Manuel d'utilisation / d'entretien du produit LW1804ER du fabricant LG Electronics
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LG Room Air Conditioner SERVICE MANUAL LG MODELS: LW1800PR LW1800ER LW1800ERZ3 LW1500PR LW1500PRY3 LWP1830WAL LWP1820PDL LWP1820PEL LWC182PLMM0 LWC183PLMD1 LWC212PLMM0 LW1804ER LW1800PRZ3 HBLG1803R CAUTION website http://www.lgservice.com • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
2 Room Air Conditioner Air Conditioner Ser vice Manual T ABLE OF CONTENTS Safety Precautions ..........................................................................................................................................3 Dimensions .......
Ser vice Manual 3 Saf ety Precautions Safety Precautions T o pre v ent injur y to the user or other people and proper ty damage, the f ollowing instructions must be f ollowed. ■ Incorrect operation due to ignoring instruction will cause har m or damage.
4 Room Air Conditioner Saf ety Precautions Do not modify or extend the po wer cord. • There is risk or fire or electr ic shoc k. Do not install, remove, or re-install the unit b y y ourself(customer). • There is risk of fire, electric shock, e xplosion, or injur y .
Ser vice Manual 5 Dimensions Dimensions D W H ' F TIMER POWER MODE TEMP FAN SPEED F1 LOW F2 MED F3 HIGH Dry Timer Fan Energy Saver Cool W mm(inch) 660(25 31 / 32 ) H mm(inch) 428(16 27 / 32 ) D mm(inch) 680(26 27 / 32 ) Model Dimension ALL MODELS Outside Dimensions This symbol alerts you to the risk of electric shoc k.
6 Room Air Conditioner Specfications Pr oduct Specifications POWER SUPPLY CAPACITY (BTU/h) INPUT (W) COOLING RUNNING CURRENT (A) E.E.R (BTU/W.h) CAPACITY (BTU/h) INPUT (W) HEATING RUNNING CURRENT (A) E.
Ser vice Manual 7 Installation Installation Select the Best Location Installation Chec k How to Secure the Drain Pipe 1. To avoid vibration and noise, make sure the unit is installed securely and firmly. 2. Install the unit where the sunlight does not shine directly on the unit.
8 Room Air Conditioner Installation How to Install When Using Installation Kits 1. Window Requirements This unit is designed for installation in standard double hung windows with actual opening widths from 29" to 41".
Ser vice Manual 9 Suggested tool Requirements Preparation of Chassis 1. Remove the screws which fasten the cabinet at both sides and at the back. Keep these two screws which fasten the cabinet at both sides for later use. 2. Slide the unit out from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet.
10 Room Air Conditioner Installation Cabinet Installation 1. Open the window. Mark a line on the center of the window stool between the side window stop moldings. Loosely attach the sill bracket to the support bracket using the carriage bolt and the lock nut.
Ser vice Manual 11 Installation 5. Pull each Frame curtain fully to each window sash track, and pull the bottom window sash down behind the Top retainer bar until it meets. 6. Attach each Frame curtain the window sash by using screws (Type C). (See Fig.
12 Room Air Conditioner Operation • Designed for COOLING ONLY. • Powerful and quiet cooling. • Slide-in and slide-out chassis for the simple instal- lation and service.
Ser vice Manual 13 Operation FAN SPEED SELECTOR Every time you push this button, it is set as follows. (Hi ➔ Low ➔ Med ➔ Hi ➔ Low ➔ ...) ON/OFF TIMER BUTTON You can set the time when the unit will turn on or turn off automatically by pressing the timer button.
14 Room Air Conditioner REMO TE CONTROL DISPLA Y TIMER MODE TEMP PO WER FA N SPEED ° F 1 2 3 4 5 F1 LOW F2 MED F3 HIGH COOL DRY ENERGY SA VER FA N TIMER 6 Pow er T emp Fan Speed Timer Mode 1 2 3 4 5 .
Ser vice Manual 15 POWER BUTTON Operation starts, when this button is pressed and stops when you press the button again. ROOM TEMPERATURE SETTING BUTTON Control the room temperature within a range of 16 ° C to 30 ° C. The room temperature will be adjusted by 1 ˚ C 30min.
16 Room Air Conditioner Disassembly Disassembl y Mechanical P arts — Before the following disassembly, CONTROL BOX set to OFF and disconnect the power cord. 1. Front Grille 1. Open the lnlet grille downward and remove the air filter. 2. Remove the screw that fastens the front grille.
Ser vice Manual 17 Disassembly Figure 18 Figure 19 Figure 20 Figure 21 4. Air Guide and T urbo Fan 1. Remove the front grille. (Refer to section 1) 2. Remove the cabinet. (Refer to section 2) 3. Remove the control box. (Refer to section 3) 4. Remove the 4 screws that fasten the brace.
18 Room Air Conditioner 6. Shroud 1. Remove the fan. (Refer to section 5) 2. Remove the shroud. (See Figure 22) 3. Re-install the components by referring to the removal procedure, above. 7. Overload Protector 1. Remove the cabinet. (Refer to section 2) 2.
Ser vice Manual 19 Disassembly 9. Capacitor 1. Remove the control box. (Refer to section 3) 2. Open the top cover from the control box. (See Figure 25) 3. Pull out the capacitor from the control box. 4. Disconnect all the leads of capacitor terminals.
20 Room Air Conditioner Disassembly 11. Motor 1. Remove the cabinet. (Refer to section 2) 2. Remove the turbo fan. (Refer to section 4) 3. Remove the fan. (Refer to section 5) 4. Remove the 4 screws that fasten the motor from the air guide. (See Figure 27) 5.
Ser vice Manual 21 Disassembly — Replacement of the refrigeration cycle. 1. When replacing the refrigeration cycle, be sure to Discharge the refrigerant system using a Freon TM recovery System. If there is no valve to attach the recovery system, install one (such as a WATCO A-1) before venting the Freon TM .
22 Room Air Conditioner Disassembly Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capable of making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Service valve.
Ser vice Manual 23 Schematic Dia gram 4WAY MAIN POWER CAPACITOR MOTOR FAN 35V 2 4 D02D~D05D 1N4004 SVC271D-14A CN-PWR FUSE 125V/T2A ZNR01J 0.1/275V C01J CN-MOTOR 120 1/2W R01J + + POWER TRANS 1 7 220 C05D 10V C06D 25V 0.01 D05D D02D D03D + C01D 1000 D04D C03D 1000 16V 25V C04D 0.
24 Room Air Conditioner Schematic Diagram 33 22 11 HVB 5V b c R04P X O O X 5V R04P 8 EEPROM Model 1 EEPROM A0 5V S7136 IC01A 3.6V 2 1 R01A 20K 3 + 10V 1uF C02A CAT93C46 Vcc Auto Restart Non Auto Resta.
Ser vice Manual 25 Schematic Diagram ■ MODEL : LWP1820PDL/LWP1820PEL ■ MODEL : LW1800ERZ3/LW1800PR, HBLG1803R LW1800ER/LWP1830WAL ■ MODEL : LWC182PLMM0/LWC212PLMM0 ■ MODEL : LW1500PRY3/LW1500P.
Schematic Diagram 26 Room Air Conditioner Components Location ■ MODEL: L W1800PR/L W1800ER L W1500PR/L WP1830W AL L WP1820PDL/L WP1820PEL L W1800ERZ3/L W1804ER L WC183PLMD1 ■ MODEL: L WC182PLMM0/L.
Ser vice Manual 27 Schematic Diagram ■ MODEL: L W1800ER/L WP1820PDL/L WP1820PEL ■ MODEL: L W1804ER/L W1500PR Y3/L W1800PRZ3/L WC183PLMD1.
28 Room Air Conditioner T roubleshooting Guide T r oubleshooting Guide Piping System Figure 31 is a brief description of the important components and their function in what is called the refrigeration system. This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle.
Ser vice Manual 29 T roubleshooting Guide T r oubleshooting Guide In general, possible trouble is classified in two kinds. 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.
30 Room Air Conditioner T roubleshooting Guide Fails to Start Check circuit breaker and fuse. Gas leakage of feeler bulb of thermostat Check of control switch. Fan only fails to start. Improper wiring. Defect of fan motor capacitor . Irregular motor resistance ( ).
Ser vice Manual 31 T roubleshooting Guide • Check the Fuse. • Check the wiring diagram. Is the Trans input power AC 115V? (208/230V for LWL1230WAL) Is the Trans output power about AC 14V? Is shorted the Trans. output? Is output Voltage of IC01D DC 12V? Is output Voltage of IC02D DC 5V? Is the voltage No.
32 Room Air Conditioner T roubleshooting Guide Possible Trouble 2 The compressor does not operate. Possible Trouble 3 The compressor always operate. Is setting Temp. set lower than Room Temp.-0.5 ° C? Is the voltage No.10 of IC01M 0V? • Replace IC01M.
Ser vice Manual 33 T roubleshooting Guide Possible Trouble 4 FAN does not operate. Possible Trouble 5 The function of Energy Saver does not operate. • Replace IC01M. • Replace IC01M. Is the voltage NO.1 or 2 or 4 of IC01M DC 12V? Is the voltage NO.
34 Room Air Conditioner T roubleshooting Guide Possible Trouble 6 Remote controller does not operate. Possible Trouble 7 It displays abnormally on DC PCB Ass ’ y. NO NO NO NO YES YES YES Is the IC01G good? Is the connection of CN-AC/DC OK? • Replace the DC PCB Ass'y.
Ser vice Manual 35 T roubleshooting Guide • Check the Fuse. • Check the wiring diagram. Is the Trans input power AC 115V? (208/230V for LWL1230WAL) Is the Trans output power about AC 14V? Is the Trans. output shorted? Is output Voltage of IC01D DC 12V? Is output Voltage of IC02D DC 5V? Is the voltage No.
36 Room Air Conditioner T roubleshooting Guide Possible Trouble 2 The compressor does not operate. Possible Trouble 3 The compressor always operate. Is desired Temp. set lower than Room Temp.-0.5 ° C? Is the voltage No.10 of IC01M 0V? • Replace IC01M.
Ser vice Manual 37 T roubleshooting Guide Possible Trouble 4 FAN does not operate. Possible Trouble 5 Remote controller does not operate. • Replace IC01M. • Replace IC01M. Is the voltage NO.1 or 2 or 4 of IC01M DC 5V? Is the voltage NO.16 or 15 or 13 of IC01M 0V? • Check the RY-Hi or RY-Med or RY-Lo.
38 Room Air Conditioner T roubleshooting Guide Possible Trouble 6 It displays abnormally on DC PCB Ass ’ y. NO NO NO NO YES YES YES Are the IC01G and IC02G good? Is the connection of CN-AC/DC OK? • Replace the DC PCB Ass'y. • Replace IC01G, IC02G.
Ser vice Manual 39 T roubleshooting Guide COMPLAINT CAUSE REMEDY Check voltage at outlet. Correct if none. Check voltage to Control Box. If none, check power supply cord. Replace cord if circuit is open. Connect wire. Refer to wiring diagram for terminal identification.
40 Room Air Conditioner T roubleshooting Guide COMPLAINT CAUSE REMEDY Check the TEMP control. If not at the lowest number, set TEMP control to this setting and restart the unit. Check the continuity of the thermistor. Replace the thermistor if the circuit is open.
Ser vice Manual 41 Exploded View Exploded Vie w D E F R O S T H E A T C O O L I N D O O R D E S I R E D E N E R G Y S A V E R A I R P U R Y F I E R A U T O R E S T A R T F A N FAN D R Y 130910 149980 .
Exploded View 42 Room Air Conditioner ■ HEA TING MODEL D E F R O S T HEAT COOL I N D O O R D E S I R E D E N E R G Y S A V E R A I R P U R Y F I E R A U T O R E S T A R T FAN F A N DRY 130910 149980.
Ser vice Manual 43 Replacement P ar ts List Replacement P ar ts List DESCRIPTION 130410 BASE ASSEMBLY,WELD[SINGLE] 3041A20023D 130910 CABINET ASSEMBLY,SINGLE 3091AR6057E 135303 GRILLE,INLET 3530A10080.
44 Room Air Conditioner Replacement P ar ts List 130410 BASE ASSEMBLY, WELD[SINGLE] 3041A20023B 3041A20023B 3041A20023Z R 130910 CABINET ASSEMBLY, SINGLE 3091AR6057H 3091AR6057H 3091AR6057H R 135303 G.
Ser vice Manual 45 Replacement P ar ts List DESCRIPTION 130410 BASE ASSEMBLY, WELD[SINGLE] 3041A20023B 3041A20023C R 130910 CABINET ASSEMBLY, SINGLE 3091AR6057E 3091AR6057E R 135303 GRILLE, INLET 3530.
46 Room Air Conditioner DESCRIPTION 130410 BASE PAN WELD ASS'Y 3041A20023B R 130910 CABINET ASS'Y 3091AR6057E 3091AR6057H R 135312 FRONT GRILL ASS'Y 3531A20095A 3531A20095B R 135303 INL.
Ser vice Manual 47 DESCRIPTION 130410 BASE ASSEMBLY, WELD[SINGLE] 3041A20023B R 130910 CABINET ASSEMBLY, SINGLE 3091AR6057H R 135303 GRILLE, INLET 3530A10080A R 135312 GRILLE ASSEMBLY, FRONT(SINGLE) 3.
48 Room Air Conditioner DESCRIPTION 130410 BASE ASSEMBLY,WELD[SINGLE] 3041A20023D 3041A20023D 130910 CABINET ASSEMBLY,SINGLE 3091AR6057E 3091AR6057E 135303 GRILLE,INLET 3530A10080A 3530A10080A 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 3531A20095A 3531A20095A 135500 COVER 3550A20089A 3550A30122A 146812 MOTOR ASSEMBLY,SYNC.
Ser vice Manual 49 DESCRIPTION 130410 BASE ASSEMBLY,WELD[SINGLE] 3041A20023D 130910 CABINET ASSEMBLY,SINGLE 3091AR6057E 135303 GRILLE,INLET 3530A10146A 135312 GRILLE ASSEMBLY,FRONT(SINGLE) 3531A10201A.
P/No.: 3828A20140E Printed in Korea.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté LG Electronics LW1804ER c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du LG Electronics LW1804ER - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation LG Electronics LW1804ER, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le LG Electronics LW1804ER va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le LG Electronics LW1804ER, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du LG Electronics LW1804ER.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le LG Electronics LW1804ER. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei LG Electronics LW1804ER ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
