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Goldstar DH3010B manual

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Table of contents for the manual

  • Page 1

    Dehumidifier SER VICE MANUAL MODEL: DH3010B(DHA3012DL) DH4010B(DHA4012DL) DH5010B(DHA5012DL) CAUTION - BEFORE SER VICING THE UNIT , READ THE SAFETY PRECAUTIONS IN THIS MANUAL. - ONL Y FOR AUTHORIZED SERVICE. http://biz.LGservice.com http://www .LGservice.com/techsup.html[...]

  • Page 2

    —2— 1. PREF ACE 1.1 SAFETY PRECAUTIONS ........................................................................................................................... 3 1.2 FEATURES ................................................................................................................................................. 3 1.3 DIMENSIONS .....[...]

  • Page 3

    —3— 1. PREF ACE 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 prior to servicing the unit. 1.1 SAFETY PRECAUTIO[...]

  • Page 4

    — 4 — 1.4 SPECIFICA TIONS CAPACITY (Pint/Day) 30 40 50 POWER SUPPLY (Phase, V, Hz) 1 ø , 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 QA075CH QA082CH TYPE P220MC TIME AMPERE [...]

  • 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 several degrees and discharged out the front grille int[...]

  • Page 6

    1.6.5 HUMIDIST A T 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 the first using the dehumidifier, it is recommen[...]

  • Page 7

    — 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 PER SET 1 1 1 1 1 1 1 1 1 1 1 RE- MARKS[...]

  • 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 CAPACITOR Q'TY PER SET 1 1 1 1 1 1 1 1 1 1 R[...]

  • Page 9

    — 9 — • MODEL : DH4010B/DHA4012DL, DH5010B/DHA5012DL(THERMOST A T CONTROL TYPE) BK WH SWITCH, ROT ARY SWITCH, LAMP BK C H BR BK LAMP , NEON THERMOST A T O.L.P WIRING DIA GRAM 3854A20015M BL BK RD BK BR BR RD COMP R C S RD OR OR 4 6 1 GR/YL GR/YL M OTO R C N.O N.C 12 BR YL CAP ACIT OR HUMIDIST A T BK ( HI ) RD ( LO W ) L C Q'TY PER SET 1 [...]

  • Page 10

    3.1 MECHANICAL P ARTS 3.1.1 BUCKET AND AIR FIL TER 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. By pushing the both sides of front grille, pull[...]

  • Page 11

    3.2 CONTROL P ARTS 3.2.1 ROT AR Y SWITCH, HUMIDISA T 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, humidistat and neon lamp. 3. Remove 4 screws which[...]

  • Page 12

    3.2.7 F AN 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 the Motor. 3.2.8 SHROUD AND BARRIER 1. Discharge [...]

  • Page 13

    — 13 — 3.3 REFRIGERA TING CYCLE 3.3.1 CONDENSER, EV APORA TOR AND CAPILLAR Y TUBE(HEA T EXCHANGE ASSEMBL Y) 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 screws between the shroud and H/E. (See Fi[...]

  • 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 ROT AR Y COMPRESSOR 1. Remove the cabinet. (Refer to section 3.1.3) 2. Discharge the[...]

  • 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 the valves open. 4. Solder the pinch-off tu[...]

  • 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 EXTERNAL VACUUM PUMP CHARGING CYLINDER HI LOW [...]

  • Page 17

    —17— Dehumidifier does not dr y the air as it should. The fuse is blo wn/circuit breaker is tripped. Make sure the dehumidifier's plug is pushed completely into the outlet. Dehumidifier does not star t. Ineff ective dehumidifying Noise Repair gas leak. Buck et is not in the proper position and light is on. Check if wiring loose or f ails. [...]

  • 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 disconnect or loose Capacitor. (Discharge capacitor be[...]

  • 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. Connection may be loose. Leak in bucket Water [...]

  • 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(THERMOST A T 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

    — 23 — 6. REPLACEMENT P ARTS 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 249950 CONTROL BOX ASSY 4995A20085F W6640 TER[...]

  • 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 ASSY 4995A20085E 264110 POWER CORD ASSY 6411A20001[...]

  • 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 BOX ASSY 4995A20085J 4995A20085G 264110 POW[...]

  • Page 26

    • MEMO • — 26 —[...]

  • Page 27

    P/No : 3828A30039T March, 2001 Printed in Korea[...]