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Fujitsu WPYA080LA Service Manual Download Page 31

２２

.AIR PURGE VALVE removal

 

Remove the clip for the hose

Remove the AIR PURGE VALVE

Remove the hose. 

by using 2 spanners.

２３

.SENSOR (TEMP.OUTDOOR) removal

 

Remove the SENSOR (TEMP.OUTDOOR) by hand.

２４

.SENSOR (TEMP.DISCHARGE) removal

 

Remove the SENSOR (TEMP.DISCHARGE) with the holder.

Hose band 

Hose

2 spanners 

Sensor

Sensor 

Sensor and Holder

Holder

-31-

Summary of Contents for WPYA080LA

Page 1: ...PUMP MONOBLOC type CONTENTS SPECIFICATION 2 FUNCTION 4 OPERATION DETAILS 5 TROBLESHOOTING GUIDE 6 PARTS LIST 14 ELECTRIC CIRCUIT DIAGRAM 15 EXPLODED VIEW 16 DISASSEMBLY PROCESS 18 Models Outdoor unit WPYA100LA WPYA080LA ...

Page 2: ...dth Depth Number of core wire Power Cord core wire 3 5 4 0mm2 mm Dimensions mm mm kg Net Weight WPYA100LA 7 1 10 0 Water Pipe Size Out Return R1 25A R1 25A 2060 2300 Cooling Heating 9 2 14 5 10 2 18 3 881 5 850 330 82 Air Circulation Propeller Fan 100 DC brushless 8 pole W Heat Exchanger 18 1 FPI Expansion Valve Plate fin configuration forced draft Refrigerant Control Device g Refrigerant R410A 15...

Page 3: ...idth Depth Number of core wire Power Cord core wire 3 5 4 0mm2 mm Dimensions mm mm kg Net Weight WPYA080LA 6 4 8 0 Water Pipe Size Out Return R1 25A R1 25A 1780 1780 Cooling Heating 8 0 13 1 8 0 16 1 881 5 850 330 82 Air Circulation Propeller Fan 100 DC brushless 8 pole W Heat Exchanger 18 1 FPI Expansion Valve Plate fin configuration forced draft Refrigerant Control Device g Refrigerant R410A 150...

Page 4: ...less electricity consumption than normal air to water heat pump Electricity consumption Defrosting operation is controlled by the temperature of outdoor heat exchanger sensed by the thermistor Defrost control Anti freeze operation automatically starts when the outdoor temperature is lower than 2 C Anti freezing control for the circulation water Restarting is inhibited for approximately 3 minutes T...

Page 5: ... a 35 minutes of continuous run of the compressor after the start of heating operation or after the completion of previous defrosting operation b The temperature of the outdoor heat exchanger stays lower than 1 5 C continuously for two minutes Defrosting operating is called off if either of the following conditions is met a The temperature of outdoor heat exchanger rises to 19 C while 4 way valve ...

Page 6: ...ant is exposed to fire Be sure to change the cable if it is damaged Do not use damaged cable Do not use power supply cord extended or connected in halfway Be sure to put the units to earthing works Be sure to check the insulated resistance more than 1M Ω Warning Check Point Check Point If leakage of refrigerant occur in the installation ventilate a room If the leaked refrigerant is exposed fire po...

Page 7: ...GE FUSE CF2 250V T15A check the electric continuity FUSE CF2 250V T15A by tester COMPRESSOR other than described above check the resistance of POWER MODULE by tester take off the junction connector of compressor lead wire measure resistance between the connector pins of junction connector six times between white black black red red white respectively by changing the polarity if all the figures sho...

Page 8: ...t once then recharge with prescribed mass remove the clog then restart operation ensure the installation position to avoid blockage of air inlet outlet if the voltage is normal PUMP should be replaced if the voltage is abnormal PCB CONTROLLER should be replaced if the value is abnormal the coil should be replaced if the same error code appears POWER MODULE should be replaced if the same error code...

Page 9: ...a past error code and its sequence number The PUMP SW can then be used to select between a maximum of 8 past error codes to display If there are no er ror codes is displayed 1 Display method 2 Display cancellation For a unit display board While an error code is being displayed press and hold the PUMP SW and RESET SW at the same time for 5 sec onds to cancel the error code display and turn off the ...

Page 10: ...ins of con nector 9 Connector 9 shall be checked during heat ing or cooling operation Measure voltage as follows without taking off the con nector 9 Measure voltage between the connector pins of con nector 7 Connector 7 shall be checked during heat ing or cooling operation Measure voltage as follows without taking off the con nector 7 PCB CONTROLLER isNormal PCB CONTROLLER is Normal between red an...

Page 11: ...FOLLOWING STEPS fig 7 Resistance of POWER MODULE fig 6 Resistance of the circulation pump fig 5 Resistance of the heater for tank 2 PCB CONTROLLER W W 2 6kΩ 7 PCB CONTROLLER 140Ω BL GR OR P BLUE GRAY ORANGE PINK OR P BL GR below 100kΩ ...

Page 12: ...W B B G Y R 1 R W B BL B OR GR P B COMPRESSOR POWER SENSOR TEMP SUCTION SENSOR TEMP DEFROST SENSOR TEMP DISCHARGE SENSOR TEMP OUTDOOR MOTOR FAN PUMP PCB CONTROLLER SENSOR TEMP RETURN SENSOR TEMP OUTGOING REACTOR 3 7 4 2 24 23 19 18 21 20 9 12 14 13 BL OR GR P U S V R W C PCB POWER MODULE CONNECTING CABLE CONNECTING CABLE B B B B B B B B CN1 CN1 CN2 FUSE 250V T3 15A FUSE 250V T5A G Y BL BL W B W W ...

Page 13: ...rature Units of 1 C FREEZE PREVENTION SETTING If the outside temperature falls below about 2 C freeze pre vention operation is possible depending on the unit MODE SW 1 1 No freeze prevention operation When using anti freeeze 2 Freeze prevention operation When the outdoor temperature falls below about 2 C the circulating water is warmed and circulated CHARGETHE CIRCULATIONWATER AND AIR PURGE INWATE...

Page 14: ... 14 ELECTRIC CIRCUIT DIAGRAM WPYA100LA WPYA080LA ...

Page 15: ...C F G L E F B B H I G L J 3 1 6 7 4 11 45 53 55 32 30 33 46 31 47 52 56 43 52 54 51 24 54 57 49 49 49 52 14 49 24 50 38 8 40 48 13 22 23 12 5 10 20 39 21 18 34 37 35 28 25 27 29 41 42 28 17 9 19 44 26 16 15 36 2 28 29 18 27 20 11 4 10 7 6 WPYA100LA WPYA080LA ...

Page 16: ...TER 30112980 25 REACTOR 30112530 26 TERMINAL BLOCK 30112970 27 PCB DISPLAY 30051560 28 PCB CONTROLLER with CASE WPYA100LA 30112540 20605320 PCB CONTROLLER with CASE WPYA080LA 30116780 20605320 29 PCB POWER MODULE ASSY WITH HEAT SINK 20605341 30 RUBBER HOSE FOR RELEIF VALVE 30114420 31 RUBBER HOSE FOR AIR PURGE VALVE 30114430 32 HOSE BAND FOR RELIEF VALVE 30084480 33 HOSE BAND FOR AIR PURGE VALVE 6...

Page 17: ... PARTS LIST No PARTS NAME PARTS No 51 O RING P4 01107120 52 O RING P6 01107600 53 O RING P14 01107150 54 QUICK FASTENER 52775700 55 QUICK FASTENER 00633600 56 QUICK FASTENER 00601690 57 DRAIN PLUG 30078010 ...

Page 18: ...e unit the power supply switch OFF Then do not touch electric parts for 10 minutes due to the risk of electric shock １ Appearance ２ SERVICE PANEL removal Remove the screws Remove the SERVICE PANEL 3 places by sliding downward Screw Hook 4 places 18 ...

Page 19: ...ing PCB Remove the fire prevention cover Remove connectors Remove the screws for PCB box 2 places to detach PCB box whole ４ PCB DISPLAY removal Remove the locking spacers 3 places Remove the PCB DISPLAY Panel for hanging PCB Open Fire prevention cover Screw Screw for fixing the cover Hook 2 places Hook 2 places Locking spacer Screw 19 ...

Page 20: ...REACTOR removal Remove the connectors Remove the screws 4 places Remove the REACTOR ７ MODULE PCB removal Remove the screws 2 places Remove the screws 4 places Remove the cover Remove MODULE PCB with the heat sink Screw Screw Connector Fire protection cover Screw Screw 20 ...

Page 21: ... valve removal Remove the screw 1 place Remove the SOLENOID COIL 4way valve ９ EEV COIL removal Remove the EEV COIL by hand １ ０ FRONT PANEL LEFT removal Remove the screws 8 places Remove the FRONT PANEL LEFT Screw Screw 21 ...

Page 22: ...Remove the PRPELLER FAN from the hooks in the fan bracket 3 places Note at the installation Tightening torque is from 4 0 to 6 0 N m Note at the installation Remove the screws 4 places Remove the FAN MOTER Nut Cable for the FAN MOTOR Cable for the SENSOR TEMP OUTDOOR Screw Hook 22 ...

Page 23: ...１ ２ FAN BRACKET and SEPARATE WALL removal Remove the screws 2 places Remove the FAN BRACKET Remove the screws 3 places Remov e the screws 3 places Remove the SEPARATE WALL Screw Earth screw Screw 23 ...

Page 24: ...following work after completely collecting the refrigerant Do not reuse the refrigerant that has been collected Remove the SENSOR TEMP DISCHARGE Remove the COMPRESSOR COVER and the SENSOR TEMP SUCTION COVER and COVER see chapter 25 and 26 Remove the COMPRESSOR COVER COVER and COVER Remove the nut Remove the connectors Remove the TERMINAL COVER S U BLACK R V WHITE C W RED Check joint Cover Cover Co...

Page 25: ...ility of catching fire to oil when removing by the welding without cutting Procedure for compressor installation Reverse procedure to removing the compressor Precautions for installation of compressor 1 When brazing do not apply the flame to the terminal 2 When brazing be sure to replace the air in the pipe with nitrogen gas to prevent forming oxidization scale Range Range Nut 25 ...

Page 26: ...IN PLUG Open the DRAIN PLUG and drain Remove the screw for the cover 1 place Remove the cover Remove the nuts for pipes 2 places Remove the screw for the pump 1 place Remove the CIRCULATION PUMP Note at the installation When take off Nut remove a packing together Tightening torque is from 15 0 to 30 0 N m Screw for the pump Nut Cover Screw for the cover Drain plug Loose for open 26 ...

Page 27: ...R removal Remove the screw 1 place Remove the screws 6 places Remove the TANK COVER TOP Remove the TANK COVER SIDE １ ６ TANK HEATER removal Remove the TANK HEATER by hand and exchange Screw Screw Screw Tank heater 27 ...

Page 28: ...ng together Remove the TANK Tightening torque is from 15 0 to 30 0 N m １ ８ BACK PANEL removal Remove the screw 1 place Remove the insulation sheet Remove the insulation sheet Remove the terminal cover for the terminal for the tank Remove the screws 16 places Remove the BACK PANEL Nut Screw Insulation sheet Screw Insulation sheet Screw Screw 4 Screw Screw Screw 4 28 ...

Page 29: ...e the EEV COIL see chapter 9 Remove the pipes in the refrigerant cycle by brazing 2 places see chapter 30 Remove the nuts Remove the HEAT EXCHANGER by lifting Note at the installation When take off Nut remove packing together Tightening torque is from 15 0 to 30 0 N m Screw Panel for fixing the terminal block Brazing point Nut 29 ...

Page 30: ...k fastener by pulling Remove the MANOMETER ２ １ PRESSURE RELIEF VALVE removal Remove the clip for the hose Remove the quick fastener by pulling Remove the hose Remove the PRESSURE RELIEF VALVE Quick fastener Quick fastener Hose band Hose 30 ...

Page 31: ...R PURGE VALVE Remove the hose by using 2 spanners ２ ３ SENSOR TEMP OUTDOOR removal Remove the SENSOR TEMP OUTDOOR by hand ２ ４ SENSOR TEMP DISCHARGE removal Remove the SENSOR TEMP DISCHARGE with the holder Hose band Hose 2 spanners Sensor Sensor Sensor and Holder Holder 31 ...

Page 32: ... DEFROST removal Remove the COMPRESSOR COVER COVER COVER and COVER See chapter 14 Remove the SENSOR TEMP DEFROST with the holder ２ ７ SENSOR TEMP CIRCULAITING WATER OUTGOING removal Remove the THERMISTOR SPRING Remove the SENSOR TEMP CIRCULAITING WATER OUTGOING Sensor Sensor Sensor Sensor and Holder Holder 32 ...

Page 33: ... 3 Cool the parts when there are parts where heat might be transmitted besides the replacement part 4 Interrupt the flame with fireretardant board when the flame seems to hit the following pats directly 5 Do not allow moisture or debris to get inside refrigerant pipes during work 6 When brazing be sure to replace the air in the pipe with nitrogen gas to prevent forming oxidization scale Part name ...

Page 34: ...ISSUED DEC 2009 RA 70 3 Printed in Japan REVISED MAR 2010 REVISED APR 2010 ...

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