 7 3 Removal of the inlet and outlet air thermistors Inlet air thermist...
Page 310: ... air thermistor The outlet air thermistor B is located on the right hand side of the air outlet from the unit 1 Remove the electrical box cover as indicated in chapter 9 7 1 Removal of the electrical box cover 2 Disconnect and remove the thermistor x2 thermistors in RPI 16 0 20 0 FSN3PE f NOTE To disconnect and remove the appropriate thermistor previously see the chapter corresponding to the wirin...
Page 311: ...viously see the chapter corresponding to the wiring diagrams in this Manual Black connector liquid thermistor Yellow connector gas thermistor Cycle service cover 4 Remove the gas and liquid thermistor insulation cover 5 Remove the special clamp holding the thermistor to the copper piping and remove it NOTE When fitting the thermistors remember that they must be secured correctly by the special cla...
Page 312: ...move the electrical box cover as indicated in chapter 9 7 1 Removal of the electrical box cover 3 Disconnect the fan motor NOTE To disconnect and remove the fan motor previously see the chapter corresponding to the wiring diagrams in this Manual 4 Remove the drain pan as indicated in chapter 9 7 5 Removal of the drain pan 5 Remove the wiring A from the electrical box and release it from the suppor...
Page 313: ...ice cover and the 4 screws of the fan motor front service cover Fan motor side service cover Fan motor front service cover 2 After removing the service covers remove the screws which fix the fan motor to its supports 4 screws at the fan motor side service cover and 2 screws at the fan motor service cover Screws of the fan motor side service cover 3 Remove the 4 front screws which fix the fan motor...
Page 314: ...le to ease the release of fan motor group Pass the fan motor connector through the hole 5 Remove the fan motor group One person shall push the fan motor group from the position of the front service cover while a second person is pulling from the position of the fan motor side service cover CAUTION The fan motor group has an approximate weight of 25 kg and therefore removal operation shall be carri...
Page 315: ...iagrams in this Manual 3 Loosen the resin nut securing the float switch A and remove it If the switch support is to be removed remove screws B NOTE The torque value of the resin nut is 0 3 0 4 Nm If the torque value is higher the nut will be damaged For RPI 16 0 20 0 FSN3PE f 1 Remove the cycle service cover by unscrewing its fixing screws 2 Loosen the resin nut securing the float switch and remov...
Page 316: ...ort fixture 1 of the air filter 2 and separate both parts 2 1 For RPI 16 0 20 0 FSN3PE f Filter maintenance can be performed from right or left side of the unit Remove filter support x2 screws each support and pull out the filter from the handle In those installations where the servicing space is narrow the filter could be bent in three pieces when pulling it out Filter support ...
Page 317: ... the electrical box cover Nº Part 1 Set screws 2 Terminal board 3 Transformer 4 PCB 2 Remove the set screws and remove the electrical box from the unit NOTE The electrical box is fitted with a hinge 9 8 2 Removal of the inlet and outlet air thermistors Inlet air thermistor NOTE To disconnect and remove the appropriate thermistor previously see the chapter corresponding to the wiring diagrams in th...
Page 318: ...ct and remove the thermistor Nº Part 1 Outlet thermistor NOTE The thermistor is located on the outlet side of the unit To disconnect and remove the appropriate thermistor previously see the chapter corresponding to the wiring diagrams in this Manual 2 Disconnect and remove the thermistor Removal of the thermistors from the liquid and gas pipes Nº Part 1 Screws NOTE To disconnect and remove the app...
Page 319: ...or gas thermistor 9 8 4 Removal of the fan parts Fan parts fan motor fan casing and duct 1 Remove the rear cover as indicated in chapter 9 8 2 Removal of the inlet and outlet air thermistors 2 Remove the tape located in the centre of the casing 3 Press the locks and remove half of the fan casing 4 Remove the fixture support screws and carefully remove the motor together with the fans 5 Loosen the ...
Page 320: ...n the screws securing the float switch to the support NOTE The torque value of the resin nut is 0 3 0 4 Nm If the torque value is higher the nut will be damaged Nº Part 1 Float switch position 3 Loosen the resin nut securing the float switch and remove it Nº Part 1 Float switch 9 8 6 Removal of the air filter 1 Remove the air filter fixture support screws and remove the air filter Nº Part 1 Air fi...
Page 321: ...or RPK 0 6 1 5 FSN H 3M 1 Remove the air filter according to the 9 9 1 Removal of the air filter chapter 2 Open the flat panel fully and slightly extend the right arm shaft outward After the shaft is removed from the front panel pull the flat panel frontward with the right arm shaft slightly extended outward and then remove the flat panel 3 Remove 2 bushes and then 2 screws Pull the lower side of ...
Page 322: ...tches NOTE Make sure that there is no gap nor lap between the front panel and the right side of the drain pan If there is a gap there an air leakage and dew condensation may occur and the dew may drop on the front panel 6 Tighten 2 screws and attach 2 bushes And then mount the air filter 7 Insert the arm shafts on both sides of the flat panel into the holes on the unit body along the guide of the ...
Page 323: ...screws Pull the lower side of the front panel 2 portions forward to release the catches Use a slotted screwdriver when the catches are difficult to release CAUTION Take special care not to be injured by the heat exchanger fins 4 Remove the front panel carefully so that it does not touch the horizontal louver attached to the air outlet Slightly lift the front panel up to release the catches 4 porti...
Page 324: ...ghten 3 screws and attach 3 bushes And then mount the air filter 7 Insert completely the arm shafts of left and right side of the panel into the holes along the guide of the front panel After the flat panel is attached properly close the flat panel Make sure there is no lap between the front panel and the left side of the drain pan ୗഃ ኸ ࣧᡤ Catches on lower side of front panel Drain pan projection ...
Page 325: ...ollowing components Electrical box Terminal board cover DIP switch PCB PCB2 Indoor unit PCB PCB1 Terminal board Switch cover Receiver cover PCB for receiver with indicator Electrical box cover 0 8HP and 1 5HP Electrical box Terminal board cover DIP switch PCB PCB2 Indoor unit PCB PCB1 Terminal board Switch cover PCB for receiver Electrical box cover 2 0HP to 4 0HP ...
Page 326: ...RPK 0 8 1 5 FSN H 3M RPK 2 0 4 0 FSN3M A 1 2 Screw for earth wiring connection Electrical box cover Wire for receiver kit Terminal board for remote control switch cable Terminal board for power source Fix the wires by cord clamp A B 1 Terminal board for power source Screw for earth wiring connection Wire for receiver kit Terminal board for remote control switch cable 9 9 5 Remove the switch cover ...
Page 327: ...emove the wirings and connectors on the PCB1 for the freeze protection thermistor gas pipe thermistor inlet air thermistor outlet air thermistor transmission remote control switch power source external input output auto louver PCB for receiver with indicator fan motor and expansion valve coil Screw for electrical box cover Screw for terminal board cover Screw for switch cover Electrical box Electr...
Page 328: ...ard cover Terminal board for power source TB1 Terminal board for remote control switch cable and transmission TB2 Screw for earth wiring 3 Remove 2 screws for the electrical box stay to remove it 4 Remove 1 screw for the fixing plate for the terminal board and tilt the board frontward Screw for fixing plate for terminal board Electrical box stay Screw for electrical box stay Fixing plate for termi...
Page 329: ...sion valve coil as expansion valve relay cord Incline this portion in the direction of the arrow to undo the hooks Spacers on Front Side Incline this portion in the direction of the arrow to undo the hooks Spacers on front side Spacers on Front Side 2 Portions Spacers on Rear Side 2 Portions Spacers on front side 2 portions Spacers on rear side 2 portions 9 9 7 Removing Electrical Box For RPK 0 6 ...
Page 330: ...erminal board cover and the electrical box cover according to 9 1 5 Removing Printed Circuit Board PCB1 chapter 3 Then remove the power source wiring the transmission wiring and the wiring for the remote control switch from the terminal board 4 Remove the connectors on the PCB1 for the freeze protection thermistor gas pipe thermistor inlet air thermistor outlet air thermistor auto louver PCB for i...
Page 331: ... Then mount the AS motors in the reverse procedure NOTE The AS motor connected to the black cord is for the upper horizontal louver and the AS motor connected to the white cord is for the lower horizontal louver Take care not to mount a wrong AS motor when mounting them AS Motor Screws Fixing AS Motor 2 Portions AS motor Screws fixing AS motor 2 portions AS Motor Cord Color Black Screws Fixing AS ...
Page 332: ... C Fixing catch B Fixing catch A Positions of fixing catches for drain pan Example 1 5HP Direction for removing drain pan 2 Pull the drain pan frontward and downward 1 Draw the drain pan frontward A B C Center pole of drain pan Pull the drain pan frontward Fixing catch for drain pan Fixing catch for drain pan Release the catch in the direction of the arrow Release the catch in the direction of the...
Page 333: ...he drain hose is not fixed If the drain hose is firmly fixed the drain pan cannot be removed 5 Remove 3 catches at C and D in the following procedure Apply a force in the direction of the arrow 1 and release 1 catch C fixing the drain pan to the cabinet Then apply a force in the direction of the arrow 2 and release 2 catches D Remove the drain pan 6 When mounting the drain pan mount it in the reve...
Page 334: ... of the heat exchanger to disconnect the pipings Then lift the indoor unit up and draw it frontward to remove it 4 Remove the front panel according to the 9 9 2 Removal of the front panel chapter 5 Remove the electrical box according to the 9 9 7 Removing Electrical Box chapter 6 Remove the drain pan according to the 9 9 9 Removing Drain Pan chapter Rear side of indoor unit Piping holder Connected...
Page 335: ... Remove the power source wiring the transmission wiring and the wiring for the remote control switch 2 Push the portion indicated by PUSH on the underside of the unit to release the catches at the lower part of the unit 3 Remove the flare nuts attached to the rear pipings of the heat exchanger to disconnect the piping Then lift the indoor unit up and draw it frontward to remove it 4 Remove the fro...
Page 336: ...ixed to the bearing cover Resin plate on left side of heat exchanger Insert a slotted screwdriver here and remove the resin plate from the bearing cover Bearing cover 13 Tilt up the piping holder at the rear side approximately 10 degrees in the direction of the arrow A as shown in the figure below 14 Pull out the heat exchanger with the rear pipings obliquely upward in the direction of the arrow B...
Page 337: ...tor into the thermistor pipe and fix it with the thermo clip c After attaching the thermistor clamp the wirings for the expansion valve freeze protection thermistor gas pipe thermistor and inlet air thermistor with one 1 plastic band 5 Removing Gas Pipe Thermistor a The gas pipe thermistor is fixed by the thermistor holder Remove the thermistor holder from the thermistor Then the gas pipe thermist...
Page 338: ...astic band so that the thermistor wire will not be loosened Place the wirings for the thermistors for inlet air gas pipe and freeze protection and the expansion valve coil into the electrical box from the wiring outlet at the upper side The wiring for the expansion valve coil is not included when using the unit without expansion valve Clamp the wirings for the thermistors for inlet air gas pipe an...
Page 339: ...move the plastic band A clamping each thermistor Plastic Band A Plastic band A 5 Removing Freeze Protection Thermistor a The freeze protection thermistor is fixed to the inside of the thermistor pipe brazed to the gas pipe by the thermo clip Remove the thermistor from the thermo clip b When attaching the freeze protection thermistor attach it in the reverse procedure Insert the thermistor into the...
Page 340: ...he reverse procedure Take care during the work so that the wiring for the thermistor will not come into contact with metal edges of fins or side plates of the heat exchanger c After attaching the thermistor clamp the wiring for the expansion valve freeze protection thermistor gas pipe thermistor and suction air thermistor with one 1 plastic band Place the wiring for the thermistors for inlet air g...
Page 341: ...ad wiring for outlet air thermistor 9 9 12 Removing Fan and Fan Motor DANGER TURN OFF all power source switches For RPK 0 6 1 5 FSN H 3M 1 Remove the heat exchanger according to the 9 9 10 Removing Heat Exchanger chapter 2 Remove 2 screws fixing the motor clamp to remove it As lifting up the motor clamp in the direction of the arrow A pull it out in the direction of the arrow B 3 Then Loosen 1 scr...
Page 342: ...crews for Motor Clamp A B Fixing screws for motor clamp Motor clamp Fan Fan Motor Fixing Screw for Fan Fixing screw for fan Fan Fan motor 4 Remove 1 screw fixing the bearing holder and remove the bearing holder 5 Hold the fan with hands and lift the bearing side up slightly Then pull out the fan to the left to remove the fan and the motor 6 When mounting the fan motor and fan mount them in the rev...
Page 343: ...to twist the piping 3 Insert the new expansion valve coil for replacement into the expansion valve body Fit the projection portions into the detents with the wiring outlet facing up NOTE The detents are located 90º apart in a circle and the projections are located 180º apart in a circle Fit the projection portions into the detents If inserting the coil incorrectly it may cause malfunction of the e...
Page 344: ...xpansion valve body pull up the coil to remove it NOTE Take care not to twist the piping 3 Insert the new expansion valve coil for replacement into the expansion valve body Fit the projection portions into the detents with the wiring outlet facing down NOTE The detents are located 90º apart in a circle and the projections are located 180º apart in a circle Fit the projection portions into the dete...
Page 345: ...of the arrow C to remove the shaft at the right from the drain pan Ꮐ ゲ Ꮐ ゲ ਛᄩゲ ฝ ゲ ฝ ゲ Far Left Shaft Left Shaft Middle Shaft Right Shaft Far Right Shaft Far left shaft Far right shaft Right shaft Middle shaft Left shaft Bearing Bearing Upper Louver Lower Louver Drain Pan Far Right Shaft A Far right shaft Lower louver Upper louver Drain pan Lower Louver Upper Louver Center Pole at Right Side of Dr...
Page 346: ...ow The grille can be opened at a 30 angle 3 Remove the air inlet grille from the hinges Knob 9 10 2 Removal of the air filter RPF 1 0 2 5 FSN2E The air filter is located inside the air inlet grille 1 Remove the air inlet grilles as indicated in section 9 10 1 Removal of the air inlet grille 2 Remove the filter by pulling the filter button Air filter 9 10 3 Removal of the air outlet grille RPF 1 0 ...
Page 347: ...he front panel Front lower panel 9 10 5 Removal of the fan motor 1 Remove the air inlet grille as indicated in chapter 9 10 1 Removal of the air inlet grille 2 Remove the air filter as indicated in section 9 10 2 Removal of the air filter 3 Remove the four set screws from the fan motor assembly plate and remove it 4 Disconnect the wiring from the fan motor connector Remove the wiring board and the...
Page 348: ...crew 7 Press the four attachment points of the PCB using long tipped pliers and placing a finger next to the hole in the PCB before removing the PCB Rear side of the unit Front side of the unit CAUTION Do not touch the electrical components of the PCB Do not apply force to the PCB as this could damage it Pay special attention to the position of the connectors on the PCB An incorrect position durin...
Page 349: ...pelled without heat exchange Damper Exhaust air Outdoor air Supply air Return air Damper Exhaust air Outdoor air Supply air Return air Automatic selection mode Factory set The operating mode is selected automatically according to the temperature conditions outdoor indoor and set 9 11 2 Structure and part names KPI 252 2002 E4E and KPI 502 1002 X4E Nº Part 1 HEX Filters Service Cover 2 Electrical B...
Page 350: ...ll the hinges back because the cover can fall 2 Hold onto the handle 3 Remove the two total heat exchanger elements from the main unit 9 11 5 Removal of the air filter 1 Pull the hinges back 2 Open and remove the service cover b CAUTION The service cover b is not fixed pay attention when pull the hinges back because the cover can fall It is recommended to remove the two heat exchanger 3 Hold onto ...
Page 351: ... exchanger elements 9 11 6 Removal of the float switch X4E series only 1 Remove the 4 screw from the service cover a situated closed the SA duct connector and remove the service cover 2 Float switch is on the bottom left side close de service window 3 Unscrew the nut on the float switch and remove from its bracket 4 Unplug the connector that is inside the protection cap and take out the float swit...
Page 352: ...SMGB0099 rev 0 12 2016 338 9 11 7 Removal of the damper motor 1 Unscrew the 6 screw form the service cover f 2 Unplug the connector that is inside the protection cap 3 Unscrew the 2 screws that are fixing the motor brackets 4 Separate the damper motor from the housing 5 Remove the damper motor ...
Page 353: ...r screws 5 Move the electrical box slightly upwards 6 Pull it out towards yourself 4 5 6 4 4 4 6 6 9 11 9 Removal of the PCB 1 Remove the electrical box 2 Disconnect all the connectors in the PCB 3 Remove the PCB by unlocking the four 4 plastic holders per PCB CAUTION Do not touch the electrical components of the PCB Do not apply force to the PCB as this could damage it Pay special attention to th...
Page 354: ...screws from the fan service cover d 2 Unplug the connector that is inside the protection cap 3 Remove all 4 screws from the fan assy e NOTE Use a 5 mm allen key hexagon key 4 Remove the fan with the assembled cover CAUTION The fan kit is not fixed pay attention when all 4 screws are removed the fan can fall In order to remove de cover from the fan unscrew all 4 screws ...
Page 355: ...d the SA duct connector and remove the service cover 2 Unplug the connector that is inside the protection cap 3 Cross the connector thought the hole in the end wall 4 Unscrew all 4 screw 2 in on side and 2 in the other side DANGER When unscrew all 4 screw pay attention because the DX Coil Module is not fixed and can fall DX Coil module it heavy two persons are required for remove this component 5 ...
Page 356: ...valve device 9 12 2 Removal of the electrical components Control box 1 Remove the control box cover unscrewing the 4 screws Expansion valve box 1 Remove the expansion valve box cover unscrewing the 4 screws 2 Remove the terminal box like the control box cover CAUTION Handle the support carefully to avoid damaging the electrical components CAUTION Do not touch the electrical components of the PCB D...
Page 357: ...ting Index 10 1 Electronic expansion valve check procedure 344 10 2 Procedure for checking fan motors in indoor units 344 10 3 Inspection of other components 346 10 4 Outdoor and indoor alarm codes 347 10 5 DX Interface EXV 2 0 10 0 E2 or KPI E X 4E alarm codes 349 ...
Page 358: ...ocedure for checking fan motors in indoor units Name and abbreviation of the cable colours used Black Brown Red Yellow Green Blue Grey Orange White BLK BRN RED YEL GRN BLU GRY ORN WHT Indoor units Power output Wiring diagram Cable number Resistance Ω RCI 1 0FSN4 RCI 1 5FSN4 RCI 2 0FSN4 RCI 2 5FSN4 RCI 3 0FSN4 57 W DC motor RCI 4 0FSN4 RCI 5 0FSN4 RCI 6 0FSN4 127 W DC motor RCIM 0 6FSN4 E RCIM 0 8F...
Page 359: ... RPI M 0 6FSN4E DU RPI M 0 8FSN4E DU RPI M 1 0FSN4E DU RPI M 1 5FSN4E DU RPI 2 0FSN4E 60 W DC motor RPI 2 5FSN4E RPI 3 0FSN4E 150 W RPI 4 0FSN4E RPI 5 0FSN4E RPI 6 0FSN4E 250 W RPI 8 0 10 0 FSN3E f RPI 16 0 20 0 FSN3PE f 1065 W BLK1 2RED RED2 3BLU BLU3 4GRY GRY4 5YEL RED2 6WHT 5 00 0 75 0 75 0 75 9 20 to 20 ºC RPK 0 6FSN H 3M RPK 0 8FSN H 3M 38 W DC motor RPK 1 0FSN H 3M RPK 1 5FSN H 3M RPK 2 0FSN...
Page 360: ...U4 5ORN ORN5 6YEL 231 70 198 70 136 20 71 20 202 40 to 20 ºC RPF I 1 5FSN2E 28 W RPF I 2 0FSN2E RPF I 2 5FSN2E 45 W BLK1 2RED RED2 3WHT WHT3 4BLU BLU4 5ORN ORN5 6YEL 97 90 138 10 61 60 35 20 61 00 to 20 ºC 10 3 Inspection of other components Component name Unit model Model code Resistance MΩ Drain motor RCI FSN4 TBC TBC RCIM FSN4 E PSB 12 A HHT 2 100 RPI M FSN4E f RCD FSN2E KJV 1004 347 to 21ºC ...
Page 361: ... connection expansion valve locking at opened position disconnected connector 8 Excessively high discharge gas temperature at the top of compressor Insufficient refrigerant charge refrigerant leakage Expansion valve closed or clogged 11 Indoor units sensor Air inlet thermistor Failure of thermistor sensor connection Incorrect wiring disconnected wiring wire breaking short circuit 12 Air outlet the...
Page 362: ...re Cycle abnormality 51 Inverter Abnormal operation of the current sensor Incorrect wiring of current sensor Failure of control PCB DIP IPM IPM or PCB2 53 Inverter fin temperature increase Inverter module IPM DIP IPM and PCB2 abnormality Failure of compressor clogging of heat exchanger 54 Abnormality of inverter fin temperature Heat exchanger clogging Fan motor failure 55 Abnormality of inverter m...
Page 363: ...circuited connector 17 o Indoor Air outlet DX Coil thermistor Toutcoil Loose disconnected broken or short circuited connector 18 o o o Indoor Indoor RA fan protection device activation for KP Fan motor overheating locking 19 o o o Indoor Indoor OA fan protection device activation for KPI or DX KIT2 Fan Fan motor overheating locking 31 o o System Incorrect setting of outdoor and indoor units Outdoo...
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Page 365: ...1 2 3 Cleaning of the wall type indoor unit RPK 358 11 2 4 Cleaning the floor console and floor concealed console indoor unit RPF I 359 11 2 5 Cleaning of the ceiling type indoor unit RPC 360 11 3 Cleaning of KPI units 363 11 4 Econofresh kit 365 11 5 Collection of refrigerant to replace the indoor unit 365 11 6 Cleaning agents for heat exchanger 366 11 6 1 Recommended specifications of cleaning a...
Page 366: ... the heat exchanger is heavily clogged with dust remove it with this brush Bucket Capacity 2 to 5 litres Philips screwdriver 1 Tweezers 1 Adjustable wrench 1 Megohmmeter Measured voltage of up to 500 V Gun Applying cleaning water Rope 4 ropes measuring 1 m Vinyl sheeting Thickness of 0 5 mm Gloves Water pan pipe Select a pipe in line with the installation requirements Cleaning product Use a neutra...
Page 367: ... 2 4 Removal of the optional air panel 3 Remove the electrical box after opening the corresponding panel and then disconnect the connectors located between the indoor and outdoor units and other connectors as indicated in sections 9 2 3 Removal of the electrical box cover and 9 2 5 Removal of the fan runner and the fan motor 4 Remove the bell mouth and fan as indicated in section 9 2 6 Removal of ...
Page 368: ...in the same manner Inner side Magnet Magnet Support bar Qty 5 Vynyl sheet A B C D Water collector Motor panel Attach the water collector to the heat exchanger Put a vinyl sheet here in order to protect the insulation sheet from the splashed cleaning water Place a vinyl sheet around the motor to prevent the cleaning water from splashing the electrical motor Secure the motor panel using adhesive tap...
Page 369: ... Boss Hose Bucket Cleaning water collector Pour approximately 15 litres of cleaning product for the aluminium fins into a supply tank Cleaning agent for the aluminium fins Insert the nozzle of the pressurised water gun into the hole in the cleaning water manifold Start the water pump and clean the heat exchanger of any dust Adjust the pressure of the water pump in order not to damage the fins Afte...
Page 370: ...ying it of water 2 Empty the drain pan of water by removing the rubber plug Make sure the water flows easily through the hole by inserting a pencil into it 3 Once the drain pan has been removed check that there is no water in the drainage at the bottom of the pan 4 Clean and dry the pan before removing it Handle the pan carefully Remove the electrical box after opening the corresponding panel and ...
Page 371: ...manifold and hang the manifold 4 Connect a pipe to the boss and place the end inside the pipe Cleaning water collector Suspension bracket Indoor unit Rope Support bar Boss Hose Bucket Pour approximately 15 litres of cleaning product for the aluminium fins into a supply tank Insert the nozzle of the pressurised water gun into the hole in the cleaning water manifold Start the water pump and clean th...
Page 372: ... the heat exchanger as indicated in sections 9 9 10 Removing Heat Exchanger and 9 9 12 Removing Fan and Fan Motor Cleaning the indoor unit NOTE Wear gloves to avoid injuries caused by the heat exchanger fins Clean the inner surface of dust Collect all of the dust in a bucket or a cardboard box Place a vinyl sheet around the electrical components to protect them from splashed cleaning water Secure ...
Page 373: ...ain pan by lowering the rope Perform the neutralisation treatment after cleaning 11 2 4 Cleaning the floor console and floor concealed console indoor unit RPF I Remove the front panel in line with the instructions given in chapter 9 10 4 Removal of the front panel Drain pan Front side partition Heat exchanger Cover the heat exchanger with vinyl sheet Remove any dust from the heat exchanger Remove ...
Page 374: ...ter before starting this job Remove the side panels in line with the instructions given in chapter 9 4 2 Removal of the side panel Remove the louver in line with the instructions given in chapter 9 4 3 Removal of the air outlet grille Open the air inlet grille as indicated in chapter 9 4 1 Removal of the air filter Remove the lower panel and drain pan in line with the instructions given in chapter...
Page 375: ...ld from the indoor unit Insert the nozzle of the pressurised water gun into the hole in the cleaning water manifold Start the water pump and clean the heat exchanger of any dust After cleaning spray and remove all remains of water NOTE Set the pressure of the water pump so as not to damage the funs Any cleaning water left behind will rust the fins Set the pump pressure to between 2 5 and 5 kg cm3 ...
Page 376: ... any dust from the interior surface of the heat exchanger and the fins To do so brush downwards and collect all of the dust in a bucket or cardboard box Spray cleaning water over the fins from the rear of the heat exchanger Follow the steps below to wash with clean water 1 Set the water pump pressure to between 2 5 and 5 kg cm2 to protect the fins 2 Start the water pump and wash the fins with clea...
Page 377: ...lean the heat exchanger unit once or more every two years Clean the air filter more than once a year KPI 252 2002 E4E and KPI 502 1002 X4E Pull the hinges back Open and remove the service cover CAUTION The service cover is not fixed pay attention when pull the hinges back because the cover can fall Remove the air filters located at the bottom left and bottom right close to the heat exchanger unit ...
Page 378: ...his could damage the exposed parts of the heat exchanger Hold onto the handle Remove the two total heat exchanger elements from the main unit KPI 252 2002 E4E and KPI 502 1002 X4E Use a vacuum cleaner to suck up any dust and dirt from the exposed surfaces of the total exchanger elements Fit a nozzle with a brush to a vacuum cleaner to carry out this task Clean the elements by brushing the exposed ...
Page 379: ...ply after completing the maintenance work 11 5 Collection of refrigerant to replace the indoor unit Collection of refrigerant after replacing the indoor unit 1 Connect the gauge manifold to the gas and liquid stop valve 2 Switch the power supply ON 3 Enable pin 1 of DSW1 on the outdoor unit PCB for cooling operation Close the liquid stop valve and collect the refrigerant 4 Carry out the following ...
Page 380: ...ling 3 Mask Glasses Gloves 1 The hydroxide caused by the reaction of aluminium fins and the water condensed on the surface of the fins 2 The possibility of occurrence of cracking was also examined taking into account the results of the examination of the possibility of occurrence of cracking in Acrylonitrile Butadiene Styrene ABS and Polystyrene PS 3 Personal Protection Equipment PPE must be used ...
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Page 382: ...ning products are manufactured according to ISO 9001 of JQA Japan for its Quality Management accordance with the standard ISO 14001 of JACO Japan for its Environmental Management accordance with the standard Johnson Controls Hitachi Air Conditioning Spain S A U is certified with ISO 9001 of AENOR Spain for its Quality Management accordance with the standard ISO 14001 of AENOR Spain for its Environ...
