Related Manuals for LG LK-0329CH/AH
Summary of Contents for LG LK-0329CH/AH
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Page 1: Service Manual
LK-SM-101 Single Packaged Air Conditioner SERVICE MANUAL MODELS: LK-0329CH/AH LK-0429CH/AH LK-0529CH/AH... -
Page 2: Table Of Contents
Contents Model Number Nomenclature....................3 General Data ..........................4 Dimensions ..........................5 Refrigerant Circuit Diagram....................6 Wiring Diagram ........................7 Troubleshooting Guide ......................8 Features of Controller ......................14 Exploded View and Replacement Parts List ..............15 Specification of Components.....................18 — 2 —... -
Page 3: Model Number Nomenclature
Model Number Nomenclature L K - 0 5 2 9 C H H: Horizontal Flow C: Cooling Only A: Gold Fin + Cooling Only Development Sequence 2 : 220V, 60Hz, 1Ø Nominal cooling capacity 03 : 3 ton 04 : 4 ton 05 : 5 ton Single Package Air Conditioner —... -
Page 4: General Data
Nominal CFM CFM 1,050 1,590 1,750 SEER Cooling (BTU/hr.W) 10.0 11.0 10.0 Sound Rating Cooling dB(A) Features LG Electronic Thermostat Option Option Option Time Delay Safety Function ¥ ¥ ¥ Cooling Operation Mode ¥ ¥ ¥ Heating Operation Mode(with E/Heater) ¥... -
Page 5: Dimensions
Dimensions LK-0329CH/AH, LK-0429CH/AH, LK-0529CH/AH CLEARANCE 34" CLEARANCE 48" Unit : Inch(mm) (HORIZONTAL) (725) (830) (1102) (525) CLEARANCE 34" (73) Center line of hole 1.5" Dia. hole power wires 1.5" Dia. hole other purpose CLEARANCE 18" Unit : Inch(mm) (335) (38) -
Page 6: Refrigerant Circuit Diagram
Refrigerant Circuit Diagram LK-0329CH/AH, LK-0429CH/AH, LK-0529CH/AH PRESSURE LOW-PRESSURE PORT SWITCH SUCTION LINE PRESSURE OUTDOOR INDOOR PORT COIL COIL DISCHARGE LINE CAPILLARY : REFRIGERANT FLOW TUBE — 6 —... -
Page 7: Wiring Diagram
Wiring Diagram LK-0329CH/AH, LK-0429CH/AH, LK-0529CH/AH DIAGRAM WIRING(WITH LG'S THERMOSTAT) 1Ø 208~230V,60Hz 1Ø 208~230V,60Hz NOTES POWER SUPPLY POWER SUPPLY BK:BLACK OR:ORANGE YL:YELLOW FACTORY WIRING OPTIONAL WIRING BR:BROWN RD:RED USING FIELD WIRING BL:BLUE WH:WHITE ELECTRIC T/B : TERMINAL BLOCK HEATER TERMINAL BLOCK TRANS CUT "X"POINT OF WIRE... -
Page 8: Troubleshooting Guide
Troubleshooting Guide In general, possible trouble is classified in two causes. The one is called Starting Failure which is caused from an electrical defect, and the other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application. Unit runs but ineffective cooling Ineffective Cooling or Heating Check of cold (warm) air cir-... - Page 9 Troubleshooting Guide Fails to Start Check power source. Check of circuit breaker and fuse. Check control switch Check control switch. setting. Compressor only fails to Fan only fails to start. start. Electric heater is not energized Improper wiring. Drop of power voltage. Loose terminal connection.
- Page 10 Troubleshooting Guide PACKAGE AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 208~230V 187V 253V 1. No cooling and heating operation performed 1) Both the blower and the compressor do not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Other parts except the •...
- Page 11 Troubleshooting Guide 3) Only outdoor fan does not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Motor • Over-heated Check how it is insulated. Repair or replace it. • Wire short Electric Wiring Cut off of wiring Check it with a tester. Rewiring or repair.
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Page 12: The Units Discontinue After The Operation Started
Troubleshooting Guide 2. The Units discontinue after the operation started WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Wash it by means of Coil is dirty *1 Checking Outdoor coil something like chemical washing. Extract air by vacuum In-condensable gas Air intruded into the In the event that difference between the pump, then replenish... -
Page 13: The Unit Is Working, But Not Cooling And Heating Sufficiently
Troubleshooting Guide 3. The unit is working, but not cooling and heating sufficiently (Both blower and compressor are working) WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Load Heat load increased. Much Cooling or Heating Do necessary disposal load Window or door has many respectively. -
Page 14: Features Of Controller
Features of Controller 1. Timer PCB Circuit Diagram R06M DO1M R03M R01M AC220V Q01M 1N4148 220K KRC107K 60Hz RY01M JQ1a-12V C01M R02M 3.3uF IC01M KA393 D02D~D05D 1SR139-600 INR14D471 IC01D Magnetic D04D D02D Relay 7812 D05D D03D C04D C01D 470uF C02D RY01M JQ1a-12V TRANS... -
Page 15: Exploded View And Replacement Parts List
Exploded View and Replacement Parts List 1. LK-0329CH/AH, 0429CH/AH, 0529CH/AH • Exploded View 249950 268716 W0CZZ-1 261704 W0CZZ-2 669200 666000 — 15 —... - Page 16 Exploded View and Replacement Parts List 346810 546810 554160 359012 559010 354210 554031 552111 330870 — 16 —...
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Page 17: Replacement Parts List
Exploded View and Replacement Parts List Replacement Parts List LOCATION P/NO. DESCRIPTION REMARKS LK-0329CH LK-0329AH LK-0429CH LK-0429AH LK-0529CH LK-0529AH 249950 CONTROL BOX ASSY, SINGLE 4995A10060B 4995A10060B 4995A10060A 4995A10060A 4995A10060E 4995A10060E 261704 TRANSFORMER, POWER 6170A10001E 6170A10001F 6170A10001E 6170A10001F 6170A10001E 6170A10001F 268716 TIMER 3Q010117C 3Q010117C... -
Page 18: Specification Of Components
Specification of Components LK-0329CH/AH LK-0429CH/AH LK-0529CH/AH COMP P/No. 2520UFJK1AA 5416A10002B Model name SQ032KAA SQ042KAA H20R583ABCA *RLA 14.0 17.1 **LRA Q'ty INDOOR MOTOR P/No. 4681A20057C 4681A20057B 4681A20057B Output 0.5Hp 0.5Hp 0.5Hp Shaft Dia. 15 mm 15 mm 15 mm 840(Hi) 1,020(Hi) - Page 19 May, 2002 P/No.: 3828A20220B Printed in Korea...