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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 HV-C186BLA0

Page 1: ...ruction 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 24 Test running 26 Installation guide at the seaside 27 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: ...ctrician 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 Use ...

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: ... unit If an awning is built over 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 p...

Page 6: ...h and maximum allowance length is on the basis of reliability Improper refrigerant charge may result in abnormal cycle Oil trap should be installed every 10 meters CAUTION Model HV C186BLA0 5 8 15 88mm 1 4 6 35mm 7 5 30 5 20 25 HV H186BLA0 5 8 15 88mm 1 4 6 35mm 7 5 30 5 20 30 HV C246BLA0 5 8 15 88mm 1 4 6 35mm 7 5 30 5 20 35 HV H246BLA0 5 8 15 88mm 1 4 6 35mm 7 5 30 5 20 40 Additional refrigerant...

Page 7: ...le 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 Befo...

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: ...oner 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 installation Si...

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: ...osition 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 direction of...

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: ...ping 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 rea...

Page 14: ...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 completed burr removal Not possibe to put them on after flaring wo...

Page 15: ...ach 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 8 340 420 Ø12 7 1 2 550 660 Ø15 88 5 8 630 820 Ø19 05 3 4 990 1 210 Ou...

Page 16: ...e 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 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 Connecting cable Vinyl tape wide Wrap with vinyl tape Indoor unit pi...

Page 17: ...n 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 insulated to the drain outlet Hang the drain hose on the hose ...

Page 18: ... 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 For the Right Bottom Piping Al...

Page 19: ... 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 of indoor unit without any ...

Page 20: ...le 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 than 50mm gap Water leakag...

Page 21: ...n the control board individually according to the outdoor unit connection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively 2 Clamping of cables 1 Arrange the connecting cable on the control panel 2 First fasten the steel clamp with a screw to the inner boss of control panel 3 For the cooling model fix the other side of the cla...

Page 22: ...eck 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 the power source specification P...

Page 23: ...d 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 top 3 Form the pipings gath...

Page 24: ... 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 of all joints of the tubing bot...

Page 25: ...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 vacuum pump The air conditi...

Page 26: ...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 difference between the intake tem...

Page 27: ... 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 the opposite side of the sea wind dir...

Page 28: ...P No MFL63260101 After reading this manual keep it in a place easily accessible to the user for future reference Printed in Thailand ...

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