Mitsubishi Heavy Industries FDCA Series Technical Manual Download Page 148

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146

Error display

[Communications error during operation]

Indoor unit

Red LED

Green LED

2 time flash

Keeps flashing

Red LED

Green LED

2 time flash

Keeps flashing

Outdoor unit

Is the connection

of the signal wires at the

outdoor unit poor?

Is the connection

of the signal wires at the

indoor unit poor?

Did the remote

controller’s LCD return

to normal?

“ WAIT ”

The unit is normal.

Malfunction was due to
transient noise, etc.

Go to display diagnosis (page 136).

YES

(1)

(2)

Repair

Reset power

supply.

YES

“ WAIT ”

Notes (1) Check for poor connections (disconnection, looseness) on the outdoor unit’s terminal block.

(2) Check for poor connections or disconnection of the signal lines between the indoor and outdoor units.

Reset power supply.

Did it return to normal?

YES

Outdoor unit’s control PCB is
faulty. (Network communications
circuit is faulty.) Replace

Malfunction is due to noise, etc.

(The outdoor unit’s CPU went
out of control due to noise during
power on.)

Indoor unit

Red LED

Green LED

2 time flash

Keeps flashing

Red LED

Green LED

Stays OFF

Keeps flashing

Outdoor unit

Error display

e32

[Power supply phases reversed]

Indoor unit

Red LED

Green LED

Stays OFF

Keeps flashing

Red LED

Green LED

1 time flash

Keeps flashing

Outdoor unit

Are the power supply

phases reversed?

YES

Are the connections

to the reverse phase detection

circuit lines correct?

YES

Outdoor unit’s control PCB is faulty.

Replace

(Reverse phase detection circuit is faulty.)

Repair

Summary of Contents for FDCA Series

Page 1: ...Air to air heat pump type Collection data Manual No 04 M T 089 OUTDOOR UNIT INDOOR UNIT FDCA301HEN 301HES 401HEN 401HES 501HES 601HES 801HES 1001HES FDTA151 201 251 301 401 501 FDENA151 201 251 301 401 501 FDKNA151 201 251 301 FDURA201 251 301 401 501 ...

Page 2: ...art 47 2 8 Characteristics of fan 50 2 9 Noise level 51 3 ELECTRICAL DATA 55 3 1 Electrical wiring 55 4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 66 5 APPLICATION DATA 83 5 1 Installation of indoor unit 84 5 2 Installation of remote controller 103 5 3 Installation of outdoor unit 104 6 MAINTENANCE DATA 124 6 1 Servicing 124 6 2 Trouble shooting for refrigerant circuit 125 6 3 Diagnosing of mic...

Page 3: ...oor units so the unit is more resistant to electromagnetic noise thus the incidence of microcomputer malfunction has been reduced The compressor in the outdoor unit has its own self protection function that reacts according to abnormal high pressure and excessive high temperature 4 There are only three power lines between the outdoor and indoor unit One cabtyre cable with 3 wires encased in one sh...

Page 4: ...401HES 4 Horse Power FDCA501HES 5 Horse Power FDCA601HES 6 Horse Power FDCA801HES 8 Horse Power FDCA1001HES 10 Horse Power 嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷嘷 Indoor unit assembly capacity Branch pipe set Optional 151 151 301 301 401 401 301 501 301 501 501 501 201 201 201 151 151 151 151 301 301 301 201 201 201 201 201 401 401 251 251 501 301 301 401 251 251 251 251 DIS WA1 DIS TA1 DIS WA1º...

Page 5: ...ve for fan motor Flare piping Connectable with VP25 Necessary both Liquid Gas lines Mounting kit Drain hose Decorative Panel Thermostat by electronics Turbo fan 1 mm in Safety equipment Wired remote control switch Optional RC E1 Wireless remote control switch Optional RCN T W E Powerful mode Hi 36 Me 33 Lo 32 Mild mode Hi 33 Me 32 Lo 31 Powerful mode Hi 38 Me 35 Lo 33 Mild mode Hi 35 Me 33 Lo 31 P...

Page 6: ...nnectable with VP25 Necessary both Liquid Gas lines Mounting kit Drain hose Decorative Panel Thermostat by electronics Turbo fan 1 mm in Safety equipment Wired remote control switch Optional RC E1 Wireless remote control switch Optioanl RCN T W E Powerful mode Hi 38 Me 35 Lo 33 Mild mode Hi 35 Me 33 Lo 31 Powerful mode Hi 46 Me 43 Lo 41 Mild mode Hi 43 Me 41 Lo 38 Powerful mode Hi 20 Me 17 Lo 15 M...

Page 7: ...er 1 Washable Rubber sleeve for fan motor Flare piping Connectable with VP25 Necessary both Liquid Gas line Mounting kit Drain hose Decorative Panel Thermostat by electronics Turbo fan 1 mm in Safety equipment Wired remote control switch Optional RC E1 Wireless remote control switch Optioanl RCN T W E Powerful mode Hi 48 Me 45 Lo 43 Mild mode Hi 45 Me 43 Lo 40 Powerful mode Hi 32 Me 29 Lo 26 Mild ...

Page 8: ...er sleeve for fan motor Flare piping Connectable with VP20 Necessary both Liquid Gas line Mounting kit Drain hose Thermostat by electronics Multiblade centrifugal fan 2 mm in Safety equipment Wireless remote control switch Optional RCN E1 Wired remote control switch Optional RC E1 Powerful mode Hi 42 Me 39 Lo 38 Mild mode Hi 39 Me 38 Lo 37 Powerful mode Hi 44 Me 41 Lo 39 Mild mode Hi 41 Me 39 Lo 3...

Page 9: ...ble Rubber sleeve for fan motor Flare piping Connectable with VP20 Necessary both Liquid Gas lines Mounting kit Drain hose Thermostat by electronics Multiblade centrifugal fan 4 mm in Safety equipment Wireless remote control switch Optional RCN E1 Wired remote control switch Optioanl RC E1 Powerful mode Hi 44 Me 41 Lo 39 Mild mode Hi 41 Me 39 Lo 38 Powerful mode Hi 46 Me 44 Lo 41 Mild mode Hi 44 M...

Page 10: ...navailable Polypropylene net 2 Washable Rubber sleeve for fan motor Flare piping Connectable with VP20 Necessary both Liquid Gas lines Mounting kit Drain hose Thermostat by electronics mm in Safety equipment Wireless remote control switch Optional RCN E1 Wired remote control switch Optioanl RC E1 Powerful mode Hi 48 Me 46 Lo 44 Mild mode Hi 46 Me 44 Lo 43 Powerful mode Hi 31 Me 29 Lo 26 Mild mode ...

Page 11: ...ong life fillter 2 Washable Rubber sleeve for fan motor Flare piping Connectable with VP16 Necessary both Liquid Gas lines Mounting kit Drain hose Thermostat by electronics mm in Safety equipment Wireless remote control switch Optional RCN E1 Wired remote control switch Optioanl RC E1 Powerful mode Hi 44 Me 42 Lo 40 Mild mode Hi 42 Me 40 Lo 37 Powerful mode Hi 47 Me 44 Lo 41 Mild mode Hi 44 Me 41 ...

Page 12: ...lare piping Connectable with VP16 Necessary both Liquid Gas lines Mounting kit Drain hose Thermostat by electronics mm in Safety equipment Wireless remote control switch Optional RCN E1 Wired remote control switch Optioanl RC E1 Powerful mode Hi 48 Me 45 Lo 42 Mild mode Hi 45 Me 42 Lo 39 Powerful mode Hi 49 Me 46 Lo 43 Mild mode Hi 46 Me 43 Lo 40 Powerful mode Hi 14 Me 13 Lo 11 Mild mode Hi 13 Me ...

Page 13: ...erant piping size Noise level Model FDURA201 5000 5400 FDURA251 5600 6400 1 Phase 220 230 240V 50Hz Line starting Standard 50 Max 85 Polypropylene net 1 Washable Rubber sleeve for fan motor Flare piping Connectable with VP25 Necessary both Liquid Gas lines Mounting kit Drain hose Suction grille Thermostat by electronics Multiblade centrifugal fan 2 mm in Safety equipment Wired remote control switc...

Page 14: ...piping size Noise level Model FDURA301 6700 7100 FDURA401 10000 11200 1 Phase 220 230 240V 50Hz Line starting Standard 50 Max 130 Polypropylene net 1 Washable Rubber sleeve for fan motor Flare piping Connectable with VP25 Necessary both Liquid Gas lines Mounting kit Drain hose Suction grille Thermostat by electronics Multiblade centrifugal fan 2 mm in Safety equipment Wired remote control switch O...

Page 15: ...piping size Noise level Model FDURA501 12500 13600 1 Phase 220 230 240V 50Hz Line starting Standard 50 Max 130 Polypropylene net 1 Washable Rubber sleeve for fan motor Flare piping Connectable with VP25 Necessary both Liquid Gas lines Mounting kit Drain hose Suction grille Thermostat by electronics Multiblade centrifugal fan 2 mm in Safety equipment Wired remote control switch Optional RC E1 Hi 43...

Page 16: ...h Depth Refrigerant equipment compressor type Q ty Noise level Motor 1 The cooling and heating capabilities imply the values when the indoor unit of rated capacity is connected under the condition specified in ISO T1 2 The refrigerant quantity in the connecting pipe is not included Charge it additionally at the site Notes Air handling equipment Fan type Q ty Motor Starting method Air flow Standard...

Page 17: ...efrigerant equipment compressor type Q ty Noise level Motor 1 The cooling and heating capabilities imply the values when the indoor unit of rated capacity is connected under the condition specified in ISO T1 2 The refrigerant quantity in the connecting pipe is not included Charge it additionally at the site Notes Air handling equipment Fan type Q ty Motor Starting method Air flow Standard Shock vi...

Page 18: ...ions Height Width Depth Refrigerant equipment compressor type Q ty Noise level Motor 1 The cooling and heating capabilities imply the values when the indoor unit of rated capacity is connected under the condition specified in ISO T1 2 The refrigerant quantity in the connecting pipe is not included Charge it additionally at the site Notes Air handling equipment Fan type Q ty Motor Starting method A...

Page 19: ...erant equipment compressor type Q ty Noise level Motor 1 The cooling and heating capabilities imply the values when the indoor unit of rated capacity is connected under the condition specified in ISO T1 2 The refrigerant quantity in the connecting pipe is not included Charge it additionally at the site Notes Air handling equipment Fan type Q ty Motor Starting method Air flow Standard Shock vibrati...

Page 20: ...46 83 84 4 29 3 58 7 4 6 1 67 84 85 FDCA501HES 4 35 4 44 7 2 7 0 77 87 92 FDCA601HES kW A A Cooling input Heating input Cooling running current Heating running current Inrush current L R A Cooling power factor Heating power factor 400 V Item Model FDCA801HES 6 79 6 69 11 0 11 0 58 86 85 7 29 7 24 11 4 11 6 58 89 87 FDCA1001HES kW A A Note 1 This packaged air conditioner is manufactured and tested ...

Page 21: ... outdoor unit Power input of indoor unit 2 Total running current Total running current A Running current of outdoor unit Running current of indoor unit 2 3 3 Total power factor Total power factor Total power input W 3 Total running current A Power source 100 Total operation characteristics Operation characteristic value of outdoor unit Operation characteristic value of indoor unit Example Conditio...

Page 22: ...t difference between outdoor unit and indoor unit Difference in height between indoor units Difference in after branch piping lengths between indoor units Power source voltage Voltage at starting Cycle Time Stop Time Compressor ON OFF Frequency Refer to the selection chart Dew point temperature 28 C or less relative humidity 80 or less 1 Max 50m Max 70m Max 20m Max 10m Max 30m Outdoor unit is high...

Page 23: ...between indoor units m h 0 5 or less FDCA801HES 1001HES One way pipe length m L ra 70 L rb 70 Branch pipe length m Ira rbI 10 ra 30 rb 30 Difference in height between indoor units m h 0 5 or less FDCA601HES One way pipe length m L ra rb rc 50 Branch pipe length m Ira rbI 10 Ira rcI 10 Irb rcI 10 ra 20 rb 20 rc 20 Difference in height between indoor units m h1 0 5 or less h2 0 5 or less h3 0 5 or l...

Page 24: ...air opening for ducting Control box Gas piping ø6 35 1 4 Liquid piping or more Lug for suspension bolts Space for installation and service Obstacle Holes for tapping screws Holes for tapping screws Holes Holes Suspension bolts B D C Drain Connectable with VP25 1000 or more 2500 or more 2 3 Exterior dimensions 1 Indoor unit a Ceiling recessed type FDT Models FDTA151 201 251 unit mm Notes 1 If the t...

Page 25: ...140 52 ø15 88 5 8 A 6 ø4 4 ø4 860 890 Ceiling hole size 780 Suspension bolts pitch 675 Suspension bolts pitch Control box Fresh air opening for ducting Exhaust air opening for ducting Control box Gas piping ø9 52 3 8 Liquid piping or more Lug for suspension bolts Space for installation and service Obstacle Holes for tapping screws Holes for tapping screws Holes Holes Suspension bolts B D C Drain C...

Page 26: ...ling hole size 780 Suspension bolts pitch 675 Suspension bolts pitch A 35 295 187 137 840 212 95 45 or more 950 630 Air inlet grille Gas piping ø15 88 5 8 Air outlet Hole Hole 80 77 100 140 100 147 140 60 148 140 160 68 55 25 4 ø4 Holes for tapping screws 6 ø4 Holes for tapping screws Space for installation and service Drain Connectable with VP25 Suspension bolts VIEW C VIEW D Fresh air opening fo...

Page 27: ...sion bolts 780 Suspension bolts pitch 675 Suspension bolts pitch B A Air outlet Air inlet grille Drain hose Accessories Local setting Decorative Panel 6 ø4 4 ø4 Holes for tapping screws Holes for tapping screws Drain Connectable with VP25 Suspension bolts Hole for wiring VIEW A VIEW B VIEW D VIEW C Space for installation and service Fresh air opening for ducting Exhaust air opening for ducting D C...

Page 28: ...52 68 410 135 10 53 145 76 1272 Suspension bolts pitch 290 Suspension bolts pitch Air inlrt grille Indication board 251 ø6 35 1 4 301 ø9 52 3 8 ø15 88 5 8 Holes for suspension bolts M8 to M10 4pcs Not included Liquid piping Gas piping Liquid piping Gas piping Space for installation and service or more or more or more or more Obstacles Air inlet grille Drain hose connection 1 VP20 Drain hose connec...

Page 29: ...tion and service or more or more or more or more 40 15 100 50 Installation position diagram and installation space from the front 67 60 63 5 387 5 457 5 515 53 5 44 5 15 284 2 5 3 8 5 40 100 73 5 693 5073 5 182 5 450 207 5 50 50 220 5 47 5 44 5 25 44 60 3 240 44 60 14 5 60 813 3 60 44 60 840 298 Right Left Drain hose VP16 Liquid piping ø6 35 1 4 Gas piping ø12 7 1 2 ø65 ø65 Service space Service s...

Page 30: ...et for piping Indication board Outlet for piping Outlet for electric wiring 4 12 18 long hole Mounting plate Model FDKNA301 Unit mm 45 35 75 51 450 4 5 5 15 long hole 8 12 18 long hole 450 690 45 75 51 245 100 1047 54 50 465 515 600 65 72 9 282 5 6 5 Service space 40 37 60 209 245 50 50 50 50 220 54 1155 298 1145 196 9 55 3 51 Service space Service space Drain hose VP16 Liquid piping Gas piping ø9...

Page 31: ...Suspension bolts pitch 850 Dimension for duct Air outlet duct Liquid piping ø6 35 1 4 Gas piping 201 ø12 7 1 2 251 ø15 88 5 8 Drain Connectable with VP25 Drain Natural drainage VP20 Unit mm 850 600 1200 100 635 Inspection hole d Ceiling mounted duct type FDUR Models FDURA201 251 Notes 1 If the twin triple or double twin 201 units are used be sure to use φ9 52 piping for the liquid pipe on the bran...

Page 32: ...n for duct 18 25 525 480 420 240 80 475 25 295 245 35 70 886 Suspension bolts pitch Low of suspension lug Suspension bolts M10 4pcs 145 30 650 45 30 45 560 18 Suspension bolts pitch 850 Dimension for duct Air outlet duct Liquid piping ø9 52 3 8 Gas piping ø15 88 5 8 Drain Connectable with VP25 Drain Natural drainage VP20 Unit mm 850 600 1200 100 635 Inspection hole Model FDURA301 ...

Page 33: ...ts M10 4pcs 173 30 650 45 30 45 560 18 Suspension bolts pitch 1370 Dimension for duct Air outlet duct Liquid piping ø9 52 3 8 Gas piping ø15 88 8 5 Drain Connectable with VP25 Drain Natural drainage VP20 1370 600 1720 100 635 Inspection hole 600 Max Drain up Air outlet Ceiling surface Drain hose Accessories Local Locality Models FDURA401 501 Space for installation and service Unit mm ...

Page 34: ...arts intended for screw holes and then fix it with screws This side is not grounded Earth Remote control switch Remote control cord Shielded wire Precation in Extending the Remote control cord The cord should be a shielded wire For all types 0 3mm2 3 cores Note 1 Use cables up to 0 5mm2 maximum for those laid inside the remote control unit casing and connect to a different size cable at a vicinity...

Page 35: ... 33 b Wireless remote controller Optional parts Unit mm MODE TEMP ON OFF AUTO COOL DRY FAN HEAT FILTER C AM PM ON AM PM OFF FAN HI LO 60 20 5 161 5 ...

Page 36: ...ng A Opening for piping and electric wring Opening for piping and electric wring Opening for piping and electric wring Required space for maintenance and air flow Minimum allowable space to the obstacles Unit mm VIEW A 3 Outdoor unit Models FDCA301HEN 301HES Unit mm Mark 1 2 3 L1 Open Open 500 L2 300 5 Open L3 100 150 100 L4 5 5 5 Installation type Notes 1 It is prohibited to install in a space en...

Page 37: ... 50 50 50 110 195 50 70 50 15 50 27 50 15 1050 15 47 295 237 55 40 340 40 150 60 Air inlet Air inlet Air outlet Terminal block Required space for maintenance and air flow Minimum allowable space to the obstacles Unit mm Mark 1 2 3 L1 Open Open 500 L2 300 5 Open L3 150 300 150 L4 5 5 5 Installation type Notes 1 It is prohibited to install in a space enclosed with walls at four sides 2 Unit must be ...

Page 38: ...utlet must be lower than the height of unit Unit mm Model FDCA501HES VIEW A A Holes for drain ø20 3 pcs L4 L3 L2 L1 60 580 38 50 110 10 40 48 53 99 40 410 15 103 60 50 50 195 50 70 50 15 50 27 50 15 388 262 15 40 55 55 150 1300 40 110 195 628 650 970 200 60 190 20 20 370 Air inlet Air inlet Air outlet Terminal block Maintenance space Liquid piping ø9 52 3 8 Flare connecting Liquid piping ø9 52 3 8...

Page 39: ...tlet must be lower than the height of unit Unit mm Model FDCA601HES VIEW A L4 L3 L2 L1 60 580 38 50 110 10 46 50 48 100 40 410 15 103 60 50 50 195 50 70 50 15 50 27 50 15 388 262 15 40 55 55 150 1300 40 110 195 589 648 970 200 60 190 20 20 370 A Air inlet Air inlet Air outlet Terminal block Maintenance space Liquid piping ø9 52 3 8 Flare connecting Liquid piping ø9 52 3 8 Flare connecting Gas pipi...

Page 40: ... Refrigerant piping exit hole Refrigerant gas piping connection pipe Refrigerant liquid piping connection pipe Refrigerant gas piping connection pipe Refrigerant liquid piping connection pipe ø88 Refrigerant piping exit hole ø88 Refrigerant piping exit hole ø88 ø50 ø45 3pcs ø20 6pcs Power supply entry hole ø50 Power supply entry hole ø50 801 type ø9 52 3 8 1001 type ø12 7 1 2 ø25 4 1 Dimesions aft...

Page 41: ...ssor Electronic expansion valve Models FDCA801HES 1001HES Receiver Accumlator High pressure switch 63H2 Service valve Liquid side Gas side Control box Solenoid valve SV6 63H1 High pressure switch 4way valve Compressor Low pressure sensor PSL EEVH1 EEVH2 Electronic expansion valve Electronic expansion valve Electronic expansion valve EEVC SV7 Service valve FDCA1001 only Service valve ...

Page 42: ...al louver Light gray Light gray Air inlet grille Noble white Pearl white Ivory white Front panel Ivory white Flap 2 5 Exterior appearance 1 Indoor unit a Ceiling recessed type FDT b Ceiling suspension type FDEN c Wall mounted type FDKN Models FDKNA151 201 251 Model FDKNA301 Ivory white Base d Ceiling mounted duct type FDUR Zinc steel plate ...

Page 43: ... 41 Polar white Polar white Polar white 2 Outdoor unit Models FDCA301HEN 301HES Models FDCA401HEN 401HES Models FDCA501HES 601HES Models FDCA801HES 1001HES ...

Page 44: ...or Hea exchanger Sub cooling coil Electronic expansion valve EEV Heating cycle Cooling cycle Liquid branch pipe ø9 52 Strainer Service valve Indoor unit Indoor unit Outdoor unit Discharge Suction Service valve Flare connecting Sub cooling coil Sub cooling coil Heating cycle Cooling cycle ø25 4 ø15 88 ø15 88 801 ø9 52 1001 ø12 7 Check joint Check joint Check valve Check valve With charge port With ...

Page 45: ...or unit ø12 7 ø6 35 Liquid line Flarc connecting Strainer Strainer Service valve Indoor unit Indoor unit Outdoor unit Discharge Suction Service valve Flare connecting Sub cooling coil Sub cooling coil Heating cycle Cooling cycle ø25 4 ø15 88 ø15 88 ø15 88 ø9 52 Check joint Check joint Check valve Check valve With charge port With charge port Tho A Tho S Tho D Tho R1 Tho R4 Tho R3 Tho R2 Tho C PSL ...

Page 46: ...ø6 35 ø6 35 Thi A Thi R2 Thi R1 Thermistor Thermistor Thermistor Heat exchanger Branch pipe Brazing Branch pipe Brazing Flarc connecting Flarc connecting Strainer Diameter joint of different Diameter joint of different 151 ø12 7 151 ø12 7 151 ø12 7 151 ø12 7 Strainer Strainer Outdoor unit Check joint Check joint Service valve Flare connecting Service valve Flare connecting High pressure switch 63H...

Page 47: ...or Thermistor Thermistor Thermistor Thermistor Thermistor Thermistor Thermistor Thermistor Thermistor Heat exchanger Branch pipe Brazing Branch pipe Brazing Brazing Branch pipe Brazing Flarc connecting ø9 52 ø9 52 Liquid line Gas line Strainer Diameter joint of different 2st branch pipe of liquid ø9 52 2st branch pipe of liquid 2st branch pipe of gas 1st branch pipe of gas 1st branch pipe of gas S...

Page 48: ...r for frost prevention Thermistor for detecting dis charge pipe temp High pressure switch for protection ON 63 C OFF 56 C Equipped unit ThI R Tho D 63H1 Indoor unit Outdoor unit Outdoor unit ON 1 0 C OFF 10 C ON 121 C OFF 80 C FDCA801 1001 models Open 4 15MPa Closed 3 15MPa FDCA301 401 501 601 models ON 135 C OFF 90 C ...

Page 49: ...y Capacity shown on specification Correction factors as follows 1 Coefficient of cooling and heating capacity in relation to temperatures Indoor air W B temperature CW B ISO T1 Standard condition Outdoor air D B temperature CD B Cooling operation Indoor air D B temperature CD B Heating operation Coefficient of cooling and heating capacity in relation to temperatures ISO T1 Standard condition Outdo...

Page 50: ...nds in the piping Models FDCA301 601 Equivalent piping length 1 m 7 5 10 15 20 25 30 35 40 45 50 55 Heating 1 0 995 0 992 0 990 0 987 0 984 0 981 0 978 0 975 0 972 0 970 FDCA301 model 1 0 996 0 989 0 982 0 974 0 967 0 959 0 952 0 945 0 937 0 930 FDCA401 model 1 0 995 0 986 0 976 0 967 0 957 0 948 0 938 0 929 0 919 0 910 FDCA501 model 1 0 994 0 982 0 969 0 957 0 945 0 933 0 921 0 908 0 896 0 884 FD...

Page 51: ... FDCA301 601 models FDCA801 1001 models Max one way piping length 50m 70m Max vertical height difference Outdoor unit is higher 30m Outdoor unit is lower 15m How to obtain the cooling and heating capacity Example The net cooling capacity of the model FDCA301HEN with the air flow High the piping length of 15m the outdoor unit located 5m lower than the indoor unit indoor wet bulb temperature at 19 0...

Page 52: ... o w e r S t a n d a r d L o w e r Lower limit 0 20 10 40 30 60 70 80 90 100 110 120 12 13 14 15 16 17 18 19 Upper limit 50 Standard pressure Standard air flow Air flow m3 min Static pressure Pa Highspeed Upper Highspeed Upper limit Highspeed Upper limit High speed Lower limit limit High speed Lower limit High speed High High speed High H i g h s p e e d L o w H i g h s p e e d L o w H i g h s p e...

Page 53: ...eed Lower limit High speed High High speed High H i g h s p e e d L o w H i g h s p e e d L o w S t a n d a r d L o w S t a n d a r d L o w H i g h s p e e d H i g h H i g h s p e e d H i g h High speed Upper limit High speed Lower limit High speed High H i g h s p e e d L o w S t a n d a r d L o w e r S t a n d a r d H i g h Standard Upper limit Standard Upper limit 1 5m Mike center low points Mo...

Page 54: ...30 10 20 30 N50 N40 N30 N20 60 60 N10 Souud Pressure Level standard 0 0002µ bar Mid Octave Band Frequency Hz Souud Pressure Level standard 0 0002µ bar Mid Octave Band Frequency Hz N30 N40 N20 N50 N60 N70 63 125 250 500 1000 2000 4000 8000 20 30 40 50 60 70 20 30 40 50 60 70 Souud Pressure Level standard 0 0002µ bar Mid Octave Band Frequency Hz N30 N40 N20 N50 N60 N70 63 125 250 500 1000 2000 4000 ...

Page 55: ...02µ bar Mid Octave Band Frequency Hz N30 N40 N20 N50 N60 N70 63 125 250 500 1000 2000 4000 8000 20 30 40 50 60 70 20 30 40 50 60 70 Souud Pressure Level standard 0 0002µ bar Mid Octave Band Frequency Hz N30 N40 N20 N50 N60 N70 63 125 250 500 1000 2000 4000 8000 20 30 40 50 60 70 20 30 40 50 60 70 Model FDKNA301 Noise level 49 dB A at HIGH 46 dB A at MEDIUM 43 dB A at LOW Souud Pressure Level stand...

Page 56: ...d Frequency Hz N30 N40 N20 N50 N60 N70 63 125 250 500 1000 2000 4000 8000 20 30 40 50 60 70 20 30 40 50 60 70 Souud Pressure Level standard 0 0002µ bar Mid Octave Band Frequency Hz N30 N40 N20 N50 N60 N70 63 125 250 500 1000 2000 4000 8000 20 30 40 50 60 70 20 30 40 50 60 70 Model FDCA501HES Noise level 56 dB A Souud Pressure Level standard 0 0002µ bar Mid Octave Band Frequency Hz N30 N40 N20 N50 ...

Page 57: ...utput XR5 X1 2 3 6 X4 TB CnB Z mark Remote operation input volt free contact Auxiliary relay For FM Auxiliary relay For DM Terminal block mark Connector Closed end connector Mark Parts name Mark Parts name Mark Parts name Meaning of marks Color marks BK BL BR OR P RD WH Y Y GN Black Blue Brown Orange Pink Red White Yellow Yellow Green Mark Color SW5 SW9 SW2 LED 2 LED 1 Power board Printed circuit ...

Page 58: ... XR2 XR3 XR4 XR5 Emergency operation Transformer Fuse Indication lamp Red Indication lamp Green Operation output DC12V output Heating output DC12V output Thermo ON output DC12V output Inspection output DC12V output Remote operation input volt free contact X4 TB CnB Z mark Auxiliary relay For DM Terminal block mark Connector Closed end connector Mark Parts name Mark Parts name Mark Parts name Meani...

Page 59: ... output DC12V output Heating output DC12V output Thermo ON output DC12V output Inspection output DC12V output Remote operation input volt free contact Auxiliary relay For FM Terminal block mark Connector mark LED 1 LED 2 LED 3 SW1 SW2 Closed end connector Indication lamp Green Operation Indication lamp Yellow Timer Check 7 segement indicator For check Switch For setting Backup switch Operation Sto...

Page 60: ...ating output DC12V output XR3 XR4 XR5 TB CnA Z AMP Thermo ON output DC12V output Inspection output DC12V output Remote operation input volt free contact Terminal block mark Connector Wirelss receiver Mark Parts name Mark Parts name Mark Parts name Meaning of marks Color marks BK BL BR OR RD WH Y P BL WH Y GN Black Blue Brown Orange Red White Yellow Pink Blue White Yellow Green Mark Color RD RD 4 3...

Page 61: ...Heating output DC12V output Thermo ON output DC12V output Inspection output DC12V output Remote operation input volt free contact Terminal block mark Connector Wirelss receiver Closed end connector Mark Parts name Mark Parts name Mark Parts name Meaning of marks Color marks BK BL BR OR RD WH Y P BL WH Y GN Black Blue Brown Orange Red White Yellow Pink Blue White Yellow Green Mark Color CnA Blower ...

Page 62: ...V output Heating output DC12V output Thermo ON output DC12V output XR4 XR5 X1 2 3 6 X4 TB CnA Z mark Inspection output DC12V output Remote operation input volt free contact Auxiliary relay For FM Auxiliary relay For DM Terminal block mark Connector Closed end connector Mark Parts name Mark Parts name Mark Parts name Meaning of marks 1 2 3 4 5 6 1 2 3 1 3 1 3 5 7 9 Y GN 5 3 BL Color marks BK BL BR ...

Page 63: ...r marks TB Y GN TB BL WH Y GN Color BK BL BR OR P RD Black Blue Brown Orange Pink Red BK WH Mark Color WH White BK WH Black White BL WH Blue White RD Y Red Yellow Y Y GN Yellow Green Yellow Parts name Mark Meaning of marks L N RD Cc Capacitor for CM Tho A Tho D Tho R1 2 TB Terminal block mark SW5 1 Defrost control switch SW5 2 Snow prevented fan control switch SW5 4 Operate test run switch SW2 Tes...

Page 64: ... P P BR BR BL WH WH BK WH RD Y RD WH BL RD WH BL CNE Checker CNQ Test Indication lamp Red Mark Color marks TB Y GN L2 L3 TB BL WH Y GN Color BK BL BR OR P RD Black Blue Brown Orange Pink Red BK WH N BK WH Mark Color WH White BK WH Black White BL WH Blue White RD Y Red Yellow Y Y GN Yellow Green Yellow CT2 Parts name Mark Meaning of marks Tho A Tho D Tho R1 2 Thermistor outdoor H Ex temp TB Termina...

Page 65: ...ation lamp Red Mark Color marks TB Y GN TB BL WH Y GN Color BK BL BR OR P RD Black Blue Brown Orange Pink Red GR Gray BK WH Mark Color WH White BK WH Black White BL WH Blue White RD Y Red Yellow Y Y GN Yellow Green Yellow Parts name Mark Meaning of marks L N RD Cc Capacitor for CM Tho A Tho D Tho R1 2 TB Terminal block mark SW5 1 Defrost control switch SW5 2 Snow prevented fan control switch SW5 4...

Page 66: ...WH BL RD WH BL CNE Checker CNQ Test Indication lamp Red Mark TB Y GN L2 L3 TB BL WH Y GN Color BK BL BR OR P RD Black Blue Brown Orange Pink Red GR Gray BK WH N BK WH Mark Color WH White BK WH Black White BL WH Blue White RD Y Red Yellow Y Y GN Yellow Green Yellow CT2 Parts name Mark Tho A Tho D Tho R1 2 Thermistor outdoor H Ex temp TB Terminal block mark SW5 1 Defrost control switch SW5 2 Snow pr...

Page 67: ...tor Magnetic contactor for CM Crankcase heater Fan motor condenser Auxiliary relay for 52C1 Auxiliary relay for 20S Auxiliary relay for SV6 Auxiliary relay for SV7 Auxiliary relay for CH1 Auxiliary relay for FMO1 Auxiliary relay for FMO2 Function Mark Function of switches ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF 20S SV6 SV7 EEVH1 2 EEVC 63H1 1 63H2 Tho A Tho C1 Tho D1 Tho R1 2 Tho R3 4 4way valve...

Page 68: ...lashing in red FAN SPEED switch This switch is used to set the airflow volume SET switch This switch is used to apply the timer operation setting This switch is also used to make silent mode operation settings RESET switch Press this switch while making settings to go back to the previous operation This switch is also used to reset the FILTER CLEANING message display Press this switch after cleani...

Page 69: ...Air flow direction button Used to start or stop the swing louver Signal sender Signals are sent to the air conditioner from here Filter reset indicator The FILTER mark is indicated when the FILTER RESET button is pressed Temperature indicator Set temperature is indicated Timer OFF time Indicated the timer OFF time When the timer mode is CONT or OFF there is no indication ON OFF button When the but...

Page 70: ...rol device the selection of cooling or heating can be made automatically depending on the room temperature and the temperature of indoor heat exchanger When the switching between the cooling and the heating is made within 3 minutes the compressor will not operate for 3 minutes This will make much easier the switching of cooling heating at the change of season and can be adapted to the unmanned ope...

Page 71: ...t Pattern of operation Operation block Thermal drying starting for 8 or 16 minutes after operation started A 16 minutes The air flow is set at 1 speed lower than the set air flow 8 minutes Continuous cooling operation FMI Lo B 8 minutes CM FM0 FMI C 8 minutes CM FM0 FMI 8 minutes CM FM0 FMI D 8 minutes All stoppage e Timer Operation 1 Simple Timer This sets the amount of time from the current time...

Page 72: ...e 35 C or above or 7 minutes passes Heat exchanger temperature 35 C or above or 7 minutes passes Compressor ON Defrosting ends Thermostat ON Thermostat OFF Defrosting starts Compressor OFF Notes 1 If J2 starts it changes from OFF to Lo for 5 minutes Notes 2 During Hot Start the compressor is operating and the indoor fan is not operating at the set air flow Heating preparation is displayed g FM con...

Page 73: ...r Control a While the air conditioner is operating press the LOUVER switch AUTO is displayed for 3 seconds and the swing louvers move up and down continuously b When fixing the position of the swing louvers press the LOUVER switch once while the swing louvers are moving 4 stop positions are displayed in sequence at 1 second intervals When the display comes to the position where you would like to s...

Page 74: ...e operation mode it sill stop immediately when the thermostat goes OFF b During 3 minute forced operation timer control in heating operation if the thermostat goes OFF the louver position is set in the horizontal position Note 1 The compressor stops when protection control starts n Heating overload porotection If a temperature of 63ºC or higher is detected in the indoor heat exchanger continuously...

Page 75: ...group controller and use a jumper wire among each of the rooms r External control remote display control of input signal 1 External control remote display output Following output connectors CnT are provided on the control circuit board of indoor unit Operation output Power to engage DC 12V relay provided by the customer is outputted during operation Heating output Power to engage DC 12V relay prov...

Page 76: ...N ON ON ON OFF OFF OFF ON OFF OFF OFF OFF OFF ON ON ON ON ON OFF OFF OFF OFF CnT Input Air Conditioner A Air Conditioner B Note 1 The ON at the mark indicates ON using the remote control switch etc 2 Control of input signal Make sure to connect the standard remote control unit Control of input signal is not available without the standard remote controller Control of input signal switch input timer...

Page 77: ...ensation using the remote control function settings Normally the remote control s state is recorded in memory and after recovery following a power failure operation is re started in accordance with the contents in memory However the auto swing stop position and the timer mode are cancelled However the weekly timer setting is reset with the Holiday setting set for all day Remote controller board pa...

Page 78: ...nsed by Tho A B Zone 22 Outdoor air temperature C B Lo UHi Hi 25 A Zone A Hi Zone C D E 2 Outdoor fan tap control during heating The outdoor fan tap is controlled in accordance with the outdoor heat exchanger temperature sensed by Tho R and the outdoor air temperature sensed by Tho A 3 Outdoor fan tap control during heating high pressure control a If the compressor is started with an outdoor air t...

Page 79: ... 3 The fan speed is controlled in accordance with the outdoor heat exchanger temperature de tected by Tho R and the outside air temperature detected by Tho A during cooling or dehu midifying 4 Outdoor fan speed control during heating a If the fan starts when the outside air temperature detected by Tho A is 12ºC or higher the outdoor fan motor runs at speed A for 4 minutes then after 4 minutes cont...

Page 80: ...n SW5 1 SW3 1 on the outdoor unit PCB ON a A cumulative total of 30 minutes of compressor operating time has passed since defrosting ended b When the temperature at the outdoor heat exchanger thermistor Tho R and the temperature at the outdoor air temperature thermistor Tho A is below the defrost operation start temperature continuously for 30 15 seconds c Other than items a and b the same as stan...

Page 81: ...sor is ON within 10 minutes after the power is turned ON FDCA801 1001 only an abnormal stop E34 occurs Terminal block display Wire connections L1 L2 L3 N L1 L2 L3 N L3 L1 L2 N L2 L3 L1 N Retention Expansion valve control Release Discharge pipe temperature C 90 100 2 Abnormal discharge pipe temperature a If the discharge pipe temperature rises to 121ºC or higher the compressor is stopped the outdoo...

Page 82: ...re control during heating a When the pressure at the high pressure switch 63H2 during operation in the heating mode is 3 24 MPa or higher the outdoor fan and electronic expansion valve EEVH1 2 for heating are controlled and increases in the high pressure are prevented b When either of the following conditions exists 1 This control ends when pressure at the high pressure switch 63H2 drops to 2 65 M...

Page 83: ...se of cooling and dehumidification and 4 minutes after in the case of heating the indoor heat exchanger temperature sensed by Thi R and indoor return air temperature sensed by Thi A are detected and at the point when all the following conditions are satisfied stop control is performed a When the following conditions are detected continuously for 5 minutes or longer During cooling and dehumidificat...

Page 84: ...the cooling mode b The red and green LED s on the outdoor unit control board blink continuously c Each protective and abnormal detection control is valid except low pressure control d The outdoor fan is controlled as normal e The electronic expansion valve cooling heating is fully open 2 Control end conditions Stop control is executed when any of the following conditions exists a A low pressure of...

Page 85: ...not get off their support and then fix the service panel securely Improper installation can cause heat generation and a resultant fire Please prevent any substance other than the specified refrigerant R410A such as air from entering the refrigerant cycle in installing or moving the air conditioning system Contamination by air or a foreign substance can cause an abnormal pressure build up inside th...

Page 86: ...ur Accordingly all pipes and drain pipes should be further covered with insulation materials of 10 20 mm thick 3 Consider the supporting strength of the location If the strength is not sufficient to sustain the unit weight use reinforcing materials b Installation space for unit a When a sufficient interval cannot be secured between the unit and a wall or another unit shut up diffusers on that side...

Page 87: ...it Note 1 When a hanging bolt exceeds 1 3 m in length use an M10 bolt and give it reinforcements such as braces Refrigerant piping Drain bolt Suspension Nut Washer Spring Washer Main body Level gauge 10 25mm 33 38 mm Supply air grill Adjust so that the level gauge surface and the lower surface of ceiling are in matching Fix the level gauge in alignment with this face of supply air grill Ceiling ma...

Page 88: ...e this instruction may cause such harmful or flammable gas to flow into the room 1 5 m 2 m Suspension bolts Desceding slope greater than 1 100 Insulation material As wide as possible about 100 mm VP30 Joint for VP 25 not included Desceding slope greater than 1 100 295 325 mm 100 mm or less Drain hose 700 mm or less Trapped air will generate noises Put the tip of the feed water pump in the drain pa...

Page 89: ...n height Remove the level gauge before installing the unit The unit s installation height can be minutely ad justed by means of the corner openings after the panel is installed For details see 6 Installing the Panel Note 1 If the installation level of the air conditioner unit and ceiling material exceed the proper range it will cause an undue load to be broken during installation of the panel and ...

Page 90: ...5 mm Fasten the drain piping side and the opposite corner temporarily 2 Hang the panel on the two suspension bolts to install it temporarily 3 Install the two remaining suspension bolts and tighten all four of the bolts Carry out minute adjustments by turning the indoor unit s nut using a spanner or similar tool from the corner opening Note 3 The unit s installation height can be minutely adjusted...

Page 91: ...ion is fixed remote control operation and all automatic controls are disabled The actual setting may also differ from the LCD display in the remote controller 1 Turn off the main power supply turn it off at the ground fault circuit breaker 2 Disconnect the connector to the louver motor at the air outlet you want to fix the position of Wrap vinyl electrical tape around the disconnected connector to...

Page 92: ...delivery can be obtained Cold air throw Models FDEN151 201 Air throw 7 5 FDEN251 301 8 FDEN401 501 9 Unit m Conditions 1 Installation height 2 4 3 0 m above the floor 2 Fan speed Hi 3 Location Free space without obstacles 4 Distance of reach indicates the horizontal distance after the wind touched down the floor 5 Air velocity at the throw 0 5 m sec 2 A place where ceiling has enough strength to s...

Page 93: ...emote control unit Within 5m Within 30 Within 30 Within 60 W i t h i n 5 m 2 Points for attention in connecting a plural number of indoor units Condition Illuminance at the receiver area 360 lux When no lighting fixture is located within 1m of indoor unit in an ordinary office When the remote control unit is used with the aforementioned interference prevention setting a minimum distance guaranteei...

Page 94: ...lotted holes Air outlet Flat washer accessory parts Ceiling board Fasten it securely with double nuts Suspension bolts Lug for suspension Unit Double nuts Flat washer accessory parts Flat washer Nut Double nuts Suspension bolts Lug for suspension Unit Model FDEN151 201 FDEN251 301 FDEN401 501 A 1070 1320 1620 B 1022 1272 1572 Unit mm 3 Remove the suspension lug Take out the screws then loosen the ...

Page 95: ...Drain piping left 53 53 109 10 Drain piping For left Drain piping For left back 175 19 Top Cover Unit mm Back cutout Back cover Cutting margin Right side cutout Top cutout 60 100 120 60 47 60 108 31 27 27 f Drain Piping 1 Drain piping can be connected from the back right and left sides 2 When installing drain piping be sure to use the insulating material supplied for the drain hose and drain hose ...

Page 96: ... air grills f Location not exposed to direct sunshine g Avoid the location exposed to oil splash or vapor h Avoid the location near to the machine emitting high frequency radio wave i Avoid the location where the receiver of remote control is subject to strong illumination j Select the location where the unit can securely be operated by the wireless remote controller referring to the Article Effec...

Page 97: ... indoor unit weighs approx FDKN151 251 models 12kg FDKN301 model 13 5kg Therefore check whether the portion to install the unit can bear the weight of unit If it seems to be danger reinforce the portion by a plate or a beam before installing the unit It is not allowed to install the unit directly on the wall Whenever you install the unit use the attached mounting plate 2 Find structural members In...

Page 98: ...hevron shaped bend is allowed No trap is allowed The end shall not be sub merged in wa ter g Drain piping 1 Lay the drain piping with downgrade to facilitate flow of drain and do not make a trap or chevron shaped bend The drain piping can be taken out from the unit to the left right rear and down direction 2 Wrap the thermal insulator on the hard vinyl chloride pipe VP 16 laid in the room 3 Run th...

Page 99: ...illed or heated air circulates freely When the installation height exceeds 3m warmed air stays close to the ceiling In such cases suggest your client users to install air circulators b Places where perfect drainage can be prepared and sufficient drainage gradient is available c Places free from air disturbances to the return air port and supply hole of the indoor unit places where the fire alarm m...

Page 100: ...el vial or by the following method Make adjustment so that the relation between the lower surface of the unit proper and water level in the hose becomes given below After removing the hardware retlghten the screw Packing hardware 2Pcs Remove wood screw Wood base When installing the unit heed must be taken that the side touching the wood frame is the top surface of the unit 2 Blower fan switching W...

Page 101: ...d and then glue a VP 25 to be procured locally to the joint b Give the drain piping a descending grade 1 50 1 100 and never cre ate a bump to go over or a trap c In connecting drain pipes care must be taken so as not to apply force to the unit side piping and fix the pipe at a point as close to the unit as possible d Do not create an air vent under any circumstances e When drain piping is implemen...

Page 102: ...been completed connect a convex joint in the drain pipe connection to provide a water inlet Then check if water leaks from the piping system and that drain flows through the drain pipe normally Remove Drain motor connector CNR 2P Blue Connecting port of top drain pipes Standard hard polyvinyl chloride pipes Insulating material Connecting port of bottom drain pipes Rubber stopper to be removed Remo...

Page 103: ... sure to insulate the duct to prevent dewing on it 5 Location and form of blow outlet should be selected so that air from the outlet will be distributed all over the room and equipped with a device to control air volume 6 Make sure provide an inspection hole on the ceiling It is indis pensable to service electric equipment motor functional com ponents and cleaning of heat exchanger Bad example Bad...

Page 104: ...limit of unit operation Example When outdoor air temperature is 35 C DB suction air temperature is 27 C WB and it could result in such troubles as compressor overload etc c There is a possibillty that the blow air volume may exceed the allowable range of operation due to the capacity of ventilation fan or strength of wind blowing against external air louver so that drainage from be heat exchanger ...

Page 105: ...he section laid within the remote controller casing The length of each wire that should be left af ter a sheath is removed is as follows Black 195mm White 205mm Red 125mm 6 Replace the top casing as before Thin walled part Upper Lower Lower case Upper Lower Lower case Upper Lower Board Wiring X Y Z Red White Black Upper case Remote controller cord Electrical box Not included Upper Lower Cable outl...

Page 106: ...e short circuit When installing plural units in a group secure sufficient intake space to prevent the short circuit When installing the unit where it is covered by snow provide appropriate snow break means c The minimum space for installation Select the space considering the direction of refrigerant piping Distance Installation example FDCA301 FDCA401 501 601 Unit mm L1 L2 L3 L4 Open space Open sp...

Page 107: ... unit directing the dis charge air port at a right angle to the wind direction d Location where strong wind blows against the unit Where the unit is likely to be subjected to strong winds guard it from winds with the following measures A failure to give protection against winds may cause performance degradation a rise of high pressure resulting is an operation interruption a broken fan etc 3 Where...

Page 108: ...guard hoods etc b Installation space service space example Please secure sufficient clearance room for maintenance work passage draft and piping If your installation site does not fulfill the installation condition requirements set out on this drawing please consult with your distributor or the manufacturer 1 When one unit is installed 2 When more than one unit are installed Dimensions L1 L2 L3 L4...

Page 109: ...ith no height restrictions H 1000 or less c Notabilia for installation 1 Anchor bolt positions a Use four anchor bolts M12 to fix an outdoor unit s anchoring legs at all times Ideally an anchor bolt should protrude 20mm 1350 850 720 594 85 85 726 764 20 Unit Anchor bolt positions mark Unit mm b Base Install the unit so that it does not vibrate and doesn t make noise Make sure the base is strong an...

Page 110: ...indoor units use the irregular fittings 3 supplied with the branch piping set and make the branch piping branch indoor unit liquid piping size φ9 52 2 Mark is 4 to FDC301 401 only Models FDCA801 1001 Branch pipe set DIS WB1 Outdoor unit φ 9 52 t 0 8 φ 12 7 t 0 8 φ 9 52 t 0 8 φ 25 4 t 1 0 φ 15 88 t 1 0 Indoor unit Liquid line Gas line 1 2 Chart of shapes of branch piping parts DIS WB1 3 Gas pipe Li...

Page 111: ...ranged to have level or perpendicular branch Refer to the preceding page for details Model FDCA801 Branch pipe set DIS TB1 Outdoor unit Indoor unit 1 2 Chart of shapes of branch piping parts DIS TB1 Gas pipe Liquid pipe Mark Mark 100 80 80 10 300 ID9 52 ID25 4 ID15 88 3 ID9 52 3 100 10 1 4 ß 100 1 2 8 8 217 8 30 30 Liquid line Gas line φ 25 4 t 1 0 φ 15 88 t 0 8 φ 9 52 t 0 8 φ 9 52 t 0 8 Item Liqu...

Page 112: ... piping set It shows the codes for the shapes of different diameter connections 2 Branch piping should always be arranged to have level or perpendicular branch Refer to the 108 page for details Notes 1 Use the irregular fittings 3 supplied with the branch piping set on the indoor unit side and make the branch piping branch indoor unit liquid piping size φ9 52 Indoor unit combinations 151 151 151 1...

Page 113: ...el FDCA801 FDCA1001 Notes 1 1 to 7 in the drawing include parts provided in the branch piping set It shows the codes for the shapes of different diameter connections 2 Branch piping should always be arranged to have level or perpendicular branch Refer to the 108 page for details 3 Mark 3 shows for the FDCA801 model only Notes 1 In the case of the FDCA801 if the length of the main pipe exceeds 40 m...

Page 114: ...nut ø 15 88 Flare nut 14 18 N m 1 4 1 8kg m 34 42 N m 3 4 4 2kg m 49 61 N m 4 9 6 1kg m 68 82 N m 6 8 8 2kg m 4 Tighten a flare joint securely with a double spanner Use the following tightening torque values for flare nuts c How to remove the service panel Models FDCA 301 601 only First unscrew four screws holding the service panel in place pull down the panel toward the direction indicated by the...

Page 115: ...ave it for five more minutes to see if the pressure drops c Then raise the pressure to the specified level 4 15 MPa and record the ambient temperature and the pressure d If the pressure does not drop after the units is left for approximately one day the airtighteness is acceptable When the ambient temperature changes 1 C the pressure also changes approximately 0 01 MPa The pressure if changed shou...

Page 116: ...m when it is shipped from the factory and additional charging is not necessary in the case of a system with 30 m or piping or less b If the system s piping exceeds 30 m charge with an amount of additional refrigerant corresponding to the additional length of piping in the system Example If the FDCA301 model is newly installed and the piping length is 45 m Additional Charge Amount 0 60 kg 45 30 m 0...

Page 117: ... accidentally So do not fail to dress it with a heat insulation material b Warp indoor unit s flare joints with heat insulating parts pipe cover for heat insulation both gas and liquid pipes c Give heat insulation to both gas and liquid side pipes Bundle a heat insulating material and a pipe tightly together so that no gaps may be left between them and warp them together with a connecting cable by...

Page 118: ...umber between the Indoor unit and Outdoor unit as shown in the following diagram 2 Secure the wiring with wiring clamp so that no external force is transmitted to the connecting portion of terminal 3 There is a ground Earth terminal in the control box 3 phase model 1 phase model 4 Between master and slave indoor units connect between the same numbers 1 3 and X Y Z on the respective terminal blocks...

Page 119: ...l line 3 wire for the slave remote controller is taken from the indoor unit and the other where the signal lines are taken from the master remote controller b Set the SW1 select switch on the slave remote controller on the Slave setting It is set on the Master setting at the factory Note 1 Remote controller sensor activation settings are possible only with the master remote controller Install the ...

Page 120: ...ndoor unit fan speed setting ON OFF Louver control setting 01 03 04 05 06 07 08 09 10 Function number A Default setting Hi CEILING SET FILTER SIGN SET POSITION EXTERNAL INPUT SET ROOM TEMP OFFSET FAN CONTROL FREEZE PREVENT TEMP FREEZE PREVENT CONTROL Heating room temperature offset Heating fan control Louver control setting STANDARD Mild mode Hi CEILING 1 Powerful mode NO DISPLAY AFTER 180H AFTER ...

Page 121: ...l be displayed one by one Select a desired function 3 Press the SET button The screen display will be switched as follows SETTING Setting C ex AUTO RUN ON 4 Press either or button A list of Settings C will be displayed one by one Select your desired setting 5 Press the SET button The selected setting is displayed for 2 seconds then followed by SET COMPLETE and the function setting process is com p...

Page 122: ...ction setting process is completed Then the screen display will be switched to Function number A Function description B so if you want to continue to set another function repeat the stepa as explained above To finish the function setting process please proceed to Step 8 8 Press AIR CON No button The screen display will go back to the indoor unit selection screen ex I U No 00 If you want to continu...

Page 123: ...SET b Press the button once The display will change to TEMP RANGE c Press the SET button to enter the temperature range setting mode d Using the or button select Hi LIMIT SET or Lo LIMIT SET the press the SET button e If Hi LIMIT SET is selected 1 The display changes from SET UP Hi LIMIT 22ºC flashing 2 Using the button select the upper limit value Display example Hi LIMIT 22ºC flashing 3 Press th...

Page 124: ...h is turned on the unit will run in the defrost mode more frequentiy 2 Please set this switch to ON when installed in a region where outdoor temperaure falls below zero during the season the unit is run for a heating operation b Snow guard fan control SW5 2 1 When this switch is turned on the outdoor unit fan will run for 10 seconds in every 10 minutes when outdoor temperature falls to 3 C or lowe...

Page 125: ... on models the items that do not have corresponding data are not displayed 6 To display the data of a different indoor unit press the AIR CON No button which allows you to go back to the indoor unit selection screen 7 Pressing the ON OFF button will stop displaying data Number 01 02 03 04 05 07 11 21 22 23 24 27 28 29 31 32 34 35 36 37 Operation mode Indoor unit heat exchanger temperature 1 Indoor...

Page 126: ...r Notes 2 Do not use the compressor for evacuation Notes 3 Do not operate the compressor in a vacuum condition Vacuuming begins Vacuuming completed Vacuum gauge check When the vacuum gauge s needle pointer creeps up there is moisture left in the system or a leak Pull air again after you have checked the system for a leak and rectified it Use a reverse flow stop adapter to prevent the vacuum pump s...

Page 127: ...ating condition by operation pressure and temperature difference Making an accurate judgement requires a skill that is acquired only after years of experience one trouble may lead to an another trouble from a single trouble source and several other troubles may exist at the same time which comes from a undetected different trouble source Filtering out the trouble sources can be done easier by comp...

Page 128: ...tays OFF Remote controller error code No indication LCD flashes continuously or is off E1 E5 E6 E7 E9 E10 E28 Cause Keeps flashing Keeps flashing 1 time flash Stays OFF E8 Stays OFF Stays OFF Stays OFF Power OFF L phase wiring is open power source failure Stays OFF Remote controller wires X and Y are reversely connected For wire breaking at power ON the LED is OFF Remote controller wire is open X ...

Page 129: ...stor failure Remote controller error code E32 E33 E34 E36 E37 E38 E39 E40 Cause Keeps flashing Keeps flashing Stays OFF 1 time flash E35 Keeps flashing Stays OFF 1 time flash Low pressure error or gas low error Service valve closes operation FDCA801 1001 type E49 Keeps flashing Keeps flashing Stays OFF Lights contiously 52C abnormal E52 Keeps flashing Keeps flashing Stays OFF 1 time flash Suction ...

Page 130: ... multiple units are control by a single remote controller Broken wire of indoor unit return air thermistor Error detail Error code Timing of error detection Broken wire of heat exchanger thermister Broken wire of discharge pipe thermistor Broken wire of outdoor air temperature thermistor Broken wire of under doom thermistor When a thermistor input temperature of 30 C or lower is measured for 5 sec...

Page 131: ...ess the ON OFF button on the remote controller Or disconnect and reconnect the power supply connector CNW1 or CNW0 on the indoor unit control PCB or turn the main power supply OFF Turn the main power supply OFF 3 Error diagnosis procedures at the indoor unit side To diagnose the error measure the voltage AC DC resistance etc at each connector around the circuit board of indoor unit based on the in...

Page 132: ... J1 SW7 1 J2 SW7 2 J3 SW7 3 J4 SW7 4 J5 SW8 1 J6 SW8 2 With None 1 With None 1 With None 1 With None 1 With None 1 With None 1 Name Function Note 1 2 None means that jumper wire is not provided on the PCB or the connection is cut The replacement board is not equipped with jumpers J1 J6 Instead SW7 and 8 with the same functions as jumpers J1 J6 are used in the position where the jumpers were previo...

Page 133: ...With None 1 Name Function Note 1 2 None means that jumper wire is not provided on the PCB or the connection is cut The replacement board is not equipped with jumpers J1 J6 Instead SW7 and 8 with the same functions as jumpers J1 J6 are used in the position where the jumpers were previously Set SW7 and 8 locally in accordance with the above table Setting time 1000hrs Unit stop Setting time 1000hrs D...

Page 134: ...1 With None 1 With None 1 With None 1 With None 1 With None 1 With None 1 With None 1 With None 1 Name Function Notes 1 2 None means that jumper wire is not provided on the PCB or the connection is cut The replacement board is not equipped with jumpers J1 J8 Instead SW7 and 8 with the same functions as jumpers J1 J8 are used in the position where the jumpers were previously Set SW7 and 8 locally i...

Page 135: ...ith None 1 Name Function Note 1 2 None means that jumper wire is not provided on the PCB or the connection is cut The replacement board is not equipped with jumpers J1 J4 J6 Instead SW7 and 8 with the same functions as jumpers J1 J4 J6 are used in the position where the jumpers were previously Set SW7 and 8 locally in accordance with the above table Setting time 1000hrs Unit stop Setting time 1000...

Page 136: ...turn to normal when the power supply is reset Notes 1 In models other than FDT replace the fuse 2 FDT only Note 3 In models other than FDT it is CNW2 Note 4 3 is GND Control lines connected wrong or disconnected Outdoor unit check Fuse exchange Transformer exchange Harness disconnection Unit is normal Malfunction was due to noise etc Replacement indoor unit power supply PCB Replacement indoor unit...

Page 137: ...Remote controller wire short circuit Remote controller defective Remote controller wire disconnection Remote controller defective NO Remeasure between X Z 10 11V YES YES Is the voltage between CNW8 1 3 12V NO Replacement indoor unit power supply PCB Replacement indoor unit control PCB NG Check the CNW5 8 harness OK Only case of FDT Harness exchange Indoor unit Green LED Red LED 3 time flash Keeps ...

Page 138: ... s terminal block Measure the voltage between 2 N and 3 of the outdoor unit s terminal block Measure the voltage between 2 N and 3 of the indoor unit s terminal block Power supply fuse exchange Noise filter exchange Indoor unit control PCB defect Indoor outdoor unit control PCB defect Remote controller defect Remote controller wire disconnection Y Indoor unit control PCB defect Remote controller d...

Page 139: ...lacement indoor unit control PCB Power supply reset Normal Normal NO NO Replacement remote controller NO YES Replacement indoor unit control PCB Remote controller wire short circuit YES NO Replacement remote controller Noise Power supply reset Power supply OFF Remote controller wire is removed YES Indoor unit Red LED Green LED Stays OFF Stays OFF or Lights continuously Stays OFF Keeps flashing Red...

Page 140: ...t Defective indoor unit heat exchanger thermistor input circuit Defective indoor unit heat exchanger thermistor Replacement YES YES NO NO Is the return air thermistor connector connection OK Correction Is the return air thermistor characteristics OK or is there a broken wire Defective return air thermistor Replacement Defective indoor unit control PCB Replacement Defective return air thermistor in...

Page 141: ...s to the indoor heat exchanger thermistor OK Are the characteristics of the indoor heat exchanger thermistor OK Does the heating overload state exist NO YES NO NO YES Notes 1 Check if the overload state exists or not using the following check points Is there a short circuit Is the indoor heat exchanger dirty or clogged Is the outdoor unit s fan control normal Is the indoor or outdoor air temperatu...

Page 142: ...etween 0 15 V Secondary side of transformer red red 15V or more Does the fan motor turn smoothly by hand Is the voltage at CNM2 3 DC 1V or higher CNM1 1 and 3 Red White DC280V CNW9 1 and 3 DC15V Replacement indoor unit power supply PCB Replacement indoor unit control PCB Replacement indoor unit control PCB Detective fan motor Replacement indoor unit control PCB Replacement transformer Note 1 White...

Page 143: ...n indoor unit fan motor s speed is detected to be less than 200 rpm continuously for 30 seconds the fan motor stops for 2 seconds After 2 seconds it starts again but this occurs 4 times within a period of 1 hour NO After check reset fan runs on Me Turn the power off and wait a short time 30 min 1 hr Check the circumstances Replacement fan motor Check the circumstances YES YES NO NO YES Was it repr...

Page 144: ...tics of remote controller therm istor OK or is there any broken wire Is the remote controller thermistor connector co nnection OK Correction Temperrature C 0 1 2 4 6 8 10 12 Resistance value kΩ 65 62 59 53 48 44 40 36 Temperrature C 14 16 18 20 22 24 26 28 Temperrature C 30 32 34 36 38 40 42 44 Temperrature C 46 48 50 52 54 56 58 60 Resistance value kΩ 33 30 27 25 23 21 19 18 Resistance value kΩ 1...

Page 145: ...rmer etc b Replacement procedure of outdoor unit microcomputer printed circuit board Microcomputer printed circuit board can replaced with following procedure 1 Confirm the parts numbers Refer to the following parts layout drawing for the location of parts number Applicable Model FDCA301HEN 401HEN FDCA301HES 401HES 501HES 601HES FDCA801HES 1001HES PCA505A065ZP PCA505A065ZT PCB505A042PB Parts No 1 ...

Page 146: ...w refrigerant protection control Invalid Test run operation Heating Test run operation Cooling SW5 1 SW5 2 SW5 3 SW5 4 ON OFF ON OFF ON OFF ON OFF Snow guard fan control Effective Snow guard fan control Invalid Switch Function Notes 1 None means that jumper wire is not provided on the PCB or the connection is cut Notes 2 The replacement board is not equipped with jumper wires J11 J13 Instead SW3 i...

Page 147: ...mal Test run operation switch Test run Normal Test run operation Heating Test run operation Cooling Pump down Normal Defrosting end operation change Normal SW3 1 SW3 2 SW3 3 SW3 4 SW3 5 SW3 6 ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF Snow protection control With Snow protection control None Name Function Renewal switch Normal LED reset Normal Test mode Normal SW5 1 SW5 2 SW5 3 SW5 4 ON OFF ON OFF ...

Page 148: ...connections or disconnection of the signal lines between the indoor and outdoor units Reset power supply Did it return to normal YES NO Outdoor unit s control PCB is faulty Network communications circuit is faulty Replace Malfunction is due to noise etc The outdoor unit s CPU went out of control due to noise during power on Indoor unit Red LED Green LED 2 time flash Keeps flashing Red LED Green LE...

Page 149: ...ere is a disconnection between 52C and CM or in the L1 and L2 phases between TB1 and 52C During cooling Is FMo turning During heating Is FMI turning Is the service valve gas side fully open Is the filter clogged Is there an overcharge Is the installation space for the indoor and outdoor units proper Is there a short circuit in the indoor or outdoor units 1 Outdoor unit control PCB is faulty Replac...

Page 150: ...ormal YES NO NO NO Discharge pipe thermis tor replacement Defective outdoor unit PCB Replacement Is the unit normalized Discharge temperature error At cooling heating operation Is discharge temperature control normal Abnormal temperature sensed Is the actual measurement normal Check the unit side Check the unit side Insufficient refrigerant Charge the refrigerant measure Is it the oveload operatio...

Page 151: ...in 60 40 minutes Note 1 Values in show for the case of the FDCA801 1001 models 300 400 200 100 0 30 40 20 10 0 50 0 50 Temperature T C T 0 C T 0 C Is the outdoor air temperature thermistor connector connection OK Repair NO NO YES YES Is the outdoor air temperature thermistor characteristics OK is there no broken wire Defective outdoor air temperature thermistor Replacement Defective outdoor unit c...

Page 152: ...alues in show for the case of the FDCA801 1001 models Error display e40 NO YES Is the 63H1 operating The outdoor unit control PCB is faulty The 63H1 input circuit is faulty Replace 1 During Cooling Is the outdoor unit fan motor running Is there a short circuit in the outdoor unit Is there enough space for inlet and outlet 2 During Heating Is the indoor unit heat exchanger thermistor separated from...

Page 153: ...lash Keeps flashing Outdoor unit YES Is E52 Cooling operation E52 Heating operation displayed in the remote controller s screen The 52C is abnormal 12 Indoor unit Red LED Green LED Stays OFF Keeps flashing Red LED Green LED Lights contiously Keeps flashing Outdoor unit Error display e52 Note 1 Values in show in the case where 10 minutes or longer have passed since the compressor started Is the ser...

Page 154: ...rts If this condition is detected 3 times withhin 40 minutes 13 Defective suction pipe thermistor Only case of FDCA801 1001 type Indoor unit Red LED Green LED Stays OFF Keeps flashing Red LED Green LED 1 time flash Keeps flashing Outdoor unit Temperature C 15 10 5 0 10 30 40 20 50 5kΩ at 25 C Is the suction pipe thermistor connector OK Repair NO YES NO YES Are the suction pipe thermistor character...

Page 155: ...delay the compressor restarts If this state is detected 3 times in 40 minutes 16 Insufficient refrigerant volume Indoor unit Red LED Green LED Stays OFF Keeps flashing Red LED Green LED 1 time flash Keeps flashing Outdoor unit Error display e57 Is the service valve opened fully Are the connections of the connectors to the indoor heat exchanger and return air thermistor OK Are the characteristics o...

Page 156: ... on Is LM wire broken Is LM locked NO NO YES YES NO YES NO YES Defective indoor unit PCB Is the louver operated with the remote controller Operate more than 1 min later Replace LM Note 1 LM Louver motor Repair the wire Normal Defective indoor unit PCB Replacement Is the voltage betweenterminals 1 and 2 of connector CNS CNN1 AC220V YES NO Defective 20S Replacement Defective outdoor unit PCB Replace...

Page 157: ... DATA LOADING This message flashes while data are being read E8 ERROR DATA The data are then displayed beginning with item No 01 Displayed items are as shown below 7 Display the other data for when the error occurred in order from the currently displayed operation data No 01 using the or button Depending on the model items for which corresponding data do not exist are not displayed 8 To change the...

Page 158: ... following two kinds are displayed Lights continuously Under air conditioner operation Keeps flashing Under heating preparation Flashes 3 times when a signal is received from the remote controller Timer Check display Yellow The following three kinds are displayed Lights continuously Under timer operation Long lighting 2 seconds lighting 1 second stays OFF Filter sign Clean the air filter when this...

Page 159: ...y Wood screw for holder Installation manual Remote controller holder Quantity Quantity Name TIMER CHECK RUN TIMER CHECK RUN Receiver Check monitor Remote controller signal receiving part Backup switch Operation display light Green Lights continuously Under air conditioner operation Keeps flashing Under heating preparation At the time of heating operation 3 time flash Under reception of a remote co...

Page 160: ...ed as an accessory onto the indoor unit according to the panel installation manual Refer to 87 pages 2 Remove the air inlet grille Refer to 88 pages 3 Remove a corner panel located on the refrigerant pipe side Refer to 88 pages 4 Remove three screws and detach the cover indicated as a shadowed area from the indoor unit control box 2 Local setup 1 Remove the cover by unscrewing two screws from the ...

Page 161: ...ng 3 Place the wiring together with other wiring laid on site into the indoor unit 4 Connect the wiring to the terminal block provided in the control box as follows X Red Y White Z Black 5 Attach the wireless kit to the panel according to the panel installation manual Refer to 90 pages 6 Bundle redundant wiring together with other wiring laid on site Note 1 Ensure that wirings are not caught betwe...

Page 162: ...oor When illuminance doubles the receivable range drops to two thirds 3 Points for attention in connecting a plural number of indoor units Condition Illuminance at the receiver area 300 lux When no lighting fixture is located within 1m of PAC in an ordinary office When more than one unit are installed close each other Distance between units that can prevent them from making the same movement is 5m...

Page 163: ...PACKAGED AIR CONDITIONER Air Conditioning Refrigeration Systems Headquarters 16 5 2 chome Kounan Minato ku Tokyo 108 8215 Japan Fax 03 6716 5926 ...

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Summary of Contents for FDCA Series

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Mitsubishi Heavy Industries FDCA Series, Technical Manual, Page: 148 / 163

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