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Goldstar , DH4010B Service Manual

Other manuals for , DH4010B: Owner's Manual
Manual is about: Goldstar Dehumidifier User Manual

Summary of , DH4010B

  • Page 1

    Dehumidifier service manual model: dh3010b(dha3012dl) dh4010b(dha4012dl) dh5010b(dha5012dl) 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: Contents

    —2— 1. Preface 1.1 safety precautions ...........................................................................................................................3 1.2 features................................................................................................................................

  • Page 3: 1. Preface

    —3— 1. Preface this service manual provides various service information, containing the mechanical and electrical parts etc. This dehumidifier was manufactured and assembled under the strict quality control system. The refrigerant is charged at the factory. Be sure to read the safety precaution prio...

  • Page 4

    —4— 1.4 specifications capacity (pint/day) 30 40 50 power supply (phase, v, hz) 1ø, 115v, 60hz refrigerant r134a r22 refrigerant charge, oz(g) 4.76(135) 5.11(145) 7.05(200) control, defrost thermostat humidistat control range : 20% ~ 80% rh normal setting : 42 ± 5% rh compressor model no. Lx86hacg q...

  • Page 5

    1.6.1 how does the dehumidifier work? Moist, humid air is drawn over a cold refrigerated dehumidifying coil. Moisture in the air condenses on this coil and drains into a bucket (or through the bucket into a hose and drain). Dry, clean air is drawn over the condenser where it is actually heated sever...

  • Page 6

    1.6.5 humidistat humidistat controls constant relative humidity in the room automatically. When the relative humidity in the room increases to the selected level, the dehumidifier starts automatically. And the relative humidity drops to the selected level, the dehumidifier stops automatically. When ...

  • Page 7: 2. Circuit Diagram

    —7— 2. Circuit diagram • model : dh3010b/dha3012dl lamp, neon terminal block wiring diagram 3854a20015h control, defrost o.L.P. Switch, rotary c br yl br br br 6 4 1 1 humidistat 2 bk bk m s 5 6 3 4 c comp. Bk wh or(com) rd(lo) bk(hi) or rd(l) bk(hi) gr/yl bl n.C n.O motor switch, lamp gr/yl q'ty pe...

  • Page 8

    —8— • model : dh4010b/dha4012dl, dh5010b/dha5012dl(defrost control type) lamp, neon wiring diagram 3854a20015g control, defrost o.L.P. Switch, rotary c br yl br br br 6 4 1 1 humidistat 2 bk rd bk rd bk s r c comp. Bk wh or or c h rd(lo) bk(hi) rd bk gr/yl gr/yl bl n.C n.O motor switch, lamp capacit...

  • Page 9

    —9— • model : dh4010b/dha4012dl, dh5010b/dha5012dl(thermostat control type) bk wh switch, rotary switch, lamp bk c h br bk lamp , neon thermostat o.L.P wiring diagram 3854a20015m bl bk rd bk br br rd comp r c s rd or or 4 6 1 gr/yl gr/yl motor c n.O n.C 1 2 br yl cap a cit or humidist a t bk(hi) rd(...

  • Page 10: 3. Disassembly Instructions

    3.1 mechanical parts 3.1.1 bucket and air filter 1. Disconnect the power supply. 2. Turn the humidity control off. 3. Remove the bucket. (see figure 5) 4. Flex the filter at the lower right corner and take it off. (see figure 5) 3.1.2 front grille 1. Remove 2 screws which fasten the front grille. 2....

  • Page 11

    3.2 control parts 3.2.1 rotary switch, humidisat and neon lamp 1. Unfasten screws located in the bottom side of control box (see figure 9) and fasten capacitor clamp. (dh5010b/dh4010b) and then unfold two sides of control box. (see figure 9) 2. Disconnect housing and all leads of rotary switch, humi...

  • Page 12

    3.2.7 fan and motor 1. Turn the nut left and full out the fan by hands carefully. 2. Remove 2 screws that fasten heat exchange. 3. Lift the h/e and open the h/e around 45 degree clockwise carefully. (see figure 14) 4. Unfasten 3 screws that secure the motor and earth wire. (see figure 15) 5. Remove ...

  • Page 13

    —13— 3.3 refrigerating cycle 3.3.1 condenser, evaporator and capillary tube(heat exchange assembly) 1. Remove the insulation on the h/e assembly 2. Pierce the pinch-off tube to discharge the refrigerant, using a freon tm recovery system. 3. After discharging the refrigerant completely, remove 2 scre...

  • Page 14

    1. Remove the cabinet. (refer to section 3.1.3) 2. Remove a screw or a nut which fastens the terminal cover 3. Disconnect the lead wire from the overload protector or p.T.C. Assembly. 4. Remove the overload protector(o.L.P) or p.T.C. Assembly. (see figure 20) 3.3.3 rotary compressor 1. Remove the ca...

  • Page 15

    —15— 1. When replacing the refrigeration cycle, be sure to discharge the refrigerant system by using a refrigerant recovery system. 2. After discharging the unit completely, remove the desired component, and unbrace the pinch-off tubes. 3. Solder service valves into the pinch-off tube ports, leaving...

  • Page 16

    —16— equipment needed: vacuum pump, charging cylinder, manifold gauge, brazing equipment. Pinch-off tool capable of making a vapor-proof seal, leak detector, tubing cutter, hand tools to remove components, service valve. B a compressor compound gauge manifold gauge see insets below b a compressor ex...

  • Page 17: 4. Troubleshooting Guide

    —17— dehumidifier does not dry the air as it should. The fuse is blown/circuit breaker is tripped. Make sure the dehumidifier's plug is pushed completely into the outlet. Dehumidifier does not start. Ineffective dehumidifying noise repair gas leak. Bucket is not in the proper position and light is o...

  • Page 18

    Condition 1. Dehumidifier does not start. (both compressor and fan motor do not operate.) 2. Motor runs but compressor does not run. 3. Does not defrost control. 4. Insufficient dehumidification cause no power poor plug contact at outlet. Bucket is full. Humidity control is at off position wire disc...

  • Page 19

    —19— condition 5. Noisy operating 6. Water drips 7. Compressor cycles on overload protector. (o.L.P.) cause fan some material plunged and rattle. Tube hits frame. Fan blade hits frame internal compressor noise. Loose set screws worn bearings of motor assembly the bucket is not installed properly. Co...

  • Page 20

    5. Exploded view - introduction • model: dh3010b/dha3012dl —20— 266011 269120 266140 266003 252160 149410 135312 264110 249950 w6640 152302 147910 550140 554030 552111 130900 130411 148380 354211 346811 349600 549990 359012 352113 35211a 667482 567502 554160

  • Page 21

    —21— • model: dh4010b/dha4012dl, dh5010b/dha5012dl(defrost control type) 269130 266003 252160 149410 135312 264110 w0czz 152302 147910 266011 567502 554160 550140 554030 552111 130900 130411 148380 354211 346811 349600 549990 359012 352113 35211a 249950

  • Page 22

    —22— • model: dh4010b/dha4012dl, dh5010b/dha5012dl(thermostat control 149410 135312 152302 147910 266011 567502 554160 550140 554030 552111 130900 130411 148380 354211 346811 349600 549990 359012 352113 35211a 269120 266003 252160 264110 249950 269310 w0czz.

  • Page 23: 6. Replacement Parts List

    —23— 6. Replacement parts list • model: dh3010b, dha3012dl 130411 base assy, weld(single) 3041ad2007b 130900 cabinet 3090a10001j 135312 gille assy, front 3531a20012b 147910 barrier assy 4791a10002b 148380 tank, bucket 4838a20005a 149410 knob assy 4941a30002a 152302 filter(mech), air 5230ad3005a 2499...

  • Page 24

    130411 base assy, weld(single) 3041ad2007c 130900 cabinet 3090a10001j 135312 gille assy, front 3531a20012b 147910 barrier assy 4791a10002a alt)4791a10002b 148380 tank, bucket 4838a20005a 149410 knob assy 4941a30002a 152302 filter(mech), air 5230ad3005a w0czz capacitor 0czza20001q 249950 control box ...

  • Page 25

    —25— 130411 base assy, weld(single) 3041ad2007c 130900 cabinet 3090a10001j 135312 gille assy, front 3531a20012b 147910 barrier assy 4791a10002a alt)4791a10002b 148380 tank, bucket 4838a20005a 149410 knob assy 4941a30002a 152302 filter(mech), air 5230ad3005a w0czz capacitor 0czza20001q 249950 control...

  • Page 26: • Memo •

    • memo • —26—.

  • Page 27

    P/no : 3828a30039t march, 2001 printed in korea.