Goldstar DH2510A, Service Manual

Page 1: ...er SERVICE MANUAL MODEL DH2510A DH4010A DH5010A CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE http biz LGservice com http www LGservice com techsup html ...

Page 2: ...E 9 3 1 3 CONTROL BOX ASSY AND CABINET 9 3 2 CONTROL PARTS AND CYCLE PARTS 10 3 2 1 ROTARY SWITCH HUMIDISTAT AND NEON LAMP 10 3 2 2 CAPACITOR AND TERMINAL BLOCK 10 3 2 3 DEFROST CONTROL 10 3 2 4 MICRO SWITCH ASSY 10 3 2 5 POWER CORD ASSY 10 3 2 6 FAN AND MOTOR 11 3 2 7 HOUSING ASSY 11 3 2 8 P T C ASSEMBLY OR OVERLOAD PROTECTOR O L P 12 3 2 9 COMPRESSOR 12 3 3 REFRIGERATING CYCLE 13 3 3 1 CONDENSER...

Page 3: ...sconnect power supply before servicing or replacing any electrical or non electrical component Do not under any circumstances cut off the grounding prong or alter the plug in any manner 1 2 FEATURES High efficiency Quiet Adjustable humidistat Automatic defrost Automatic shut off Water full indicator light Adjustable water level Easy roll casters Removable large capacity bucket direct hose connecta...

Page 4: ... ROTARY 20A 125 250VAC MOTOR ASSEMBLY SINGLE SWITCH ASSEMBLY MICRO 16A 125 250VAC WITHOUT BUCKET 320 x 530 x 340 12 9 16 x 20 13 16 x 13 3 8 WITH BUCKET 320 x 530 x 445 12 9 16 x 20 13 16 x 17 1 2 NET WEIGHT kg lbs 22 5 49 6 18 5 40 7 20 44 1 MODELS ITEMS P T C ASSEMBLY MAXIMUM WORKING TIME 0 2 0 7 sec RETURN TIME 60 sec 4P less than 45W less than 0 4A T P 17AM0335 4 266 F 130 C OVERLOAD PROTECTOR...

Page 5: ...e height of a table or shelf might provide a better position from which to handle the bucket and help prevent icing of the coils due to colder air near the floor such as in a basement Humidity Control The Humidity Control can be set anywhere between Off and Max for normal operation If you need more dehumidification turn the Humidity Control toward Max If you need less dehumidification turn the Hum...

Page 6: ...on of the components NOTE When dryer is replaced proper injection to capillary is needed On opening the dryer it should be welded instantly The oxidization of dryer inside and all tubes inside after welding can be prevented For Model DH2510A 6 42 R H 40 7 30 6 35 4 50 3 60 2 70 1 80 5 42 8 25 9 20 Max Off DEAD DIAL Dryer Figure 4 Figure 3 1 6 3 SWITCH ASSEMBLY MICRO The micro switch assembly which...

Page 7: ... SWITCH LAMP Q TY PER SET 1 1 1 1 1 1 1 1 1 1 1 RE MARKS S S S S S S S S S S S LOCATION NO 1 2 3 4 5 6 7 8 9 10 11 DESCRIPTION POWER CORD ASSEMBLY SWITCH ROTARY MOTOR ASSEMBLY SINGLE P T C ASSEMBLY COMPRESSOR O L P LAMP NEON CONTROL DEFROST HUMIDISTAT SWITCH ASSEMBLY MICRO TERMINAL BLOCK DH2510A 6411A20001K 6600A20001A 4681A20034B 6748C 0003D 5416A20002B 6750C 0009B 6912A30001D 6614A30001D 5216A20...

Page 8: ... C MOTOR SWITCH LAMP Q TY PER SET 1 1 1 1 1 1 1 1 1 1 1 2 RE MARKS S S S S S S S S S S LOCATION NO 1 2 3 4 5 6 7 8 9 10 DESCRIPTION POWER CORD ASSEMBLY SWITCH ROTARY MOTOR ASSEMBLY SINGLE CAPACITOR COMPRESSOR O L P LAMP NEON CONTROL DEFROST HUMIDISTAT SWITCH ASSEMBLY MICRO DH4010A DH5010A 6411A20001K 6600A20001A 4681A20034A 6120AR2194S 5416AR2179J 6750U L039A 6912A30001D 6614A30001D 5216A20001A 66...

Page 9: ...th sides of front grille pull the front grille forward and upward See Figure 6 3 1 3 CONTROL BOX ASSY AND CABINET 1 Remove the Bucket the Air filter and Front grille according to the procedure above 2 Remove 3 screws that fasten Control box assy See Figure 7 3 Remove 9 screws on all sides of the cabinet 4 Lift the Cabinet from the base 5 Unhook control box assy from two up and lower hooks on the H...

Page 10: ...fastens Capacitor and Terminal block after control box assy is stretched as like figure 9 2 Disconnect all leads of Capacitor and Terminal block then remove them from control box 3 2 3 DEFROST CONTROL 1 Disconnect all leads of the Defrost control in the Control Box 2 Remove the defrost control from the Suction tube assy 3 2 4 MICRO SWITCH ASSY 1 Disconnect three leads connected in the Micro switch...

Page 11: ...own by the arrow H E assy means heat Exchange Assembly 3 2 7 HOUSING ASSY 1 Remove 4 screws that fasten the H E assy 2 Discharge the refrigerant by using a refrigerant Recovery System 3 After purging the unit completely unbrace the Discharge and the Suction tube assy 4 Unfaten 2 screws are located in back of Housing assy 5 Pull the Housing assy backward first then take it up from the base H E assy...

Page 12: ...1 Remove the cabinet Refer to section 3 1 3 2 Discharge the refrigerant by using a refrigerant Recovery System 3 After purging the unit completely unbrace the suction and discharge tubes at the compressor connections 4 Remove the nuts and washers which fasten the compressor See Figure 16 17 5 Remove the compressor See Figure 16 17 12 Figure 16 FOR DH2510A Recipro Comp FOR DH4010A DH5010A Rotary Co...

Page 13: ...pressor 6 Remove the H E assembly from the shroud See Figure 19 7 Unbrace the interconnecting tube at the connections of each condenser and evaporator assembly 8 Remove 4 screws between condenser and evaporator assembly See Figure 20 3 3 2 CAPILLARY TUBE ASSEMBLY 1 Remove the H E assembly Refer to section 3 3 1 2 After discharging the refrigerant completely unbrace the connecting pipes of capillar...

Page 14: ...e at the manifold connection 3 Open valve A and allow the proper charge to enter the system Valve B is still closed 4 If more charge is required the high side will not take it Close valve A 5 With the unit running open valve B and add the balance of the charge a Do not add the liquid refrigerant to the Low side b Watch the Low side gauge allow pressure to rise to 30 lbs c Turn off valve B and allo...

Page 15: ...e B A COMPRESSOR COMPOUND GAUGE MANIFOLD GAUGE SEE INSETS BELOW B A COMPRESSOR EXTERNAL VACUUM PUMP CHARGING CYLINDER HI LOW CAPILLARY TUBE COMPOUND GAUGE MANIFOLD GAUGE SEE INSETS BELOW A B A B C CONDENSER ASSEMBLY HIGH PRESSURE SIDE EVAPORATOR ASSEMBLY LOW PRESSURE SIDE CONDENSER ASSEMBLY HIGH PRESSURE SIDE EVAPORATOR ASSEMBLY LOW PRESSURE SIDE CAPILLARY TUBE Figure 22A Pulling Vacuum Figure 22B...

Page 16: ...main unit is securely positioned Check for gas leakage at heat exchange Assembly and connecting tube Set and use the dehumidifier at a sturdy flat and level place Clean the air filter Check if the air filter are clogged with dust Use at above 65 F 18 C of room temperature Check if motor Assembly fails Replace motor Assembly Check if compressor fails Replace compressor Check if defrost control fail...

Page 17: ...between 103 5V and 126 5V If not within limits call an electrician Check the wire connections If loose repair or replace the terminal If the wires are disconnected refer to wiring diagram for identification and replace the wires Check the wire connections If not according to the wiring diagram correct the connections Check for continuity refer to the wiring diagram for terminal identification Repl...

Page 18: ...eplace compressor Tighten them If knocking sounds continue when running or loose replace the motor If the motor hums or noise appears to be internal while running replace motor assembly The bucket should be properly positioned on the hangers of the drain pan Check connection and repair Replace bucket Before removing bucket the unit should be turned off Check micro switch and pan spring Check line ...

Page 19: ...5 EXPLODED VIEW INTRODUCTION 19 OUTER CASE PARTS OUTER CASE PARTS CYCLE PARTS CONTROL PARTS ...

Page 20: ... 20 OUTER CASE PARTS AND CONTROL PARTS 1 8 9 10 17 18 16 15 13 12 14 11 6 7 2 3 4 20 19 ...

Page 21: ... CYCLE PARTS AND CONTROL PARTS 21 22 21 24 32 33 34 35 36 37 29 30 31 23 MODEL DH2510A MODEL DH4010A DH5010A ...

Page 22: ... CYCLE PARTS 22 39 40 41 43 38 MODEL DH4010A MODEL DH2510A MODEL DH5010A RECIPRO COMP MODEL DH2510A ROTARY COMP MODEL DH5010A DH4010A MODEL DH5010A MODEL DH4010A MODEL DH2510A ...

Page 23: ...4B MOTOR ASSEMBLY SINGLE 1 S 22 5900AD2013A FAN ASSEMBLY PROPELLER 1 S 23 4H02861A FAN NUT 1 S 24 6614A30001D CONTROL DEFROST 1 S 25 3550C 0011A COVER P T C 1 S 26 6750C 0009B O L P 1 S 27 6748C 0003D P T C ASSEMBLY 1 S 28 5416A20002A COMPRESSOR RECIPRO 1 S 29 1NHA0801206 NUT HEXAGON 1 4 S 30 4810AR4155A BRACKET WASHER 4 S 31 4022U L001A ISOLATOR COMP 4 S 38 5211A30290A TUBE ASSEMBLY DISCHARGE 1 S...

Page 24: ...21 4681A20034A MOTOR ASSEMBLY SINGLE 1 S 22 5900AD2013A FAN ASSEMBLY PROPELLER 1 S 23 4H02861A FAN NUT 1 S 24 6614A30001D CONTROL DEFROST 1 S 29 1NHA0801206 NUT HEXAGON 1 3 S 30 4810AR4155A BRACKET WASHER 3 S 31 5040AR4195A ISOLATOR COMP 3 S 32 4H00947A NUT TERMINAL COVER 1 S 33 3550 CL001D TERMINAL COVER 1 S 34 4970U L002A SPRING O L P 1 S 35 6750U L039A O L P 1 S 36 4986U L001B GASKET 1 S 37 541...

Page 25: ...21 4681A20034A MOTOR ASSEMBLY SINGLE 1 S 22 5900AD2013A FAN ASSEMBLY PROPELLER 1 S 23 4H02861A FAN NUT 1 S 24 6614A30001D CONTROL DEFROST 1 S 29 1NHA0801206 NUT HEXAGON 1 3 S 30 4810AR4155A BRACKET WASHER 3 S 31 5040AR4195A ISOLATOR COMP 3 S 32 4H00947A NUT TERMINAL COVER 1 S 33 3550 CL001D TERMINAL COVER 1 S 34 4970U L002A SPRING O L P 1 S 35 6750U L039A O L P 1 S 36 4986U L001B GASKET 1 S 37 541...

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Page 28: ...P No 3828A30039B November 1999 Printed in Korea ...