LG UU12WH Installation Manual Download Page 1 | Manualshive

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P/NO : MFL67343201

www.lg.com

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.

TYPE : HIGH EFFICIENCY INVERTER

MODEL : AUUW126DH1 [UU12WH]
AUUW186DH1

[UU18WH]

AUUW216DH1

[UU21WH]

ENGLISH

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Summary of Contents for UU12WH

Page 1: ...nstalling 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 TYPE HIGH EFFICIENCY INVERTER MODEL AUUW126DH1 UU12WH AUUW186DH1 UU18WH AUUW216DH1 UU21WH ENGLISH ...

Page 2: ...condi tioner is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You c...

Page 3: ... a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product There is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire or electric ...

Page 4: ...CAUTION Installation Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage Keep level even when installing the product To avoid vibration or water leakage Do not install the product where the noise or hot air fr...

Page 5: ...d drain hose to drain pipe 10 Connecting the pipes to the Outdoor unit 11 Forming the piping 12 LEAKAGE TEST AND EVACUATION 12 Preparation 12 Leakage test 13 Evacuation 14 WIRING CONNECTION 14 Electrical Wiring 15 TEST RUNNING 17 NIGHT SILENT OPERA TION SETTING 18 SELF DIAGNOSIS FUNC TION 18 Error Indicator Outdoor 19 INSTALLATION GUIDE AT THE SEASIDE 19 Selecting the location Outdoor Unit TABLE O...

Page 6: ...t Do not place animals and plants in the path of the warm air Take the air conditioner weight into account and select a place where noise and vibration are minimum Select a place so that the warm air and noise from the air conditioner do not disturb neigh bors INSTALLATION PLACES More than 300 More than 700 More than 600 More than More than 300 300 Sunroof Fence or obstacles OUTDOOR OUTDOOR Unit U...

Page 7: ...or more to the panel of control box marked as and fasten with earth screw 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 not to be pulled out easily Connect the wires according to color codes by referring the wiring diagram Cover control Tubing Cover Connecting cable terminal Power cord t...

Page 8: ...gh holes with putty or in sulation material procured locally to stop up all gaps as shown in the figure 2 Insects or small animals entering the outdoor unit may cause a short circuit in the electrical box Forward Sideways Backward Figure 1 Gas side piping Bigger Dia Liquid side pipi Smaller Dia Drain hose Connecting wire Connection pipe Figure 2 Putty or insulating material produced locally ...

Page 9: ...ttached to indoor and outdoor units than put them on pipe tube having completed burr removal Not possible to put them on after flaring work Flaring work Carry out flaring work using dedicated flaring tool for R410A as shown below Firmly hold copper tube in a bar or die as indi cated dimension in the table above Check Compare the flared work with figure below If flare is noted to be defective cut o...

Page 10: ...s When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Outside diameter Torque mm inch kgf m Ø6 35 1 4 1 8 2 5 Ø9 52 3 8 3 4 4 2 Ø12 7 1 2 5 5 6 6 Ø15 88 5 8 6 6 8 2 Indoor unit tubing Flare nut Pipings Torque wrench Indoor unit tubing Spanner fixed Connection pipe Flare nut Vinyl tape narrow Adhesive Drain pipe Indoor unit drain hose...

Page 11: ...able from down to up 2 Secure the taped piping along the exterior wall Form a trap to prevent water entering the room 3 Fix the piping onto the wall by saddle or equivalent Trap is required to prevent water from entering into electrical parts Taping Drain hose Pipings Connecting cable Power supply cord Plastic Plastic band band Plastic band Seal a small Seal a small opening around opening around t...

Page 12: ...nder to this service port with charge hoses Pressurize the system to no more than 3 8 Mpa with dry nitrogen gas and close the cylinder valve when the gauge reading reached 3 8 MPa Next test for leaks with liq uid soap 1 Do a leakage test of all joints of the tub ing both Indoor unit and outdoor unit and both gas and liquid side service valves Bubbles indicate a leak Be sure to wipe off the soap wi...

Page 13: ... the valve stem of gas side valve counter clockwise to fully open the valve 3 Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose 4 Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system 5 Replace th...

Page 14: ...nel only Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block When none are available follow the instruc tions below Do not connect wiring of different thick nesses 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 Outdoor Indoor Ma...

Page 15: ... complete refrigerant and drain piping Is there any leakage of refrigerant Is the remote controller switch oper ated Is there any faulty wiring Are not terminal screws loosened M4 118N cm 12kgf cm M5 196N cm 20kgf cm M6 245N cm 25kgf cm M8 588N cm 60kgf cm 2 Connection of power supply Connect the power supply cord to the in dependent power supply Circuit breaker is required Operate the unit for fi...

Page 16: ...d during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated volt age marked on the name plate 7 Confirm that the cable thickness is ...

Page 17: ...SH NIGHT SILENT OPERATION SETTING 1 Open the panel of outdoor unit 2 Set the DIP SW01N as below Fig 3 Close the panel ON 1 2 3 4 DIP SW01N DIP Switch2 Function ON Night Silent Operation ON OFF Night Silent Operation OFF ON 1 2 3 4 DIP SW01N ...

Page 18: ...High Volt 2times 8times OFF 29 Comp Over Current 2times 9times OFF 32 D Pipe High Inv 3times 2times OFF 41 Inv D Pipe Th Error Open Short 4times 1time OFF 44 Outdoor air Th Error Open Short 4times 4times OFF 45 Cond Middle Pipe Th Error Open Short 4times 5times OFF 46 Suction Pipe Th Error Open Short 4times 6times OFF 48 Cond Out Pipe Th Error Open Short 4times 8times OFF 51 Capacity over 5times 1...

Page 19: ...the windbreak for easy air flow 3 Select a well drained place Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water INSTALLATION GUIDE AT THE SEASIDE CAUTION Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the product where it could be exposed to sea wind salty ...

Page 20: ...20 ENGLISH ...

Page 21: ......

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