LG JBNQ18GB2A1 Owner'S Manual Download Page 43

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• Lo

w static duct type in case of suction from back

side.

• Lo

w static duct type in case of suction from bottom

side.

Air Filter

Air outlet

Panel Rear

Air outlet

Air Filter

Panel Rear

C).Filter conver

tible option.

CAUTION

Ceiling

Drain Pump use

Drainage hole

Front of vie

Install declination

of the indoor unit is ver

important f

or the drain

of the duct type air conditioner.

2. Minim

um thickness of the insulation f

or the connecting pipe shall be 19mm.

• The unit m

ust be horiz

ontal or declined to the drain hose connected when finished

installation.

Summary of Contents for JBNQ18GB2A1

Page 1: ...r Single LO Static duct models 1800 180 3575 Toll Free 9 00 AM 9 00 PM www lg com in support cac service lgepartner com CALL CLICK Regd Ofﬁce LG Electronics India Pvt Ltd A Wing 3rd Floor D 3 District Center Saket New Delhi 110017 To know more about LG visit www lg com For Corporate Instutional enquiries please write to enquiries lgindia com CUSTOMER CARE 12 x 7 AIR CONDITIONER ...

Page 2: ...ps If you review our chart of Troubleshooting Tips first you may not need to call for service at all Contact the authorized service technician for repair or maintenance of this unit Contact the installer for installation of this unit The air conditioner is not intended for use by young children or invalids without supervision Young children should be supervised to ensure that they do not play with...

Page 3: ...ified person in order to avoid a hazard Do not operate switches with wet hands It may cause electrical shock Plug in the power plug properly Otherwise it will cause electrical shock or fire due to heat generation Do not operate or stop the unit by inserting or pulling out the power plug It will cause electrical shock or fire due to heat generation Do not insert your finger or stick etc into the ai...

Page 4: ...et and spoil furniture etc Do not step onto an unstable bench when attaching detaching the panel l It may case an injury etc by falling down Do not use for special purposes l Do not use this air conditioner to preserve precision devices food animal plants and art objects It may cause deterioration of quality etc If the supply cord is damaged it must be replaced by a special cord or assembly availa...

Page 5: ...erature is 18 C and the Wind strength is high 1 Emergency Operation button Turns the indoor unit on or off even when remote control is not working 2 Signal Detector Receives the signal from remote control 3 Timer lamp Green Lights up during the timer operation 4 Hotstart lamp Orange Available only for the heat pump models not cooling only models 5 System On Off lamp Red Lights up during system con...

Page 6: ...B Remote Control Preparation Outdoor Unit Air Intake side rear Connecting Wire Power Wire Connection Tube Air Outlet Vents Cooling model Low static Type Air Conditioner for cooling 6 ...

Page 7: ...C Remote Control Operations Function not applicable for Lo Static Duct Model INDOOR FAN SPEED SELECTION Button Used to select fan speed in three steps low medium and high 7 ...

Page 8: ...Cooling Mode 8 ...

Page 9: ...Auto Operation Mode 9 ...

Page 10: ...Dehumidification Mode 10 ...

Page 11: ...Fan Mode Set the fan speed again You can select the fan speed in three steps low medium and high Each time the button is pressed the fan speed mode is shifted 11 ...

Page 12: ...Temperature Setting Room Temperature Checking 12 ...

Page 13: ...Timer 13 ...

Page 14: ...r discoloration Volatile substances Could damage the surfaces of the air conditioner Clean the filter with a vacuum or warm soapy water If very dirty wash with a solution of detergent in lukewarm water If hot water 50 C or more is used filter may be deformed After washing with water dry well in the shade Re install the air filter Air Filter The air filters behind Indoor unit the suction side shoul...

Page 15: ...the operating efficiency of the system and cause higher operating costs Outdoor Unit Indoor Unit Outdoor Unit Side Rear Air outlet vents Air intake vents Connecting Wir Connection Pip Control Cover H D W W H D L2 L1 e e Model Capacity Indoor dimension Outdoor Dimension W D H W D H L1 L2 JB Q18GB2A0 1 5TR 1180 575 190 800 260 555 590 305 JB Q24GB2A0 2 0TR 1180 575 190 800 260 555 590 305 15 1 5TR 1...

Page 16: ...to be used for a long time Dirt may collect and may cause a fire n Check that the air inlet and outlet of the indoor outdoor unit are not blocked Do not overcool the room This is not good for the health and wastes electricity Keep blinds or curtains closed Do not let direct sunshine enter the room when the air conditioner is in operation Make sure that the doors and windows are shut tight Avoid op...

Page 17: ...Self diagnosis Function 17 ...

Page 18: ...onds of operation when respective thermistor healthy Check DIP Switch setting and Power Reset Check wired remote cable for cut loose contact CH 05 Recover after 4 minutes of operation when float sensor Jumper healthy Check float sensor Jumper 6 Check pipe thermistor CB Pipe Out Recover after 3 seconds of operation when respective thermistor healthy CH 06 7 Check Option PCB EPROM Check Interconnect...

Page 19: ...een tripped l Check that this is not a damp smell exuded by the walls carpet furniture or cloth items in the room l Condensation occurs when the airflow from the air conditioner cools the warm room air l This is the protector of the mechanism l Wait about three minutes and operation will begin l Is the air filter dirty See air filter cleaning instructions l The room may have been very hot when the...

Page 20: ...Wide LCD Wired Remote Controller Optional 20 ...

Page 21: ......

Page 22: ...27 Installer Setting Setting Address of Central Control ...

Page 23: ... E118 1 9 Primary Heater 0 deselect the setting E11A 1 B 1 Setting E119 1 A Ducted internal heater 1 Setting E12A 2 A Cooling fan thermo off control 0 low E12B 2 B 1 off E12C 2 C 2 setting ari flow E12D 2 D Operate Stop blackout compensation 0 set to blackout compensation E12E 2 E 1 set to slave E12F 2 F To setting Dry contact install or not 0 Same as before E14D 4 D 1 Install E14E 4 E 2 Uninstall...

Page 24: ...Installer Setting How to enter installer setting mode 25 ...

Page 25: ...24 C Remote Control Operations Function not applicable for Lo Static Duct Model INDOOR FAN SPEED SELECTION Button Used to select fan speed in three steps low medium and high ...

Page 26: ...B Remote Control Preparation 23 Outdoor Unit Air Intake side rear Connecting Wire Power Wire Connection Tube Air Outlet Vents Cooling model Low static Type Air Conditioner for cooling ...

Page 27: ... the desired temperature is 18 C and the Wind strength is high 1 Emergency Operation button Turns the indoor unit on or off even when remote control is not working 2 Signal Detector Receives the signal from remote control 3 Timer lamp Green Lights up during the timer operation 4 Hotstart lamp Orange Available only for the heat pump models not cooling only models 5 System On Off lamp Red Lights up ...

Page 28: ...d position 2 After connecting the piping check the joints for gas leakage with gas leak detector 3 Remove the service port nut and connect the gauge manifold and the vacuum pump to the service port by the charge hose 4 Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below 76cmHg 5 Remove the valve stem nuts and fully open the stems of the 2 way and 3 way valves...

Page 29: ...o the wall by saddle or equivalent 2 Tape the Pipings and Connecting cable from bottom to top 3 Form the pipings gathered by taping along the exterior wall and make the trap prevent water from entering into the room 4 Fix the pipings onto the wall by saddle or equivalent 20 In case of the Outdoor unit being installed below position of the Indoor unit In case of the Outdoor Unit being installed abo...

Page 30: ...g 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 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 voltage marked on the name plate 7 Confirm that the cable thickness is as speci...

Page 31: ...18 JB Q18GB2A0 JB Q24GB2A0 JB Q18GB2A1 JB Q18GB2A0 JB Q24GB2A0 JB Q18GB2A1 JB Q18GB2A0 JB Q18GB2A1 JB Q24GB2A0 JB Q18GB2A0 JB Q24GB2A0 JB Q18GB2A1 JB Q18GB2A0 JB Q24GB2A0 JB Q18GB2A1 ...

Page 32: ...17 JB Q18GB2A0 JB Q18GB2A1 JB Q24GB2A0 R 410A Gas charge model JB Q18GB2A0 JB Q24GB2A0 R 410A Gas charge model JB Q18GB2A1 R 410A Gas charge model ...

Page 33: ...the air conditioner Use a recognized circuit breaker between the power source and the unit A disconnection device to adequately disconnect all supply lines must be fitted Capacity of circuit breaker Outdoor Indoor Main power source Switch box Circuit Breaker Warranty will be null void if wiring is not as per installation instructions A Circuit Breaker Detail Model Capacity 1 Phase 3 Phase JB Q18GB...

Page 34: ...rom being shown Connect the IR receiver cable to the CN DISPLAY connector of main PCB Assembly Fix the rear side of the installation board with the screw Check the mark Up Down on bottom case inside When dissemble he IR receiver from the bottom case use a driver as shown in the picture and insert it into the hole as in dicated with the arrow mark And when you pull the driver in the front direction...

Page 35: ...l the IR remote sensor about 6 feet above the floor in an area with good air circulation at an average temperature Do not install the IR remote sensor where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Uncontrolled areas such as an outside wall behind the remote controller This IR ...

Page 36: ...razing protect piping against heat with wet cloth to avoid damaging valve packing or burning thermal insulator with burner heat While brazing blow inert gas nitrogen gas or carbonic gas to prevent formation of oxidation film in copper piping otherwise the refrigerant circuit will clog The blowing of nitrogen gas or carbonic gas through 3 way valves is described in the following 8 Refrigerant pipin...

Page 37: ...ing 3 Putting nut on Remove flare 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 4 Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above 5 Check Compare the flared work with figure If flare is noted to b...

Page 38: ... s Capacity is based on standard length and maximu m allowance length is on the basis of reliability Oil trap should be installed every 5 meters If 18K model is installed at a distance of 15m 150g of refrigerant should be added 15 5 x 15g 150g 10cm Gas Liquid standard Max standard Max 1 5 TR 1 2 1 4 7 5 30 5 15 2 0 TR 5 8 3 8 7 5 50 5 30 Length A meter Model Additional Gas Charge Pipi Sizes Dia In...

Page 39: ...ls will reduce the operating efficiency of the system and cause higher operating costs Outdoor Unit Indoor Unit Outdoor Unit Side Rear Air outlet vents Air intake vents Connecting Wire Connection Pipe Control Cover H D W W H D L 2 L 1 Model Capacity Indoor dimension Outdoor Dimension W D H W D H L1 L2 JB Q18GB2A0 1 5TR 1180 575 190 800 260 555 590 305 JB Q24GB2A0 2 0TR 1180 575 190 800 260 555 590...

Page 40: ...nd or discoloration Volatile substances Could damage the surfaces of the air conditioner Clean the filter with a vacuum or warm soapy water If very dirty wash with a solution of detergent in lukewarm water If hot water 50 C or more is used filter may be deformed After washing with water dry well in the shade Re install the air filter Air Filter The air filters behind Indoor unit the suction side s...

Page 41: ...Is the drainage smoothly and no sweating Gas leakage Is the piping connection correctly Wiring Is the wiring connection correctly Lock bolt Is the lock bolt of compressor loosened Insulation Is the unit fully insulated Ground Is the unit safely grounded THERMAL INSULATION TEST AND CHECK Make sure that there is no clearance here Overlap with thermal insulator for piping Thermal insulator for refrig...

Page 42: ... 1 Never fail to have an individual power specialized for the air conditioner As for the method of wiring be guided by the circuit diagram posted on the inside of control box cover 2 Provide a circuit breaker switch between power source and the unit 3 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 duri...

Page 43: ...el Rear C Filter convertible option 6 CAUTION Ceiling Drain Pump use Drainage hole Front of view 1 Install declination of the indoor unit is very important for the drain of the duct type air conditioner 2 Minimum thickness of the insulation for the connecting pipe shall be 19mm The unit must be horizontal or declined to the drain hose connected when finished installation ...

Page 44: ...0 383 575 93 190 21 1065 163 1100 Dimension Capacity Btu h A B C D E F G H I J C E G D A J B I F H Drainage hole Drain Pump use M10 Nut M10 washer X 4 X 4 M10 Nut M10 washer X 4 X 8 CASE 2 POSITION OF CONSOLE BOLT 5 Select and mark the position for fixing bolts Drill the hole for set anchor on the face of ceiling Insert the set anchor and washer onto the suspen sion bolts for locking the suspensio...

Page 45: ...nal relationship between the unit and suspension bolts Installation the ceiling opening to clean the filter or service under the product A Selection of the best location of Indoor Inspection hole 600 x 600 Control box H 20 or more Suitable dimension H is necessary to get a slooe to drain as aiven in the fiaure Side view unit mm 600 600 A Min B Min Ceiling Service Space A B Capacity Btu h A B 18 24...

Page 46: ...s is not applied to the sections Incomplete installation could cause injury due to fire electric shock the unit falling or a leakage of water Consult the dealer from whom you purchased the unit or special installer Incomplete installation could cause a personal injury due to fire electric shock the unit falling or a leakage of water When installed in an insufficient strong place the unit could fal...

Page 47: ...rill ø70mm 1 Preparation of Piping 12 Pipes Gas side Liquid side Insulated drain hose Insulation materials FlaringTools set 1 Connecting the pipes to the Outdoor Unit 14 A Circuit Breaker Detail 16 Screw driver Hexagonal Wrench 4mm 5mm Gas leak Detector 2 4 3 12 14 14 16 Index Page No Selection of best location of indoor 04 Ceiling dimension Hanging blot detail 05 Filter convertible option 06 Drai...

Page 48: ...or future reference after reading it thoroughly For Single LO Static duct models P No MFL62760204_v1 MFL62760204 1800 180 3575 Toll Free 9 00 AM 9 00 PM www lg com in support cac service lgepartner com CALL CLICK Regd Ofﬁce LG Electronics India Pvt Ltd A Wing 3rd Floor D 3 District Center Saket New Delhi 110017 To know more about LG visit www lg com For Corporate Instutional enquiries please write...

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