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INSTALLATION MANUAL
HEAT PUMP
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
P/NO : MFL67448523
Copyright © 2016 - 2018 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Table of Contents
Related Manuals for LG AUUW09GAE(LUU097HV)
Summary of Contents for LG AUUW09GAE(LUU097HV)
- 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 www.lg.com P/NO : MFL67448523 Copyright © 2016 - 2018 LG Electronics Inc. All Rights Reserved.
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Page 2: Table Of Contents
Single A HEAT PUMP Installation Manual CONTENTS Safety Precautions ....................3 Installation of Outdoor Unit................6 Wiring Connection....................8 Connecting Pipes ....................11 Leakage test and Evacuation ................16 Test running .......................18 Function......................19 Self-diagnosis Function..................23 Installation Guide at the Seaside ..............24... -
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent the injury of the user or other people and property damage, the following instructions must be followed. n Be sure to read before installing the air conditioner. n Be sure to observe the cautions specified here as they include important items related to safety. n Incorrect operation due to ignoring instruction will cause harm or damage. - Page 4 Safety Precautions • Do not install the product on a defective installa- • Use a dedicated outlet for this appliance. tion stand. - There is risk of fire or electrical shock. - It may cause injury, accident, or damage to the •...
- Page 5 Safety Precautions • Do not use the product for special purposes, - When transporting the outside unit , sus- such as preserving foods, works of art, etc. It pending it at the specified positions on the is a consumer air conditioner, not a precision unit base.
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Page 6: Installation Of Outdoor Unit
Installation of Outdoor Unit Installation of Outdoor Unit 1. 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 More than restricted. •... - Page 7 Installation of Outdoor Unit Night Silent Operation setting 1. Open the Control Cover 2. Set the SW01N (PIP SW2). Step 1. Step 2 3. Close the Control Cover. SW01N Installation Manual 7...
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Page 8: Wiring Connection
Wiring Connection Wiring Connection Electrical Wiring Perform the electrical wiring work according to the electrical wiring connection. • All wiring must comply with local requirements. ELCB • Select a power source that is capable of supply- Main power source ing the current required by the air conditioner. Switch box •... - Page 9 Wiring Connection u 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. Power wire (Ground wire) Round pressure terminal When none are available, follow the instructions below. •...
- Page 10 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.
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Page 11: 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 fol- Copper Slanted Uneven Rough lowing procedure. tube 90° Cut the pipes and the cable. • Use the accessory piping kit or the pipes purchased locally. - Page 12 Connecting Pipes Plumbing materials and storage methods Pipe must be able to obtain the specified thickness and should be used with low impurities. Also when handling storage, pipe must be careful to prevent a fracture, deformity and wound. Should not be mixed with contaminations such as dust, moisture. Refrigerant piping on three principles Drying Cleanliness...
- Page 13 Connecting Pipes Nitrogen substitution method Welding, as when heating without nitrogen substitution a large amount of the oxide film is formed on the internal piping. The oxide film is a caused by clogging EEV, Capillary, oil hole of accumulator and suction hole of oil pump in compressor.
- Page 14 Connecting Pipes Connecting the pipes to the Outdoor unit • Align the center of the piping and sufficiently tighten the flare nut by hand. • Finally, tighten the flare nut with torque wrench until the wrench clicks. - When tightening the flare nut with torque wrench, ensure the direction for tightening follows the arrow on the wrench.
- Page 15 Connecting Pipes Forming the piping Form the piping by wrapping the connecting portion of the indoor unit with insulation material and Seal a small Taping opening around secure it with two kinds of vinyl the pipings with Drain hose tape. gum type sealant.
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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. 1. Pressure in the system rises. 2. Operating current rises. 3. Cooling(or heating) efficiency drops. 4. Moisture in the refrigerant circuit may freeze and block capillary tubing. 5. - Page 17 Leakage test and Evacuation Evacuation 1. Connect the charge hose end described in the pre- ceding steps to the vacuum pump to evacuate the Indoor unit tubing and indoor unit. Confirm the "Lo and Hi" knob of the manifold valve is open.
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Page 18: Test Running
Test running Test running 1. 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. ① For test run, carry out the cooling operation firstly even during heat- CAUTION ing season. -
Page 19: Function
Function 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 Function 1 2 3 4 Normal Operation (No Function) Forced Cooling Operation Saving Power Consumption (Step 1) Saving Power Consumption (Step 2) - Page 20 Function Saving Power Consumption Saving Power Consumption operation is the function which Power enables efficient operation by lowering the maximum power consumption and current Nomal consumption value. Time Setting Procedure 1 Set the Dip Switch as follow after shutting the power source down.
- Page 21 Function Night Quiet Mode with Mode Lock. Mode Lock (Cooling) Mode Lock (Cooling) + Night Quiet Mode (step 1) + Night Quiet Mode (step 2) CAUTION • If comp frequency and fan speed are down, the cooling capacity may decrease accordingly. •...
- Page 22 Function Forced Cooling Operation • Adding the refrigerant in winter. Setting Procedure 1) Set the Dip Switch as follow after shutting the power source down. 2) Reset the power. 3) Red LED and Green LED of PCB lights during work. (The indoor unit is operated by force.) 4) If operation is done, Red LED will be turned off.
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Page 23: Self-Diagnosis Function
Self-diagnosis Function Self-diagnosis Function Error Indicator (Outdoor) Outdoor Error 2 Times 2 Times 2 Times Ex) Error 21 (DC Peack) LED01G (RED) 1 Sec. 1 Sec. 1 Sec. 1 Time 1 Time 1 Time LED02G (GREEN) 2 Sec. 2 Sec. LED 1 LED 2 Indoor... -
Page 24: Installation Guide At The Seaside
Installation Guide at the Seaside Installation Guide at the Seaside CAUTION: 1. Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced. 2. Do not install the product where it could be exposed to sea wind (salty wind) directly. It can result corrosion on the product.