LG LB-R0551QC Owner'S Manual Download Page 49

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3 CORE

5 CORE

SPECIFICATION

NORMAL CROSS-SECTIONAL

AREA

1.5 mm

1.0 mm

3.5 mm

3,4 & 5

1,2 & 6

7,8,9,10 & 11

WIRE NO.

OUTDOOR

INDOOR

3Ø415 V

POWER SUPPLY

4
2

PHASE

NEUTRAL

COMP

HP/LP

GND

GND IN

PHASE IN ( B )

NEUTRAL IN

In door & Out door connection detail

T erminal No.

PHASE IN ( Y

)

PHASE IN ( R )

OUTDOOR WIRING DIAGRAM

3
2

COMP .

RD7

L3A2

MAGNETIC

CONTACTOR

MONITORING

RELAY

TB1

BLACK

MOTOR

YELLOW

ORANGE

BLACK

CAPACITOR

TB2

SWITCH

415V

POWER SUPPLY

TERMINAL A

TERMINAL B

TO INDOOR

,230V)

FROM

INDOOR

(SIGNAL)

INDOOR

L2L1

FROM

INDOOR

(HP/LP)

GN/YL

RED

BLACK

GREEN/YELLOW

BLUE

YELLOW

ORANGE

WHITE

BROWN

GREEN

INDOOR WIRING DIAGRAM

DRY

CONTACT

CN-CC

CN-ROOM

WIRED REMOTE

CONTROLLER

CN-REMO

CN-PTC

MAIN PCB ASSEMBLY

TO OUTDOOR UNIT

1(L)

2(N)

CN-POWER

FUSE 250V

10A

RY-D/PUMP

CN-D/PUMP

DRAIN

PUMP

CN-MOTOR1

LOW

MED

INDOOR

MOTOR

GN/YL

CN-OUT

COMP3 COMP2 COMP1

CN-OPTION

OPTION PCB

ASSEMBL

CN-ZONE

CN-FL

CN-H/P1

CN-L/P1

CN-N

CN-L

SUB PCB ASSEMBLY

CN-ZONE

CN-PIPE

TO OUTDOOR

(SIGNAL) (HP/LP)

CN-TAB

GN/YL

RDBL

PHASE

NEUTRAL

COMP

HP/LP

GND

Indoor Motor Connection Detail

MODEL

LB-G0307QC/3 TON

LB-E0422QC/4 TON

LB-E0552QC/5.5 TON

WIRE COLOR FOR SPEED

COMMON

HI SPEED

MEDIUM SPEED

LOW SPEED

MEETING HOUSING

Wiring Diagram

Unit : 51K / 66K BTU/H

EBY43304421

Summary of Contents for LB-R0551QC

Page 1: ...roper use PRECAUTIONS Pay close attention to precautions in order to prevent potential hazards and damage from misuse or improper installation LG is not responsible for any damages caused by misuse of the product LG Ceiling Duct Type Air Conditioner OWNER S MANUAL LG LG Electronics India Pvt Ltd Regd Office A 27 Mohan Cooperative Industrial Estate Mathura Road New Delhi 1 10044 www lg com MFL37347...

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Page 3: ...ting 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 pl...

Page 4: ...elf Improper installation will cause water leakage electrical shock or fire Please consult authorized dealer or specialist for the installation work Please note fault caused by improper installation is not covered by warranty Unit must be installed in an easily accessible area Any additional cost required to hire a special equipment to service the unit will be the responsibility of the customer Th...

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Page 10: ...e WIRELESS REMOTE CONTROLLER RECEIVER Optional feature some functions may not work from wireless remote AIRFLOW BUTTON Optional feature used to select the wind direction SUB FUNCTION BUTTON Used to select the sub function FUNCTION SETTING BUTTON Used to select the add on function VENTILATION BUTTON Used to on off the ventilation RESERVATION Used to set on timer off timer holiday weekly programming...

Page 11: ...d 02 Low 5 Ceiling Height 05 03 High 04 Very High 01 V H 02 F H 6 Static Pressure 06 03 V L 04 F L 7 Master Setting 07 00 Slave 01 Master 8 Override Setting 08 00 Slave 01 Master 9 Dry Contact 09 00 Auto Off 01 Auto On 10 Release 3 Min 10 01 Set Delay 11 Zone State 11 01 Variable 02 Fixed 12 Celsius 12 00 Celsius Optimized only for U S A Fahrenheit Switching 01 Fahrenheit 13 Zone Type 13 00 Zone C...

Page 12: ... the indoor 1 Press button to select Cooling operation mode 2 Adjust the desired temperature by pressing buttons Press button to check the Room temperature 3 Owner s instruction Setting Temp Range 18 C 30 C 64 F 86 F It cools the room by comfortable and clean air ...

Page 13: ...to select Heating mode To check the indoor temperature press the room temperature button 2 Adjust the desired temperature by pressing buttons When setting the desired temperature lower than room temperature there is only ventilation wind 3 What is Power Cooling Desired temperature Po actually 18 C Wind flow power wind Wind direction fix to air cooling position Partial product has no power air cool...

Page 14: ...fulness of humidity removal drive is low 3 Press button to turn on the indoor 1 Press button to select Fan Mode 2 Every time pressing button you can select in order of low medium high 3 Standard Operation Fan Mode This mode dehumidification without overcooling It blows the air as it is in the indoor not the cold wind In rainy season or high humidity climate it is possible to operate simultaneously...

Page 15: ...and heating model 3 For the case of cooling exclusive as the picture on the right you can adjust the temperature from hot to cold from 2 to 2 based on 00 4 When cold When cool When appropriate When warm When hot Standard Operation Auto Operation Mode During operating Auto Operation mode We can use the FAN SPEED button We can change manually to other operation mode ...

Page 16: ...se the desired temperature 1 Whenever press button the room temperature will be displayed within 5 seconds After 5 seconds it turns to display the desired temperature Because of location of remote controller the real room temperature and the this displayed value can be different 1 Temperature Setting Room Temperature Check For air cooling drive from 18 C to 30 C and for heating drive from 16 C to ...

Page 17: ...ssing button To cancel power saving function you move to power saving menu by pressing button and then if pressing button power saving icon disappears and the function is cancelled 2 Press button to exit After setup it automatically gets out of setup mode if there is no button input for 25 seconds When exiting without pressing set button the manipulated value is not reflected 3 Power saving functi...

Page 18: ...it automatically gets out of setup mode if there is no button input for 25 seconds When exiting without pressing set button the manipulated value is not reflected 4 This function is to clear the indicator of indoor filter cleaning Function setting Filter Sign Clear Press button repeatedly until the is flashing 1 When the is flashing press the to clear this display 2 When filter is covered by dust ...

Page 19: ...s at current time indication area Ex Changing Current Time as Monday AM 10 20 1 Press key to adjust the current day 2 Press key to move to AM PM setting mode the AM PM segment will flash 3 Setting AM PM value by pressing button 4 Press button to move to Hour setting mode the Hour segment will flash 5 Setting Hour value by pressing button 6 This Procedure sets the current time and day of the week ...

Page 20: ...inute value by pressing button 8 Press button to finish 9 In the process press button to release and exit from setting mode In case of exit with incomplete information it will return to the previous setting When exiting without pressing set button the manipulated value is not reflected 10 ...

Page 21: ...of setup mode if there is no button input for 25 seconds When exiting without pressing set button the manipulated value is not reflected 4 You can set the reservation conveniently in the units of 1 hour from 1 hour to 7 hours When simple reservation setup product automatically runs or stops after the time that is set ON Timer is available when unit is off OFF Timer is available when unit is off It...

Page 22: ...rvation is setup sleep indication shows up at the lower part of LCD screen 5 If finishing sleep reservation setup air conditioner product operates sleep drive and stops after the time that is set 6 Sleep reservation is the function of air conditioner to run and stop after certain period of time at sleep mode before sleep Please reserve proper time at sleeping Too much air cooling is not good for y...

Page 23: ...2 Press button to adjust AM PM setting 3 Press button to Hour setting mode When the Hour icon flash please setting time The setting range is within 1 12 4 Press button to shift to Minute setting mode When the Minute icon flash please setting minute the setting range is within 00 59 5 Press button to finish setting 6 Automatically turned On at reserved time that you set ...

Page 24: ...put for 25 seconds When exiting without pressing set button the manipulated value is not reflected If reservation is set turned on indication shows up at the lower part of LCD screen and air conditioner product runs at the time that is set If reservation is cancelled turned on indication disappears 7 ...

Page 25: ...Press button to adjust AM PM setting 3 Press button to shift to Hour setting mode When the Hour icon flash please setting time The setting range is within 1 12 4 Press button to shift to Minute setting mode When the Minute icon flash please setting minute the setting range is within 00 59 5 Press button to finish setting 6 Automatically turned Off at reserved time that you set ...

Page 26: ...ut for 25 seconds When exiting without pressing set button the manipulated value is not reflected If reservation is set turned off indication shows up at the lower part of LCD screen and air conditioner product runs at the time that is set If reservation is cancelled turned off indication disappears 7 ...

Page 27: ... two reservations weekly reservation 1 and weekly reservation 2 for a day 3 Please move to date setup part by using button If date indication blinks please setup date You can setup date from Monday to Sunday 4 Please move to AM PM setup part of turning on by using button 5 Please move to hour setup part of turning on by using button It is the part to setup the time at which air conditioner is turn...

Page 28: ...ning on time 11 If finishing weekly reservation setup please press setup cancellation button Weekly reservation setup for the day that you set is finished 12 If you setup with the method identical with above by selecting the day that you d like to setup it operates weekly reservation If you setup both turning on reservation time and turning off reservation time identically it doesn t operate reser...

Page 29: ...liday by using or button For example when you setup Monday Friday to holiday Monday Friday letter disappears 4 Please press button if finishing holiday setup If it comes to set holiday air conditioner automatically stops Once you setup holiday appointment until before you cancel holiday setup air conditioner automatically stops within one hour even though you run air conditioner 5 This function au...

Page 30: ... 6 Pressing button will exit settings mode After setup it automatically gets out of setup mode if there is no button input for 25 seconds When exiting without pressing set button the indoor unit address will not set 7 If entering into address setup mode by using button it indicates as picture below 2 If pressing button long for 3 seconds it enters into remote controller setter setup mode If pressi...

Page 31: ...nked a indoor unit 1 2 Press button to change Converting comp value 1 3 Press button to complete and active the setting process 3 Press button to exit or system will automatically release without any input after 25 seconds When exiting without pressing set button the manipulated value is not reflected 4 Icon ON Repeat Pressing Button until Icon and ...

Page 32: ...ET Manual power reset Manual power reset Error Diagnosis Sr No ERROR CODE DIAGNOSIS 1 2 3 4 5 6 7 CH 01 CH 02 CH 06 CH 12 CH 09 CH 04 CH 14 Check room thermistor Check pipe thermistor CN Pipe In Check pipe thermistor CN Pipe Out Check pipe thermistor CN Pipe Med Check Option PCB EPROM Check float sensor Jumper Check Sub PCB DESCRIPTION Recover after 5 seconds of operation when respective thermisto...

Page 33: ...ation Mode When the room temperature is higher than the set temperature it operates in cooling mode at the set temperature the set fan speed and then it will be in automatically turn off when the room temperature reaches the set temperature 0 5 C Helpful information Airflow speed and cooling capacity The cooling capacity indicated in the specification is the value when the fan speed is set to high...

Page 34: ...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 should be checked and cleaned once every 2 weeks or more often if necessary 1 2 3 Slope 5 8 mm q Never use any of the followings Water hotter than 40 C Could cause deformation and or discoloration Volatile substances Could ...

Page 35: ...duce the operating efficiency of the system and cause higher operating costs AIR OUTLET VENTS AIR FILTER REMOTE CONTROLLER AIR INTAKE VENTS CONTROL BOX H W D Side Rear Air outlet vents Air intake vents Connecting Wire Connection Pipe Drain Hose Control Cover H D W H D W Indoor Unit Outdoor Unit For 198K 264K Units Dimension Capacity Indoor Unit mm 66K BTU H 1230 Outdoor Unit mm W D H W D H 590 380...

Page 36: ...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 37: ...thered by taping along the exterior wall and fix it onto the wall by saddle or equivalent 1 Tape the Pipings and Connecting cable from bottom to top 2 Form the pipings gathered by taping along the exterior wall and make the trap prevent water from entering into the room 3 Fix the pipings onto the wall by saddle or equivalent 32 In case of the Outdoor unit being installed below position of the Indo...

Page 38: ... 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 specified in the power sources specificat...

Page 39: ...ly If the supply cord is damaged it must be replaced by a special cord or assembly availible from the manufacturer of its service agent The connecting cable connected to the indoor and outdoor unit should be with the following specifications Y L 2 36K 60K NORMAL CROSS SECTIONAL AREA Capacity The power cord connected to the outdoor unit should be with the following specifications 2 0 m m G N NORMAL...

Page 40: ...PHASE IN Y PHASE IN R BODY OF CONTROL BOX BODY OF CONTROL BOX COMP B PHASE B COMP B PHASE Y COMP B PHASE R 22 COMP 2 PHASE B B Y R 21 20 COMP 2 PHASE Y COMP 2 PHASE R ODM1 PHASE ODM1 NEUTRAL 8 ODM1 PHASE L L N GR 9 ODM1 NEUTRAL N EARTH GR ODM2 PHASE ODM2 NEUTRAL 10 ODM2 PHASE L L N GR 11 ODM2 NEUTRAL N EARTH GR L2 L1 3ø MONITORING RELAY 15 5 6 7 R Y B N IDM N N TP TP LP1 HP1 LP2 HP2 IDM COMP1 COMP...

Page 41: ...OF CONTROL BOX 24 23 22 21 20 B Y R COMP 3 PHASE Y COMP 3 PHASE R COMP 2 PHASE B COMP 2 PHASE Y COMP 2 PHASE R COMP A PHASE B COMP A PHASE Y COMP A PHASE R 19 COMP 1 PHASE B B Y R 18 17 COMP 1 PHASE Y COMP 1 PHASE R ODM1 PHASE ODM1 NEUTRAL 8 ODM1 PHASE L L N GR 9 ODM1 NEUTRAL N EARTH GR ODM2 PHASE ODM2 NEUTRAL 10 ODM2 PHASE L L N GR 11 ODM2 NEUTRAL N EARTH GR ODM3 PHASE ODM3 NEUTRAL 12 ODM3 PHASE ...

Page 42: ...PECIFICATION NORMAL CROSS SECTIONAL AREA 1 5 mm 1 0 mm 10 mm 2 2 2 10 11 12 7 8 9 1 2 3 4 5 WIRE NO OUTDOOR INDOOR 3Ø415 V POWER SUPPLY 3 5 6 4 1 2 7 8 3 5 GND IN PHASE IN B NEUTRAL IN PHASE NEUTRAL NC In door Out door connection detail Terminal No 1 2 PHASE IN Y PHASE IN R 11 9 10 12 LP1 HP1 LP1 HP1 4 IN door motor LP1 HP1 LP1 HP1 6 PHASE NEUTRAL 7 8 9 10 COMP1 GND TERMINAL A FROM INDOOR TERMINAL...

Page 43: ...CN CC CN ROOM WIRED REMOTE CONTROLLER CN REMO CN PTC MAIN PCB ASSEMBLY LOW HI MED CN OUT COMP3 COMP2 COMP1 CN OPTION OPTION PCB ASSEMBLY C N Z O N E C N F L O A T SUB PCB ASSEMBLY CN ZONE CN PIPE BL RD CN MOTOR1 COMP 1 T1 T2 T3 RD WH BK RD 7 L1 L2 L3 A2 T1 T2 T3 A1 MAGNETIC CONTACTOR 20 RD 20 RD 3 ø MONITORING RELAY 18 15 TB1 BLACK MOTOR MOTOR 1 2 C S R C S R YELLOW YELLOW ORANGE ORANGE BLACK CAPA...

Page 44: ... 2 W WH COMP 1 BK V W U RD Magnetic Contactor L1 L2 Magnetic Contactor L1 L2 A L3 B L3 RD U RD T3 11 11 BK 9 T1 BL 8 YL T2 YL T2 BL T1 RD T3 7 Magnetic Contactor 1 Magnetic Contactor 2 A1 A2 GN YL INDOOR WIRING DIAGRAM 3 ø MONITORING RELAY BK RD 11 7 LP HP1 LP HP1 LP HP2 LP HP2 LP 2 HP 2 30 38 RD BK COMP2 6 BK GND DRY CONTACT CN CC CN ROOM WIRED REMOTE CONTROLLER CN REMO CN PTC MAIN PCB ASSEMBLY T...

Page 45: ... 3 CORE 5 CORE SPECIFICATION NORMAL CROSS SECTIONAL AREA 1 5 mm 1 0 mm 6 0 mm 2 2 2 3 4 5 1 2 6 7 8 9 10 11 WIRE NO OUTDOOR WIRING DIAGRAM COMP L1 L2 L3 RD WH BK RD 7 L1 L2 L3 A2 T1 T2 T3 A1 MAGNETIC CONTACTOR 20 RD 20 RD 3 ø MONITORING RELAY 18 15 TB1 BLACK MOTOR MOTOR 1 2 C S R C S R YELLOW YELLOW ORANGE ORANGE BLACK CAPACITOR 1 CAPACITOR 2 BK 11 BK 11 TB2 BK 9 L3 BL YL RD 6 5 4 RD 1 2 3 8 YL BL...

Page 46: ...3 RD U RD T3 11 11 BK 9 T1 BL 8 YL T2 YL T2 BL T1 RD T3 7 Magnetic Contactor 1 Magnetic Contactor 2 A1 A2 GN YL 3 ø MONITORING RELAY To Indoor TERMINAL D LP 2 HP 2 30 38 BK GND DRY CONTACT CN CC CN ROOM WIRED REMOTE CONTROLLER CN REMO CN PTC MAIN PCB ASSEMBLY TO OUTDOOR UNIT 1 L 2 N 3 4 5 6 10A CN D PUMP BL BL DRAIN PUMP LOW HI MED CN OUT COMP3 COMP2 COMP1 CN OPTION OPTION PCB ASSEMBLY C N Z O N E...

Page 47: ...m 2 2 2 3 4 5 1 2 6 7 8 9 10 11 WIRE NO COMP L1 L2 L3 RD WH BK RD 7 L1 L2 L3 A2 T1 T2 T3 A1 MAGNETIC CONTACTOR 20 RD 20 RD 3 MONITORING RELAY ø 18 15 TB1 BLACK MOTOR MOTOR 1 2 C S R C S R YELLOW YELLOW ORANGE ORANGE BLACK CAPACITOR 1 CAPACITOR 2 BK 11 BK 11 TB2 BK 9 L3 BL YL RD 6 5 4 RD 1 2 3 8 YL BL BK RD 34 RD 34 7 8 9 10 11 12 RD 35 RD YL BL BK GN HP SWITCH LP SWITCH 3 415V POWER SUPPL Y ø TERM...

Page 48: ...1 L3 2 L3 RD U RD T3 11 11 BK 9 T1 BL 8 YL T2 YL T2 BL T1 RD T3 7 Magnetic Contactor 1 Magnetic Contactor 2 A1 A2 GN YL 3 ø MONITORING RELAY To Indoor TERMINAL C LP 1 14 13 38 30 HP 1 17 18 16 15 LP 2 HP 2 30 38 BK GND BLACK MOTOR MOTOR 1 2 C S R C S YELLOW YELLOW ORANGE ORANGE BLACK CAPACITOR 1 CAPACITOR 2 BK 11 BK 11 1 2 BK 9 7 BR 7 BR R 3 4 DRY CONTACT CN CC CN ROOM WIRED REMOTE CONTROLLER CN R...

Page 49: ...4 5 6 L N G TERMINAL B TO INDOOR 1 ø 230V FROM INDOOR SIGNAL TO INDOOR L2 L1 RD 7 FROM INDOOR HP LP GN YL RD BK BL YL OR RED BLACK GREEN YELLOW BLUE YELLOW ORANGE WH BR GN WHITE BROWN GREEN INDOOR WIRING DIAGRAM DRY CONTACT CN CC CN ROOM WIRED REMOTE CONTROLLER CN REMO CN PTC MAIN PCB ASSEMBLY TO OUTDOOR UNIT 1 L 2 N 3 4 5 6 CN POWER FUSE 250V 10A RY D PUMP CN D PUMP BL BL DRAIN PUMP CN MOTOR1 LOW...

Page 50: ...CN D PUMP BL BL DRAIN PUMP CN MOTOR1 LOW HI MED INDOOR MOTOR GN YL YL BR CN OUT COMP3 COMP2 COMP1 CN OPTION OPTION PCB ASSEMBLY C N Z O N E C N F L O A T CN H P1 CN L P1 CN N CN L SUB PCB ASSEMBLY CN ZONE GN YL RD BK BL YL OR RED BLACK GREEN YELLOW BLUE YELLOW ORANGE WH BR GN WHITE BROWN GREEN CN PIPE TO OUTDOOR SIGNAL HP LP BR BL RD BK RD OR CN TAB BR BR BL BL GN YL RD RD RD BL BK INDOOR WIRING D...

Page 51: ...wrench Outdoor unit Gas side piping Bigger Dia Liquid side piping Smaller Dia 1 Connecting the pipes to the Outdoor unit 1 Align the center of the pipingsand sufficientlytighten the flare nut with fingers 2 Finally tightenthe flare nut with torque wrenchuntilthe wrenchclicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Pipe si...

Page 52: ...azing 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 R efrigerant pipin...

Page 53: ...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 Ð Compare the flared work with figure If flare is noted to be ...

Page 54: ... by 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 INDOOR UNIT Remove the control box cover for electrical connection between the indoor and outdoor unit Remove crews Use the cord clamper to fix the cord WIRING CONNECTION OUTDOOR UNIT Remove the co...

Page 55: ...re the unit shall be leveled and that can support the weight of unit and withstand its vibrations Keep a maintenance space Above 100Cm Above 100Cm Outdoor unit Above 50Cm Above 50Cm Face of wall Braze the joints Perform air purge with R 22 or vacuum drying When piping work is finished check all joints n Add refrigerant if piping is over 7 5m U trap is to be provided for every 5 mtr increase in the...

Page 56: ...board and remote controller side CN REMO The maximum length of the cord is 100m Remote controller 2 If the length of the cord exceeds 50m use a wire size greater than 0 5mm CN REMO Remote control Lever carefully box body the box open using a screw driver etc Front case T h e l o w e r p a r t Face of wall Upper notch Upper flange Under plate Remote control cord Remote control unit Tapping screw Lo...

Page 57: ...12 For every 5 mitrs increase in vertical length of the piping U Trap is to be provided ...

Page 58: ...good l Drain Is the drainage smoothly and no sweating l Gas leakage Is the piping connection correctly l Wir ing Is the wiring connection correctly THERMAL INSULATION TEST AND CHECK 5 7mm Indoor Outdoor WALL Gas Side l No insulation o f li Gas pipe Local supply Thermal insulator for refrigerant pipe Local Supply Hose crip for thermal insulator insulator Local supply Refrigerant pipe and thermal Li...

Page 59: ...ation 1 50 to 1 100 Prevent any upward flow or reverse flow in any part 5mm or thicker formed thermal insulator shall always be provided for the drain pipe Install the P Trap or U Trap to prevent a water leakage caused by the blocking of intake air filter Applied U Trap Dimension 1 Install declination of the indoor unit is very important for the drain of the duct type air conditioner 2 Minimum thi...

Page 60: ...ts to the set anchor firmly Secure the installation plates onto the suspension bolts adjust level roughly using nuts washers and spring washers 1 Set anchor Old building New building 2 Plate washer 3 Spring washer 4 Nut 5 Suspension bolts Local supply Set anchor Plate washer M10 Spring washer M10 Nut W3 8 or M10 Suspension bolt W3 8 or M10 36K 132K M16 M16 M16 M16 198K 264K CAUTION Tighten the nut...

Page 61: ...e hole side as a figure for easy water drainage M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 M10 Nut M10 SP washer M10 washer X 4 X 4 Local supply X 4 Drainage hole A B C D G H I E F 5 8 mm A place where the unit will be leveled and that can support the weight of the unit A place where the unit can withstand its vibration A place where service can be easily performed POSITION OF CONSO...

Page 62: ...e operating efficiency of the system and cause higher operating costs A I R O U T L E T V E N T S AIR F ILTER REMOTE CONTROLLER AIR INT AKE V ENTS CONTROL BOX H W D Side Rear Air outlet vents Air intake vents Connecting Wire Connection Pipe Drain Hose Control Cover H D W H D W Indoor Unit Outdoor Unit For 198K 264K Unit Dimension Capacity Indoor Unit mm 66K BTU H 1230 Outdoor Unit mm W D H W D H 5...

Page 63: ...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 should be checked and cleaned once every 2 weeks or more often if necessary 1 2 3 Slope 5 8 mm q Never use any of the followings Water hotter than 40 C Could cause deformation and or discoloration Volatile subs...

Page 64: ... source or steam near the unit 2 Outdoor unit I f 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 discharged Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 3 Piping length and the elevatio...

Page 65: ...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 66: ...allation Parts Required tools 1 Selection of the best location 4 2 Indoor unit installation 5 Four Type A screws Connecting cable Level Screw driver Electric drill Hole core drill ø70mm 1 Preparation of Piping 15 Pipes Gas side 3 4 5 8 7 8 1 1 8 Liquid side 1 4 1 2 5 8 3 4 Insulated drain hose Insulation materials Flaring Tools set 1 Connecting the pipes to the Outdoor Unit 17 Additional Drain hos...

Page 67: ......

Page 68: ...ormed in accordance with national wiring standards by authorized personnel only Air filters Air outlet vents Air intake vents Remote Controller Side Rear Air intake vents Air outlet vents Control Cover Connecting Wire Connection Pipe Drain Hose Indoor Unit Outdoor Unit Side Rear Air intake vents Air outlet vents Piping Drain hose Connecting wire Control cover LG Electronics India Pvt Ltd Regd Offi...

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