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ENGLISH

êÛÒÒÍËÈ

LG
Air Conditioner

INSTALLATION MANUAL

LG

IMPORTANT

• Please read this instruction 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 : Convertible

Summary of Contents for V24LH

Page 1: ...his instruction 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 Convertible ...

Page 2: ... Connecting Pipes and the Indoor Unit 27 Test running 29 Installation guide at the seaside 30 Installation Plate Four Type A screws Connecting cable Pipes Gas side Liquid side Insulated drain hose Insulation materials Additional Drain hose Inner Dia 25mm Two type B screws Level Screw driver Electric drill Hole core drill ø70mm Flaring Tools set Specified Torque Wrenches Specified Torque Wrenches S...

Page 3: ... 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 and the cover of control box securely There is risk of fire or electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock ...

Page 4: ...rigerant 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 from the outdoor unit could damage the neighbor...

Page 5: ...ver the unit to prevent direct sunlight or rain exposure make sure that heat flow from the condenser is not restricted Ensure that the space around the back and sides is more than 300mm The front of the unit should have more than 700mm of space Do not place animals and plants in the path of the warm air Take the weight of the air conditioner into account and select a place where noise and vibratio...

Page 6: ... reliability Improper refrigerant charge may result in abnormal cycle Oil trap should be installed every 10 meters CAUTION Model LV C286BLA1 5 8 15 88mm 1 4 6 35mm 7 5 30 5 20 25 LV H246BLA1 5 8 15 88mm 1 4 6 35mm 7 5 30 5 20 40 LV C362KLA0 5 8 15 88mm 1 4 6 35mm 5 20 5 30 25 LV C602LLA0 3 4 19 05mm 3 8 9 52mm 7 5 20 5 30 60 LV C60BLLA0 3 4 19 05mm 3 8 9 52mm 7 5 20 5 30 50 LV C602LLA2 3 4 19 05mm...

Page 7: ...Grille to the front and it will stop at slightly tilted position Unhook the Inlet hanger from the Hanger screw on the both left and right side Detach the Inlet Grille from the Indoor Unit Detach Side Plate R L by removing each 3 screws on both sides 1 Installation on the ceiling Measure and mark the position for the Suspension bolts and the piping hole Drill the hole for anchor nut on the ceiling ...

Page 8: ...ion bolts on the ceiling Mount the suspension bolts to the anchor nuts firmly Secure the Installation plates onto the Suspension bolts adjust level roughly using nuts washers and spring washers Engage 2 hooks on the both left and right side of the unit to the lower slot of Installation Plates Adjust a level with a level gauge on the direction of left right back forth by adjusting suspension bolts ...

Page 9: ...ditioner 2 Minimum thickness of the insulation for the connecting pipe shall be 7mm 3 If the Installation Plates are fixed to horizontal line the indoor unit after installing will be declined to the bottomside Front of view The unit must be horizontal or declined to the drain hose connected when finished installation The unit must be declined to the bottomside of the unit when finished installatio...

Page 10: ...t on page 16 R R Hook Cabinet Bottom R R Inlet hanger Secure the unit to the Installation Plates with four M8 bolts and washers Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws Hook up the Inlet Grille Hook to the cabinet Hang the Inlet Hanger to the screw ...

Page 11: ...he position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose Drill the hole for anchor nut on the wall Drill the piping hole on the wall slightly tilted to the outdoor side using a ø70 hole core drill Secure the Install Plate onto the wall with four anchor bolts washers and spring washers Before secure the Install Plates select the bent directio...

Page 12: ...lation Plate Insert 2 hooks on the both left and right side of the unit to the inner slot wall side of the Installation Plate Secure the unit to the Installation Plate with four M8 bolts and washers Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws Hook up the Inlet Grille Hook to the cabinet Hang the Inlet Hanger to the screw ...

Page 13: ...e piping hole Drill the hole for the anchor nut on the wall Drill the piping hole using a ø70 hole core drill Secure the Mount Brackets on the wall with four M4 screws Install the indoor unit onto the Mount Brackets Engage the slot at the back of the unit with Mount Bracket Drill the piping hole with 70mm dia hole core drill Piping hole should be slightly slant to the outdoor side After Installing...

Page 14: ...he backside Inlet grill side 4 Hold the side cover with other hand while tapping to prevent it to fall down 5 The Drain hole is on the left side of the unit and side cover opening is common for drain pipe connecting pipe and wiring diagram 6 Remove the rubber stopple in the desired drain direction 7 Knock out the pipe hole from the left side cover with the help or nipper plier 8 Knock hole on righ...

Page 15: ...he direction of left right back forth by adjusting suspension bolts Adjust a level on the direction of top bottom by adjusting supension bolts Then the unit will be declined to the bottomside so as to drain well Suspension bolt B A Washer Nut Suspension bolts Ceiling Anchor nut Suspension bolts Spring washer Max 12mm Washer Nut Flat washer for M10 accessory Flat washer for M10 accessory Hanging bo...

Page 16: ... the fig Ceiling Ceiling 10 20mm 5 10mm 1 Install declination of the indoor unit is very important for the drain of the convertible type air conditioner 2 Minimum thickness of the insulation for the connecting pipe shall be 10mm 3 If the Installation Plates are fixed to horizontal line the indoor unit after installing will be declined to the bottomside Front of view The unit must be horizontal or ...

Page 17: ...ittle longer than measured distance Cut the cable 1 5m longer than the pipe length 2 Burrs removal Completely remove all burrs from the cut cross section of pipe tube Put the end of the copper tube pipe to downward direction as you remove burrs in order to avoid to let burrs drop in the tubing 3 Putting nut on Remove flare nuts attached to indoor and outdoor units than put them on pipe tube having...

Page 18: ...hown 8 If drain pipe need to be extended at the indoor side attach the drain pipe with indoor unit drain hose as shown in fig Wrap the insulation material around connection portion 9 Overlap the connection connecting pipe insulation material and the indoor pipe insulation martial Bind them together with the vinyl tape So that here may not be any gap mm inch kgf cm Ø6 35 1 4 180 250 Ø9 52 3 8 340 4...

Page 19: ... routed inside the room insulate the hose with an insulation material so that dripping from sweating condensation will not damage furniture or floors Foamed polyethylene or equivalent is recommended NOTICE NOTICE Connecting Pipes to the Indoor Unit Wrap with vinyl tape Drain hose Pipe Vinyl tape wide Connecting cable Gas side piping Liquid side piping Drain hose Vinyl tape narrow Connection pipe C...

Page 20: ...under the Hose Bracket as shown in figure Hang the drain hose on the hose hanger and fix it to the hole of the hose bracket with a screw 2 For the Bottom Side Piping Remove the knock out on the bottomside of Inlet Grille Align the center of the pipings and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks Connect the Drain Hose...

Page 21: ...pipings to avoid coming off the drain outlet 2 For the Right Side Piping After bending an end of the connecting tube align the center of the pipings and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks Connect the Drain Hose insulated to the drain outlet Tape the Drain Hose to the pipings to avoid coming off the drain outlet 3...

Page 22: ...lare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench VB CHASSIS Checking the Drainage 1 Remove the Air Filter To remove air filter take hold of tab and pull slightly upwards 2 Check the drainage Spray one or two glasses of water upon the evaporator Ensure that water flows drain hose ...

Page 23: ...the evaporator using a kettle 2 Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit 3 Drain piping 1 The drain hose should point downward for easy drain flow 2 Do not make drain piping like the following Downward slope Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Water leakage Ditch Less...

Page 24: ...18k 24k 28k Cooling Only Heat Pump 4 x 0 75 Including Earth 5 x 0 75 Including Earth CAUTION 1 Connecting cables to the Indoor Unit 1 Remove the Air guide L by loosening 2 screws after removing the Inlet grille from the Indoor unit 2 Connect the wires to the terminals on the control board individually according to the outdoor unit connection Ensure that the color of the wires of outdoor unit and t...

Page 25: ...the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to it that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 6 Confirm the cable thickness which is specified as t...

Page 26: ...dditional drain hose the end of the drain outlet should keep distance from the ground Do not dip it into water and fix it on the wall to avoid swinging in the wind 2 Tape the Pipings drain hose and Connecting Cable from bottom to top 3 Form the pipings gathered by taping along the exterior wall and fix it onto the wall by saddle or equivalent 2 Tape the Pipings and Connecting cable from bottom to ...

Page 27: ...rt with charge hoses Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reached 150 P S I G Next test for leaks with liquid soap Apply a soap water or a liquid neutral detergent on the indoor unit connection or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping Do a leak test ...

Page 28: ...ed 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 caps at both gas and liquid side service valves and fasten them tight This completes air purging with a ...

Page 29: ...ide the cover according to the arrow direction Insert the two batteries Two R03 or AAA dry cell batteries or equivalent Be sure that the and directions are correct Be sure that both batteries are new Re attach the cover Slide it back into position 3 Operate the unit for fifteen minutes or more 2 Evaluation of the performance 1 Measure the temperature of the intake and discharge air 2 Ensure the di...

Page 30: ...ide line in the seaside installation please contact LG Electronics for the additional anticorrosion treatment 2 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water Selecting the location Outdoor Unit 1 If the outdoor unit is to be installed close to the seaside direct exposure to the sea wind should be avoided Install the outdoor unit on t...

Page 31: ...P No MFL62047401 After reading this manual keep it in a place easily accessible to the user for future reference Printed in Korea ...

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