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ENGLISH

P/NO : MFL68061209

INSTALLATION MANUAL

AIR

CONDITIONER

www.lg.com

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
APUQ55GT3E0, APUQ55GT3M0, APUW55GT3E0, APUW55GT3M0
APUQ55LT3E0, APUQ55LT3M0, APUW55LT3E0, APUW55LT3M0
APUQ55GT3A0, APUQ50LT3E0, APUW50GT3E0, APUW50LT3E0

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Содержание APUQ50LT3E0

Страница 1: ...allation 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 APUQ55GT3E0 APUQ55GT3M0 APUW55GT3E0 APUW55GT3M0 APUQ55LT3E0 APUQ55LT3M0 APUW55LT3E0 APUW55LT3M0 APUQ55GT3A0 APUQ50LT3E0 APUW50GT3E0 APUW50LT3E0 ...

Страница 2: ...uality may deteriorate if the air 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 her...

Страница 3: ...er 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 earth leakage circuit breaker and a dedicated switching board No installation may cause a fire and electric shock Do not keep or use fla...

Страница 4: ...electric shock Do not open the suction inlet of the indoor outdoor unit during operation Otherwise it may electric shock and failure Do not allow water to run into electrical parts Otherwise it may cause the failure of machine or electric shock Do not touch the power cable with wet hands It may cause electric shock and damage Never touch the metal parts of the unit when removing the filter They ar...

Страница 5: ...t Keep level parallel in installing the product Otherwise it may cause vibration or water leak age 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 not use an appliance for sp...

Страница 6: ... the cable to outdoor Unit 13 CONNECTING PIPES 13 Preparation of piping 14 Connecting the pipes to the outdoor unit 16 Forming the piping 19 LEAKAGE TEST AND EVACUATION 19 Preparation 19 Leakage test 20 Evacuation 21 TEST RUNNING 23 FUNCTION 23 Dip switch setting 24 SELF DIAGNOSIS FUNC TION 24 Error indicator Outdoor 27 INSTALLATION GUIDE AT THE SEASIDE 28 CONVENIENT FUNC TIONS 28 Pressure compens...

Страница 7: ... 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 the air conditioner do not disturb neighbors More than 300 mm Fence or obstacles More than 700 mm More than 600 mm More than More than 300mm 300mm More than 300 mm Sunro...

Страница 8: ... basis of reliability Improper refrigerant charge may result in abnormal cycle CAUTION If installed tube is shorter than 5 m additional charging is not necessary Additional Refrigerant A 5 x Additional refrigerant g Piping length and the elevation MODEL Pipe Size Length A m Elevation B m Additional Refrigerant g m Gas Liquid Standard Max Standard Max APUQ55GT3E0 APUQ55GT3M0 Ø19 05 3 4 Ø 9 52 3 8 5...

Страница 9: ... 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 Outdoor Indoor Main power source Switch box ELCB Model Phase ø ELCB APUQ55GT3E0 APUQ55GT3M0 APUW55GT3E0 APUW55GT3M0 APUQ55GT3A0 APUW50GT3E0 1 40 A APUQ55LT3E0 APUQ5...

Страница 10: ... the national regulation If the supply cable is damaged it must be replaced by a special cable or assembly availible from the manufacturer of its service agent When the connection line between the indoor unit and out dooor unit is over 40 m connect the telecommunication line and power line separately CAUTION GN YL 20 mm 35 5 mm 10 3 mm NORMAL CROSS SECTIONAL AREA 0 75 mm2 20 mm GN YL 35 5 mm 10 3 ...

Страница 11: ...ow 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 terinal screws A screwdriver with a small head will strip the head and make proper tighterning impossible Over tightening the terminal screws may break them Round pressure terminal Power wire Connect same thickn...

Страница 12: ... main power Connecting cable terminal Power cable terminal Cord clamp Cord clamp Make sure the rubber bushes are properly used in knock out holes after connecting main power Cord clamp Power cable terminal Connecting cable terminal Power cable terminal Connecting cable terminal The circuit diagram is not subject to change without notice Be sure to connect wires according to the wiring diagram Conn...

Страница 13: ... attached to indoor and outdoor unit then 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 flaring tool as shown below Firmly hold copper pipe in a bar in the di mension shown in the table below Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and ...

Страница 14: ...th torque wrench ensure the direction for tightening follows the arrow on the wrench When tighten the pipe hold the hexago nal 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 05 3 4 110 10 Insects or small animals entering the out door unit may cause a short circuit in the electrical box CAUTION Continuous Torque wrench Continuous Torq...

Страница 15: ...ly When connecting in a downward direction knock out the knock out hole of the base pan refer to figure 2 Preventing foreign objects from entering Fig ure3 Plug the pipe through holes with putty or in sulation material procured locally to stop up all gaps as shown in the figure 3 Insects or small animals entering the out door unit may cause a short circuit in the electrical box CAUTION ...

Страница 16: ...Drain hose Pipings Connecting cable Power supply cable 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 Trap Seal a small opening around the pipings with gum type sealer In cases where the Outdoor unit is installed above the I...

Страница 17: ...not cold and warm Clogging of EEV capillary Gas shortages Degradation of refrigerant oil Poor insulation of the com pressor 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 s...

Страница 18: ...ive 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 gene...

Страница 19: ...of the 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 and outdoor 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 pressure...

Страница 20: ...ve stem of gas side valve counter clockwise to fully open the valve Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut se curely with an adjustable wrench This process is very important to prevent leakage from the system Outdoor unit Manifold v...

Страница 21: ...ly Circuit breaker is required Operate the unit for 15 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 than 15 minutes wi...

Страница 22: ...ey 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 as specified in the power sources specification Particularly note the ...

Страница 23: ... O O 1 2 3 4 5 6 7 8 9 10 Mode Lock Heating O O 1 2 3 4 5 6 7 8 9 10 Night Quiet Mode Step 1 O O 1 2 3 4 5 6 7 8 9 10 Night Quiet Mode Step 2 O O 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Night Quiet Mode Step 1 O O 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Night Quiet Mode Step 2 O O 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Saving Power Consumption Step 1 O O 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Saving...

Страница 24: ...e Error mark is ON OFF for the operation LED of display parts in the same manner as the follow ing table If more than two troubles occur simultaneously primarily the highest trouble of error code is ex pressed 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 on Having o...

Страница 25: ...ELF DIAGNOSIS FUNCTION 25 ENGLISH Model PCB APUQ55LT3E0 APUQ55LT3M0 APUQ50LT3E0 APUW55LT3E0 APUW55LT3M0 APUW50LT3E0 Main Inverter External fan N A N A Model PCB APUQ55GT3A0 Main Inverter External fan N A ...

Страница 26: ...51 5 times 1 time 1 time within 1h Stop 52 Communication Error between Main PCB Inverter PCB CH 52 5 times 2 times 1 time within 1h Stop 53 Communication Error between Outdoor Device Indoor Device CH 53 5 times 3 times 1 time within 1h Stop 54 Open and Reverse Phase Error CH 54 5 times 4 times 1 time within 1h Stop 60 EEPROM Check Sum Error CH 60 6 times 1 time within 1h Stop 61 Outdoor Device Pip...

Страница 27: ...t a well drained place Sea wind Sea wind Sea wind Windbreak Periodic more than once year clean ing 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 di rectly It can result corrosion on t...

Страница 28: ...ifferent 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_SW01D like below image 3 7 segments indicate each status and data like below image For setting pressure compensation function 1 2 3 4 5 6 7 8 9 10 0 5 sec off Press tact switch Press tact switch Press tact switch Press tact switch Press tac...

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