Goldstar GWHD6500R Service Manual Download Page 1

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ROOM AIR CONDITIONER

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

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MODEL:

,GWHD6500RY6

GWHD6500R

Summary of Contents for GWHD6500R

Page 1: ...ROOM AIR CONDITIONER SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODEL GWHD6500RY6 GWHD6500R ...

Page 2: ...PROTECTOR 8 2 3 2 COMPRESSOR 9 2 3 3 CAPACITOR 9 2 3 4 THERMISTOR 9 2 3 5 CONTROL PANEL 9 2 3 6 POWER CORD 10 2 4 REFRIGERANT CYCLE 10 2 4 1 CONDENSER 10 2 4 2 EVAPORATOR 10 2 4 3 CAPILLARY TUBE 11 3 INSTALLATION 13 3 1 SELECT THE BEST LOCATION 13 3 2 HOW TO INSTALL 13 3 3 ELECTRICAL DATA 16 4 TROUBLESHOOTING GUIDE 16 4 1 OUTSIDE DIMENSIONS 16 4 2 PIPING SYSTEM 17 4 3 TROUBLESHOOTING GUIDE 18 5 SC...

Page 3: ...O OUTSIDE FAN PROPELLER FAN WITH SLINGER RING AIR DISCHARGE 2 WAY RIGHT AND LEFT CHASSIS TOP DOWN PROTECTOR TEMPERATURE CONTROL THERMISTOR SWITCH 2 SPEED LOW FAN HIGH FAN FAN MOTOR 6 POLES 28W z OVERLOAD PROTECTOR FOR COMPRESSOR z INTERNAL PROTECTOR FOR FAN MOTOR 1 3 SAFETY PRECAUTIONS 1 When servicing set the POWER of CONTROL BOARD to Off and unplug the power cord 2 Observe the original lead dres...

Page 4: ...unit OFF push the button again This button takes priority over any other buttons When you first turn it on the unit is on the High cool mode and the temp at 72 F 22 C TEMPERATURE SETTING This button can automatically control the temperature of the room The temperature can be set within a range of 60 F 16 C to 86 F 30 C by 1 F 1 C Select the lower number for lower temperature of the room FAN SPEED ...

Page 5: ...ime you push this button it is set as follows High F2 Low F1 High F2 or High F3 Mid F2 Low F1 High F3 POWER To turn the Set ON push the button To turn the Set OFF push the button again This button takes priority over any other buttons When you first turn it on the Set is on the High cool mode and the temp at 72 F 22 C COOL FAN DRY or COOL FAN Everytime you push this button it will toggle between C...

Page 6: ...base pan and condenser See Figure 3 4 Lift the cabinet from the unit 5 Re install by referring to the procedures above 2 1 3 CONTROL BOARD 1 Disconnect the unit from the power source 2 Remove the front grille Refer to Section 2 1 1 3 Remove the cabinet Refer to Section 2 1 2 4 Remove 2 screws that secure the control board to base pan and air guide See Figure 4 5 Pull the control board toward yours...

Page 7: ...on 2 1 1 3 Remove the cabinet Refer to Section 2 1 2 4 Remove the control board Refer to Section 2 1 3 5 Remove the air guide upper Refer to Section 2 2 1 6 Remove 2 screws that secure the base pan to condenser See Figure 7 7 Remove 2 screws that secures the shroud to channel of condenser 8 Press the snap area of shroud with your thumbs This allows you to remove it from the condenser 9 Lift the co...

Page 8: ... 2 1 2 4 Remove the control board Refer to Section 2 1 3 5 Remove the air guide upper Refer to Section 2 2 1 6 Remove the compressor turbo fan fan and shroud Refer to Section 2 2 2 7 Remove the motor Refer to Section 2 2 3 8 Remove 2 screws that secure the air guide to the base pan See Figure 11 9 Push the air guide backward and lift it upward See Figure 11 10 Re install by referring to the proced...

Page 9: ...K resistor across the capacitor terminals 4 Pull the capacitor upward 5 Remove all the leads of capacitor terminals 6 Re install the components by referring to the removal procedure above See Figure 15 2 3 4 THERMISTOR 1 Remove the cabinet Refer to Section 2 1 2 2 Remove the control board Refer to Section 2 1 3 3 Disconnect the thermistor terminals from main P W B assembly 4 Remove the thermistor ...

Page 10: ...fer to Section 2 1 2 2 Discharge the refrigerant by using a refrigerant recovery system 3 Remove 2 screws which fasten the condenser See Figure 19 4 After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections 5 Remove the condenser 6 Re install by referring to the procedures above 2 4 2 EVAPORATOR 1 Remove the cabinet Refer to Section 2 1 2 2 Discharg...

Page 11: ...30 min utes until 600 micron vacuum is obtained Close valves A and B and observe vacuum gauge for a few minutes A rise in pressure would indicate a possible leak or moisture remaining in the system With valves A and B closed stop the vacuum pump 6 4 Remove the hose from the vacuum pump and place it on the charging cylinder See figure 20B Open valve C Discharge the line at the manifold connection 6...

Page 12: ... proof seal leak detector tubing cutter hand tools to remove components and service valve B A B A B A COMPOUND GAUGE SEE INSETS BELOW CAPILLARY TUBE EVAPORATOR LOW PRESSURE SIDE COMPRESSOR CONDENSER HIGH PRESSURE SIDE EXTERNAL VACUUM PUMP LO HI CHARGING CYLINDER MANIFOLD GAUGE C Figure 20A Pulling Vacuum Figure 20B Charging ...

Page 13: ...llow a clear vertical opening of 13 from the bot tom of the sash to the window stool 2 If storm window presents interference fasten a 2 wide wood strip to the inner window sill across the full width of the sill The wood strip should be thick enough to raise the height of the window sill so that the unit can be installed without interference by the storm window frame See Figure 23 Top of wood strip...

Page 14: ...ly in place Be sure to place bracket edge flush against back of inner sill See Figure 27 3 INSTALL THE AIR CONDITIONER IN THE WINDOW a Carefully lift the air conditioner and slide it into the open window Make sure the bottom guide of the air conditioner drops into the notches of the L bracket See Figure 27 HARDWARE TYPE E 1EA SASH SEAL Not adhesive backed TYPE D 1EA SEAL STRIP Adhesive backed TYPE...

Page 15: ...re 30 6 a Remove the screws that secure the cabinet and base pan in the right side b Fasten the suport bracket TYPE G using a removed screw Attach the suport bracket TYPE G in the inner window sill with a screw TYPE B as shown Figure 31 7 Window installation of room air conditioner is now completed See ELECTRICAL DATA for attaching power cord to electrical outlet 3 2 4 HOW TO SECURE THE DRAIN PIPE...

Page 16: ...on cord rated 15A 125V Do not under any circumstances cut or remove the grounding prong from the plug Line Cord Plug Use Wall Receptacle Power Supply Power supply cord with 3 prong grounding plug Standard 125V 3 wire grounding receptacle rated 15A 125V AC Use 15 AMP time delay fuse or circuit breaker 4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS unit mm in 370 14 9 16 312 12 1 4 370 14 9 16 312 1...

Page 17: ...D AIR MOTOR COMPRESSOR ROOM AIR HEAT LOAD CAPILLARY TUBE LIQUID REFRIGERANT LIQUID OUTLET VAPOR INLET COMPLETE LIQUID BOIL OFF POINT SUCTION LINE COOL LOW PRESSURE VAPOR LIQUID PRESSURE DROP DISCHARGE LINE NOT HIGH PRESSURE VAPOR OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH EVAPORATOR COILS CONDENSER COILS ROOM AIR CONDITIONER CYCLE OF REFRIGERATION HIGH PRESSURE VAPOR LIQUID REFRIGERANT LOW P...

Page 18: ...nce of inlet outlet air 44 50 F 7 10 C Replacement of unit if the unit is beyond repair Check outdoor coil heat exchanger and fan operation Check heat load increase Check cold air circulation for smooth flow Check gas leakage Clean condenser Not on separate circuit Check inside gas pressure Adjust refrigerant charge Malfunction of compressor Replacement of compressor Check clogging in refrigera ti...

Page 19: ...start Defect of compressor capacitor Replacement of compressor Motor damaged Irregular motor insulation Ω Irregular motor resistance Ω Check of circuit breaker and fuse Check control panel Fan only fails to start Improper wiring Defect of fan motor capacitor Replacement of fan motor Regular but fails to start Replacement of compressor Locking of piston metal Irregular motor resistance Ω Irregular ...

Page 20: ... connection between Main and Display all right Is the reset circuit all right The No 14 of Micom is 5V Check the Fuse Check the wiring diagram Check the Main P W B pattern Exchange the Trans Exchange D02D D05D Exchange IC01D Exchange IC02D Exchange IC01A Connect connector exactly Check the P W B pattern NO NO NO NO NO NO NO YES YES YES YES YES YES YES NO YES ELECTRIC PARTS TROUBLESHOOTING GUIDE Po...

Page 21: ...ck the wiring Diagram NO NO NO NO YES YES YES YES Possible Trouble 2 The compressor does not operate Is the wire connection of RY COMP all right Check the RY COMP Connect LEAD Wire to RY COMP again NO YES Possible Trouble 3 The compressor always operate Exchange IC01M Exchange IC01M Is the voltage NO 1 or 4 of IC01M DC 5V Is the voltage NO 13 or 16 of IC01M 0V Check the RY Hi or RY Lo Check the wi...

Page 22: ...or to CN DISP1 exactly NO NO NO YES YES YES Possible Trouble 5 Romote controller does not operate NO NO NO NO YES YES YES Is the IC01G all right Is the connection of CN DISP1 all right Exchange the display P W B Ass y Exchange IC01G Exchange Q01G Q02G Q03G Q04G Connect connector to CN DISP1 exactly Does the Q01G Q02G Q03G Q04G operate normally on main P W B Ass y Possible Trouble 6 It displays abn...

Page 23: ...or Discharge Test capacitor capacitor before testing Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Will not rotate Fan blade hitting shroud or blower wheel hitting scroll Re align assembly Units using slinger ring condenser fans must have 0 22 0 25 inch clearance to the base If necessary shim up the bottom of the fan motor with mounting screw s Check fan moto...

Page 24: ... diagram correct the connections Thermistor Check the TEMP control If not at the lowest number set TEMP control to this setting and restart the unit Check the continuity of the thermistor Replace the thermistor if the circuit is open Capacitor discharge Check the capacitor capacitor before Replace if not within 10 of manufacturer s servicing rating replace if shorted open or damaged Compressor Che...

Page 25: ...ncrease causing the compressor to cycle Straighten the fins or replace the coil Capacitor Test the capacitor Wiring Check the terminals If loose repair or replace Refrigeration system Check the system for a restriction Insufficient cooling Air filter If restricted clean or replace Unit undersized Determine if the unit is properly sized for the area to be cooled Excessive noise Blower or fan Check ...

Page 26: ... 1 CIRCUIT DIAGRAM Q TY PER SET 1 1 1 1 1 1 1 1 LOCATION NO 1 2 3 4 5 6 7 8 DESCRIPTION POWER CORD ASSEMBLY FAN MOTOR COMPRESSOR DISPLAY P W B ASSEMBLY MAIN P W B ASSEMBLY THERMISTOR CAPACITOR OVERLOAD PROTECTOR 1 6 4 5 8 3 7 2 ...

Page 27: ...4 KEY0 9 3 8 3 7 3 VDD SEG g 3 4 2 4 1 4 SEG f SEG e 4 4 SEG d U 7 4 H C 7 8 P M T M O C I M 4 b G E S a G E S c G E S 3 2 1 7 6 5 Room TH Option2 Option1 Pipe TH 3 2 6 2 5 2 4 2 C N Y S W O L Y A W 4 P M O C 0 2 1 2 2 2 Reset Osc out Osc in 6 1 VAref VSS 8 1 7 1 9 1 3 1 4 1 5 1 TEST 1 1 L C S A D S 0 1 9 8 x T 2 1 x R V 5 1 A 3 4 A D S D N G L C S 2 A 0 A 1 2 M O R P E E 6 4 C 3 9 T A C 2 0 0 5 2...

Page 28: ... 28 5 3 COMPONENTS LOCATION FOR MAIN P W B ASM 5 4 COMPONENTS LOCATION FOR DISPLAY P W B ASM ...

Page 29: ...02 130410 359012 W48602 135312 354210 349480 352390 2 149980 559010 346811 554030 W48602 130910 264110 238310 W0CZZ 249950 268714 263230 550140 554160 567502 352115 552111 352113 35211A 268712 159900 2 145200 159900 1 148000 132111 1 132111 2 137215 ...

Page 30: ...VAPORATOR IN R 35211A TUBE ASSEMBLY SUCTION SINGLE R 352390 2 AIR GUIDE R 352390 1 AIR GUIDE R 354210 EVAPORATOR ASSEMBLY FIRST R 359012 FAN TURBO R 550140 ISOLATOR COMPRESSOR R 552111 TUBE ASSEMBLY CAPILLARY R 554030 CONDENSER ASSEMBLY FIRST R 554160 COMPRESSOR R 559010 R 567502 O L P R W48602 CLAMP SPRING R REMARKS DESCRIPTION LOCATION NO GWHD6500R PART NO _ R W0CZZ CAPACITOR DRAWING GWHD6500RY6...

Page 31: ...P No 3828A20529B October 2005 Printed inThailand ...

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