LG ATUW36GYLP0 Installation Manual Download Page 23

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FUNCTION

ENGLISH

WARNING

• When the green LED of PCB is on,

compressor is going to be off because of
low pressure.

• You should return the DIP Switch to

operate normally after finishing the
operation.

• Improper Pump down will lead to product

turn off along with LED (green &red) off
with in 20 minutes from the initial start.

Pump Down DIP S/W Setting

Power on

(Red LED On, Green LED Off)

- Reset the power.

- Red LED and Green LED of PCB lights during work. (The indoor unit is operated by force.)

- If operation is done, Red LED will be turned off.

If operation is not done normally, Red LED will blink.

- Close the Liquid valve only after green LED turned off (7 minutes from the start of the machine).

Then close the gas valve after Green LED on.

Liquid Valve
Closed

Gas Valve
Closed

Comp on

(Red LED On, Green LED On)

Pump Down Start

(Red LED On, Green LED Off)

Pump Down Complete

(Red LED Off, Green LED On)

Power off

(Red LED Off, Green LED On)

FUNCTION

Forced Cooling Operation

Adding the refrigerant in winter.

- Set the DIP Switch as follow after shutting the power source down.

Free Joint Single Outdoor, Ceiling Caeestte <Type : 4Way>,
Ceiling Suspended Air conditioner, Ceiling Concealed Duct,
Floor Standing Air Conditioner

Setting Procedure

U4: 36 kBtu/h

U4: 48 kBtu/h
U3: 54 kBtu/h
U5: 54 kBtu/h

U4: 36 kBtu/h

U3: 50 kBtu/h

Ceiling Cassette <Type : Round>

Summary of Contents for ATUW36GYLP0

Page 1: ...on 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 OUTDOOR UNIT www lg com Copyright 2014 2020 LG Electronics Inc All Rights Reserved MFL67448519 Rev 01_011620 ENGLISH ESPAÑOL PORTUGUÊS ...

Page 2: ...uality may deteriorate if the air 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...

Page 3: ... 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 Use a vacuum pump or Inert nitrogen gas when doing leakag...

Page 4: ...door outdoor unit and do not put anything on it It may cause an injury through dropping of the unit or falling down Do not place a heavy object on the power cord Otherwise it may cause a fire or electrical shock When the product is submerged into water always contact the service center Otherwise it may cause a fire or electrical shock Take care so that children may not step on the outdoor unit Oth...

Page 5: ...reparation of Piping 15 Connecting the pipes to the Outdoor unit 16 Forming the piping 17 Plumbing materials and storage methods 18 Nitrogen substitution method 19 LEAKAGE TEST AND EVACUATION 19 Preparation 19 Leakage test 20 Evacuation 21 TEST RUNNING 23 FUNCTION 23 Forced Cooling Operation 24 SELF DIAGNOSIS FUNCTION 24 Error Indicator Outdoor 26 INSTALLATION GUIDE AT THE SEASIDE 27 CONVENIENT FU...

Page 6: ... a place so that the warm air and noise from the air conditioner do not disturb neighbors More than 300 mm Fence or obstacles Sunroof More than 700 mm More than 600 mm More than 300 mm Unit mm Installation Places Free Joint Single Outdoor Piping length and the elevation INSTALLATION OF OUTDOOR UNIT CHASSIS CAPACITY Btu h Pipe Size mm inch Length A m Elevation B m Additional Refrigerant g m Gas Liq...

Page 7: ... 1 2 Ø6 35 1 4 5 30 5 15 20 U24A 24 K Ø15 88 5 8 Ø9 52 3 8 5 50 5 30 20 U4 36 K Ø15 88 5 9 Ø9 52 3 8 5 50 5 30 20 48 K Ø19 05 3 4 Ø9 52 3 8 5 50 5 30 20 U3 54 K Ø19 05 3 4 Ø9 52 3 8 5 50 5 30 20 CHASSIS CAPACITY Btu h Pipe Size mm inch Length A m Elevation B m Additional Refrigerant g m Gas Liquid Standard Max Standard Max UL2 18 K Ø12 7 1 2 Ø6 35 1 4 5 30 5 15 20 U24A 24 K Ø15 88 5 8 Ø9 52 3 8 5 ...

Page 8: ...rge may result in abnormal cycle CAUTION CHASSIS CAPACITY Btu h Pipe Size mm inch Length A m Elevation B m Additional Refrigerant g m Gas Liquid Standard Max Standard Max U4 36 K Ø15 88 5 9 Ø9 52 3 8 7 5 50 5 30 40 U3 50 K Ø19 05 3 4 Ø9 52 3 8 7 5 75 5 30 40 If installed tube is shorter than 7 5 m additional charging is not necessary Additional Refrigerant A 7 5 x Additional refrigerant g Ceiling ...

Page 9: ...g Applied Model Free Joint Single Outdoor Ceiling Caeestte Type 4Way Ceiling Suspended Air conditioner Ceiling Concealed Duct Floor Standing Air Conditioner Open the Side panel or Top Cover of outdoor unit Set the SW1 or DIP SW01D U4 36 kBtu h U4 48 kBtu h U3 54 kBtu h U5 54 kBtu h SW1 DIP SW01D 6 Close the Side panel or Top Cover WARNING When you set the DIP switch you should turn off the circuit...

Page 10: ...disconnection device to adequately disconnect all supply lines must be fitted Model of circuit breaker recommended by authorized personnel only Free Joint Single Outdoor Ceiling Caeestte Type 4Way Ceiling Suspended Air conditioner Ceiling Concealed Duct Floor Standing Air Conditioner Outdoor Indoor Main power source Switch box ELCB Chassis Phase Ø ELCB UL2 18 kBtu h 1 20A U24A 24 kBtu h 1 25A U4 3...

Page 11: ... 4 S4 This equipment shall be provided with a cord set complying with the national regulation If the supply cord is damaged it must be replaced by a special cord or assembly available from the manufacturer of its service agent When the connection line between the indoor unit and outdoor unit is over 40 m connect the telecommunication line and power line separately CAUTION GN YL 20 mm 35 5 mm 10 3 ...

Page 12: ...nnecting wiring which is the same thickness do as shown in the figure below 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 screwdriver with a small head will strip the head and make proper tightening impossible Over tightening the terminal scr...

Page 13: ...nal Power cord terminal Cord clamp Make sure the rubber bushes are properly used in knock out holes after connecting main power 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 The Power cord conn...

Page 14: ... 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 R 410A as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above 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 Copp...

Page 15: ...row on the wrench Preventing foreign objects from entering Plug the pipe through holes with putty or insulation material procured locally to stop up all gaps Torque wrench Contin uous Gas side piping Liquid side piping Drain hose Connecting wire h When tighten the pipe hold the hexagonal body Outside diameter Torque mm inch N m Ø 6 35 1 4 16 2 Ø 9 52 3 8 38 4 Ø 12 7 1 2 55 6 Ø 15 88 5 8 75 7 Ø 19 ...

Page 16: ...ing 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 the pipings with the pipings with gum type sealer gum type sealer Seal a small opening around the pipings with gum type sealant In cases where the outdoor unit is installed above the indoor unit perform the following 1...

Page 17: ...not cold and warm Clogging of EEV capillary Gas shortages Degradation of refrigerant oil Poor insulation of the compressor Do not cold and warm Counter measure No moisture in the pipe Until the connection is completed the plumbing pipe entrance should be strictly controlled Stop plumbing at rainy day Pipe entrance should be taken side or bottom When removal burr after cutting pipe pipe entrance sh...

Page 18: ...ve degradation of refrigerant oil Because it is flammable it is strictly prohibited to use Carbon dioxide degrade the drying characteristics of gas Chevron gas toxic gas occurs when exposed to direct flame 2 Always use a pressure reducing valve 3 Please do not use commercially available antioxidant The residual material seems to be the oxide scale is observed In fact due to the organic acids gener...

Page 19: ... cylinder must be higher than its bottom when you pressurize the system Usually the cylinder is used in a vertical standing position 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 the soap with a clean cloth After the system is found to be free of leaks relieve the nitrogen pres...

Page 20: ...e the hose 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 Replace the valve caps at both gas and liquid side service valves and fasten them tight This completes air purging with a vacuum pump The air conditioner is now ready to test run Indoor unit Outdoo...

Page 21: ... power supply Circuit breaker is required Operate the unit for fifteen minutes or more Precautions In Test Running Connection of power supply Evaluation of the performance 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 Then attention must be paid Carry out the test run more th...

Page 22: ...hey 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 voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the ...

Page 23: ...rmally Red LED will blink Close the Liquid valve only after green LED turned off 7 minutes from the start of the machine Then close the gas valve after Green LED on Liquid Valve Closed Gas Valve Closed Comp on Red LED On Green LED On Pump Down Start Red LED On Green LED Off Pump Down Complete Red LED Off Green LED On Power off Red LED Off Green LED On FUNCTION Forced Cooling Operation Adding the r...

Page 24: ...c Unit sec Outdoor Error Ex Error 21 DC Peak 1 Time 1 Time 1 Time 2 Times 2 Times 2 Times 1 1 1 2 2 LED 1 RED LED 2 GREEN LED RED 2 Times 2 Times 2 Times 1 2 1 1 2 1 Time 1 Time 1 Time SELF DIAGNOSIS FUNCTION UL2 18 kBtu h U24A 24 kBtu h U4 36 kBtu h U4 48 kBtu h U3 54 kBtu h U3 50 kBtu h U5 54 kBtu h ...

Page 25: ... Short 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 51 Capacity over 5 times 1 time OFF 53 Communication Error Indoor Outdoor 5 times 3 times OFF 60 EEPROM Error Outdoor 6 times 0 OFF 61 Cond Middle Pipe High 6 times 1 time OFF 62 Heatsink Error High 6 times 2 times OFF 65 Heatsink Th Error Open Short 6 times...

Page 26: ... wind Windbreak Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water 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 wind directly It can result corrosion on the product Corrosion particularly on the conde...

Page 27: ...erent depend on the model Set the DIP switch as follow after shutting the power source down 1 Open the side panel or top cover of outdoor unit 2 Set the DIP switch like below image For setting pressure compensation function CONVENIENT FUNCTIONS U4 36 kBtu h U3 50 kBtu h Setting Display Communication status Press tact switch Key letter for each data Indicating data for 0 5 0 5 off 0 5 off 0 5 off 0...

Page 28: ...28 ENGLISH ...

Page 29: ......

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