LG APUQ100LFT0 Installation Manual Download Page 12 | Manualshive

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12

WIRING CONNECTION

ENGLISH

Electrical wiring

Perform the electrical wiring work according

to the electrical wiring connection.

- All wiring must comply with local require-

ments.

- Select a power source that is capable of sup-

plying the current required by the air condi-

tioner.

- 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

Outdoor

Indoor

Main
power source

Switch box

ELCB

Model

Phase(ø) ELCB

APUQ100LFT0

APUW100LFT0

3

40 A

WIRING CONNECTION

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Summary of Contents for APUQ100LFT0

Page 1: ...lation 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 ENGLISH FRANÇAIS ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 6: ...tween indoor unit and outdoor unit 15 Connecting the cable to Outdoor Unit 16 CONNECTING PIPES 16 Preparation of Pipe 17 Preparation Work 18 Pipe Drawing Out 20 Thermal insulation of refrigerant pipe 22 Forming the piping 23 Plumbing materials and storage meth ods 24 Nitrogen substitution method 25 LEAKAGE TEST AND EVACUATION 25 Preparation 25 Leakage test 26 Evacuation 27 TEST RUNNING 29 FUNCTION...

Page 7: ... 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 the air conditioner do not disturb neighbors Fence or obstacles More than 700 mm More than 450 mm More than More than 350mm 350mm More than ...

Page 8: ...g in and lifting with 3 point support may make outdoor unit unstable resulting in a fall Use 2 belts of at least 8 m long Place extra cloth or boards in the locations where the casing comes in contact with the sling to prevent damage Hoist the unit making sure it is being lifted at its center of gravity When carrying the suspended unit pass the ropes between legs of base panel under the unit Alway...

Page 9: ...t least 100 mm under the Unit s legs before being fixed The outdoor unit supports should have minimum height of 200 mm Anchor bolts must be inserted at least 75 mm At least 100 mm At least 100 mm At least 100 mm At least 100 mm At least 100 mm At least 100 mm Center of the Unit For outdoor units should not be supported only by the corner supports Center of the Unit 1 090 700 380 401 Unit mm The ou...

Page 10: ...ttlement and may cause freezing of the heat exchanger resulting in abnormal operations Be sure to remove the pallet wood support of the bottom side of the outdoor unit before welding Not removing pallet wood support causes hazard of fire during welding WARNING Install where it can sufficiently support the weight of the outdoor unit If the support strength is not enough the outdoor unit may drop an...

Page 11: ...cause to decrease capacity Capacity is based on the length of 5 m and maximum allowance length is on the 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 Model Pipe Size mm inch Length A m Elevation B m Additional refrigerant g m Gas ...

Page 12: ...of sup plying the current required by the air condi tioner 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 Outdoor Indoor Main power source Switch box ELCB Model Phase ø ELCB APUQ100LFT0 APUW100LFT0 3 40 A W...

Page 13: ...h IEC 60245 or HD 22 4 S4 This equipment shall be provided with a cable set complying with 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 ...

Page 14: ...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...

Page 15: ...e Properly used in knock out holes after connecting main power cable Connecting cable terminal Power cord terminal Cord clamp Cord clamp 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 ...

Page 16: ...on of pipe Put the end of the copper pipe to downward direction as you remove burrs in order to avoid to let burrs drop in the pipe Welding Pipe connections can be done on the front side or on the side according to the installa tion environments Be sure to let 1 0 kgf cm2 Nitrogen flow in the pipe when we lding If Nitrogen was not flown during welding many oxidized membranes may form inside the pi...

Page 17: ...e care so that there is no thermal damage on the service valves of the outdoor unit Especially packing part of service port Wrap the service valve with a wet towel when brazing it as shown figure above Pictures may differ depending on the model Remove leakage prevention cap Remove the leakage prevention cap attached to the outdoor unit service valve before pipe work Proceed the leakage prevention ...

Page 18: ...al Produced locally Pictures may differ depending on the model Method of drawing out pipes on the bottom side Drawing out common pipe through base panel Liquid pipe Gas pipe Remove only liquid gas pipe Knock out Preventing foreign objects form entering Plug the pipe through holes with putty or insulation material procured locally to stop up all gaps as shown in the figure Insects or small animals ...

Page 19: ...9 ENGLISH 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 ...

Page 20: ...plate Oily paint NOTE When using polyethylene cover as cover ing material asphalt roofing shall not be required NOTE Recommended Insulation material Material EPDM Thickness 15 mm Gas pipe and 19 mm Liquid pipe or over Density less than 0 032 0 005 g cm2 Thermal conductivity less than 0 03 kcal m hr C Cutting line of insulation must look upper direction Thickness of insulation is 15 mm Gas pipe and...

Page 21: ...g material Ⓒ Lagging Ⓓ Caulking material Ⓔ Band Ⓕ Waterproofing layer Ⓖ Sleeve with edge Ⓗ Lagging material Ⓘ Mortar or other incombustible caulking Ⓙ Incombustible heat insulation material When filling a gap with mortar cover the penetration part with steel plate so that the insulation material will not be caved in For this part use incombustible materials for both insulation and covering Vinyl c...

Page 22: ... 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 Trap Seal a small opening around the pipings with gum type sealer In cases where the Outdoor unit is installed above the I...

Page 23: ...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...

Page 24: ...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...

Page 25: ...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...

Page 26: ...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 Finishing the Job Evacu...

Page 27: ...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...

Page 28: ...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 ...

Page 29: ...5 6 7 8 9 10 Night Quiet Mode Step 1 X 1 2 3 4 5 6 7 8 9 10 Night Quiet Mode Step 2 X 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Night Quiet Mode Step 1 X 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Night Quiet Mode Step 2 X 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Saving Power Consumption Step 1 X 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Saving Power Consumption Step 2 X 1 2 3 4 5 6 7 8 9 10 Mode Lock Heating...

Page 30: ...lly if there is any trouble 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...

Page 31: ...sor Error CH 44 4 times 4 times 1 time within 1h Stop 45 Cond Mid pipe sensor error CH 45 4 times 5 times 1 time within 1h Stop 46 Suction Pipe Sensor Error CH 46 4 times 6 times 1 time within 1h Stop 48 Cond Out Pipe Sensor Error CH 48 4 times 8 times 1 time within 1h Stop 51 Over Capacity Connection Error CH 51 5 times 1 time 1 time within 1h Stop 52 Communication Error between Main PCB Inverter...

Page 32: ...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...

Page 33: ...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...

Page 34: ...34 ENGLISH ...

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