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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.
Floor standing
P/NO : MFL68061226
www.lg.com
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Table of Contents
Related Manuals for LG APUW100LFT0
Summary of Contents for LG APUW100LFT0
- 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. Floor standing www.lg.com P/NO : MFL68061226...
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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 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 cable. Otherwise, it may cause a fire or electric 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 EN- TEST RUNNING ERGY FUNCTION IMPORTANT SAFETY IN- Dip switch setting STRUCTIONS SELF-DIAGNOSIS FUNC- TION INSTALLATION OF OUT- DOOR UNIT Error indicator (Outdoor) INSTALLATION GUIDE AT Installation Places THE SEASIDE Lifting method of the outdoor unit The outdoor unit installation CONVENIENT FUNC- The location of the Anchor bolts... -
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: Lifting Method Of The Outdoor Unit
INSTALLATION OF OUTDOOR UNIT Lifting method of the outdoor unit - When carrying the suspended, unit pass the ropes between legs of base panel under the unit. - Always lift the unit with ropes attached at four points so that impact is not applied to the unit. - Attach the ropes to the unit at an angle of 40°... -
Page 9: The Outdoor Unit Installation
INSTALLATION OF OUTDOOR UNIT The outdoor unit installation - Install at places where it can endure the weight and vibration/noise of the outdoor unit. - The outdoor unit supports at the bottom shall have width of at least 100 mm under the Unit’s legs before being fixed. -
Page 10: Foundation For Outdoor Unit Installation
INSTALLATION OF OUTDOOR UNIT Foundation for outdoor unit Installation - Fix the unit tightly with bolts as shown below so that unit will not fall down due to earthquake or gust. - Use the H-beam support as a base support. - Noise and vibration may occur from the floor or wall since vibration is transferred through the installation part depending on installation status. -
Page 11: Piping Length And The Elevation
(g/m) Liquid Standard Max. Standard Max. APUW100LFT0 Ø 22.2 (7/8) Ø 9.52 (3/8) APUQ100LFT0 If installed tube is shorter than 5 m, additional charging is not necessary. Additional Refrigerant = (A -5) x Additional refrigerant (g) Indoor unit Outdoor unit... -
Page 12: Wiring Connection
- Use a recognized ELCB(Electric Leakage Cir- cuit Breaker) between the power source and the unit. A disconnection device to ade- quately disconnect all supply lines must be fitted. - Model of circuit breaker recommended by authorized personnel only Model Phase(ø) ELCB APUQ100LFT0 40 A APUW100LFT0... -
Page 13: Connecting Cables Between Indoor Unit And Outdoor Unit
Phase(Ø) Area(mm ) Cable Type APUQ100LFT0 APUW100LFT0 H07RN-F For the 3-Phase The connecting cable connected to the outdoor unit should be complied with IEC 60245 or HD 22.4 S4 (This equipment shall be provided with a cable set complying with the national regulation.) - Page 14 WIRING CONNECTION Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block. Power wire 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 wiring may cause abnormal heat.) - When connecting wiring which is the same thickness, do as shown in the figure below.
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Page 15: 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 cable. Earthing work - Connect the cable of diameter more to the earthing terminal provided in the control box and do earthing. -
Page 16: Connecting Pipes
CONNECTING PIPES CONNECTING PIPES Preparation of Pipe Welding - Pipe connections can be done on the front Main cause of gas leakage is defect in flaring side or on the side according to the installa- work. Carry out correct flaring work in the fol- tion environments. -
Page 17: Preparation Work
CONNECTING PIPES Preparation Work - Use knock outs of base pan of the outdoor unit for left/right or bottom pipe drawing outs. Wet towel <Liquid pipe> <Gas pipe> Removal Area for Liquid/Gas pipe bottom side connections. ※Pictures may differ depending on the model. CAUTION •... -
Page 18: Pipe Drawing Out
CONNECTING PIPES Pipe Drawing Out Method of drawing out pipes on the front side and right side - Proceed with the pipe work as shown in the below figure for front side and right side pipe draw- ing out. Preventing foreign objects form entering •... - Page 19 CONNECTING PIPES Method of drawing out pipes on the rear side - Proceed with the pipe work as shown in the below figure for rear side pie drawing out. Pipe Knock Out for Liquid/Gas pipes ※Pictures may differ depending on the model.
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Page 20: Thermal Insulation Of Refrigerant Pipe
CONNECTING PIPES Thermal insulation of refrigerant pipe Be sure to give insulation work to refrigerant pipe by covering liquid pipe and gas pipe separately with enough thickness heat-resistant polyethylene, so that no gap is observed in the joint between indoor unit and insulating material, and insulating materials themselves. When insula- tion work is insufficient, there is a possibility of condensation drip, etc. - Page 21 CONNECTING PIPES Penetrations Outer wall Outer wall (exposed) Inner wall (concealed) Penetrating portion on fire limit and boundary wall Floor (fireproofing) Roof pipe shaft Ⓐ Sleeve Ⓑ Heat insulating material Ⓒ Lagging Ⓓ Caulking material Ⓔ Band Ⓕ Waterproofing layer Ⓖ...
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Page 22: Forming The Piping
CONNECTING PIPES Forming the piping In cases where the Outdoor unit is installed above the Indoor unit perform the following. Form the piping by wrapping the connecting Tape the piping and connecting cable from portion of the indoor unit with insulation mate- down to up. -
Page 23: Plumbing Materials And Storage Methods
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 24: Nitrogen Substitution Method
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 25: 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 26: Evacuation
LEAKAGE TEST AND EVACUATION Evacuation - Replace the valve caps at both gas and liquid side service valves and fasten them tight. - Connect the charge hose end described in This completes air purging with a vacuum pump. the preceding steps to the vacuum pump to The air conditioner is now ready to test run. -
Page 27: 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 28 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.
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Page 29: Function
- Close the side panel or Top Cover. Dip Switch APUQ100LFT0 Function APUW100LFT0 1 2 3 4 5 6 7 8 9 10 Normal Operation (No Function) 9 10 Forced Cooling Operation... -
Page 30: Self-Diagnosis Function
- After error occurrence, if error is released, error LED is also released simultaneously. - To operate again on the occurrence of error code, be sure to turn off the power and then turn - Having or not of error code is different from model. Model APUW100LFT0 APUQ100LFT0 Main Inverter... - Page 31 SELF-DIAGNOSIS FUNCTION Error Display Error Operation Description Count Code State 7 segment Red LED Green LED 2 times ◑ 1 time ◑ 10 times within 1h DC Peak (IPM fault) Error CH 21 Stop 2 times ◑ 2 times ◑ CT2 Error (Input of Over-Current) CH 22 Infinite restart...
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Page 32: Installation Guide At The Seaside
INSTALLATION GUIDE AT THE SEASIDE INSTALLATION GUIDE AT THE SEASIDE In case, to install the outdoor unit on the sea- CAUTION side, 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 33: Convenient Functions
CONVENIENT FUNCTIONS CONVENIENT FUNCTIONS Pressure compensation function If you use additional pipe to install the cooling operation, this function can compensate the target of pressure by setting dip switch. * Pressure compensation function is release at initial state as standard. * This function is used only if the length of pipe >...
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