LG JB-Q18GB2A0 Owner'S Manual Download Page 17 | Manualshive

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Timer

Error Diagnosis

Sr.
No.

ERROR CODE

DIAGNOSIS

1

2

3

4

5

CH-01

CH-02

CH-05

CH-04

Check room thermistor

Check pipe thermistor (CN-Pipe/In)

Check Option PCB (EPROM)

Check float sensor / Jumper

DESCRIPTION

Recover after 5 seconds of operation when respective
thermistor healthy

Recover after 3 seconds of operation when respective
thermistor healthy

Check Interconnection of Option PCB and Power Reset

Recover after 4 minutes of operation when float sensor /
Jumper healthy

CH-09

Check Dipswitch setting and Power Reset

Check Dipswitch comm (Yes/No)

17

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19
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Summary of Contents for JB-Q18GB2A0

Page 1: ...a 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 CALL CENTER AIR CONDITIONER TYPE LOW STATIC HIDE AWAY TYPE AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference For single duct low static models ...

Page 2: ...tips 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 wi...

Page 3: ...alified 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 ...

Page 4: ...oom with high humidity 80 r h or more for a long time water condensed in the air conditioner may drop and may wet 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 dete...

Page 5: ...Wide LCD Wired Remote Controller Optional 5 ...

Page 6: ...ER SIGN Lights up after 240 hours from the time of first power on operation 1 2 3 4 COMP ON OFF Lights up during outdoor operation i e when compressor Lights up during system operation 5 6 Part Function Before After SW LED Error Display Operation LED 1st digit error Error Clean filter LED 10th digit error Error ReservationLED 100th digit error Error Comp LED LED OFF Display flash control Errordisp...

Page 7: ...B Remote Control Preparation Outdoor Unit Air Intake side rear Connecting Wire Drain Hose Power Wire Connection Tube Air Outlet Vents Cooling model Low static Type Air Conditioner for cooling 7 ...

Page 8: ...Cooling Mode Dehumidification mode Operation Mode Fan Mode Auto Operation Mode C Remote Control Operations 8 ...

Page 9: ...Installer Setting How to enter installer setting mode 9 ...

Page 10: ...Installer Setting Installer Setting Code Table 10 ...

Page 11: ...Installer Setting Setting Address of Central Control 11 ...

Page 12: ...Cooling Mode 12 ...

Page 13: ...Auto Operation Mode 13 ...

Page 14: ...Dehumidification Mode 14 ...

Page 15: ...Fan Mode 15 ...

Page 16: ...Temperature Setting Room Temperature Checking 16 ...

Page 17: ...at sensor Jumper DESCRIPTION Recover after 5 seconds of operation when respective thermistor healthy Recover after 3 seconds of operation when respective thermistor healthy Check Interconnection of Option PCB and Power Reset Recover after 4 minutes of operation when float sensor Jumper healthy CH 09 Check Dipswitch setting and Power Reset Check Dipswitch comm Yes No 17 ...

Page 18: ...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 19: ...r Unit Outdoor Unit Side Rear Air outlet vents Air intake vents Connecting Wir Connection Pip Drain Hose Control Cover H D W W H D L2 L1 e e Rear Side Air outlet vents Air intake vents L1 L2 Connecting Wire Connection Pipe Drain Hose Control Cover Model Capacity Indoor dimension Outdoor Dimnesion W D H W D H L1 L2 LB B2156QC LB B2156QC2 1 5TR 1180 575 190 800 260 555 590 305 LB B2206QC LB B2206QC2...

Page 20: ...ng 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...

Page 21: ...r been 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 ...

Page 22: ...oduct in exposed area 3 Any disposal through unauthorized agencies person will attract action under Environment Protection Act 1986 4 Hazards of improper handling or accidental breakage a If batteries are disposed incorrectly it can greatly harm the environment The chemical by products are hazardousT he metals and chemicals found in batteries can mix into soil which may be hazardous to humans plan...

Page 23: ......

Page 24: ...27 Installer Setting Setting Address of Central Control ...

Page 25: ...26 Installer Setting Installer Setting Code Table ...

Page 26: ...Installer Setting How to enter installer setting mode 25 ...

Page 27: ...C Remote Control Operations 24 Cooling Mode Dehumidification mode Operation Mode Fan Mode Auto Operation Mode ...

Page 28: ...B Remote Control Preparation 23 Outdoor Unit Air Intake side rear Connecting Wire Drain Hose Power Wire Connection Tube Air Outlet Vents Cooling model Low static Type Air Conditioner for cooling ...

Page 29: ...IGN Lights up after 240 hours from the time of first power on operation 1 2 3 4 COMP ON OFF Lights up during outdoor operation i e when compressor Lights up during system operation 5 6 Part Function Before After SW LED Error Display Operation LED 1 st digit error Error Clean filter LED 10 th digit error Error Reservation LED 100 th digit error Error Comp LED LED OFF Display flash control Errordisp...

Page 30: ...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 31: ...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 32: ...ring 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 sp...

Page 33: ...cations CAUTION 2 0 m m G N Y L NORMAL CROSS SECTIONAL AREA 0 75mm 2 18 24K 2 0 m m G N D Capacity 18 24 K BTU h 1 Phase 2 5mm 2 NORMAL CROSS SECTIONAL AREA Make sure that the screws of the terminal are free from looseness WARNING 18 24K BTU h Applied Model LB B2156QC LB B2156QC2 LB B2206QC LB B2206QC2 JB Q24GB2A0 JB Q18GB2A0 1 Input 1 phase power supply into outdoor wire specification 1 2 GND L N...

Page 34: ...2 Gas Charge Model TO INDOOR INPUT MAINS SUPPLY 1ø 230V L N E L N S 1 L 4 5 6 RD BK 0 1 2 6 4 8 Power Relay BK RD YL WH T B Out Motor GR BL COMP RD C S R BK RD H F C 3854A20298U OUTDOOR WIRING DIAGRAM FROM INDOOR RD GR YL BK BK BR 2 N 17 NOTE Connect IR PCB Assy at CN DISP of PCB Assy Model JB Q24GB2A0 JB Q18GB2A0 Model JB Q24GB2A0 JB Q18GB2A0 R 410A Gas Charge Model EBY61848204 MEZ65795005 ...

Page 35: ...r 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 Model Capacity 1 Phase LB B2156QC LB B2156QC2 25 LB B2206QC LB B2206QC2 25 JB Q24GB2A0 25 JB Q18GB2A0 25 1 5 TR 2 T...

Page 36: ...nsor cable is connected as factory default Fixate the IR Remote Sensor cable to the guide slot Use the screws for fixate the unit firmly on the wall Installation board Front side of installation board Rear side of installation board Bottom Wall Side Wall Side Wall Side Wall Side Wall Side Do not install the cable to be 10m or above It can cause communication error When installing the extension cab...

Page 37: ...e 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 remote sensor ...

Page 38: ...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 39: ...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 40: ...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 R 22 15g m 2 TR 5 8 1 4 7 5 30 5 15 R 22 20g m LB B2156QC LB B2156QC2 LB B2206QC LB B2206QC2 Length A meter Model Additional Gas Charge Pi...

Page 41: ...Unit Indoor Unit Outdoor Unit Side Rear Air outlet vents Air intake vents Connecting Wire Connection Pipe Drain Hose Control Cover H D W W H D L 2 L 1 Rear Side Air outlet vents Air intake vents L 1 L 2 Connecting Wire Connection Pipe Drain Hose Control Cover Model Capacity Indoor dimension Outdoor Dimnesion W D H W D H L1 L2 LB B2156QC LB B2156QC2 1 5TR 1180 575 190 800 260 555 590 305 LB B2206QC...

Page 42: ...and 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 ...

Page 43: ...lation good Drain 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 in...

Page 44: ... 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 45: ...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 46: ... 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 suspension bolts on the ceiling Mount the suspension bolts to the set anchor firmly Secure the installation plates o...

Page 47: ...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 48: ...its securely and attach the wires firmly to the terminal board connecting sections so the stress of the wires 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 sh...

Page 49: ...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 50: ...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 CALL CENTER AIR CONDITIONER TYPE LOW STATIC HIDE AWAY TYPE AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference For single duct low static models INSTALLATION MANUAL ...

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