Table of Contents
Summary of Contents for LG DHA1260HL
- Page 1 website http://www.lgservice.com e-mail http://www.lgeservice.com/techsup.html Dehumidifier SERVICE MANUAL MODEL: DHA1260HR/HL DHA1660HR/HL CAUTION - BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. - ONLY FOR AUTHORIZED SERVICE.
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Page 2: Table Of Contents
CONTENTS 1. PREFACE 1.1 SAFETY PRECAUTIONS ...........................3 1.2 FEATURES..............................3 1.3 DIMENSIONS .............................3 1.4 SPECIFICATIONS ............................4 1.5 CONTROL ..............................6 1.6 HOW TO OPERATE DEHUMIDIFIER ......................6 1.6.1 HOW DOES THE DEHUMIDIFIER WORK? ..................6 1.6.2 LOCATION FOR THE DEHUMIDIFIER.....................6 1.6.3 SWITCH ASSEMBLY, MICRO ......................7 1.6.4 THERMOSTAT AND SOLENOID VALVE(Hot gas defrost) ..............7 1.6.5 HUMIDISTAT.............................7 1.6.6 DRYER ASSEMBLY..........................7... -
Page 3: Preface
• Fan speed: High/Low 2 fan speeds • Drain hose connection. • Power ON/OFF indicator light. 1.3 DIMENSIONS (mm/in) 320 (12 320 (12 340 (13 9/16 9/16 High Fan Speed Max. Fan Speed Dryness Control Humidity Control • DHA1260HR • DHA1260HL • DHA1660HR • DHA1660HL —3—... -
Page 4: Specifications
1.4 SPECIFICATIONS MODELS DHA1260HL/HR ITEMS 32˚C 80% RH CAPACITY ( /Day) 27˚C 60% RH POWER SUPPLY (Phase, V, Hz) 1ø, 220~240V, 50Hz REFRIGERANT R134a REFRIGERANT CHARGE, g THERMOSTAT OPEN : -8˚C 1.5˚C CLOSE : 3˚C 1.5˚C HUMIDISTAT CONTROL RANGE : 20% ~ 80% RH... - Page 5 MODELS DHA1660HL/HR ITEMS 32˚C 80% RH CAPACITY ( /Day) 27˚C 60% RH POWER SUPPLY (Phase, V, Hz) 1ø, 220~240V, 50Hz REFRIGERANT R134a REFRIGERANT CHARGE, g THERMOSTAT OPEN : -10˚C 2˚C CLOSE : 5˚C 2˚C HUMIDISTAT CONTROL RANGE : 20% ~ 80% RH NORMAL SETTING : 42 5% RH COMPRESSOR MODEL NO.
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Page 6: Control
1.5 CONTROL Humidity Control • DHA1260HL, DHA1660HL • The Humidity Control can be set anywhere between Off and Max for normal operation. If you need more High dehumidification, turn the Humidity Control toward Max. If you need less dehumidification, turn the Humidity Control toward Off. -
Page 7: Switch Assembly, Micro
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. MODEL: DHA1260HL/HR, DHA1660HL/HR Figure 4 —7—... -
Page 8: Circuit Diagram
2. CIRCUIT DIAGRAM • MODEL : DHA1260HL/HR, DHA1660HL/HR BL(N) BR(L) GR/YL LAMP, NEON SOLENOID VALVE RD(BL) SWITCH, ROTARY COMP. MOTOR P.T.C. O.L.P. WIRING DIAGRAM 3854A20005A PART NO. LOCATION Q'TY DESCRIPTION DHA1260HL/HR DHA1660HL/HR PER SET MARKS 2H01159Y/ 6411A20001B 2H01159Y/ 6411A20001B POWER CORD ASSEMBLY 3H01652Q(For H.K) -
Page 9: Disassembly Instructions
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. -
Page 10: Control Parts And Cycle Parts
3.2 CONTROL PARTS AND CYCLE PARTS 3.2.1 ROTARY SWITCH AND HUMIDISTAT 1. Remove the cabinet (Refer to section 3.1.3) 2. Disconnect all leads of rotary switch and humidistat. 3. Remove 4 screws which fasten the rotary switch and humidistat. (See Figure 9) 4. -
Page 11: Drain Pan
3.2.5 DRAIN PAN Push 1. Remove the shroud. (Refer to section 3.2.4) 2. Remove 2 screws which fasten drain pan. 3. Remove drain pan by unhooking both sides slots. (See Figure 13) 4. Replace the components by referring to the removal procedure above. -
Page 12: Assembly Or Overload Protector (O.l.p.)
3.2.9 P.T.C. ASSEMBLY OR OVERLOAD PROTECTOR (O.L.P.) 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 or P.T.C. assembly. (See Figure 16) 5. -
Page 13: Refrigerating Cycle
3.3 REFRIGERATING CYCLE 3.3.1 CONDENSER ASSEMBLY AND EVAPORATOR ASSEMBLY(HEAT EXCHANGE ASSEMBLY) 1. Remove the motor mount. (Refer to 3.2.3) 2. Pierce the pinch-off tube to discharge the refrigerant, using a FREON recovery system. 3. Remove the insulation on the H/E assembly 4. -
Page 14: How To Replace Refrigeration System
A rise in pressure would USED ONLY FOR THE MODEL indicate a possible leak or moisture remaining in DHA1260HL/HR, DHA1660HL/HR. the system. With valves A and B closed, stop the vacuum pump. When discharging refrigerant R134a, purging... - Page 15 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. EVAPORATOR ASSEMBLY (LOW PRESSURE SIDE) CONDENSER ASSEMBLY (HIGH PRESSURE SIDE) CONDENSER ASSEMBLY COMPOUND GAUGE (HIGH PRESSURE SIDE) COMPOUND GAUGE...
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Page 16: Troubleshooting Guide
4. TROUBLESHOOTING GUIDE CONDITION CAUSE REMEDY The dehumidifier does not Check if humidistat is set to Set humidistat on a higher run. a low level. level. Check if bucket full lamp Empty the water in the is lit ON. bucket. Check circuit breaker. - Page 17 CONDITION CAUSE REMEDY 1. Dehumidifier does not operate. (Both No power Check power supply at outlet. compressor and fan motor do not Correct if none. operate.) Poor plug contact at outlet. Install plug properly or replace it. Bucket is full. If Auto Shut Off lights, empty the bucket.
- Page 18 CONDITION CAUSE REMEDY 5. Noisy operating If cracked, out of balance, or partially missing, replace it Foreign material plunged and rattle. Remove it. Tube hits frame. Adjust tubing routine carefully. Fan blade hits frame Check Motor Mount. If loose, tighten it. Internal compressor noise.
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Page 19: Exploded View - Introduction
5. EXPLODED VIEW - INTRODUCTION OUTER CASE PARTS CONTROL PARTS CYCLE PARTS OUTER CASE PARTS —19—... - Page 20 • OUTER CASE PARTS AND CONTROL PARTS • MODEL: DHA1260HL DHA1660HL • MODEL: DHA1260HR DHA1660HR —20—...
- Page 21 • CYCLE PARTS AND CONTROL PARTS —21—...
- Page 22 • CYCLE PARTS MODEL: DHA1260HL/HR MODEL: DHA1660HL/HR —22—...
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Page 23: Replacement Parts List
6. REPLACEMENT PARTS LIST • MODEL: DHA1260HL/HR PART NO. Q'TY LOCATION DESCRIPTION DHA1260HL DHA1260HR PERSET MARKS OUTER CASE PARTS 3041AD2007E BASE ASSEMBLY WELD [SINGLE] 3090A10001E 3090A10001E CABINET 3531A20012C 3531A20014D GRILLE ASSEMBLY, FRONT 4790AD2003B BARRIER, SINGLE 4838A10001A 4838A10001A TANK, BUCKET 4941A30002A... - Page 24 • MODEL: DHA1660HL/HR PART NO. Q'TY LOCATION DESCRIPTION DHA1660HL DHA1660HR PERSET MARKS OUTER CASE PARTS 3041AD2007E BASE ASSEMBLY WELD [SINGLE] 3090A10001E 3090A10001E CABINET 3531A20012C 3531A20014D GRILLE ASSEMBLY, FRONT 4790AD2003B BARRIER, SINGLE 4838A10001A 4838A10001A TANK, BUCKET 4941A30002A 4941A30008A KNOB ASSEMBLY 5230AD3005C 5230AD3005A FILTER MECH, AIR 3086AD2014F...
- Page 25 P/No.: 3828A30001W Printed in China...