LG 36k Installation Manual Download Page 2 | Manualshive

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P/NO : MFL67646203

www.lg.com

INSTALLATION MANUAL

• 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 : FLOOR STANDING (Cooling Only Inverter)

AIR CONDITIONER

ENGLISH

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Summary of Contents for 36k

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Page 2: ...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 FLOOR STANDING Cooling Only Inverter AIR CONDITIONER ENGLISH ...

Page 3: ...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 4: ...death Installation 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 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...

Page 5: ...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 6: ...1 Check 12 Plumbing materials and storage methods 13 Connecting the pipings to the indoor unit and drain hose to drain pipe 13 Connecting the pipes to the outdoor unit 14 Forming the piping 14 Precautions in bending 15 LEAKAGE TEST AND EVALUATION 15 Preparation 15 Leakage test 16 Evacuation 17 WIRING CONNECTION 17 Electrical Wiring 18 Connecting the cable 18 Indoor unit 18 Outdoor unit 19 Power su...

Page 7: ...or other obstacles The indoor unit must keep the maintenance space Outdoor unit If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radiation from the condenser is not restricted There should not be any animals or plants which could be affected by hot air dis charged Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacle...

Page 8: ...vation B m Additional refrigerant g m Gas Side Liquid Side Min Max Max 36K 15 88 5 8 9 52 3 8 7 5 50 30 30 48K 15 88 5 8 9 52 3 8 7 5 50 30 40 CAUTION Capacity is based on standard length and maximum allowance length is on the basis of reliability Outdoor unit Indoor unit A B Outdoor unit Indoor unit A B ...

Page 9: ...lly by securing it with bolts Ø12mm and nuts 2 If there is any vibration transmitted to the building mount the rubber underneath the outdoor unit Refrigerant amount Before shipment this air conditioner is filled with the rated amount of refrigerant including additional amount required for air purging subjected to 7 5m piping length The rated amount of refrigerant is indicated on the name plate But...

Page 10: ...in working 7 Tighten the flare nut indoor Connecting the pipings of the indoor unit 8 Check a gas leakage of the connecting part of the pipings 9 Vacuum drying of the piping and indoor unit The air which contains moisture and which remains in the refrigeration cycle may cause a malfunction on the compres sor 10 Open the 3 way liquid side and 3 way gas side valves 11 Form the pipings To prevent hea...

Page 11: ...le core drill Spanner Torque wrench Multi meter Hexagonal wrench Ammeter Gas leak detector Thermometer Level Flaring tool set Manifold gauges Connecting pipe Cable Pipe holder Set anchor Connecting nuts Cable tie Vacuum pump Name Installation parts Installation tools and parts Installation tools ...

Page 12: ... nuts attached 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 defectiv...

Page 13: ...e taken side or bottom When removal burr after cutting pipe pipe entrance should be taken down Pipe entrance should be fitted cap when pass through the walls No dust in the pipe Until the connection is completed the plumbing pipe entrance should be strictly controlled Pipe entrance should be taken side or bottom When removal burr after cutting pipe pipe entrance should be taken down Pipe entrance ...

Page 14: ... nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tighten ing follows the arrow on the wrench Forward Sideways Backward Figure 1 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 Continuous Torque wrench 250...

Page 15: ...in hose and connecting cable from down to up 2 Secure the tapped piping along the exterior wall using saddle or equivalent Trap Seal a small opening around the pipings with gum type sealer OUTDOOR UNIT 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 op...

Page 16: ...ges and dry nitrogen gas cylinder to this service port with charge hoses Pressurize the system to no more than 3 0 Mpa with dry nitrogen gas and close the cylinder valve when the gauge reading reached 3 0 Mpa Next test for leaks with liq uid soap 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...

Page 17: ...he valve stem of gas side valve count er 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 securely with an adjustable wrench This process is very important to prevent leakage from the system Replace the valve...

Page 18: ...none are available follow the instruc tions below Do not connect wiring of different thickness es 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 The power cord connected to the out door unit should be complied with the following specifications Rubber insula tion type H05RN F approved b...

Page 19: ...ews 2 Connect wires to the terminals on the con trol board individually and secure the ca bles onto the control board with clamp 3 Secure the control board cover to the origi nal position with the screws Indoor unit Outdoor unit Main power Make sure the rubber bushes are Properly used in knock out holes after connecting main Power cable Connecting cable terminal Power cord terminal Cord clamp Cord...

Page 20: ...ust be fitted for service operations The screws which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transporta tion 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 See to it that the starting voltage is main tained at more t...

Page 21: ... the heat insulation complete refrigerant and drain piping Is there any leakage of refrigerant Is the remote controller switch operated 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 Connection of power supply Connect the power supply cord to the inde pendent power supply Circuit breaker is required Operat...

Page 22: ...cted 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 Specification of power source Confirm that electrical capacity is suffi cient Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate Confirm that the cable thickness is as sp...

Page 23: ...TING 1 Open the panel of outdoor unit 2 Set the DIP Switch as below Fig 36K DIP Switch 2 48K DIP Switch 5 3 Close the panel DIP Switch Function ON Night Silent Operation ON OFF Night Silent Operation OFF DIP SW01N WARNING Do not open the panel when operating the product ...

Page 24: ... 6times OFF 27 PSC Fault Error 2times 7times OFF 28 DC Link 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 43 Pressure Sensor Error 4times 3times 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 S...

Page 25: ...the seaside installation please contact LG Electronics for the additional anticorro sion Periodic more than once year clean ing of the dust or salt particles stuck on the heat exchanger by using water 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 wind d...

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