LG ElectronicsメーカーLWJ0561ACP/AAGの使用説明書/サービス説明書
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Room Air Conditioner SER VICE MANU AL MODEL: L WJ0561A CG L WJ0561 A CP /AAG CA UTION - BEFORE SER VICING THE UNIT , READ THE "SAFETY PRECA UTIONS" IN THIS MANU AL. - ONL Y FOR A UTHORIZED SER VICE PERSONNEL. WEBSITE http://biz.LGservice.com E-MAIL http://www .
—2— CONTENTS 1. PREF A CE .................................................................................................................................................. 3 1.1 FEA TURES ..........................................................
—3— 1. PREF A CE This ser vice man ual provides v arious ser vice inf or mation, including the mechanical and electrical par ts , etc. This room air conditioner was man ufactured and assemb led under a strict quality control system. The refrigerant is charged at the f actor y .
—4— 1.3 LOCA TIONS OF CONTROLS 1.4 SAFETY PRECA UTIONS 1. When ser vicing, set the RO T AR Y SWITCH to Off ( 0 ) and unplug the power cord. 2. Obser ve the original lead dress. If a shor t circuit is f ound, replace all par ts which hav e been ov erheated or damaged by the short cir- cuit.
— 5 — 2. DISASSEMBL Y INSTR UCTIONS 2.1 MECHANICAL P ARTS 2.1.1 FRONT GRILLE 1. Disconnect the unit from the power source . 2. Remov e the two knobs b y pulling them off. Using a screwdriv er , remov e the screw that secures the front grille to control board.
— 6 — 2.2 AIR HANDLING P ARTS 2.2.1 AIR GUIDE UPPER 1. Disconnect the unit from the power source . 2. Remov e the front grille. (Ref er to Section 2.1.1) 3. Remov e the cabinet. (Ref er to Section 2.1.2) 4. Remov e the control board. (Ref er to Section 2.
— 7 — 2.2.3 MO T OR 1. Disconnect the unit from the pow er source. 2. Remov e the front grille. (Ref er to Section 2.1.1) 3. Remov e the cabinet. (Ref er to Section 2.1.2) 4. Remov e the control board. (Ref er to Section 2.1.3) 5. Remov e the air guide upper .
— 8 — 2.3.3 CAP A CITOR 1. Remov e the cabinet. (Ref er to Section 2.1.2) 2. Remov e the control board. (Ref er to Section 2.1.3) 3. Discharge the capacitor by placing a 20 K Ω resistor across the capacitor ter minals. 4. Remov e the screw which f astens the capacitor clamp .
2.4.2 EV APORA T OR 1. Remov e the cabinet. (Ref er to section 2.1.2) 2. Discharge the refrigerant by using a refrigerant recov er y system. 3. Remov e the air guide upper . (Ref er to Section 2.2.1) 4. After discharging the refrigerant completely , unbraze the interconnecting tube at the e vaporator connections.
— 10 — Equipment needed: V acuum pump , charging cylinder , manifold gauge , brazing equipment, pinch-off tool capab le of making a vapor proof seal, leak detector , tubing cutter , hand tools to remove components and service valv e.
— 11 — 3. INST ALLA TION This air conditioner is designed with a button- down chassis so that it can be installed simply in a window . 3-1. SELECT THE BEST LOCA TION 1. T o pre vent vibr ation and noise, mak e sure the unit is installed securely and firmly .
— 12 — 3.4 HO W T O INST ALL • WHEN USING GASKET 2 1 2 F E C 3 G A B RIGHT SIDE HORIZONTAL LINE D 1. WINDO W (A - WIDTH ,B-H EIGHT) 2. GASKET 3. W ALL AB C D E F G 487mm 324mm 30mm 0~25mm O VER .
— 13 — 4.2 PIPING SYSTEM F ollowing is a brief descr iption of the impor tant components and their function in what is called the refr igeration system. Ref erence should be made to Figure 26 to follo w the refrigerating cycle and the flow of the refrigerant in the cooling cycle.
— 14 — 4.3 TR OUBLESHOO TING GUIDE In general, possib le trouble is classified in two kinds . The one is called Starting Failure which is caused from an electrical defect. The other is Ineff ective Air Conditioning caused from a def ect in the refrigeration circuit and improper application.
— 15 — Fails to Start Improper thermostat setting Loose terminal connection Improper wiring Check of po wer source. Drop of power v oltage. Capacitor check. Replacement. Check of control s witch setting. Compressor f ails only to star t. Def ect of compressor capacitor .
— 16 — ROOM AIR CONDITIONER V OL T A GE LIMITS NAME PLA TE RA TING MINIMUM MAXIMUM 220V~240V 198V 264V COMPLAINT CA USE REMED Y F an motor will not run. No power Check v oltage at outlet. Correct if none. P ow er supply cord Check v oltage to rotar y s witch.
— 17 — COMPLAINT CA USE REMED Y F an motor noise. F an If crac ked, out of balance, or partially missing, replace it. Blower If crac ked, out of balance, or partially missing, replace it. Loose set screw Tighten it. W or n bear ings If knocking sounds contin ue when running or loose, replace the motor .
— 18 — COMPLAINT CA USE REMED Y Compressor cycles on F an motor If not r unning, deter mine the cause. Replace if ov erload required. Condenser air flow Remov e the cabinet, inspect the interior surface restriction of the condenser . If restricted, clean carefully with a vacuum cleaner (do not damage fins) or brush.
5. SCHEMA TIC DIA GRAM — 19 — 5-1. CIRCUIT DIA GRAM • MODEL : L WJ0561A CG MOTOR C F H 7 8 6 4 2 1 5 3 H L M POWER INPUT ROTARY SWITCH THERMOSTAT BR BK RD BK RD OR(BR) YL BK(BR) (Plain) WH(BL) (Ribbed) GN(GN/YL) COMP.
— 20 — • MODEL : L WJ0561A CP/AA G DESCRIPTION & NAME P O W E RC O R DA S S Y FA N M O T O R COMPRESSOR ROT ARY SWI T C H THERMOST A T CAP A CIT OR O VERLO AD PRO TECT OR Q'TY 1 1 1 1 1 1 1 REF .
— 21 — 6. EXPLODED VIEW 152302 135313 352390 159900-2 145200 159900-1 130410 359012 W48602 135312 149410 354210 349480 352380 149980 559011 346811 554030 266003 264110 269310 W0CZZ 249950 135510 5.
— 22 — 7. SER VICE P AR TS LIST 130410 BASE ASSEMBL Y , SINGLE 3041A10011G 3041A10011G 3041A10011G R 130910 CABINET ASSEMBL Y , SINGLE 3091A10020B 3091A10020B 3091A10020B R 135312 GRILLE ASSEMBL Y.
P/NO:3828A20118B April, 2002 Printed in Korea.
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