Table of Contents
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INSTALLATION MANUAL
AIR
CONDITIONER
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
Please retain this installation manual for future reference after reading it
thoroughly.
Standard Inverter
Copyright © 2017 - 2018 LG Electronics Inc. All Rights Reserved.
http://www.lghvac.com
www.lg.com
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Table of Contents
Related Manuals for LG LUU188HV
Summary of Contents for LG LUU188HV
- Page 1 Installation work must be performed in accordance with the national wiring standards by authorized personnel only. Please retain this installation manual for future reference after reading it thoroughly. Standard Inverter http://www.lghvac.com www.lg.com Copyright © 2017 - 2018 LG Electronics Inc. All Rights Reserved.
- Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
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Page 3: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING... - Page 4 IMPORTANT SAFETY INSTRUCTIONS Operation • Do not share the outlet with other appliances. - It will cause an electric shock or a fire due to heat generation. • Do not use the damaged power cord. - Otherwise, it may cause a fire or electrical shock. •...
- Page 5 IMPORTANT SAFETY INSTRUCTIONS CAUTION Installation • Install the drain hose to ensure that drain can be securely done. - Otherwise, it may cause water leakage. • Install the product so that the noise or hot wind from the outdoor unit may not cause any damage to the neighbors.
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Page 6: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING ENERGY IMPORTANT SAFETY INSTRUCTIONS INSTALLATION OF OUTDOOR UNIT Installation Places Piping length and the elevation WIRING CONNECTION Electrical Wiring Connecting Cables between Indoor Unit and Outdoor Unit Connecting the cable to Outdoor Unit CONNECTING COPPER PIPES Preparation of Piping Plumbing materials and storage methods... -
Page 7: Installation Of Outdoor Unit
Length A Unit : m(ft) Elevation B Unit : m(ft) refrigerant MODEL CAPACITY Unit : g/m(oz/ft) Liquid Standard Max. Standard Max. LUU188HV / 18kbtu/h Ø15.88(5/8) Ø9.52(3/8) 7.5(24.6) 50(164) 5(16) 30(98) 40 (0.43) LUU189HV LUU248HV 24kbtu/h Ø15.88(5/8) Ø9.52(3/8) 7.5(24.6) 50(164) 5(16) 30(98) 40 (0.43) -
Page 8: Wiring Connection
10±3mm Outdoor Indoor Model Phase(Ø) ELCB LUU188HV / LUU189HV The connecting cable connected to the LUU248HV outdoor unit should be complied with IEC LUU368HV 60245 or HD 22.4 S4 (This equipment LUU428HV shall be provided with a cord set LUU488HV complying with the national regulation.) - Page 9 WIRING CONNECTION Precautions when laying power and ground wiring Use round pressure terminals for connections to the power terminal block. When laying ground wiring, you must use round pressure terminals. Round pressure terminal Power wire (Ground wire) When none are available, follow the instructions below.
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Page 10: Connecting The Cable To Outdoor Unit
WIRING CONNECTION Connecting the cable to Outdoor Unit - Remove the side panel for wiring connection. - Use the cord clamp to fix the cord. - Earthing work Connect the cable of diameter more to the earthing terminal provided in the control box and do earthing. -
Page 11: Connecting Copper Pipes
CONNECTING COPPER PIPES CONNECTING COPPER PIPES Preparation of Piping Flaring work - Firmly hold copper tube in a bar(or die) as Main cause of gas leakage is defect in flaring indicated dimension in the table above. work. Carry out correct flaring work in the - Carry out flaring work using dedicated flaring following procedure. -
Page 12: Plumbing Materials And Storage Methods
CONNECTING COPPER PIPES NOTE Always blow nitrogen into pipe which is brazed. Always use a non-oxidizing brazing material for brazing the parts and do not use flux. If not, oxidized film can cause clogging or damage to the compressor unit and flux can harm the copper piping or refrigerant oil. Refrigerant piping Taping Pipe to be brazed... -
Page 13: Connecting The Pipes To The Outdoor Unit
CONNECTING COPPER PIPES - When connecting in a downward direction, Connecting the pipes to the knock out the knock-out hole of the base Outdoor unit pan. (refer to figure 2) - Align the center of the piping and sufficiently <Figure 2> tighten the flare nut by hand. -
Page 14: Forming The Piping
CONNECTING COPPER PIPES In cases where the outdoor unit is installed Forming the piping above the indoor unit perform the Form the piping by wrapping the following. connecting portion of the indoor unit with Tape the piping and connecting cable from insulation material and secure it with two down to up. -
Page 15: Leakage Test And Evacuation
LEAKAGE TEST AND EVACUATION LEAKAGE TEST AND EVACUATION Air and moisture remaining in the refrigerant CAUTION system have undesirable effects as indicated below. • To avoid nitrogen entering the refrigerant Pressure in the system rises. system in a liquid state, the top of the cylinder must be higher than its bottom Operating current rises. -
Page 16: Evacuation
LEAKAGE TEST AND EVACUATION Evacuation Connect the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit. Confirm the "Lo and Hi" knob of the Indoor unit manifold valve is open. Then, run the vacuum pump. -
Page 17: Test Running
TEST RUNNING TEST RUNNING Precautions in test running M4..118N·cm (10.4lbs·inch) - The initial power supply must provide at least M5..196N·cm (17.3lbs·inch) 90% of the rated voltage. M6..245N·cm (21.7lbs·inch) Otherwise, the air conditioner should not be M8..588N·cm (52lbs·inch) operated. NOTE Connection of power supply - Connect the power supply cord to the •... -
Page 18: Function
FUNCTION FUNCTION Pump Down Setting Procedure Set the Dip Switch as follow after shutting the power source down. 9 10 LUU188HV LUU368HV LUU189HV LUU428HV LUU248HV LUU488HV Reset the power. Red LED and Green LED of PCB lights during work. (The indoor unit is operated by force.) If operation is done, Red LED will be turned off. -
Page 19: Error Indicator (Outdoor)
Ex) Error 21 (DC Peack) 2 Times 2 Times 2 Times LED01G (RED) 1 Time 1 Time 1 Time LED02G (GREEN) LUU188HV LUU368HV LUU189HV LUU428HV LUU248HV LUU488HV Error Code Description LED 1 (Red) LED 2 (Green) Indoor status 2times ◑... -
Page 20: Dip S/W Setting
SELF-DIAGNOSIS FUNCTION Dip S/W Setting If you set the Dip Switch when power is on, the change in setting is not applicable. The changing setting is enabled only when Power is reset. Dip Switch LUU188HV LUU368HV LUU189HV LUU428HV Function LUU248HV... -
Page 21: Installation Guide At The Seaside
INSTALLATION GUIDE AT THE SEASIDE INSTALLATION GUIDE AT THE SEASIDE In case, to install the outdoor unit on the NOTE seaside, set up a windbreak not to be exposed to the sea wind. • Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced. - Page 23 Please call the installing contractor of your product, as warranty service will be provided by them. Service call Number # : (888) LG Canada, (888) 542-2623 CANADA Numéro pour les appels de service : LG Canada, 1-888-542-2623...