Premium PWA0510G Service Manual Download Page 20

Summary of Contents for PWA0510G

Page 1: ...ROOM AIR CONDITIONER SERVICE MANUAL PWA0510G ...

Page 2: ...es 1 Part 1 Safety Precautions 2 Part 2 Outline and installation dimension 3 Part 3 Refrigerant System Diagram 4 4 1 Electrical Data 5 4 2 Electrical Wiring 5 Part 4 Schematic Diagram 5 Part 5 Troubleshooting 6 Part 6 Removal Procedure 9 ...

Page 3: ...1 Summary and Features Summary and features Model PWA0510G ...

Page 4: ...f fire electric shock explosion or injury Make sure the ceiling wall is strong enough to bear the weight of the unit Make sure the noise of the outdoor unit does not disturb neighbors Properly insulate any tubing running inside the room to prevent the water from damaging the wall Make sure the outdoor unit is installed on a stable level surface with no accumulation of snow leaves or trash beside F...

Page 5: ...3 2 Outline and installation dimension Outline and installation dimension 408 303 333 Unit mm ...

Page 6: ...4 3 Refrigerant System Diagram Refrigerant System Diagram HOT DISCHARGED AIR OUTDOOR COILS AXIAL FAN COMPRESSOR REFRIGERANT FLOW DIRECTION CAPILLARY CENTRIFUGAL OR CROSS FAN INDOOR COILS COOLED AIR ...

Page 7: ...OW GREEN COMP COMPRESSOR PROTECTIVE EARTH 1 2 4 3 SA1 0 N L BK BN WH BU GN YEGN POWER M FAN MOTOR ST1 L C THERMOSTAT RD BK 1 3 ST2 BK BN RD OVERLOAD PROTECTOR BK BU FAN HERM C BN RD MAIN SWITCH COMP C T U S W X R M V COMP YE BU YEGN CAP PE PE ELECTRIC BOX PE PE EVAPORATOR YEGN These circuit diagrames are subject to change without notice please refer to the one supplied with the unit ...

Page 8: ...ller Wires are loosened or poor connection Connect the wire correctly according to the electric circuit diagram on the body Temperature controller hasn t been adjusted properly Adjust the temperature of temperature controller lower Too much dust on the filter Clean the filter Heat exchanger is blocked Clean the dust accumulated on the surface of heat exchanger The fan speed is set too low Set the ...

Page 9: ...inding is broken circuit or short circuit or the built in temperature limiting device is broken due to overheating Replace those parts with malfunction Wrong wire connection Check the circuit according to the electric circuit diagram Capacitor of the compressor is damaged Replace the capacitor of compressor with the same model and specification Compressor motor is burnt out If the totally enclosed...

Page 10: ... the compressor Malfunction of the protector Check whether the contact is conducted with universal meter when the compressor isn t heating If not please replace the protector A C is leaking There s too much dust in condensate water tray and the drain hole is blocked Clean the water tray to conduct the drain hole Compressor hasn t been installed well the base isn t stable Check whether the base is ...

Page 11: ...an be removed Remove panel Twist off the 2 screws used for fixing the panel and outer case with screwdriver pull out the knob hold the both sides of the panel by hands press it inward with the finger except the thumb and pull it outward slight then the panel can be removed When the unit is to be disassembled be sure to wait for a minimum of of 10 minutes after all power supplies are disconnected ...

Page 12: ...eparated 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 plate can be removed Remove outer case Twist off the 1 fixing screws with screwdriver pull it upward and then remove the outer case ...

Page 13: ...11 Removal Procedure Steps Procedure 5 outer case Remove electric box 1 Twist off the 2 fixing screws with screwdriver and then remove the fireproof cover and electric box cover ...

Page 14: ...in switch press down this clasp 2 Twist off the 3 fixing screws with screwdriver and then the electric box can be removed from the completely unit 3 Twist off the 4 fixing screws with screwdriver and then remove the thermostat and main switch Press the clasps as shown in the fig downward and then remove the capacitor ...

Page 15: ...ousing Clean the sponge for upper and lower propeller housing pull it upward and then remove the upper proper housing Remove air duct sub assy 1 Twist off the 4 screws used for fixing the air duct sub assy with screwdriver 2 After the screws is removed pull it upward and then the air duct sub assy can be removed ...

Page 16: ...l flow blade with wrench take out the washer and then remove the axial flow blade 5 Twist off the 4 screws used for fixing the motor and then remove the motor from the motor support Remove evaporator sub assy 1 Release all the refrigerant before disassembling the evaporator sub assy slowly use the soldering gun to break the connection between suction pipe and compressor capillary and condenser 2 T...

Page 17: ...break the connection between suction pipe and compressor capillary and condenser and then disassemble the capillary sub assy as evaporator suction pipe and capillary sub assy 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: ...ng 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 Remove compressor Twist off the nuts with washer with wrench pull up the compressor to remove it ...

Page 19: ...17 Steps Procedure Removal Procedure 12 compressor lower guide rail Remove lower guide rail Turn around the chassis twist off the 2 fixing screws with screwdriver and then remove the guide rail ...

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