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4-2. Outdoor Unit

(RAS-18,22PAVSG-E)

(Unit : mm)

320

306

600

A detail Drawing (Back leg)

320

306

2- 11 x 14 Hole

(For

10 anchor bolt)

B Detail Drawing (Front leg)

25 Drain outlet

COVER-PV

Liquid side

(Flare Ø 6.35)

(Flare

∅

12.7)

Gas side

Service port

Ø8 - Ø

Ø6 hole

Ø11x14 hole

R15

320

R5.5

108

125

137

290

R15

320
342

FAN-GUARD

600

Ø 436

Z View

Installation dimension

Air outlel

100 or more

600 or more

Air intlel

600

FILE NO. SVM-17001

- 18 -

Содержание RAS-18PAVSG-E

Страница 1: ...SERVICE MANUAL March 2017 R32 Indoor Unit RAS 18PKVSG E RAS 22PKVSG E RAS 24PKVSG E SPLIT TYPE Outdoor Unit RAS 18PAVSG E RAS 22PAVSG E RAS 24PAVSG E FILE NO SVM 17001 ...

Страница 2: ...WIRING DIAGRAM 20 6 SPECIFICATIONS OF ELECTRICAL PARTS 22 7 REFRIGERANT CYCLE DIAGRAM 23 8 CONTROL BLOCK DIAGRAM 26 9 OPERATION DESCRIPTION 29 10 INSTALLATION PROCEDURE 58 11 HOW TO DIAGNOSE THE TROUBLE 75 12 HOW TO REPLACE THE MAIN PARTS 105 13 EXPLODED VIEWS AND PARTS LIST 130 FILE NO SVM 17001 2 ...

Страница 3: ...refrigerant R32 air conditioner circuit To prevent mixing of refrigerant or refrigerating machine oil the sizes of connecting sections of charging port on main unit and installation tools are different from those used for the conventional refrigerant units Accordingly special tools are required for the new refrigerant R32 units For connecting pipes use new and clean piping materials with high pres...

Страница 4: ...IS MIXED IN THE REFRIGERANT THE GAS PRESSURE IN THE REFRIGERATION CIRCUIT WILL BECOME ABNORMALLY HIGH AND IT MAY RESULT IN THE PIPE BURSTING AND POSSIBLE PER SONNEL INJURIES IN THE EVENT THAT THE REFRIGERANT GAS LEAKS OUT OF THE PIPE DURING THE SERVICE WORK AND THE INSTALLATION WORK IMMEDIATELY LET FRESH AIR INTO THE ROOM IF THE REFRIGERANT GAS IS HEATED SUCH AS BY FIRE GENERATION OF POISONOUS GAS...

Страница 5: ...nstallation height of the appliance in m 0 6 m for ﬂoor standing 1 8 m for wall mounted 1 0 m for window mounted 2 2 m for ceiling mounted For these units recommend installation height 2 5 m Comply with national gas regulations CAUTION Exposure of unit to water or other moisture before installation could result in electric shock Do not store it in a wet basement or expose to rain or water After un...

Страница 6: ...18PAVSG E RAS 22PAVSG E Dimension Height mm 550 550 Width mm 780 780 Depth mm 290 290 Net weight kg 34 34 Compressor Motor output W 1050 1050 Type Model KTN130D30UFZ Fan motor output W 43 Air flow rate Cooling Heating m3 min 36 3 31 9 36 4 36 4 Piping Type Flare connection connection Indoor unit Liquid side mm 6 35 6 35 Gas side mm 12 70 12 70 Outdoor unit Liquid side mm 6 35 6 35 Gas side mm 12 7...

Страница 7: ...put W 1100 Type Model DX151A1T 30N Fan motor output W 70 Air flow rate Cooling Heating m3 min 48 6 48 6 Piping Type Flare connection connection Indoor unit Liquid side mm 6 35 Gas side mm 12 70 Outdoor unit Liquid side mm 6 35 Gas side mm 12 70 Maximum length m 25 Maximum charge less length m 15 Maximum height difference m 15 Refrigerant Name of refrigerant R32 Weight kg 1 14 Wiring Power supply 3...

Страница 8: ...0 0 60 0 80 0 100 0 120 0 15 10 5 10 Heating Capacity ratio 5 0 Outside Temperature ºC Capacity ratio 100 6 00kW RAS 18PKVSG E 7 00kW RAS 22PKVSG E 8 00kW RAS 24PKVSG E Conditions Indoor DB 20oC WB 15oC Outdoor DB 7oC WB 6oC Indoor Air Flow High Pipe Length 7 5m Voltage 230V RAS 22PKVSG E RAS 18PKVSG E RAS 24PKVSG E 40 0 45 0 50 0 55 0 60 0 65 0 70 0 75 0 80 0 85 0 90 0 95 0 100 0 105 0 32 33 34 3...

Страница 9: ...aces where installation repairs or similar work on air conditioning equipment is performed 3 If a refrigeration gas leakage occurs during installation servicing be sure to ventilate fully If the refrigerant gas comes into contact with fire a poisonous gas may occur 4 When installing or removing an air conditioner do not allow air moisture dust or oil to remain in the refrigeration cycle Otherwise ...

Страница 10: ...t joints Nominal diameter 1 4 3 8 1 2 5 8 Reference outer diameter of copper pipe jointed mm 6 35 9 52 12 70 15 88 Minimum joint thickness mm 0 50 0 60 0 70 0 80 3 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil than lubricating oils used in the installed air ...

Страница 11: ... 5 0 to 0 5 0 to 0 5 0 to 0 5 Conventional flare tool Clutch type Wing nut type 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 3 2 4 Dimensions related to flare processing for R22 Nominal diameter 1 4 3 8 1 2 5 8 Outer diameter mm 6 35 9 52 12 70 15 88 Thickness mm 0 8 0 8 0 8 1 0 A mm Flare tool for R22 clutch type 0 to 0 5 0 to 0 5 0 to 0 5 0 to 0 5...

Страница 12: ...ue for R32 is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tighten ing torque comply with values designated by manufacturers Table 3 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer ...

Страница 13: ...rge hose Vacuum pump adapter Electronic balance for refrigerant charging Leakage detector Usage Pipe flaring Flaring by conventional flare tool Connection of flare nut Evacuating refrigerant charge run check etc Vacuum evacuating Refrigerant charge Gas leakage check R32 R410A air water heat pump installation Existence of new equipment for R32 Yes Yes Yes Yes Yes Yes Yes Whether conven tional equip...

Страница 14: ...e connecting port of the electronic balance and charge liquid refrigerant Indoor unit Outdoor unit Opened Opened Refrigerant cylinder with siphon Check valve Open close valve for charging Electronic balance for refrigerant charging Opened Closed Service port 3 4 Recharging of Refrigerant When it is necessary to recharge refrigerant charge the specified amount of new refrigerant according to the fo...

Страница 15: ...hor bronze brazing filler is generally used to join copper or copper alloy 3 Low temperature brazing filler Low temperature brazing filler is generally called solder and is an alloy of tin and lead Since it is weak in adhesive strength do not use it for refrigerant pipes 1 Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution which may cause a gas ...

Страница 16: ...ux which does not contain chlorine 3 When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water 4 Remove the flux after brazing 3 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified In order to prevent the oxide film from occurring in the pipe i...

Страница 17: ...r Connecting pipe 0 39m Installation plate hanger Connecting pipe 0 49m Flare 6 35 Flare 12 70 42 222 126 213 Installation plate hanger 219 213 140 525 Installation plate outline Center line Hanger Hanger Outline of indoor unit For stud bold 6 For stud bold 8 10 Hanger 786 85 23 235 215 215 235 320 40 6 5 47 215 5 262 5 262 5 109 6 5 40 153 5 149 17 5 63 18 174 Wireless remote controller Remote co...

Страница 18: ...Ø25 Drain outlet COVER PV Liquid side Flare Ø6 35 Flare 12 7 Gas side Service port Ø Ø8 Ø Ø6 hole 86 Ø6 hole Ø11x14 hole R15 28 A 320 R5 5 36 108 125 50 137 92 5 4 290 550 Z R15 50 36 320 342 FAN GUARD 90 600 90 275 Ø 436 69 Z View Installation dimension Air outlel 100 or more 100 or more 600 or more 600 or more Air intlel 600 320 FILE NO SVM 17001 18 ...

Страница 19: ...ing Front leg 299 Electrical part Liquid side Flare 6 35 Gas side View Z Service port 330 316 630 330 106 29 137 92 330 316 5 4 318 100 600 99 69 FAN GUARD 440 351 330 COVER PV ViewZ 2 11 x 14 Long holes For 8 10 anchor bolt Installation dimension Air outlel 100 or more 100 or more 600 or more 600 or more Air intlel 600 320 2 R5 5 x 17L Ushape For 8 10 anchor bolt Flare 12 70 FILE NO SVM 17001 19 ...

Страница 20: ...5 WIRING DIAGRAM 5 1 RAS 18PKVSG E RAS 18PAVSG E RAS 22PKVSG E RAS 22PAVSG E FILE NO SVM 17001 20 ...

Страница 21: ...5 2 RAS 24PKVSG E RAS 24PAVSG E FILE NO SVM 17001 21 ...

Страница 22: ...012 000313 DC 12V 4 4 Way valve coil SQ A2522G 000352 AC 220 240V 5 Reactor RAS 18 22 CH 69 Z T L 19mH 10A 6 Suction temp sensor TS sensor Inverter attached 10kΩ at 25 C 7 Discharge temp sensor TD sensor Inverter attached 62kΩ at 20 C 8 Outside air temp sensor TO sensor Inverter attached 9 Heat Exchanger temp sensor TE sensor Inverter attached 10kΩ at 25 C 10 Terminal block RAS 18 22 5 poles JXO 5...

Страница 23: ...hickness 0 8mm Sectional shape of heat insulator Allowable height difference 12m Allowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Pulse Modulating valve at liquid side TD 4 way valve Compressor KTN130D30UFZ TS T2 Outdoor heat exchanger Temp measurement Propeller fan OUTDOOR UNIT Muffler Strainer Max 20m Min 2m Chargeless 15m Split capillary TE RAS 18PKV...

Страница 24: ...lowable pipe length P Pressure measurement Gauge attaching port Vacuum pump connecting port Deoxidized copper pipe Outer dia 12 7mm Thickness 0 8mm Pulse Modulating valve at liquid side TD 4 way valve Compressor DX151A1T 30N TS T2 Outdoor heat exchanger Temp measurement Propeller fan OUTDOOR UNIT Suc Tank Muffler TE TC TA Max 25m Min 2m Chargeless 15m TO Strainer 7 2 RAS 24PKVSG E RAS 24PAVSG E St...

Страница 25: ... 0 to 1 1 10 to 12 48 to 50 High High 66 22PKVSG E 1 1 to 1 2 9 to 11 49 to 51 High High 87 24PKVSG E 1 0 to 1 1 11 to 13 49 to 52 High High 88 condition C Tempeature Heat exchanger pipe temp Model name Standard Indoor Outdoor Compressor RAS pressure fan mode fan mode revolution Indoor Outdoor P MPa T1 C T2 C rps 20 7 6 2 8 to 3 0 42 to 44 0 to 1 High High 81 2 9 to 3 1 43 to 45 0 to 1 High High 9...

Страница 26: ... LED brightness dim Serial Signal Communication Functions M C U Indoor Unit Control Panel Power Supply Remote Control Heat Exchanger Sensor Temperature Sensor Infrared Rays Signal Receiver Infrared Rays Initiallizing Circuit Clock Frequency Oscillator Circuit Louver Motor 36 7KHz Power Supply Circuit Noise Filter Indoor Fan Motor Timer Display Operation Display Louver Driver Louver ON OFF Signal S...

Страница 27: ...nction Input current release control IPM over current detect control Outdoor fan control High power factor correction control Inverter output frequency control A D converter function P M V control Discharge temp control 4 way valve control Signal communication to indoor unit P M V Pulse Motor Valve M C U Micro Control Unit M C U For INDOOR UNIT 4 way valve P M V Inverter DC AC Inverter DC AC Outdo...

Страница 28: ...U Micro Control Unit For INDOOR UNIT 4 way valve P M V Inverter DC AC Gate drive circuit Gate drive circuit Inverter DC AC Outdoor Fan motor Compressor MCC 1645 P C B OUTDOOR UNIT Current detect Current detect M C U PWM synthesis function Input current release control IGBT over current detect control Outdoor fan control High power factor correction control Inverter output frequency control A D con...

Страница 29: ...tion command signal Serial signal from outdoor unit controller to indoor unit controller The following signals are sent from the outdoor unit controller The current operation mode The current compressor revolution Outdoor temperature Existence of protective circuit operation For transferring of these signals the indoor unit controller monitors the contents of signals and judges existence of troubl...

Страница 30: ...ion 45 11 Discharge temperature control 45 12 High pressure control 46 13 Self Cleaning function 47 14 Remote A or B selection 49 9 3 Auto Restart Function 9 3 1 How to Set the Auto Restart Function 52 9 3 2 How to Cancel the Auto Restart Function 53 9 3 3 Power Failure During Timer Operation 53 20 9 4 Remote Controller and Its Fuctions 9 4 1 Parts Name of Remote Controller 54 9 4 2 Operation of r...

Страница 31: ...setup Air direction Swing Air volume select AUTO QUIET LOW LOW MED MED HIGH ECO ON timer setup OFF timer setup Hi POWER Selection of operation conditions ON OFF COMFORT SLEEP QUIET PRESET ONE TOUCH POWER SELECTION Indoor unit control Power relay signal Serial transmission Serial signal Inverter Transmission Signal receiving Outdoor unit Indoor unit control Command signal generating function for in...

Страница 32: ...r fan is operated according to the contents of 2 Indoor fan motor control and the louver according to the contents of 9 Louver control respectively 3 The outdoor unit controls the outdoor fan motor compressor pulse Modulating valve and 4 way valve according to the operation signal sent from the indoor unit Remote control settings Operation ON Indoor unit control Operation command signal transmissi...

Страница 33: ... operation Selection of operation mode As shown in the following figure the operation starts by selecting automatically the status of room temperature Ta when starting AUTO operation 1 When reselecting the operation mode the fan speed is controlled by the previous operation mode 1 Detects the room temperature Ta when the operation started 2 Selects an operation mode from Ta in the left figure 3 Fa...

Страница 34: ...an speed and air flow volume broadly vary with position Fig 1 Fig 2 2 5 Ta C 2 0 1 5 1 0 0 5 Tsc a b c d e M WC 3 4 5 L W7 Air volume AUTO L L M M H W7 L M 2 WA M H 2 WD Indication Fan speed Fan speed setup COOL ON AUTO MANUAL 3 Fan speed M L x 3 4 L 4 Fan speed M L x 2 4 L 5 Fan speed M L x 1 4 L Linear approximation from M and L Quiet W5 of louver 1 When setting the fan speed to L L M M H or Qui...

Страница 35: ... L L 700 555 640 482 770 617 680 531 W6 L L 620 457 640 482 660 482 680 531 W5 UL UL L 550 371 600 433 550 371 600 433 W4 UL 550 371 600 433 550 371 600 433 W3 SUL SUL 540 359 520 334 540 359 520 359 W2 SUL 520 334 520 334 520 334 520 334 W1 500 310 500 310 500 310 500 310 RAS 22PKVSG E Made RAS 18PKVSG E Fan speed level Cooling Heating Cool Heat Dry Fan speed Air flow rate Fan speed Air flow rate...

Страница 36: ... 1 5 e 2 0 f 2 5 g 5 0 5 5 L W9 M WD 1 2 3 H WE H WE Line approximate H and SUL with Tc SUL W2 Stop 46 46 Tc 34 45 45 33 33 33 21 32 32 20 A 4 A 4 A 4 A 4 A 4 A 4 Fan speed MANUAL in starting Fan speed AUTO in stability Fan speed AUTO in starting L L M M H W8 L M 2 WA M H 2 WE Indication Fan speed Fan speed setup HEAT ON AUTO YES NO MANUAL TC 42 C Min air flow rate control Tc 52 51 42 41 Limited t...

Страница 37: ... the outdoor fan shown in the table is selected Air conditioner ON Remote controller YES YES NO NO Indoor unit controller Fan motor ON 3 Fan lock 4 Motor operates as shown in the table below 1 Outdoor unit operation command Outdoor fan control Air conditioner OFF Alarm display 2 Fan speed 400 by strong wind when the motor OFF Fan motor OFF continues Use wind for heat exchanging 30 6 Hz RAS 24PAVSG...

Страница 38: ...compressor drive circuit does not exceed the specified value 5 Current release control Outdoor temp To Setup of current release point Current decrease Outdoor unit inverter main circuit control current High Low Reduce compressor speed Operating current Setup value Capacity control continues 1 The input current of the outdoor unit is detected in the inverter section of the outdoor unit 2 According ...

Страница 39: ...ssor speed is kept Q zone When temperature of the indoor heat exchanger drops in the range from 48 C to under 55 C the compressor speed is kept Q zone 2 When temperature of the indoor heat exchanger rises to 55 C or higher the compressor speed is reduced P zone 3 When temperature of the indoor heat exchanger does not rise to 52 C or when it drops below to 48 C the capacity control operation return...

Страница 40: ...r heat exchanger becomes 38 C or lower stop the indoor fan Finish of defrost operation Returning conditions from defrost operation to heating operation 1 Temperature of outdoor heat exchanger rises to 8 C or higher 2 Temperature of outdoor heat exchanger is kept at 5 C or higher for 80 seconds 3 Defrost operation continues for 15 minutes Returning from defrost operation 1 Stop operation of the com...

Страница 41: ...mory by the microcomputer The angle of the louver is indicated as the louver closes fully is 0 mode COOL HEAT and the louver returns to the stored position when the next operation is performed Cooling Heating memory position 1 Louver position in cooling operation Wide air direction Wide angle Right wide Left wide Spot air direction Spot front Spot right Spot left Initial setting of Cooling storage...

Страница 42: ...iption Louver position in heating operation Wide air direction Wide angle Right wide Left wide Spot air direction Spot front Spot right Spot left Heating operation AUTO HEAT Initial setting of Heating storage position Louver Directs downward 80 5 FILE NO SVM 17001 42 ...

Страница 43: ...d Position before start swing Upper Limit Position Lower Limit Position 30 o 5 o Swing range 35 o Swing When pressing SWING button during operation the louver starts swinging Upper Limit Position Lower Limit Position Fixed Position before start swing 17 5 o 17 5 o Swing range 35 o Front blowing Left blowing Right blowing Front blowing The Left Right louver position can be arbitrarily set up by pre...

Страница 44: ...in 6 x 3 COOL min 9 DRY max COOL min 6 x 2 COOL min 8 DRY max COOL min 6 x 1 COOL min C during the ECO operation 3 5 3 0 2 5 1 5 1 0 TSC 1 0 2 0 5 5 1H 2H 11 10 7 6 5 4 3 2 1 OFF Dry Max 12 11 9 8 10 6 0 6 5 3H 4H 5 0 4 5 4 0 2 0 0 5 0 5 12 9 8 Time Zone Frequency FAN Min Hz The indoor fan speed is not controlled and can be selected Heating operation 1 The difference of room temperature and set te...

Страница 45: ... lamp ON Press RESET button Did you press RESET button for 3 seconds or more Did you press RESET button for 10 seconds or more Switch to AUTO RESTART control YES YES NO NO NO YES Temporary AUTO operation Temporary COOL Operation 11 Discharge temperature control 1 Purpose This function detects error on the refrigerating cycle or error on the com pressor and performs protective control 2 Operation C...

Страница 46: ...Initialize In this time Click sound may be heard 2 Adjust the open degree of valve by super heat amount SH control 3 If the discharge temperature was exces sively up adjust the open degree of valve so that it is in the range of set tempera ture Discharge temp control SH Super Heat amount Ts Temperature of suction pipe of the compressor Tc or Te Heat exchanger temperature at evaporation side PMV Pu...

Страница 47: ...eration performed prior to the reception of the stop code 3 After the Self Cleaning operation has been performed for the specified period the unit stops operating Unit now performing cooling or dry operation Press STOP button Only timer indicator lights and Self Cleaning operation starts Time set now elapses Operation stops function During Self Cleaning operations The louver opens slightly The ind...

Страница 48: ...confirm setting Note Table above will show current status of Self Cleaning function Set or Cancel Self Cleaning function by push the RESET button on air conditioner When setting is changed the sound warning will alarm Beep The setting is changed following below 14 1 2 Self Cleaning function release How to set cancel Self Cleaning function To set cancel the Self Cleaning function proceed as follows...

Страница 49: ...r 9hr 1hr 3hr 5hr or 9 hr cooling load and less heating load condition Because of the fan speed may not enough the cooling capacity or heating capacity 17 COMFORT SLEEP 15 Remote A or B selection 1 Purpose This operation is to operate only one indoor unit using one remote controller 2 Description When operating one indoor unit in a situation where two indoor units have been installed in the same r...

Страница 50: ... mode can not be set in Dry operation The Hi POWER operation will be cancelled when press Hi POWER button again 18 Short Timer In the normal condition after switching one circuit breaker 3 minute delay time for compressor and 1 hour for plasma air purifier are set for the maintenance of the unit Purpose To start the unit immediately for the purpose of testing trial etc short timer can be used main...

Страница 51: ...50 All lamps are turned off All turned off and the lamp illuminates for 5 seconds before In the examples of going off FAN To decrease the display lamp brightness or turn it off 21 Operation mode setectable 2 1 Purpose Choosing the operating system as appropriate in real condition Operation Factory default setting prefer Heat pump system Through it is able to cooling only system heating only system...

Страница 52: ...s indoor unit is equipped with an automatic restarting function which allows the unit to restart operating with the set operating conditions in the event of a power supply being accidentally shut down The operation will resume without warning three minutes after power is restored This function is not set to work when shipped from the factory Therefore it is necessary to set it to work 9 3 1 How to...

Страница 53: ...te at this time press RESET button once more or use the remote controller to turn it on 9 3 2 How to Cancel the Auto Restart Function To cancel auto restart function proceed as follows Repeat the setting procedure the unit receives the signal and beeps three times The unit will be required to be turned on with the remote controller after the main power supply is turned off When the system is on st...

Страница 54: ... Up Down button FIX X 8 On timer button ON 9 Off timer button OFF Setup button SET Clear button CLR Memory and Preset button PRESET AIR FLOW selection button AIR FLOW High power button Hi POWER Economy button ECO Set louver Left Right button FIX W Comfort sleep button COMFORT SLEEP Filter reset button FILTER Note 9 4 2 Operation of remote control 1 AUTOMATIC OPERATION To automatically select cooli...

Страница 55: ...on a daily basis Setting Daily Timer During the daily timer is activation both arrows are indicated or Note Keep the remote control in accessible transmission to the indoor unit otherwise the time lag of up to 15 minutes will occur The setting will be saved for the next same operation MODE HiPOWER 5 ECO OPERATION To automatically control room to save energy except in DRY and FAN ONLY mode Press St...

Страница 56: ...l increase automatically 0 5 degree hour for 4 hours maximum 2 degrees increase QUIET 9 AUTO RESTART OPERATION To automatically restart the conditioner after the power failure Power of the unit must be on Setting 1 Press and hold the RESET button on the indoor unit for 3 seconds to set the operation 3 beep sound and OPERATION lamp blink 5 time sec for 5 seconds Do not operate ON timer and OFF time...

Страница 57: ...ndicator remote controller When the remote controller switching function is set B appears in the remote controller display When the remote controller setting is A there is no indication at this position 10 Comfort sleep Indicates when comfort sleep is activaled Push comfort sleep button to select 11 Swing Indicates when louver is swing Push swing button to start the swing operation and push it aga...

Страница 58: ...lation plate Hook 50 mm or more 300 mm or more 170 mm or more 600 mm or more 100 mm or more 100 mm or more 600 mm or more 600 mm or more The provided Remote Controller is a wireless type which also can be used as a wire Please see How to Connect The Remote Controller for Wired Operation in case of wired control is required For the rear left and left piping Wall Make sure to run the drain hose slop...

Страница 59: ... 1 Optional installation parts 10 2 Installation Fixing bolt arrangement of outdoor unit Part code Parts name Q ty A One each B Pipe insulating material polyethylene foam 6 mm thick 1 C Putty PVC tapes One each Refrigerant piping Liquid side Ø6 35 mm Gas side Ø12 70 mm RAS 18 22PAVSG E RAS 24PAVSG E 125 mm 108 mm 28 mm 320 mm 600 mm 90 mm Drain outlet 86 mm 102 mm Ø 2 5 m m Air outlet Air inlet 12...

Страница 60: ...dust tuck or covers the filter 1 Recommend to use vacuum to clean by sucking the dusts which stick or dip inside the filter or use the blower to blow the dust go out through the filter 2 If necessary to use water to clean simply use the plain water to wash the filter dry with the sunlight for 3 4 hours or until it completely dry Nevertheless use hair drier to dry it However washing with water it m...

Страница 61: ...have been changed to 1 2 UNF 20 threads per inch When purchasing a charge hose be sure to confirm the port size As pressure is high and gasification speed is fast it is difficult to read the indicated value by means of charging cylinder as air bubbles occur The size of opposite sides of flare nuts have been increased Incidentally a common wrench is used for nominal diameters 1 4 and 3 8 By increas...

Страница 62: ...hen installing the refrigerant pipes from the rear 1 After determining the pipe hole position on the mounting plate A drill the pipe hole 65 mm at a slight downward slant to the outdoor side NOTE When drilling a wall that contains a metal lath wire lath or metal plate be sure to use a pipe hole brim ring sold separately Mounting the installation plate Fig 10 3 3 Fig 10 3 2 Remote A place which pro...

Страница 63: ...ck brick concrete or similar type walls make 5 mm dia holes in the wall Insert clip anchors for appropriate mounting screws 6 Mounting screw 4 x 25 s s s s s 2 Wire size 28 22AWG or 0 08 0 32 mm2 Outer diameter not over 4 7 mm control wire length 30 m or less 70 mm 5 mm For indoor unit 1 2 3 4 5 6 Open two screw cap and securely remove two screws at the front panel Slightly open the lower part of ...

Страница 64: ...of batteries explosion Make hole for insert control wire by use screwdriver break the polyester sheet as shown on ﬁgure 4 Insert control wire from rear side of remote controller as shown on ﬁgure 5 Remark 1 Recommend to use double insulation lead wire for connect remote control and air conditioner 2 3 For wire operation 1 remote control can control only 1 indoor unit In wire operation remote contr...

Страница 65: ...r left piping After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Fig 10 3 14 In case of bottom right or bottom left piping After scribing slits of the front panel with a knife or a making off pin cut them with a pair of nippers or an equivalent tool Slit Slit Fig 10 3 15 Left hand connection with piping Bend the connecting...

Страница 66: ...onnecting pipe through the pipe hole connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them 10 3 5 Indoor unit fixing 1 Pass the pipe through the hole in the wall and hook the indoor unit on the installation plate at the upper hooks 2 Swing the indoor unit to right and left to confirm that it is firmly hooked up on the installation plate 3 While pressing the indoor...

Страница 67: ...from the unit Improper drainage can result in dew dropping This air conditioner has the structure designed to drain water collected from dew which forms on the back of the indoor unit to the drain pan Therefore do not store the power cord and other parts at a height above the drain guide Fig 10 3 22 Drain hose Inside the room Shield pipe Extension drain hose Do not put the drain hose end in the dr...

Страница 68: ...s directly To protect the outdoor unit from snow accumulation install a holding frame and attach a snow protection Do not use a double stacked desing hood and plate Snow protection plate Snow protection hood At least 50 cm Snow accumulation line Holding frame Front Anchor bolts Install at least 50 cm above the snow accumulation line CAUTION 1 Insall the outdoor unit in a location where there are n...

Страница 69: ...damage to the refrigerant cycle Using a vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that inside oil of the pump does not flow backward into pipes of the air conditioner when the pump stops If oil inside of the vacuum pump enters into the air conditioner which use R32 refrigeration cycle trouble may result 1 Connect the charge hose from the manif e to old valv ...

Страница 70: ... 4 2 kgf m 8 12 N m 0 8 to 1 2 kgf m 14 18 N m 1 4 to 1 8 kgf m Packed valve handling precautions Pressure gauge Manifold valve 101 kPa 76 cmHg Handle Lo Connecting pipe Compound pressure gauge Vacuum pump Handle Hi Keep full closed Charge hose For R32 only Vacuum pump adapter for counter flow prevention For R32 only Packed valve at gas side Service port Valve core Setting pin Packed valve at liqu...

Страница 71: ...he electric parts cover and the cord clamp from the outdoor unit 2 Connect the connecting cable to the terminal as identif edbythematchingnumbersontheterminal block of indoor and outdoor unit 3 Insert the power cord and the connecting cable carefully into the terminal block and secure it tightly with screws 4 Use vinyl tape etc to insulate the cords which are not going to be used Locate them so th...

Страница 72: ...ing cable Stripping length of the connecting cable 3 50 mm Earth line 10 mm 70 mm 10 mm Connecting cable Earth line Connecting cable Terminal block Connecting cable connect to L 2 3 Terminal block L N 1 2 3 Earth line Connecting cable Connecting cable Stripping length of the connecting cable 3 2 L Earth line 50 mm 10 mm 70 mm 10 mm Connecting cable Earth line Earth line Connecting cable Power cord...

Страница 73: ...e use with air conditioner 3 Circuit breaker must be used for the power supply line of this air conditioner 4 Be sure to comply power supply and connecting cable for size and wiring method 5 Every wire must be connected firmly 6 Perform wiring works so as to allow a general wiring capacity 7 Wrong wiring connection may cause some electrical part burn out 8 Incorrect or incomplete wiring is carried...

Страница 74: ...wer supply and connecting cable for size and wiring method 5 Every wire must be connected firmly 6 Perform wiring works so as to allow a general wiring capacity 7 Wrong wiring connection may cause some electrical part burn out 8 Incorrect or incomplete wiring is carried out it will cause an ignition or smoke 9 This product can be connected to main power supply Connection to fixed wiring A switch w...

Страница 75: ... the display and 00 will disappear and the air conditioner will turn OFF The Remote Control B NOTE 1 Repeat above step to reset Remote Control to be A 2 Remote Control A has not A display 3 Default setting of Remote Control from factory is A 10 6 2 Remote Control A B Selection is memorized Picture Picture 1 2 10 6 3 Test operation To switch the TEST RUN COOL mode press RESET button for 10 sec The ...

Страница 76: ...electric shock may be caused in case of touching parts on the P C board by hand The new inverter will be incorporated starting with this unit K The control circuitry has an uninsulated construction No 1 2 3 4 5 Troubleshooting Procedure First Confirmation Primary Judgment Judgment by Flashing LED of Indoor Unit Self Diagnosis by Remote Controller Judgment of Trouble by Every Symptom No 6 7 8 9 10 ...

Страница 77: ...irst turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Laying the board flat on an electrically conductive object such as the top panel of the air conditioner s outdoor unit while a charge is still retained by the electrolytic capacitors of the inverter s main circuit may cause short circuiting between the electr...

Страница 78: ...rd and then perform discharging Inverter cover P C board Soldered surface Fig 11 3 RAS 18 22 PAVSG E CAUTION A high voltage equivalent to the supply voltage is also energized to ground through the sensors PMV and other low voltage circuits The sensor leads and other wires are covered with insulated tubes for protection Nevertheless care must be taken to ensure that these wires are not pinched Take...

Страница 79: ...g section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc Discharging method 1 Remove the inverter cover plating by opening four mounting claws 2 As shown below connect the discharge resistance approx 100Ω40W or plug of the soldering iron to voltage between terminals of the C10 CAUTION HIGH VOLTAGE is indicated electr...

Страница 80: ...creasing of compressor motor speed stops approx 30 seconds after operation started and then compressor motor speed increases again approx 30 seconds after In AUTO mode the operation mode is changed In HEAT mode the compressor motor speed does not increase up to the maxi mum speed or decreases before the temperature arrives at the set temperature Description The OPERATION lamp of the indoor unit fl...

Страница 81: ...a part of item E occur concurrently priority is given to the block of item B 3 The check codes can be confirmed on the remote controller for servicing OPERATION Flashing display 1 Hz OPERATION TIMER Flashing display 5 Hz OPERATION Flashing display 5 Hz OPERATION TIMER White Flashing display 5 Hz OPERATION Flashing display 5 Hz Protective circuit operation for indoor P C board Protective circuit op...

Страница 82: ...lt with a code the indoor unit will beep once Beep and the display of the remote controller will change as follows The TIMER indicator of the indoor unit flashes continuously 5 times per 1 sec Check the unit with all 52 check codes to as shown in Table 11 3 1 Press ON or OFF button to change the check code backward If there is a fault the indoor unit will beep for 10 seconds Beep Beep Beep Note th...

Страница 83: ...oom Operation Flashes when 1 Check the sensor TA and connection board temperature sensor is continues error is detected 2 In case of the sensor and its short Circuit or disconnection connection is normal check the P C board TC sensor The heat Operation Flashes when 1 Check the sensor TC and connection exchanger temperature continues error is detected 2 In case of the sensor and its sensor of the i...

Страница 84: ...or unit open 4 The outdoor unit abnormal stop at circuit of signal some time Signal circuit of indoor If the other check codes are found P C board or outdoor concurrently check them together P C board is failure Check protector hardware such in some period as Hi Pressure switch Thermal Relay etc Check refrigerant amount or any possibility case which may caused high temperature or high pressure Che...

Страница 85: ...hes after Even if trying to operate again all inverter P C board error error is detected operations stop replace inverter 4 times P C board All OFF Flashes after error is detected 4 times 1 Check sensors TE TS connection In case of sensors and it s connection is normal check the inverter P C board 2 Check 4way valve operation position In case TE TS detected temperature relationship are different f...

Страница 86: ...rror count comes 4 or 8 times record error to check code But after re starting operation if no error is detected and air conditioner can operate more than 6 minutes error count is cleared The others Return signal of the outdoor Indoor unit Flashes when 1 Check power supply Rate 10 including unit has been sent when operates error is detected 2 If the air conditioner repeat operates compressor opera...

Страница 87: ...Flashes after 1 Check sensors TD exceeded 117o C error is detected 2 Check refrigerant amount 4 times 3 Check P M V by measure the resistance of the coil and confirm its operation sound of initial operation etc 4 Observe any possibility cause which may affect high temperature of compressor Compressor is high current All OFF Flashes after 1 Check installation conditions such as though operation Hz ...

Страница 88: ... the indo unit by using diode Measure voltage at terminal block of the indoor unit between No 2 and No 3 or L2 and S If signal is varied 15 60V continuously replace inverter P C board If signal is not varied replace indoor P C board 4 Check and clean heat exchanger area Indoor and Outdoor unit Instantaneous power failure Some protector hardware of the outdoor unit open circuit of signal Signal cir...

Страница 89: ...er Is voltage DC5V 12V and 15V indicated on rear of indoor control board nor mal Does transmission mark on remote controller flash normally and is its signal transmitted properly Item by symptoms Operation Check Item Considerable principle cause Measures Remote controller is defective Refer to 5 Troubleshooting for remote controller Unit operates normally Replace main P C board Replace fan motor I...

Страница 90: ...nfirmation procedure YES YES NO NO Turn on power supply Does operation lamp flash Is it wired as shown in Figure below Return the wiring of the power relay is returned to the normal procedure To the paragraph of No Power turns on CN28 WP 038 02 FILE NO SVM 17001 89 ...

Страница 91: ...ondition within 15 seconds after starting unit Start to operate the indoor unit in except heating operation At this time is it possible to detect DC 1V or more between 5 and 3 of motor connector CN36 Is it possible to detect DC 311 340V between 1 and 3 of motor connector CN36 Motor connection condition Is it possible to detect DC 15V between 4 and 3 of motor connector CN36 Is it possible to detect...

Страница 92: ...ow level to HIGH Is it possible to rotate cross flow fan by hand properly Fan motor operates normally Replace bearing of cross flow fan YES YES YES NO NO NO Does check cross flow fan bearing normal condition Replace indoor fan motor Replace main P C board Does check display on remote show high Change the new PC board Does fan speed change Replace remote Replace motor NO NO NO YES YES YES FILE NO S...

Страница 93: ...over of the fan motor lead wires 3 Check DC voltage with CN36 connector while the fan motor is rotating NOTE Do not disconnect the connector while the fan motor is rotating Use a thin test rod Indoor fan starts rotating when power supply is turned on Check output DC voltage of fan motor on P C board Measure voltage between 3 GND BLACK and 5 V line YELLOW of motor connector CN36 while indoor fan mo...

Страница 94: ...5 cm distance from the radio P C board is failure Replace P C board Is operation possible when the transmitter is moved nearer to the infrared signal receiver of the air conditioner Battery life Replace the batteries Dose the transmission indicator light Is there any beep and operation Normal Remote control is failure Replace remote control Push the button YES There is no beep from the indoor unit...

Страница 95: ...nsmission from indoor unit to outdoor unit is correctly performed based upon the follow ing diagram NOTE Measurement should be performed 2 minutes and 30 seconds after starting of the operation Be sure to prepare a diode for judgment Normal time Voltage swings between DC15 and 60V Inverter Assembly check 11 7 1 Abnormal time Voltage does not vary 2 Outdoor unit stops in a little while after operat...

Страница 96: ...s if pressure is low Is connecter of coil connected to inverter Is coil of the pulse motor valve P M V correctly set Existence of condensation at outlet of P M V If there is condensation at outlet 1 4 inch Ø6 35mm valve side the valve is clogged Are temp sensors of indoor outdoor units correctly set to the holder NOTE The temperature sensors which are used to control pulse motor valve include indo...

Страница 97: ...ed or short circuited Is not frame grounded with Q R or S Summary If fuse was blown be sure to check the electrolytic capacitor and diode block DB01 Connect discharge resistance approx 100Ω 40W or soldering iron plug between terminals of the electro lytic capacitor 760µF of C07 with printed WARNING ELECTRIC SHOCK on P C board OK if 760µF DC280 to 380V Remove CN31 whilepushing the part indicated by...

Страница 98: ... supply Check 25A fuse F01 failure Remove connector of compressor Replace control board Check terminal Voltage of electrolytic capacitor are in Voltage Rate Turn ON power Supply NO 10 x 1 414 Replace control board NO Cooling 17 C Connect discharge resistance approx 100Ω 40W or soldering iron plug between terminals of the electrolytic capacitor 760µF of C10 with printed CAUTION HIGH VOLTAGE on P C ...

Страница 99: ...300 of outdoor fan motor Check winding resistance by ohmmeter are correct Check rotor locking by rotate Turn OFF power supply Replace outdoor fan motor NO Replace compressor Replace control board Replace compressor YES Does compresser operate normally with hand Can it rotate Turn OFF power supply Check compressor winding resistance correct is in rate A NO NO YES NO FILE NO SVM 17001 98 ...

Страница 100: ...ts 11 8 1 How to Check the P C Board Indoor Unit 1 Operating precautions 1 When removing the front panel or the P C board be sure to shut off the power supply breaker 2 When removing the P C board hold the edge of the P C board and do not apply force to the parts 3 When connecting or disconnecting the connectors on the P C board hold the whole housing Do not pull at the lead wire 2 Inspection proc...

Страница 101: ...01 line filter L01 resistor R02 or the diode DB01 is defective 3 IC11 R105 R117 and T 01 are defective 4 IC11 IC14 C112 and T 01 are defective IC51 and IC52 are defective The indicators are defective or the housing assembly CN10 is defective 1 The temperature of the indoor heat exchanger is extremely low 2 The connection of the heat ex changer sensor is loose The connector is disconnected CN62 3 T...

Страница 102: ...emperature C TA TC TO TS TE TD 1 Sensor characteristic table 11 8 2 P C Board Layout TD Discharge temp sensor TA Room temp sensor TC Heat exchanger temp sensor TO Outdoor temp sensor TS Suction temp sensor TE Outdoor heat exchanger temp sensor FILE NO SVM 17001 101 5V GND 12V ...

Страница 103: ...2 000313 5 Outside air temp sensor TO Discharge temp sensor TD Suction temp sensor TS Exchanger temp sensor TE SQ A2522G 000352 2210 221Ω 33 7 17Ω Resistanee ralue Position 3 19Ω 3 36Ω Position White Red Back Measure the resistance value of each winding by using the tester Red White Black Measure the resistance value of winding by using the tester Measure the resistance value of winding by using t...

Страница 104: ...by the tester 2 Converter module 1 Turn OFF the power supply breaker 2 Discharge all three capacitors completely 3 Check that the normal rectification characteristics are shown in continuity test by the tester No Part name Checking procedure Diode check 1 2 Tester rod Resistance value in good product 50kΩ or more 0Ω in trouble 1 2 3 DB01 4 3 4 1 2 3 1 4 4 2 3 C07 C08 760µF 400V RAS 18 22 PAVSG E C...

Страница 105: ...the outdoor fan motor 4 Motor drive circuit failure of the outdoor P C board 3 How to simply judge whether outdoor fan motor is good or bad NOTE However GND circuit error inside of the motor may be accepted in some cases when the above check is performed When the fan motor does not become normal even if P C board is replaced replace the outdoor fan motor If the resistance value between 1 Red lead ...

Страница 106: ...ing equipment near flammable objects Flames from the equipment may cause the flammable objects to catch fire If keeping the power on is absolutely unavoidable while doing a job such as inspecting the cir cuitry wear rubber gloves to avoid contact with the live parts Electric shocks may be received if the live parts are touched High voltage circuits are contained inside this unit Proceed very caref...

Страница 107: ...wer supply 2 Open two screw caps and securely remove screws 2 pcs at the front panel 3 Take off the hooks of front panel from top side of the back body 4 Slightly open the lower part of the front panel then pull the upper part of the front panel toward you to remove it as shown on figure 3 Front panel Back body Hooks of front panel Screw cap Air inlet grille Front panel Screw Screw Screw cap Air f...

Страница 108: ...earth line from evaporator 6 Pull out TC sensor from sensor holder of the evaporator 7 Remove the 2 fixing screws that secures the electric parts box assembly unit display assembly and remove the electric parts box assembly Earth screw Earth line Washer TC sensor Sensor holder Electric part cover Screw Connectors 3 L 2 1 N Fan motor connector Louver motor connector Earth line TC sensor TA sensor L...

Страница 109: ...Hexagon screw driver Vertical louver Cross flow fan Screws Fan motor Motor band 4 5 Fan motor connector Fan motor wire Horizontal louver Drain pan Drain pan Drain hose 1 Follow the procedure item 3 2 The drain hose can be removed by removing the screw securing the drain hose and then pulling out the drain hose 3 When removing the drain hose be careful of any sharp edges of steel plate The edges ca...

Страница 110: ...the cord motor of Louver VT 5P from the Louver VT L R connector 5 Remove fixing screw of the unit display and remove unit display 6 Remove drain pan can be selected remove drain hose or not remove drain hose following Not remove drain hose Pulling out the drain pan from back body then holding the drain pan with main unit Remove drain hose Drain hose can be removed follow the procedure item 7 After...

Страница 111: ...the main unit 11 Caution at assembling If the bearing is out from the housing push it into the specified position then incorporate it in the main unit Bearing base Bearing Cross flow fan Heat exchanger Cross flow fan 12 1 Follow the procedure item 9 and 11 2 Loosen the set screw of the cross flow fan Vertical louver Hexagon screw driver Cross flow fan 3 Lift up the heat exchanger follow the figure...

Страница 112: ...xchanger to upper side 13 Screws Heat exchanger Heat exchanger Pipe holder Screw Screw Heat exchanger 3 5 mm Cross flow fan Set screw Fan motor Body back Holding the set screw install the cross flow fan so that flat area on shaft of the fan motor comes to the mounting hole of the set screw Back body To re installation Keep the back body horizontally and put the heat exchanger carefully to the back...

Страница 113: ...ower supply off to stop the operation of air conditioner 2 Remove the front panel Remove the 2 fixing screws 3 Remove the electrical part base Remarks Replace terminal block microcomputer ass y and the P C board ass y Microcomputer FILE NO SVM 17001 112 ...

Страница 114: ...g inside the indoor unit 2 Attach the upper cabinet ST1TØ4 10L 5 pcs 3 Perform cabling of connecting cable and attach the cord clamp Fix the cord clamp by tightening the screws ST2TØ4 x 14L 3 pcs fitting 2 concave parts of the cord clamp to each connecting cables 4 Attach the valve cover ST2TØ4 x 10L 2 pcs Insert the upper part into the square hole of the side cabinet set hook claws of the valve c...

Страница 115: ...cabinet is fitted into the side cabinet left at the front left side so pull up the top of the front cabinet to remove it 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of the side cabinet right into the square hole in the front cabinet 3 Return the screws th...

Страница 116: ...Remove screw ST2TØ4 x 10L 4pcs fixing the terminal part of inverter box to the main body 5 Remove the front cabinet by performing step 1 in 2 and remove the fixing screws ST2TØ4 x 10L for securing the main body and inverter box 6 Remove various lead wires from the holder at upper part of the inverter box 7 Pull the inverter box upward 8 Disconnect connectors of various lead wires NOTE This capacit...

Страница 117: ...te NOTE These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the spacer Remove the heat sink and control board assembly while keeping them screwed together 3 Remove the two fixing screws used to secure the heat sink and control board assembly 4 Mount the new control board ass...

Страница 118: ...ate and heat exchanger 6 Fan motor 1 Perform work of item 1 of 1 and 2 2 Remove the flange nut fixing the fan motor and the propeller Flange nut is loosened by turning clockwise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 3 pcs holding by hands so that the fan motor does not fall Pr...

Страница 119: ...sor from the terminal 6 Remove pipe connected to the compressor with a burner 7 Remove the ﬁxing screw of the bottom plate and heat exchanger ST2TØ4 10L 1 pc 8 Remove the ﬁxing screw of the bottom plate and valve ﬁxing plate ST2TØ4 10L 1 pc 9 Pull upward the refrigeration cycle 8 Reactor 1 Perform work of item 1 of 2 and 3 2 Remove screws fixing the reactors ST2TØ4 10L 2 pcs Compressor Reactor 10 ...

Страница 120: ...to prevent the pipe from being bent out of shape Fan Guard 1 Detachment 1 Perform work of item 1 of 2 2 Remove the front cabinet and put it down so that fan guard side directs downward Perform work on a corrugated cardboard cloth etc to prevent f aw to the product 3 Remove the hooking claws by pushing minus screwdriver according to the arrow mark in the right figure and remove the fan guard 2 Atta...

Страница 121: ...the discharge pipe TO sensor Outside air temperature sensor Attachment Insert the outdoor air temperature sensor into the holder and install the holder onto the heat exchanger Procedure Remarks CAUTION During the installation work and on its completion take care not to damage the coverings of the sensor leads on the edges of the metal plates or other parts It is dangerous for these coverings to be...

Страница 122: ... etc from entering inside the indoor unit 2 Attach the upper cabinet ST1TØ4 10L 5 pcs 3 Perform cabling of connecting cable and attach the cord clamp Fix the cord clamp by tightening the screws ST2TÆ 4 x 14L 3 pcs fitting 2 concave parts of the cord clamp to each connecting cables 4 Attach the valve cover ST2TÆ 4 x 10L 2 pcs Insert the upper part into the square hole of the side cabinet set hook c...

Страница 123: ... fitted into the side cabinet left at the front left side so pull up the top of the front cabinet to remove it 2 Attachment 1 Insert the claw on the front left side into the side cabinet left 2 Hook the bottom part of the front right side onto the concave section of the bottom plate Insert the claw of the side cabinet right into the square hole in the front cabinet 3 Return the screws that were re...

Страница 124: ...o trouble type in some cases NOTE This capacitor is one with mass capacity Therefore it is dangerous that a large spark generates if short circuiting between Requirement As each connector has a lock mecha nism avoid to remove the connector by holding the lead wire but by holding the connector The connector is one with lock so remove it while pushing the part indicated by an arrow Be sure to remove...

Страница 125: ...disconnect them they must be pressed in the direction of the arrow while pulling them out P C board base P C board NOTE These connectors have a disconnect prevention mechanism as such the lock on their housing must be released before they are disconnected 2 Remove the control board assembly from the P C board base Remove the heat sink and control board assembly while keeping them screwed together ...

Страница 126: ...xchanger Remarks Detail A Detail B Detail C 1 Perform work of item 1 of and 2 Remove the flange nut fixing the fan motor and the propeller Flange nut is loosened by turning clock wise To tighten the flange nut turn counterclockwise 3 Remove the propeller fan 4 Disconnect the connector for fan motor from the inverter 5 Remove the fixing screws 4 pcs holding by hands so that the fan motor does not f...

Страница 127: ...ner Take care to keep the 4 way valve away from naked flames Otherwise it may malfunction 7 Remove the fixing screw of the bottom plate and heat exchanger ST2TØ4 10L 1 pc 8 Remove the fixing screw of the bottom plate and valve fixing plate ST2TØ4 10L 2 pcs 9 Pull upward the refrigeration cycle 10 Remove NUT 3 pcs fixing the compres sor to the bottom plate Remarks Reactor 1 Perform work of item 1 o...

Страница 128: ... the holes of the front cabinet Push the hooking claws 9 positions by hands and fix the claws Check that all the hooking claws are fixed to the specified positions BODY PMV COIL PMV Rotate 180 C 1 Detachment 1 Perform step 1 in 2 all the steps in 3 and 1 in 5 2 Remove the coil by pulling it up from the electronic control valve body 2 Attachment 1 When assembling the coil into the valve body ensure...

Страница 129: ... properly and trouble will result if the sensors have not been installed in their proper positions TS sensor Suction pipe temperature sensor Attachment Install the senser onto the straight pipe part of the suction pipe Be careful for the lead direction of the sensor TD sensor Discharge pipe temperature sensor Attachment With its leads pointed upward install the sensor onto the vertical straight pi...

Страница 130: ...olor tape round the both terminals of the protective tube when colored protective tube is used 10 Fix the sensor again Remarks 1 2 3 4 5 6 Parts name Sensor Sensor Spring A Sensor Spring B Thermal constringent tube Color tape Terminal Q ty 1 1 1 3 1 3 Cutting here Cutting here Cutting here Soldered part Dryer Winding the color tape 100 200 Connector Thermal sensor part Thermal constringent tube 70...

Страница 131: ...3T22312 232 43T91333 218 43T39383 233 43T91334 218 43T39384 FRONT PANEL ASSY RAS 18 22PKVSG E FRONT PANEL ASSY RAS 24PKVSG E CAP SCREW GRILLE OF AIR INLET ASSY AIR FILTER BACK BODY ASSY VERTICAL LOUVER ASSY COVER MOTOR VT STEPPING MOTOR DRAIN PAN ASSY HORIZONTAL LOUVER DRAIN HOSE DRAIN CAP STEPPING MOTOR MOTOR FAN CROSS FLOW FAN ASSY BASE BEARING BEARING ASSY MOLD MOTOR COVER RAS 18 22PKVSG E MOTO...

Страница 132: ...73 406 43T6V889 403 43T6V674 406 43T6V890 404 43T62340 407 43T60480 PC BOARD RAS 18PKVSG E PC BOARD RAS 22PKVSG E PC BOARD RAS 24PKVSG E HOUSING WiFi 405 43T6V887 TEMPERATURE SENSOR TERMINAL 5P TF TEMPERATURE SENSOR CORD CLAMP PC BOARD ASSY WRS LED Description Description 403 401 407 405 406 404 402 FILE NO SVM 17001 131 ...

Страница 133: ...NT CABINET ASSEMBLY LEFT CABINET BASE PLATE ASSEMBLY UPPER CABINET FAN GUARD PACKED VALVE COVER ASSEMBLY COMPRESSOR CONDENSER ASSEMBLY RAS 18PAVSG E CONDENSER ASSEMBLY RAS 22PAVSG E VALVE PACKED 6 35 DIA VALVE PACKED 12 7 DIA BONNET 6 35 DIA BONNET 12 70 DIA FIXING PLATE VALVE RIGHT CABINET ASSEMBLY BODY PMV COIL PMV 36 43T91301 HOLDER SENSOR HOLDER SENSOR HOLDER SENSOR HOLDER SENSOR PARTITION ASS...

Страница 134: ...333 31 43T46367 14 43T00448 32 43046571 15 43T00719 33 43T91336 4 WAY VALVE COIL V 3WAY CARTON BOX 16 43T46469 34 43T91338 17 43T63360 35 43T91337 18 43T58336 FRONT CABINET LEFT CABINET BASE PLATE ASSEMBLY UPPER CABINET FAN GUARD PACKED VALVE COVER ASSEMBLY HANDLE COMPRESSOR CONDENSER ASSEMBLY VALVE PACKED 6 35 DIA VALVE PACKED 12 7 DIA BONNET 6 35 DIA BONNET 12 70 DIA FIXING PLATE VALVE RIGHT SID...

Страница 135: ...T6V895 707 43T50370 702 43T6V896 708 43T50371 703 43T60392 709 43T62313 TEMPERATURE SENSOR TEMPERATURE SENSOR TEMPERATURE SENSOR TEMPERATURE SENSOR PC PLATE BASE 704 43T60326 HEATSINK PC BOARD RAS 18PAVSG E PC BOARD RAS 22PAVSG E TERMINAL 5P FUSE Description Description 703 TO Sensor Ø6 TE Sensor Ø6 TS Sensor Ø6 TD Sensor Ø4 706 707 708 705 709 704 ...

Страница 136: ... 702 43T6V897 707 43T50370 703 43T60384 708 43T50371 704 43T60326 709 43T62313 TEMPERATURE SENSOR TEMPERATURE SENSOR TEMPERATURE SENSOR PC PLATE BASE 705 43T50369 HEATSINK PC BOARD TERMINAL 6P FUSE TEMPERATURE SENSOR Description Description 701 704 703 709 702 TO Sensor Ø6 TE Sensor Ø6 TS Sensor Ø6 TD Sensor Ø4 706 707 708 705 ...

Страница 137: ...TOSHIBA CARRIER THAILAND CO LTD ...

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Содержание RAS-18PAVSG-E

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