Instruction/ maintenance manual of the product LS240HP(AS-H2435DM0) LG Electronics
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LG Room Air Conditioner SVC MANUAL(Exploded View) MODELS : LS090CP(AS-C0914DH0) LS120CP(AS-C121E1H0) LS180CP(AS-C1835DM0) LS240CP(AS-C2435DM0) LS090HP(AS-H091E1H0) LS120HP(AS-H121E1H0) LS180HP(AS-H1835DM0) LS240HP(AS-H2435DM0) CAUTION Before Servicing the unit, read the safety precautions in General SVC manual.
- 2 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Air Conditioner Ser vice Manual T ABLE OF CONTENTS Safety Precautions ........................................................
- 3 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Saf ety Precautions Safety Precautions T o pre v ent injur y to the user or other people and proper ty damage, the f ollo wing instructions must be f ollow ed.
- 4 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Saf ety Precautions ■ Operation Be cautious when unpacking and installing the product. • Shape edges could cause injur y .
- 5 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Saf ety Precautions Do not place a heater or other appliances near the power cable. • There is risk of fire, f ailure of the product, and/or electric shock.
- 6 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Saf ety Precautions V entilate the product fr om time to time when operating it togeth- er with a stove, etc. • There is risk of fire or electr ical shock.
- 7 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Operation Saf ety Precautions Use two or more people to lift and transport the air conditioner • A void personal injur y .
- 8 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions Do not drink the water drained from the unit. • It is not sanitar y and could cause serious health issues. Use a firm stool or ladder when cleaning or maintaining the air conditioner .
- 9 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions Dimensions D H W Installation plate W mm(inch) 840(33.1) 894(35.2) 894(35.2) H mm(inch) 270(10.6) 295(11.6) 295(11.
- 10 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only D H W Installation plate Dimensions W mm(inch) 1090(42.9) 1090(42.9) H mm(inch) 300(11.8) 300(11.8) D mm(inch) 178(7.0) 178(7.
- 11 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions Outdoor Unit 1. 9k, 12k W L2 L3 L1 D H L4 L5 Gas side (3-way valve) Liquid side (2-way valve) MODEL 9k, 12k DIM unit W mm(inch) 770(30.
- 12 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Dimensions 2. 18k, 24k W L6 L5 L7 L8 D L1 L2 L9 L10 L3 L4 H MODEL 18k, 24k DIM W mm(inch) 870(34.3) H mm(inch) 655(25.8) D mm(inch) 320(12.
Introduction - 13 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Intr oduction This symbol alerts you to the risk of electric shoc k. This symbol alerts you to hazar ds that may cause harm to the air condi- tioner .
- 14 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Installation Type "A" screw and plastic anchor Type "B".
- 15 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Installation Installation Map Installation parts you should purchase.
- 16 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 1. Check the quality label on the indoor and outdoor unit. 2. Make certain that the refr igerant is R-410A. THIS PRODUCT CONT AINS R-410A REFRIGERANT 1) Diff erent compressor oil - R-410A(P olyol ester) / R-22(Mineral).
- 17 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Outdoor unit 1. If an a wning is built o v er the unit to pre v ent direct sunlight or rain e xposure, make sure that heat radiation from the condenser is not restricted.
- 18 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Piping Length And Elev ation • Capacity is based on standard length and maximum allo wance length is on the basis of reliability .
- 19 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only The wall y ou select should be strong and solid enough to pre v ent vibration 1. Mount the installation plate on the wall with type "A" screws .
- 20 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Flaring W ork Cut the pipes and the cable. 1. Use the piping kit accessor y or the pipes purchased locally . 2. Measure the distance between the indoor and the out- door unit.
- 21 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Indoor 1. Prepare the indoor unit's piping and drain hose f or installation through the wall. 2. Remo ve the plastic tubing retainer(see the illus- tration b y) and pull the tubing and drain hose aw a y from chassis.
- 22 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Wrap the insulation material around the connecting portion. • Ov erlap the connection pipe insulation mater ial and the indoor unit pipe insulation material.
- 23 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Insert the connecting cable into the indoor unit. • Don't connect the cable to the indoor unit. • Make a small loop with the cab le for easy con- nection later .
- 24 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Reroute the pipings and the drain hose across the bac k of the chassis. Reroute the pipings and the drain hose across the bac k of the chassis.
- 25 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Installation Inf or mation. F or left piping. F ollow the instr uction belo w . Correct case • Press on the upper side of clamp and unf old the tubing to downw ard slowly .
- 26 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Put a couple drops of refrigerant oil on the face of the flare before assemb ling taking care not to add an y contaminants. Align the center of the pipings and suffi- ciently tighten the flare n ut by hand.
- 27 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Connection Of The Cable 1 Indoor Unit Outdoor Unit 2 3 4 1 2 3 4 5 6 G To .
- 28 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only After the confir mation of the abov e conditions, prepare the wiring as follo ws: 1) Never fail to ha ve an individual po wer cir cuit specifically for the air conditioner .
- 29 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Chec king The Drainage • P our a glass of water on the drain pan. • Ensure the water flo ws through the drain hose of the indoor unit without an y leakage and goes out the drain e xit.
- 30 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Forming The Piping Form the piping by wrapping the connect- ing portion of the indoor unit with insula- tion material and secure it with two kinds of vinyl tapes.
- 31 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Air Purging Air purging With V acuum Pump Lo Hi Indoor unit Outdoor unit M.
- 32 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Ev acuation • Connect the charge hose end described in the preceding steps to the v acuum pump to e vacuate the tubing and indoor unit.
- 33 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Charging ■ Each outdoor unit is f actor y charged (nameplate charge) f or the e v aporator as well as a 7.5m(25ft) line set.
- 34 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Outside ambient TEMP. The pressure of the gas side service valve 95°F(35°C) 8.5~9.5kg/cm 2 G(120~135 P.S.I.G.) Settlement of outdoor unit ■ Anchor the outdoor unit with a bolt and nut(ø10mm(0.
Operation Function of Contr ols Operation • DISPLA Y 1) C/O Model Operation Indicator • ON while in appliance operation, OFF while in appliance pause . • Flashing while in disconnection or shor t in Ther mistor . (3 sec off / 0.5 sec on) Timer Indicator • ON while in timer mode (on/off), OFF when timer mode is completed or canceled.
- 36 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Operation • While in compressor off , the indoor f an repeats low airflow speed and pause. • While the intak e air temp is between compressor on temp .
- 37 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Operation ■ Airflow Speed Selection • The airflo w speed of the indoor f an is set to high, medium, low , or chaos (auto) by the input of the airflow speed selection k e y on the remote control.
- 38 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Operation ■ Forced operation • Operation procedures when the remote control can't be used. • The operation will be star ted if the pow er button is pressed.
- 39 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Self-diagnosis Function Operation Displa y Function 1.
- 40 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Remote Contr ol Operations Operation The controls will look like the f ollowing. 1. ST ART/ST OP BUTT ON Operation star ts when this button is pressed and stops when the button is pressed again.
- 41 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Disassembly Disassembl y Indoor Unit Disconnect the unit from power supply before mak- ing any checks. Be sure the power switch is set to “OFF”.
- 42 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Disassembly 2. T o remove the Contr ol Bo x. • Remove securing screws. • Pull the control box out from the chassis carefully.
- 43 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Disassembly • Unhook the tab on the right inside of the chassis at the same time, slightly pull the evaporator toward you until the tab is clear of the slot.
- 44 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T r oub leshooting Guide T roubleshooting Guide INDOOR UNIT OUTDOOR UNIT I.
- 45 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide 2-wa y , 3-way V alve 2-way Valve (Liquid Side) 3-w.
- 46 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide • Procedure (1) Confirm that both the 2-way and 3-way valves are set to the open position. – Remove the v alve stem caps and confirm that the v alve stems are in the r aised posi- tion.
- 47 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide Balance Refrigerant of the 3-way V alve (Gas leakage) • Procedure (1) Confirm that both the 2-way and 3-way valves are set to the bac k seat.
- 48 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide Ev acuation (All amount of refrigerant leaked) • Procedure (1) Connect the vacuum pump to the center hose of char ge set center hose (2) Evacuation for appr o ximately one hour .
- 49 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide Gas Charging (After Evacuation) • Procedure (1) Connect the charge hose to the charging cylinder .
- 50 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide Additional gas c harging (Gas leakage) • When refrigerant is insufficient b y leakage, recharge the unit with the refrigerant up to normal oper- ating suction pressure.
- 51 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide T roub le analysis 1. Check temperature diff erence between intake and discharge air and operating current.
- 52 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide Electr onic P ar ts (9k model) Pr oduct does not operate at all. (* Refer to Electr onic Contr ol Device dra wing and Schematic diagram.
- 53 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide Electr onic P ar ts (18k model) Pr oduct does not operate at all. (* Refer to Electr onic Contr ol Device dra wing and Schematic diagram.
- 54 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide The pr oduct is not operate with the remote controller .
- 55 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide Compressor/Outdoor F an are unable to drive.
- 56 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide Compressor/Outdoor F an are unable to drive.
- 57 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide When indoor F an does not operate .
- 58 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide When V er tical Louver does not operate. • Confirm that the Vertical Louver is normally geared with the shaft of Stepping Motor.
- 59 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide • The operation indicator of Indoor unit blinks five times. • The red indicator of Outdoor unit blinks five times.
- 60 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide The phenomena in case of connecting err or INDOOR UNIT Connector Type Condition Open and connecting error Open Open Open Open Short between terminals ( and ) of ROOM-TH.
- 61 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only T roubleshooting Guide OUTDOOR UNIT Connector Type Condition OPEN • PWB pattern is damaged when applying the power.
- 62 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Schematic Diagram Schematic Dia gram Electric Contr ol Device ■ Indoor.
- 63 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Schematic Diagram ■ Outdoor (9k, 12k).
- 64 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Outdoor (18k, 24k) Schematic Diagram.
- 65 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Wiring Diagram ■ Indoor Unit Models: 9k, 12k, 18k, 24k Schematic Diagram.
- 66 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Outdoor Unit Models: 9k(C/O) Models: 12k(H/P), 12k(C/O , H/P) Schemati.
- 67 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Models: 18k(C/O) Models: 18k(H/P), 24k(C/O , H/P) Schematic Diagram.
- 68 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Schematic Diagram Components Location ■ Indoor MAIN P .
- 69 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only ■ Outdoor(9k, 12k) • T OP VIEW • BO TT OM VIEW Schematic Diagram.
- 70 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Schematic Diagram ■ Outdoor(18k, 24k) • T OP VIEW • BO TT OM VIEW.
- 71 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only DISPLA Y ASSEMBL Y LED_M PCB P/No : 6870A90240F PCB ASSEMBLY P/No : 6871A2.
- 72 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Product Specifications Pr oduct Specifications Power Supply Ø, V, Hz Cooling Capacity BTU/h Input W Running Current A COMP. Locked Rotor AMP.
- 73 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Product Specifications Cooling & Heating Items Unit LS090HP LS120HP LS.
- 74 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Exploded Vie w 152302 152313 342800 263230A 359011 131410 733010 135316 13.
- 75 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Exploded View Outdoor Unit: 9k, 12k (C/O) Seriess 550140 554160 567502 552.
Exploded View - 76 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Outdoor Unit: 9k, 12k (H/P) Seriess 550140 554160 567502 553.
- 77 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Outdoor Unit: 18k(C/O) Seriess Exploded View 435512 437210 559010 546810 5.
- 78 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Outdoor Unit: 24k(C/O) Seriess Exploded View 447910 567502A 649950 435512 .
- 79 - Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Outdoor Unit: 18k, 24k (H/P) Seriess 447910 567502A 649950 552116 561410 5.
P/NO : MFL32351801 December, 2007.
An important point after buying a device LG Electronics LS240HP(AS-H2435DM0) (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought LG Electronics LS240HP(AS-H2435DM0) yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data LG Electronics LS240HP(AS-H2435DM0) - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, LG Electronics LS240HP(AS-H2435DM0) you will learn all the available features of the product, as well as information on its operation. The information that you get LG Electronics LS240HP(AS-H2435DM0) will certainly help you make a decision on the purchase.
If you already are a holder of LG Electronics LS240HP(AS-H2435DM0), but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime LG Electronics LS240HP(AS-H2435DM0).
However, one of the most important roles played by the user manual is to help in solving problems with LG Electronics LS240HP(AS-H2435DM0). Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device LG Electronics LS240HP(AS-H2435DM0) along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
