LG LUU180HHV Installation Manual Download Page 3 | Manualshive

Page: 3 / 24

LG LUU180HHV Installation Manual Download Page 3

3

SAFETY INSTRUCTIONS

WARNING

• Installation or repairs made by unqualified persons can result in hazards to you and others.

• Installation of all field wiring and components MUST conform with local building codes or, in

the absence of local codes, with the National Electrical Code 70 and the National Building
Construction and Safety Code or Canadian Electrical code and National Building Code of
Canada.

• The information contained in the manual is intended for use by a qualified service technician

familiar with safety procedures and equipped with the proper tools and test instruments.

• Failure to carefully read and follow all instructions in this manual can result in equipment

malfunction, property damage, personal injury and/or death.

Installation

• Always perform grounding.

- Otherwise, it may cause electrical shock.

• Don’t use a power cord, a plug or a loose socket which is damaged.

- Otherwise, it may cause a fire or electrical shock.

• For installation of the product, always contact the service center or a professional installation agency.

- Otherwise, it may cause a fire, electrical shock, explosion or injury.

• Securely attach the electrical part cover to the indoor unit and the service panel to the outdoor unit.

- If the electrical part cover of the indoor unit and the service panel of the outdoor unit are not

attached securely, it could result in a fire or electric shock due to dust, water, etc.

• Always install an air leakage breaker and a dedicated switching board.

- No installation may cause a fire and electrical shock.

• Do not keep or use flammable gases or combustibles near the air conditioner.

- Otherwise, it may cause a fire or the failure of product.

• Ensure that an installation frame of the outdoor unit is not damaged due to use for a long time.

- It may cause injury or an accident.

• Do not disassemble or repair the product randomly.

- It will cause a fire or electrical shock.

• Do not install the product at a place that there is concern of falling down.

- Otherwise, it may result in personal injury.

!

ENGLISH

SAFETY INSTRUCTIONS

The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or
incorrect operation of the appliance.
The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below.

WARNING

This indicates that the failure to follow the instructions can cause serious injury or death.

CAUTION

This indicates that the failure to follow the instructions can cause the minor injury or damage to the
product.

This symbol is displayed to indicate matters and operations that can cause risk.
Read the part with this symbol carefully and follow the instructions in order to avoid risk.

!

!

!

«
1
2
3
4
5
...
»

Summary of Contents for LUU180HHV

Page 1: ...stallation 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 MFL68061228 Rev 01_061120 www lghvac com www lg com Copyright 2017 2020 LG Electronics Inc All Rights Reserved ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...conditioner 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 ca...

Page 3: ...the electrical part cover of the indoor unit and the service panel of the outdoor unit are not attached securely it could result in a fire or electric shock due to dust water etc Always install an air leakage breaker and a dedicated switching board No installation may cause a fire and electrical shock Do not keep or use flammable gases or combustibles near the air conditioner Otherwise it may caus...

Page 4: ...he head of the plug and do not touch it with wet hands Otherwise it may cause a fire or electrical shock Do not use the power cord near the heating tools Otherwise it may cause a fire and electrical shock Do not open the suction inlet of the indoor outdoor unit during operation Otherwise it may electrical shock and failure Do not allow water to run into electrical parts Otherwise it may cause the ...

Page 5: ... the product Otherwise it may cause vibration or water leakage Do not install the unit in potentially explosive atmospheres Operation Avoid excessive cooling and perform ventilation sometimes Otherwise it may do harm to your health Use a soft cloth to clean Do not use wax thinner or a strong detergent The appearance of the air conditioner may deteriorate change color or develop surface flaws Do no...

Page 6: ...g the cable to Outdoor Unit 11 CONNECTING COPPER PIPES 11 Preparation of Piping 12 Plumbing materials and storage methods 13 Connecting the pipes to the Outdoor unit 14 Forming the piping 15 LEAKAGE TEST AND EVACUATION 15 Preparation 15 Leakage test 16 Evacuation 17 TEST RUNNING 18 FUNCTION 18 Pump Down 19 SELF DIAGNOSIS FUNCTION 19 Error Indicator Outdoor 20 DIP S W Setting 21 INSTALLATION GUIDE ...

Page 7: ...vent 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 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 ...

Page 8: ...or unit Indoor unit 1 2 3 1 2 3 CAUTION The power cord connected to the outdoor unit should be complied with IEC 60245 or HD 22 4 S4 This equipment shall be provided with a cord set complying with the national regulation 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 cord set complying with the national reg...

Page 9: ...inal 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 Power wire Ground wire Round pressure terminal For wiring use the designated power wire and connect firmly then secure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver for tightening the terminal screws A screw...

Page 10: ...m 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 Cord clamp Power cable terminal Connecting cable terminal Connecting cable terminal Power cord terminal Cord clamp Cord clamp Make sure the rubber bushes are Properl...

Page 11: ...pe tube having completed burr removal Not possible to put them on after flaring work Flaring work Firmly hold copper tube in a bar or die as indicated dimension in the table above Carry out flaring work using dedicated flaring tool for R 410A as shown below Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work again Copper ...

Page 12: ...Cause failure Significant hydrolysis of refrigerant oil Degradation of refrigerant oil Poor insulation of the compressor Do not cold and warm Clogging of EEV Capillary Degradation of refrigerant oil Poor insulation of the compressor Do not cold and warm Clogging of EEV Capillary Gas shortages Degradation of refrigerant oil Poor insulation of the compressor Do not cold and warm Countermeasure No mo...

Page 13: ...venting foreign objects from entering Figure3 Plug the pipe through holes with putty or insulation material procured locally to stop up all gaps as shown in the figure 3 Outside diameter Torque mm inch N m kgf m lbf ft Ø 6 35 1 4 14 18 1 4 1 8 10 13 Ø 9 52 3 8 34 42 3 5 4 3 25 31 Ø 12 7 1 2 49 61 5 0 6 2 36 45 Ø 15 88 5 8 69 82 7 0 8 4 51 60 Ø 19 05 3 4 100 120 10 0 12 2 73 88 Continuous Continuou...

Page 14: ...saddle or equivalent In cases where the outdoor unit is installed above the indoor unit perform the following 1 Tape the piping and connecting cable 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 ...

Page 15: ...s service port with charge hoses Pressurize the system to no more than 3 0 MPa 427 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reached 3 0 MPa 427 P S I G Next test for leaks with liquid soap 1 Do a leakage test of all joints of the tubing both Indoor unit and outdoor unit and both gas and liquid side service valves Bubbles indicate a leak Be sure to wipe off ...

Page 16: ... 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 the valve caps at bo...

Page 17: ... M4 118 N cm 10 4 lbs inch M5 196 N cm 17 3 lbs inch M6 245 N cm 21 7 lbs inch M8 588 N cm 52 lbs inch Connection of power supply Connect the power supply cord to the independent power supply Circuit breaker is required Operate the unit for fifteen minutes or more Evaluation of the performance Measure the temperature of the intake and discharge air Ensure the difference between the intake temperat...

Page 18: ...the gas valve after Green LED on 1 2 3 4 5 6 18k 24k 4kW Controller 24k 4 5kW Controller 36k 42k 48k Pump Down DIP S W Setting Power on Red LED On Green LED Off Comp on Red LED On Green LED On Pump Down Start Red LED On Green LED Off Liquid Valve Closed Gas Valve Closed Pump Down Complete Red LED Off Green LED On Power off Red LED Off Green LED On NOTE When the green LED of PCB is on compressor is...

Page 19: ...or Error 4 times 3 times OFF 44 Outdoor air Th Error Open Short 4 times 4 times OFF 45 Cond Middle Pipe Th Error Open Short 4 times 5 times OFF 46 Suction Pipe Th Error Open Short 4 times 6 times OFF 48 Cond Out Pipe Th Error Open Short 4 times 8 times OFF 51 Capacity over 5 times 1 time OFF 53 Communication Error Indoor Outdoor 5 times 3 times OFF 54 Open and Reverse Phase Error 5 times 4 times O...

Page 20: ...breaker or shut the power source of the product down DIP Switch Function 18k 24k 4kW Controller 24k 4 5kW Controller 36k 42k 48k 1 2 3 4 5 1 2 3 4 5 1 2 1 2 3 4 5 6 1 2 3 4 5 1 2 3 4 5 1 2 1 2 3 4 5 6 Normal Operation No Function 1 2 3 4 5 1 2 3 4 5 1 2 1 2 3 4 5 6 Pump Down 1 2 3 4 5 1 2 3 4 5 1 2 1 2 3 4 5 6 Mode Lock Cooling 1 2 3 4 5 1 2 3 4 5 1 2 1 2 3 4 5 6 Mode Lock Heating 1 2 3 4 5 1 2 3 ...

Page 21: ...ect a well drained place Selecting the location Outdoor unit Sea wind Sea wind Sea wind Windbreak 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 NOTE 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 co...

Page 22: ...stem may malfunction If it is installed at snowy area attach the hood to the system Install the outdoor unit at the higher installation console by 50 cm than the average snowfall annual average snowfall if it is installed at the area with much snowfall Where snow accumulated on the upper part of the Outdoor Unit by more than 10 cm always remove snow for operation 1 The height of H frame must be mo...

Page 23: ......

Page 24: ...ase call the installing contractor of your product as warranty service will be provided by them CANADA Service call Number 888 LG Canada 888 542 2623 Numéro pour les appels de service LG Canada 1 888 542 2623 ...

Reviews:

No comments