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website http://www.lgservice.com
LG
LG Room
Air Conditioner
SERVICE MANUAL
MODELS: AS-W096URH0/UBH0/UWH0/UMH0
AS-W126URH0/UBH0/UWH0/UMH0/UCH0
AS-W096URH1/UBH1/UWH1/UMH1
AS-W126URH1/UBH1/UWH1/UMH1
CAUTION
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
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Air Conditioner Service Manual TABLE OF CONTENTS LG Model Name...............................................................................................................................................3 Safety Precautions..........................................................................................................................................5 Dimensions ............................................................................................................................
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LG Model Name 2002 12 - 3456789 Code Type Code of Model Meaning 1,2 Type of Airconditioner A~Z LS: LG Split Type Airconditioner 3 Chassis A~Z Name of toll of Unit Ex. LS-R ➔ S R Chassis 4,5 Capacity(Btu/h) 1~9 Cooling/Heating Capacity Ex. "09" ➔ 9,000Btu/h 6 Electric Range 1~9 Electric Standard 1 ➔ 115V/60Hz 6 ➔ 220~240V/50Hz 2 ➔ 220V/60Hz 7 ➔ 110V, 50/60Hz 3 ➔ 208~230V/60Hz 8 ➔ 380~415V/50Hz 5 ➔ 200~220V/50Hz 9 ➔ 380~415V/60Hz 7 Serial No. 0~9 Basic A 0 A~Z Plasma Filter B 1 Auto Swing + Plasma
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2003~2005 12 - 3456789 10 Code Type Code of Model Meaning 1 Producing Center, A~Z L: Chang-won R22 N: India Refrigerant A: Chang-won R410A Z: Brazil C: Chang-won R407C D: Indonesia T: China M: Mexico K: Turkey R22 V: Vietnam E: Turkey R410A S: Out Sourcing H: Thailand 2 Product Type A~Z S: Split Type Air Conditioner 3 Cooling/Heating/Inverter A~Z C: Cooling only V: AC Inverter C/O H: Heat pump N: AC Inverter H/P X: C/O + E/Heater Q: DC Inverter C/O Z: H/P + E/Heater W: DC Inverter H/P 4, 5 Capac
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Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to properties only. Meanings of symbols used in this manual are as shown below. Be su
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Safety Precautions For re-installation of the installed product, Do not install, remove, or re-install the unit by always contact a dealer or an authorized ser- yourself. vice center. • There is risk of fire, electric shock, explosion, or • There is risk of fire, electric shock, explosion, or injury. injury. Be cautious when unpacking and installing the For installation, always contact the dealer or product. an Authorized service center • Sharp edges could cause injury. Be especially care- •
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Safety Precautions Operation Do not turn the air-conditioner ON or OFF by Use a dedicated outlet for this appliance. plugging or unplugging the power plug. • There is risk of fire or electrical shock. • There is risk of fire or electrical shock. Grasp the plug to remove the cord from the Do not place a heater or other appliances near outlet. Do not touch it with wet hands. the power cable. • There is risk of fire or electrical shock. • There is risk of fire and electric shock. Do not allow w
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Unplug the unit if strange sounds, odors, or Be cautious that water could not enter the smoke comes from it. product. • There is risk of electric shock or fire. • There is risk of fire, electric shock, or product dam- age. Installation Always check for gas (refrigerant) leakage after Install the drain hose to ensure that water is installation or repair of product. drained away properly. • Low refrigerant levels may cause failure of product. • A bad connection may cause water leakage. Keep leve
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Operation Use a soft cloth to clean. Do not use harsh Do not touch the metal parts of the product detergents, solvents, etc. when removing the air filter. They are very sharp! • There is risk of fire, electric shock, or damage to the • There is risk of personal injury. plastic parts of the product. Do not step on or put anyting on the product. Do not insert hands or other objects through (outdoor units) the air inlet or outlet while the air conditioner is plugged in. • There is risk of persona
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Dimensions Dimensions Symbols Used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. NOTICE This symbol indicates special notes. Indoor Unit H D W Installation plate MODEL 9k, 12k Btu Series DIM Unit W mm 1030 H mm 290 D mm 153 10 Room Air Conditioner
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Dimensions Outdoor Unit L2 W L3 Gas side (3-way valve) Liquid side (2-way valve) MODEL 9k, 12k Btu Series DIM unit W mm 770 H mm 540 D mm 245 L1 mm 287 L2 mm 64 L3 mm 518 L4 mm 10 L5 mm 100 Service Manual 11 H L1 D L4 L5
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Product Specifications Product Specifications Table-1 Model Name AS-W096U_0 AS-W126U_0 AS-W096U_1 AS-W126U_1 Item Unit W 645 820 645 820 MIN kcal/h.(W) 554 706 554 706 Btu/h. 2,200 2,800 2,200 2,800 W 2,637 3,516 2,637 3,516 Cooling Capacity Type kcal/h.(W) 2,268 3,024 2,268 3,024 Btu/h. 9,000 12,000 9,000 12,000 W 3,246 3,868 3,246 3,868 Max kcal/h.(W) 2,792 3,326 2,792 3,326 Btu/h. 11,080 13,200 11,080 13,200 W 527 1,289 527 1,289 MIN kcal/h.(W) 454
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Installation Installation Select the best Location Indoor unit 1. Do not have any heat or steam near the unit. 2. Select a place where there are no obstacles in front More than of the unit. 5cm More than 10cm 3. Make sure that condensation drainage can be conve- niently routed away. 4. Do not install near a doorway. More than 5. Ensure that the interval between a wall and the left 5cm (or right) of the unit is more than 50cm. The unit More than 2.3m should be installed as high as possible on th
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Installation Piping Length and Elevation Pipe Size Capacity Standard Additional Max. Max. Elevation B (m) Length A (m) (Btu/h) Length (m) Refrigerant (g/m) GAS LIQUID 9k 3/8" 1/4" 4 or 5 7 15 20 12k 1/2" 1/4" 4 or 5 7 15 20 Indoor unit Outdoor unit Outdoor unit A A Oil trap B Indoor unit Outdoor unit Indoor unit B B If piping length is more than 5m CAUTION: Capacity is based on standard length and maximum allowance length is on the basis of reliability. Oil trap should be installed every 5~7 me
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Installation Drill a Hole in the Wall • Drill the piping hole with a ø70mm hole core drill. WALL Drill the piping hole at either the right or the left with Indoor Outdoor the hole slightly slanted to the outdoor side. Flaring Work Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the following procedure. Cut the pipes and the cable. 1. Use the piping kit accessory or the pipes purchased Copper locally. Slanted Uneven Rough pipe 90° 2. Measure the d
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Installation Check Smooth all round 1. Compare the flared work with the figure by. Inside is shiny without scratches 2. If a flared section is defective, cut it off and do flaring work again. = Improper flaring = Inclined Surface Cracked Uneven damaged thickness Even length all round Connecting the Piping Indoor 1. Prepare the indoor unit's piping and drain hose for installation through the wall. 2. Remove the plastic tubing retainer(see the illustration by) and pull the tubing and drain hose aw
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Installation 4. Indoor unit installation Hook the indoor unit onto the upper portion of the installation plate.(Engage the two hooks of the rear Connecting cable top of the indoor unit with the upper edge of the installation plate.) Ensure that the hooks are properly seated on the installation plate by moving it left and Drain hose right. Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots(clicking sound). Connecting the piping
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Installation For left rear piping 1. Route the indoor tubing and the drain hose to the 1 2 required piping hole position. Connecting 2. Insert the piping, drain hose, and the connecting cable cable into the piping hole. 3. Insert the connecting cable into the indoor unit. Drain pipe • Don't connect the cable to the indoor unit. • Make a small loop with the cable for easy connec- tion later. 4. Tape the drain hose and the connecting cables. 5. Indoor unit installation • Hang the indoor unit from
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Installation Wrap the insulation material around the connecting Plastic bands Insulation material portion. 1. Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material. Bind them together with vinyl tape so that there may be no gap. 2. Wrap the area which accommodates the rear piping housing section with vinyl tape. Indoor Connection unit piping pipe Vinyl tape Wrap with vinyl tape (wide) Pipe Vinyl tape(narrow) Connecting cable 3. Bundle the piping and drain
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Installation CAUTION: Installation Information For left piping. Follow the instruction below. Good case • Press on the upper side of clamp and unfold the tubing to downward slowly. Bad case • Following bending type from right to left may cause damage to the tubing. 20 Room Air Conditioner
