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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.
Single Outdoor
P/NO．：MFL70541907
REV.00_190411
www.lg.com
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Table of Contents
Related Manuals for LG ATUQ24GTLA2
Summary of Contents for LG ATUQ24GTLA2
- Page 1 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. Single Outdoor www.lg.com P/NO．：MFL70541907 REV.00_190411...
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Page 2: Tips For Saving Energy
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: •... -
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 • Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product. • Be sure the installation area does not deteriorate with age. - If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.
- Page 5 IMPORTANT SAFETY INSTRUCTIONS CAUTION nstallation • Always check for gas (refrigerant) leakage after installation or repair of product. Low refrigerant lev- els may cause failure of product. • Install the drain hose to ensure that water is drained away properly. A bad connection may cause water leakage.
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Page 7: Installation Of Outdoor Unit
INSTALLATION OF OUTDOOR UNIT INSTALLATION OF OUTDOOR UNIT Installation Places - If an awning is built over the unit to prevent direct sunlight or rain exposure, make sure that heat radiation from the condenser is not restricted. - Ensure that the spaces indicated by arrows around front, back and side of the unit. - Do not place animals and plants in the path of the warm air. - Page 8 ATUQ18GTLA2 ATUQ24GTLA2...
- Page 9 ATUQ18GTLA2 ATUQ24GTLA2...
- Page 10 WIRING CONNECTION Connecting Cables between Indoor Unit and Outdoor Unit < Model : ATUQ18GTLA2 / ATUQ24GTLA2 > CAUTION The power cord connected to the outdoor unit should be complied withIEC 60245 or HD 22.4 S4 (This equipment shall be provided with a cord set complying with the national regulation.
- Page 11 WIRING CONNECTION Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block. Power wire Power wire Round pressure terminal Round pressure terminal When none are available, follow the instructions below. - Do not connect wiring of different thicknesses to the power terminal block. (Slack in the power Connect same thickness It is forbidden to connect It is forbidden to...
- Page 12 ATUQ18GTLA2 diagram Power cord Power connecting cable ATUQ24GTLA2 Power cord Power connecting cable...
- Page 13 WIRING CONNECTION CAUTION • The circuit diagram is not subject to change without notice. • Be sure to connect wires according to the wiring diagram. • Connect the wires firmly, so that They won’t be pulled out easily. • Connect the wires according to color codes by referring the wiring diagram. •...
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Page 14: Connecting Pipes
CONNECTING PIPES CONNECTING PIPES Preparation of Piping Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the following procedure. Cut the pipes and the cable. - Use the accessory piping kit or the pipes pur- Copper Copper chased locally. -
Page 15: Connecting The Pipes To The Outdoor Unit
CONNECTING PIPES Connecting the pipes to the Forming the piping Outdoor unit Form the piping by wrapping the connecting portion of the indoor unit with insulation mate- - Align the center of the piping and sufficiently rial and secure it with two kinds of vinyl tape. tighten the flare nut by hand. -
Page 16: Leakage Test And Evacuation
LEAKAGE TEST AND EVACUATION LEAKAGE TEST AND EVACUATION Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. - Pressure in the system rises. - Operating current rises. - Cooling (or heating) efficiency drops. - Moisture in the refrigerant circuit may freeze and block capillary tubing. - Water may lead to corrosion of parts in the refrigeration system. -
Page 17: Finishing The Job
LEAKAGE TEST AND EVACUATION Evacuation - Connect the charge hose end described in the preceding steps to the vacuum pump to Outdoor unit evacuate the tubing and indoor unit. Confirm the "Lo and Hi" knob of the manifold valve is open. Then, run the vacuum pump. The operation time for evacuation varies with tubing length and capacity of the pump. -
Page 18: Test Running
TEST RUNNING TEST RUNNING Precautions In Test Running - The initial power supply must provide at least 90% of the rated voltage. Otherwise, the air conditioner should not be operated. CAUTION For test run, carry out the cooling operation firstly even during heating season. If heating operation is carried out firstly, it leads to the trouble of compressor. - Page 19 TEST RUNNING CAUTION After the confirmation of the above conditions, prepare the wiring as follows: Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram pasted on the inside of control box cover.