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Table of Contents
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Summary of Contents for Premium PWA0510G
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Page 1: Service Manual
ROOM AIR CONDITIONER SERVICE MANUAL PWA0510G... -
Page 2: Table Of Contents
Table of Contents Summary and Features ..................1 Part 1 Safety Precautions ..................2 Part 2 Outline and installation dimension ............3 Part 3 Refrigerant System Diagram ..............4 Part 4 Schematic Diagram ..................5 4.1 Electrical Data......................5 4.2 Electrical Wiring......................5 Part 5 Troubleshooting .................... -
Page 3: Summary And Features
Summary and features Summary and Features Model: PWA0510G... -
Page 4: Part 1 Safety Precautions
Safety Precautions 1.Safety Precautions Make sure the outdoor unit is installed on a stable, level Installing, starting up, and servicing air conditioner can be hazardous due to system pressure, electrical components, and surface with no accumulation of snow, leaves, or trash equipment location, etc. -
Page 5: Part 2 Outline And Installation Dimension
Outline and installation dimension 2. Outline and installation dimension Unit:mm... -
Page 6: Part 3 Refrigerant System Diagram
Refrigerant System Diagram 3. Refrigerant System Diagram CENTRIFUGAL AXIAL FAN OR CROSS FAN COOLED AIR HOT DISCHARGED AIR COMPRESSOR OUTDOOR COILS INDOOR COILS CAPILLARY REFRIGERANT FLOW DIRECTION... -
Page 7: Part 4 Schematic Diagram
Schematic Diagram 4. Schematic Diagram 4.1 Electrical Data Symbol Color symbol Symbol Color symbol BROWN WHITE YELLOW BLUE BLACK YELLOW GREEN YEGN COMPRESSOR COMP PROTECTIVE EARTH 4.2 Electrical wiring BK(BN) MAIN WH(BU) FAN MOTOR SWITCH GN(YEGN) YEGN YEGN POWER 1 2 4 CAP. -
Page 8: Part 5 Troubleshooting
Troubleshooting 5. Troubleshooting Power switch is point at 'OFF' position; or socket No power supply and plug are loosened; or there's malfunction for the power supply circuit; or power failure Fuse is burnt out Replace the fuse Inspect the suppy voltage. If it is lower 10% of the rated Supply voltage is too low voltage, please find out the reason, improve the power supply condition and add regulated power supply... - Page 9 Troubleshooting Replace the compressor The efficiency of compressor is low You can install the rain-proof and sun-proof board. If the Outdoor temperature is too high cooling air is still insufficient, you are suggested to replace the A/C A/C can run but can't cooling Check the forecast cooling(heating) load Whether the cooling(heating) load is proper...
- Page 10 Troubleshooting Find out the reason, improve the power supply condition Supply power is abnormal and add regulated power supply Eliminate the dust on evaporator and condenser and Compressor will be The radiating for evaporator and condensor is not get rid of the obstacles at the air outlet turned on/off frequently good;...
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Page 11: Part 6 Removal Procedure
Removal Procedure 6. Removal Procedure Warning: When the unit is to be disassembled, be sure to wait for a minimum of of 10 minutes after all power supplies are disconnected. Procedure Steps Remove filter sub-assy Hold the handle of filter sub-assy, pull it outward flatly and then the filter sub-assy can be removed. - Page 12 Removal Procedure Steps Procedure Remove main cove plate After the panel is separated from the outer case, twist off the 2 screws used for connecting the main cover plate and panel, pull it upward and then pull it outwards slight, then the main cover main cover plate plate can be removed.
- Page 13 Removal Procedure Procedure Steps outer case Remove electric box Twist fixing screws with screwdriver and then remove the fireproof cover and electric box cover.
- Page 14 Removal Procedure Steps Procedure fireproof cover of electric box cover electric box cover Twist fixing screws with screwdriver and then the electric box can be removed from the completely unit. Twist fixing screws with screwdriver then remove thermostat and main switch; Press the capacitor clasps as shown in the fig downward and then remove the capacitor.
- Page 15 Removal Procedure Steps Procedure Remove the upper propeller housing Clean the sponge for upper and lower propeller housing, pull it upward and then remove the upper proper housing. upper propeller housing Remove air duct sub-assy Twist off the 4 screws used for fixing the air duct sub-assy with screwdriver.
- Page 16 Removal Procedure Steps Procedure centrifugal blade Twist off the bolts used for fixing the centrifugal blade with wrench, take out the washer and then remove the centrifugal blade. Twist off the bolts used for fixing the axial axial flow blade flow blade with wrench, take out the washer and then remove the axial flow blade.
- Page 17 Removal Procedure Steps Procedure Use the soldering gun to break the suction pipe connection between suction pipe and compressor, capillary and condenser, and then disassemble the capillary sub-assy as evaporator, suction pipe and capillary sub-assy. capillary evaporator Remove louver propeller housing After the evaporator sub-assy is removed, pull it propeller housing upward and then the propeller housing can be removed.
- Page 18 Removal Procedure Steps Procedure Remove condenser Use the soldering gun to break the connection between discharge pipe and compressor, twist off the 2 screws used for fixing the condenser and chassis with screwdriver, pull the condenser upward to remove it. condenser Remove compressor Twist off the nuts with washer with wrench, pull...
- Page 19 Removal Procedure Procedure Steps compressor Remove lower guide rail Turn around the chassis, twist off the 2 fixing screws with screwdriver and then remove the guide rail. lower guide rail...
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