LG LK-0580AC Manual Download Page 29

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LGE Internal Use Only

LK-1080HH/1080BH

WIRING DIAGRAM

HUMIDIFIER

CANNOT BE USED WHEN

USING THERMOSTAT

ELECTRO-MECHANICAL

TERMINAL

BLOCK

USING ELECTRIC
HEATER(OPTION)

FIRE ALARM

REMOVE JUMP WIRE WHEN
CONNECTING FIRE ALARM
SYSTEM

3ø

4WIRE

380/415V

50Hz

POWER

SUPPLY

3ø

4WIRE

380/

415V

50Hz

POWER

SUPPLY

T
S

3ø

4WIRE

380/415V

50Hz

POWER

SUPPLY

T
S

THERMOSTAT

AC 24V

FAN

TRANS

POWER

HUMID

TERMINAL

BLOCK2

TERMINAL

BLOCK1

TERMINAL

BLOCK

TERMINAL

BLOCK

AC 24V

FAN

COOLING

HEATING

COMP1

COMP2

COMP1
COMP2

COOLING

HEATING

HEATER

HEATER1

HEATER2

HEATER1
HEATER2

EMER.

HEATER

EMER.

HEATER

REMOTE

CONTROLLER

BR
RD

FILLER

TERMINAL 4

FILLER

TERMINAL 3

FILLER

TERMINAL 2

FILLER

TERMINAL 1

CUT AND

REMOVE

ANTICIPATOR

(RESISTOR)

CONNECTING

WIHT CONTACT

IN PARALLEL

REMOVE JUMP

WIRE WHEN

CONNECTING
THERMOSTAT

MECHANICAL
THERMOSTAT

R
X
G
O
B

W2
W1

CN18

CN4

WH FUSE

FUSE

(5A 250V)

RD BK BK

8 4

2 6

4 8

BK WH RD

T1 T2 T3

WER RELA

GNETIC

CONT

CT(A)

GNETIC

CONT

CT(B)

FAN

AC13V

AC24V

MAIN PCB ASM

3854A20029A

COMP(B)

COMP(A)

COMP

OUT

OR
BR

4-WAY(B)

4-WAY(A)

BP(A)
BP(B)

THERMISTOR

OUT(A)

THERMISTOR

IN(A)

THERMISTOR

OUT(B)

THERMISTOR

IN(B)

SOLENOID VALVE

(For B-Cycle)

SOLENOID VALVE

(For B-Cycle)

4-way VALVE

(For B-Cycle)

FIELD WIRING

※

FOR BYPASS BETWEEN D-PIPE ~ COND MIDDLE

※※

FOR BYPASS BETWEEN D-PIPE ~ S-PIPE

NOTE

CAPACITOR

COMP(A)

COMP(B)

CRANKCASE

HEATER

CRANKCASE

HEATER

BK
BR
OR
BL

BLACK
BROWN
ORANGE
BLUE

:
:
:
:

RD
WH
YL

RED
WHITE
YELLOW

:
:
:

FACTORY WIRING

4-way VALVE

(For A-Cycle)

SOLENOID VALVE

(For A-Cycle)

MOTOR

T.P

MOTOR

OUT

T.P

(A)

(B)

CN-THERMOST

FUSE

250V/3.15A

※

※※

THERMISTOR

RETURN AIR

(OPTION)

Summary of Contents for LK-0580AC

Page 1: ...0CC AC LK 0580CC S AC LK 0880HH BH LK 0880BHS1 LK 0880CH AH LK 1080HH BH LK 1080CH AH LK 1580HH BH LK 1580CH AH LK 2080CH AH LK 1580AHS1 CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel Internal Use Only http biz lgservice com ...

Page 2: ...oded View 50 Specification of Components 56 Table of contents L K 0 8 B 0 C H C Convertible H Horizontal Flow D Down Flow C Cooling Only H Heat Pump A Gold Fin Outdoor 1 115 60 1 5 200 220 50 1 8 380 415 50 3 B 220 60 3 2 220 60 1 6 220 240 50 1 9 380 415 60 3 C 440 460 50 3 3 208 230 60 1 7 100 50 60 1 A 220 50 3 D 440 460 60 3 03 3 ton 04 4 ton 05 5 ton 06 6 25 ton 08 7 5 ton 09 8 5 ton 10 10 to...

Page 3: ...ficiency Tube size O D inch 0 375 0 375 0 375 mm 9 52 9 52 9 52 Row FPI 2R 19FPI 2R 16FPI 2R 16FPI Lengh inch 54 3 55 9 66 9 mm 1 380 1 420 1 700 Face area sq ft 12 07 12 42 17 66 mm3 1 12 1 15 1 64 Indoor Coil Type High efficiency High efficiency High efficiency Tube size O D inch 0 375 0 375 0 375 mm 9 52 9 52 9 52 Row FPI 3R 16FPI 2R 16FPI 3R 16FPI Lengh inch 18 3 42 1 37 9 mm 465 1 070 963 Fac...

Page 4: ...Outdoor Coil Type High efficiency High efficiency Tube size O D inch 0 375 0 375 mm 9 52 9 52 Row FPI 2R 16FPI 2R 16FPI Lengh inch 85 78 7 mm 2 160 2 000 Face area sq ft 25 98 32 81 mm3 2 41 3 05 Indoor Coil Type High efficiency High efficiency Tube size O D inch 0 375 0 375 mm 9 52 9 52 Row FPI 2R 16FPI 2R 16FPI Lengh inch 55 1 55 9 mm 1 400 1 420 Face area sq ft 16 08 23 29 mm3 1 49 2 16 Outdoor...

Page 5: ...ifier function O O O O Test function O O O O Defrost O O O O Hot Start O O O O Self Diagnosis Function O O O O Filter type washable Anti fungus washable Anti fungus washable Anti fungus Compressor Type Reciprocating Reciprocating Reciprocating Reciprocating Quantity 1 1 2 2 Outdoor Coil Type High efficiency High efficiency High efficiency High efficiency Tube size O D inch 0 375 0 375 0 375 0 375 ...

Page 6: ...38 0 41 0 45 0 48 0 52 0 56 0 59 0 63 21 19 17 25 13 32 9 39 5 46 1 53 0 33 0 37 0 40 0 43 0 47 0 50 7 52 0 75 0 38 0 42 ESP BkW ESP BkW Mid Speed Low Speed Table 2 Supply Fan Performance LK 0580AC 0580CC S 0580HC LK 0580BC S1 English Fan motor heat MBH 5 09 x Fan Bhp Test Condition Voltage 380V Operating Mode Fan operation mode with clean filter dry coil without electric heater CFM High Speed ESP...

Page 7: ... 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 1 25 1 5 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP 2080 2340 2600 2860 3120 645 676 711 749 792 0 26 0 42 0 61 0 83 1 08 668 699 734 773 815 0 32 0 48 0 67 0 89 1 14 691 722 757 796 838 0 38 0 54 0 73 0 95 1 2 714 746 781 819 861 0 44 0 6 0 79 1 01 1 27 738 769 804 842 885 0 5 0 66 0 85 1 07 1 33 761 792 827 866 9...

Page 8: ... 761 809 0 76 0 98 1 24 1 54 1 88 665 696 732 774 822 0 81 1 02 1 28 1 58 1 92 678 709 745 787 835 0 85 1 07 1 33 1 63 1 97 693 723 759 801 849 0 90 1 11 1 37 1 67 2 01 707 738 774 816 864 0 94 1 16 1 42 1 72 2 06 722 9 753 4 789 4 831 3 879 3 0 99 1 21 1 46 1 76 2 10 739 770 806 848 896 1 03 1 25 1 51 1 81 2 15 2720 3060 3400 3740 4080 756 787 823 865 913 1 08 1 30 1 55 1 85 2 20 774 804 840 882 ...

Page 9: ...83 1 02 1 25 1 50 707 738 774 816 864 0 70 0 86 1 06 1 28 1 54 722 9 753 4 789 4 831 3 879 3 0 74 0 90 1 09 1 31 1 57 739 770 806 848 896 0 77 0 93 1 12 1 35 1 60 1284 1444 1605 1765 1925 756 787 823 865 913 0 80 0 97 1 16 1 38 1 64 774 804 840 882 930 0 84 1 00 1 19 1 42 1 67 792 823 859 901 949 0 87 1 03 1 23 1 45 1 70 811 842 878 920 968 0 90 1 07 1 26 1 48 1 74 831 861 897 939 987 0 94 1 10 1 ...

Page 10: ...2 43 3 02 3 69 708 745 788 838 895 1 58 2 01 2 51 3 09 3 76 725 761 804 854 912 1 66 2 08 2 58 3 17 3 84 742 778 821 871 929 1 73 2 16 2 66 3 24 3 91 759 795 838 888 945 1 81 2 23 2 73 3 32 3 99 775 812 855 905 962 1 88 2 31 2 81 3 39 4 06 792 829 872 922 979 1 95 2 38 2 88 3 47 4 14 4240 4770 5300 5830 6360 809 846 889 939 996 2 03 2 46 2 96 3 54 4 21 826 862 905 955 1013 2 10 2 53 3 03 3 62 4 29...

Page 11: ...6 742 778 821 871 929 1 29 1 61 1 98 2 42 2 92 759 795 838 888 945 1 35 1 66 2 04 2 47 2 97 775 812 855 905 962 1 40 1 72 2 09 2 53 3 03 792 829 872 922 979 1 46 1 78 2 15 2 59 3 09 2001 2251 2501 2751 3002 809 846 889 939 996 1 51 1 83 2 21 2 64 3 14 826 862 905 955 1013 1 57 1 89 2 26 2 70 3 2 843 879 922 972 1030 1 63 1 94 2 32 2 75 3 25 860 896 939 989 1046 1 68 2 00 2 37 2 81 3 31 877 913 956...

Page 12: ... 675 721 1 68 2 42 3 32 4 40 5 64 573 610 651 694 739 1 87 2 61 3 52 4 62 5 89 598 638 670 712 756 2 08 2 80 3 72 4 83 6 13 620 649 687 728 772 2 30 3 02 3 94 5 05 6 37 644 671 706 745 787 2 50 3 25 4 16 5 28 6 61 6400 7200 8000 8800 9600 666 693 724 763 804 2 70 3 48 4 38 5 51 6 94 687 713 741 778 818 2 89 3 72 4 62 5 75 7 09 709 736 763 797 836 3 11 3 94 4 88 5 99 7 34 731 756 783 814 852 3 34 4...

Page 13: ...8 670 712 756 1 55 2 09 2 77 3 60 4 57 620 649 687 728 772 1 72 2 25 2 94 3 77 4 75 644 671 706 745 787 1 86 2 42 3 10 3 94 4 93 3020 3398 3776 4153 4531 666 693 724 763 804 2 01 2 6 3 27 4 11 5 18 687 713 741 778 818 2 16 2 77 3 45 4 29 5 29 709 736 763 797 836 2 32 2 94 3 64 4 47 5 47 731 756 783 814 852 2 49 3 11 3 83 4 65 5 66 753 774 803 831 862 2 66 3 27 4 03 4 85 5 85 773 793 822 849 880 2 ...

Page 14: ... 0 04 1 02 0 09 2 29 0 06 1 52 0 07 1 78 0 13 3 30 0 1 2 54 0 11 2 79 0 07 1 78 0 07 1 78 0 1 2 57 0 13 3 30 0 14 3 56 0 17 4 32 Standard Filter Electric Heater 5KW 9KW 10KW 15KW 18KW 36KW in Aq mm Aq in Aq mm Aq in Aq mm Aq in Aq mm Aq in Aq mm Aq in Aq mm Aq in Aq mm Aq Table 16 Electric Heating Capacity MODEL LK 0580HC BC S1 LK 0580CC S AC LK 0880HH LK 0880BH BHS1 LK 0880CH AH LK 1080HH LK 1080...

Page 15: ...8 x CFM If you want to take temp rise at different airflow use above equation 10 9 21 9 32 7 Capacity 5KW 9KW 10KW 18KW 36KW 1 1 1 1 2 7 9 15 8 14 3 28 5 42 9 10 7 21 5 14 2 Stage LK 0580BC S1 LK 0580AC LK 0580CC S LK 0580HC 2000CFM LK 0880AH LK 0880BH LK 0880BHS1 LK 0880CH LK 0880HH 2600CFM LK 1080AH LK 1080BH LK 1080CH LK 1080HH 3400CFM LK 1580AH LK 1580CH LK 1580BH LK 1580HH 5300CFM LK 2080B0AC...

Page 16: ...A M F S M C B M C A M F S M C B Table 19 Electrical Data Unit wiring with electric heater LK 0580HC BC S1 5 21 25 25 LK 0580CC S AC 10 28 35 35 9 32 5 45 45 35 5 45 45 18 45 60 60 48 60 60 36 58 70 70 61 70 70 LK 1080HH 9 42 5 45 45 LK 1080BH 18 55 60 60 36 68 70 70 9 40 5 45 45 LK 1080CH AH 18 52 60 60 36 65 70 70 LK 1580CH AH 18 58 70 70 60 70 70 36 71 90 90 73 90 90 LK 1580HH 18 58 70 70 60 70 ...

Page 17: ...2 63 MODEL No volts Phase HP FLA LRA No volts Phase HP FLA LRA Standard evaporator fan motor Oversized evaporator fan motor Table 21 Electrical characteristics Compressor and Outdoor Fan Motor 50 Hz LK 0580HC BC S1 1 380 415 3 6 9 2 79 2 220 240 1 0 15 1 5 10 8 LK 0580CC S AC LK 0880HH BH LK 0880BHS1 1 380 415 3 8 5 15 115 1 220 240 1 1 3 6 2 19 5 LK 0880CH AH 380 415 3 0 5 1 5 2 3 LK 1080HH BH 2 ...

Page 18: ...5 43 70 1110 50 39 1280 29 49 749 9 65 245 2 36 60 2 76 70 Unit inch mm UNITS 5RT H J K L M N P 13 86 352 9 21 234 10 47 266 3 86 98 4 33 110 22 28 566 16 38 416 Unit inch mm E G F Center Line of Hole A B CLEARANCE 34 CLEARANCE 16 HORIZONTAL CLEARANCE 32 DOWNFLOW CLEARANCE 34 1 Dia Hole Control Wires 1 5 Dia Hole Power Wires 1 5 Dia Hole Other Purpose CLEARANCE 46 D C H P J K L M SUPPLY RETURN N ...

Page 19: ... 43 265 2 76 70 2 36 60 3 54 90 Unit inch mm C G F D L E 1 5 Dia Hole Power Wires 1 5 Dia Hole Other Purpose Center Line of Hole 1 Dia Hole Control Wires A B CLEARANCE 34 CLEARANCE 16 CLEARANCE 34 CLEARANCE 46 UNITS 15 47 393 16 18 411 18 82 478 2 40 61 5 35 136 26 89 683 H J K L M N Unit inch mm H J K L N M S U P P L Y R E T U R N LK 0880AH 0880BH 0880BHS1 0880CH 0880HH LK 0880AH 0880BH 0880BHS1 ...

Page 20: ...50 48 89 1242 85 43 2170 55 0 1397 6 10 155 8 46 215 10 43 265 Unit inch mm E G F D C Center Line of Hole A B CLEARANCE 34 CLEARANCE 46 CLEARANCE 16 HORIZONTAL CLEARANCE 34 1 Dia Hole Control Wires 1 5 Dia Hole Power Wires 1 5 Dia Hole Other Purpose UNITS LK 1080AH 1080CH 1080HH 16 06 408 14 02 356 20 16 512 2 44 62 2 01 51 34 33 872 H J K L M N Unit inch mm H J K L M N S U P P L Y R E T U R N ...

Page 21: ...ZONTAL CLEARANCE 34 1 Dia Hole Control Wires 1 5 Dia Hole Power Wires 1 5 Dia Hole Other Purpose UNITS LK 1580AH 1580CH 1580HH A B C D E F G 47 44 1205 69 53 1766 95 98 2438 63 11 1603 6 29 160 8 66 220 11 02 280 Unit inch mm H I J K L M S U P P L Y R E T U R N Unit inch mm UNITS LK 1580AH 1580CH 1580HH H I J K L M 24 53 623 9 17 233 24 53 623 2 36 60 5 08 129 40 24 1022 LK 1580AH 1580CH 1580HH ...

Page 22: ...ARANCE 34 CLEARANCE 46 CLEARANCE 16 HORIZONTAL CLEARANCE 34 2 Dia Hole Power Wires 1 5 Dia Hole Other Purpose 3EA UNITS LK 2080AH 2080CH A B C D E F 65 35 1660 74 02 1880 109 21 2774 69 69 1770 7 68 195 11 89 302 Unit inch mm H I J K L M S U P P L Y R E T U R N Unit inch mm UNITS LK 2080AH 2080CH H I J K L M 25 57 649 5 15 28 388 27 34 694 5 2 40 61 6 10 155 57 09 1450 ...

Page 23: ...nformation only 2 Weights are approximate E CENTER OF GRAVITY F A D B C 5 LK 0580HC BC S1 540 485 165 124 91 106 28 19 LK 0580CC S AC LK 0880HH BH 7 5 LK 0880BHS1 772 617 209 161 116 132 38 17 LK 0880CH AH 10 LK 1080HH BH 970 772 261 197 145 168 37 20 LK 1080CH AH 15 LK 1580CH AH 1 410 1 168 410 297 211 251 40 28 LK 1580HH BH 20 LK 2080CH AH 2 171 1 808 639 438 320 411 43 31 Tons Unit Model No Max...

Page 24: ...L LOW OR BK HI MOTOR I N TERMINAL BLOCK THERMISTOR IN THERMISTOR OUT THERMISTOR RETURN AIR OPTION OR BL BK YL BR OR OR OR BK BK YL BR OR BK YL BR OR BK YL BR OR BK T1 T2 T3 RD RD RD CRANKCASE HEATER CAPACITOR CAPACITOR COMP WH BK POWER RELAY1 BL BK YL WH WH FUSE FUSE 5A 250V 5A 250V WH OR RD WH BK BK BK BK BK BK BR BL OR 0 1 2 6 8 4 FIELD WIRING FACTORY WIRING MOTOR OUT NOTE MOTOR OUT BK BLACK BR ...

Page 25: ...13V AC 24V MAIN PCB ASM 3854A20036A LOW PRESSURE SWITCH CAPACITOR BR YL BL LOW OR BK HI MOTOR I N TERMINAL BLOCK THERMISTOR IN THERMISTOR RETURN AIR OPTION OR BL BK YL BR OR BK YL BR OR BK YL BR OR BK YL BR OR BK T1 T2 T3 RD RD RD CRANKCASE HEATER CAPACITOR CAPACITOR COMP WH BK POWER RELAY BL BK WH FUSE FUSE 5A 250V 5A 250V WH OR RD WH BK BK BK BK BK BR BL OR 0 1 2 6 8 4 FIELD WIRING FACTORY WIRIN...

Page 26: ...BK YL BR OR BK YL BR T P OR BK CAPACITOR BK BK CRANKCASE HEATER WH BK RD WH BK RD WH THERMISTOR OUT THERMISTOR RETURN AIR OPTION THERMISTOR IN MOTOR IN COMP INDOOR AC 13V BR RD REMOTE CONTROLLER FILLER TERMINAL4 FILLER TERMINAL3 CN18 CN4 FILLER TERMINAL2 YL BR BR BR 4 WAY VALVE NOTE FIELD WIRING FACTORY WIRING BK BR OR BL BLACK BROWN ORANGE BLUE RD WH YL RED WHITE YELLOW RD YL CN THERMOSTAT RD WH ...

Page 28: ... WITH CONTACT IN PARALLEL BR RD YL BR RD YL BL RD WH BK YL OR RD WH BK BR REMOTE CONTROLLER FILLER TERMINAL4 REMOVE JUMP WIRE WHEN CONNECTING THERMOSTAT CN THERMOSTAT AC 13V INDOOR AC 24V MAIN PCB ASM Ry Ry A B Ry Ry Ry POWER RELAY1 HEATER TRANS TRANS BR BR YL WH WH WH WH WH BK BK BK BK BK BK BL BK BK BK BK BK BK BK RD RD BL WH WH WH BK RD WH BK RD WH BK RD WH RD BR BR YL BK FUSE 250V 3 15A HUMID ...

Page 29: ... THERMOSTAT MECHANICAL THERMOSTAT R X G O B Y Y1 W2 W1 E CN18 CN4 BL BK RD WH BK BK BK BK BK BK BK BK BK BK BR BR EH EH YL BK WH WH WH FUSE FUSE 5A 250V 5A 250V WH WH RD BK BK RD BK BK BK BK BK BK BK BK BK BK BK WH WH 1 2 8 4 6 0 1 2 6 4 8 0 WH RD BK WH RD T1 T2 T3 T1 T2 T3 RD WH POWER RELAY1 POWER RELAY2 MAGNETIC CONTACT A MAGNETIC CONTACT B WH BK BK RD WH BK BK BK BK BK BK BK BK OR BR BK BK BK O...

Page 30: ...TICIPATOR RESISTOR CONNECTING WIHT CONTACT IN PARALLEL REMOVE JUMP WIRE WHEN CONNECTING THERMOSTAT MECHANICAL THERMOSTAT R G 1 2 Y Y1 W2 W1 CN18 CN4 BL YL YL YL BK RD WH BK BK BK WH WH BK BK BK BK BK BK BK BR BR EH EH YL BK WH WH WH FUSE FUSE 5A 250V 5A 250V WH WH RD BK BK RD BK BK BK BK BK BK BK BK BK BK BK WH WH 1 2 8 4 6 0 1 2 6 4 8 0 WH RD T1 T2 T3 BK WHRD T1 T2 T3 RD WH POWER RELAY1 POWER REL...

Page 31: ...RD RD YL A B HEATER FUSE FAN COMP B HUMID COMP A COMP OUT B AC13V AC24V BY PASS A 4WAY A 4 WAY VALVE For A Cycle 4 WAY VALVE For B Cycle THERMISTOR IN B THERMISTOR OUT B THERMISTOR IN A THERMISTOR OUT A THERMISTOR OUT AIR THERMISTOR RETURN AIR OPTION T P MOTOR IN 3854A20011D SOLENOID VALVE For A Cycle 4WAY B BK MAIN PCB ASM OUT A IN 250V 3 15A FUSE 5A 250V FUSE 5A 250V POWER TRANS Ry Ry Ry Ry Ry R...

Page 32: ...K TERMINAL BLOCK EH EH 3 4 1 2 BR RD YL YL BR RD YL BL RD YL A B HEATER FUSE FAN COMP B HUMID COMP A COMP OUT B AC13V AC24V LOW PRESSURE SWITCH A Cycle LOW PRESSURE SWITCH B Cycle THERMISTOR IN B THERMISTOR IN A THERMISTOR OUT AIR THERMISTOR RETURN AIR OPTION MOTOR IN 3854A20011C MAIN PCB ASM OUT A IN 250V 3 15A FUSE 5A 250V FUSE 5A 250V POWER TRANS Ry Ry Ry Ry Ry Ry Ry Ry WH WH WH WH WH WH BK BK ...

Page 33: ... HUMID BK THERMISTOR IN B CN THERMISTOR IN A THERMISTOR OUT AIR THERMISTOR RETURN AIR OPTION LOW PRESSURE SWITCH A Cycle LOW PRESSURE SWITCH B Cycle BK BK WH WH 3854A20052A MOTOR IN BK BK BK BK BK BK WH WH RD RD T P T P BK BK BK OR BR YL YL BR OR BK BK BK MOTOR OUT A COMP A COMP B BK BK BK CRANKCASE HEATER B CRANKCASE HEATER A BK WH RD T1 T2 T3 BK WH RD BK T1 T2 T3 BK CAPACITOR T P BK BK BK OR BR ...

Page 34: ...n condition of OFF due to trouble Troubled or defective contactor Measure power sypply with a tester in case that the same power source is supplied to other equipment except the unit what and where troubled can be discovered by checking the operation of other equipment Measure it with a tester Make short circuit then measure it with tester Check it with the eyes or tester Repair a switch box and r...

Page 35: ...it Rewiring or repair 4 Only compressor does not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Magnetic switch for compressor motor Compressor motor High pressure switch Option part Electric circuit Defective contact magnetic coil troubled Troubled over heated layer short Troubled or defective contact or operating Defective connection or disconnection of the circuit for compressor Check it wit...

Page 36: ...rotation of fan Obstacle Air short circuit 1 Checking In the event that difference between the saturating temperature corresponding to high pressure and the temperature of air discharged from the outdoor coil is more than 15 C incondensable gas may be blended Check it with a pressure gauge Confirm the wind blowing out upward Check it with eyes Wash it by means of something like chemical washing Ex...

Page 37: ...echarge it Repair the leakage spot Correct or clear the foreign bodies Cleaning 4 All the functions are performed as specified but very noisy and vibrant WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Compressor Blower Screws Electric troubles Magnetic contactor Others Checking Checking Checking Checking Improper installation Checking Replace the compressor Repair or replace it Clear the foreign bod...

Page 38: ...sformer NO NO NO YES Is the output voltage of IC01A 7036 on the main PCB DC5V NO 1 Exchange IC01D 7812 on the main PCB 2 Check the D01D D05D R05C on the main PCB 1 Exchange IC01A 7036 on the main PCB Is the output voltage of transformer AC24V AC13V 1 Exchange OSC01B 2 Check the pattern around OSC01B on the main PCB Is the input voltage of remote controller DC12V YES NO YES Is the power ON NO 1 Che...

Page 39: ...ove cause of Check 2 Reenergize the power supply YES YES Is there OSC01B vibration on the remote controller PCB NO 1 Check or exchange IC01D 7812 on the MAIN PCB 1 Exchange OSC01B 2 Check the pattern around OSC01B on the remote controller PCB Is any key on the remote controller keeping pressed 1 Check Keys 2 Repair or exchange Key Is there trouble in the remote controller PCB ASS Y NO YES NO Are t...

Page 40: ...IC01M s 13 12 COMP B PIN on the MAIN PCB DC0V Is the magnetic contactor for compressor ON 1 Check Compressor and Capacitor for Compressor NOTE 3ø model has not capacitor for compressor YES NO 1 Set following Set Temp Room Temp NO NO 1 Check or exchange IC01D IC02D on the MAIN PCB NO YES Is the voltage between A B COMP B of CN COMP and NEUTRAL 220V NO 1 Check or exchange IC01M 2 Check 3 minutes tim...

Page 41: ...ltage of IC02M s 11PIN on the MAIN PCB 0V Is the magnetic contactor for heater ON Check or exchange E Heater 1 Set following Set temp Room temp 1 Check or exchange IC01D IC02D on the MAIN PCB Is the voltage between A B Heat B of CN HEAT CN6 and NEUTRAL 220V 1 Check or exchange IC02M 1 Check or exchange RY13 RY14 Heat B Set temp Room temp 1 Check the wiring of Magnetic contactor 2 Exchange Magnetic...

Page 42: ...oltage of IC02M s 12PIN on the MAIN PCB 0V Is the magnetic contactor for humidifier ON Check the humidifier 1 Press humidifier Key 1 Check or exchange IC01D IC02D on the MAIN PCB Is the voltage between 1PIN of CN HUMID and NEUTRAL 220V 1 Check or exchange IC02M 1 Check or exchange RY3 Is the HUMID LCD ON 1 Check the wiring or Magnetic contactor 2 Exchange Magnetic contactor YES YES YES NO YES YES ...

Page 43: ...220V 1 Check or exchange RY10 NO Is the compressor operating Is it cooling operation 1 Press power ON OFF button 2 Select cooling operation 1 Set following Set temp Room temp 2 Wait if the unit has operating with 3 minute time delay YES NO YES NO Is the output voltage of IC02M s 13 12 OUT FAN B on the MAIN PCB 0V Is the Power relay for outdoor motor ON Check the outdoor motor A B 1 Check or exchan...

Page 44: ...supply press power ON OFF button YES NO Is the unit operating 1 Press power ON OFF button Is the output voltage of IC02M s 16 15 4WAY B on the MAIN PCB DC0V 1 Check 4WAY A and B NO 1 Set following Set Temp Room Temp NO NO 1 Check or exchange IC01D IC02D on the MAIN PCB YES Is the voltage between 4WAY A B of CN BYPASS and NEUTRAL 220V NO 1 Check or exchange IC02M 1 Check or exchange RY8 9 4WAY B Se...

Page 45: ...the output voltage of IC01M s 16PIN on the MAIN PCB 0V Is the magnetic contactor for heater OK Check or exchange E Heater 1 Set following Set temp Room temp 1 Check or exchange IC01D IC02D on the MAIN PCB Is the voltage between 1PIN of CN5 and NEUTRAL 220V 1 Check or exchange IC01M 1 Check or exchange RY1 Set temp Room temp 1 Check the wiring of Magnetic contactor 2 Exchange Magnetic contactor YES...

Page 48: ... 48 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 Feature of Remote Controller PCB ASS Y 4 Feature of Remote Controller LCD ...

Page 49: ... remote controller 2 Check the input voltage of remote controller 3 Check the wiring of remote controller Room temp 25 C DC 2 5V Pipe temp 25 C DC 2 5V Pipe temp 25 C DC 2 2V Room temp 25 C DC 2 2V Input voltage of remote controller DC 12V Voltage of sensing Over 4 8V Voltage of sensing Less than 0 5V Voltage of sensing Over 4 8V Voltage of sensing Less than 0 5V Communication interruption between...

Page 50: ...or Temp YES YES YES NO YES YES Stop condition YES 1 Initialize micom 2 A D convert 3 Main PCB Waiting cooling operation 4 Remote controller Waiting input YES START Power supply Go to A Fan only operating Stop condition YES Go to A Dehumidification Mode Dehumidification operating YES Stop condition YES Go to A Set Temp Indoor Temp Heater operating YES Heater operation mode YES Stop condition YES NO...

Page 51: ... 435301 546810 559010 349480 549610 554160 554031 330871 552111 354210B W6920 249950 W0CZZ 268711B 566001 websit e http w ww LG Eservic e com e mail http w ww LG Eservic e com techsup html W6631 Comp wire 566000A 566000B 267110 Model Classification Description Part Number Location Number Remark Compressor 5417A20008G 554160 Harness Multi 6863A20007B W6631 LK 0580AC 0580CC S 0580HC 0580BC S1 ...

Page 52: ...0A 435301 546810 559010 349480 549610 554160 554031 330871 552111 354210B W6920 249950 W0CZZ 268711B 566001 websit e http w ww LG Eservic e com e mail http w ww LG Eservic e com techsup html W6631 Comp wire 267110 Model Classification Description Part Number Location Number Remark Compressor 5417A20008G 554160 Harness Multi 6863A20007B W6631 LK 0580AC 0580CC S 0580HC 0580BC S1 ...

Page 53: ...435301 546810 559010 349480 549610 554160 554031 330871 552111 354210B W6920 249950 W0CZZ 268711B 566001 websit e http w ww LG Eservic e com e mail http w ww LG Eservic e com techsup html W6631 Comp wire 566000B 267110 Model Classification Description Part Number Location Number Remark Compressor 5417A20008G 554160 Harness Multi 6863A20007B W6631 LK 0580AC 0580CC S 0580HC 0580BC S1 ...

Page 54: ...35301 546810 559010 349480 549610 554160 554031 330871 552111 354210B W6920 249950 W0CZZ 268711B 566001 websit e http w ww LG Eservic e com e mail http w ww LG Eservic e com techsup html W6631 Comp wire 566000A 267110 Model Classification Description Part Number Location Number Remark Compressor 5417A20008G 554160 Harness Multi 6863A20007B W6631 LK 0580AC 0580CC S 0580HC 0580BC S1 ...

Page 55: ...35301 546810 559010 349480 549610 554160 554031 330871 552111 354210B W6920 249950 W0CZZ 268711B 566001 567480 websit e http w ww LG Eservic e com e mail http w ww LG Eservic e com techsup html W6631 Comp wire 267110 Model Classification Description Part Number Location Number Remark Compressor 5417A20008G 554160 Harness Multi 6863A20007B W6631 LK 0580AC 0580CC S 0580HC 0580BC S1 ...

Page 56: ...566000A 566000B 552111 549610 566001 268711B 249950 336610 359001 349490 152302B 152302A 435311 W6920 546810 559010 349480 554031 websit e http w ww LG Eservi ce com e mail http w ww LG Eservi ce com techsu p html 267110 W6631 Comp wire Model Classification Description Part Number Location Number Remark Compressor 5417A20007F 554160 Harness Multi 6863A20001X W6631 LK 0880AH LK 0880BH S1 LK 0880CH ...

Page 57: ...71 554160 552111 549610 566001 268711B W0CZZ 249950 336610 359001 349490 152302B 152302A 435311 W6920 546810 559010 554031 websit e http w ww LG Eservi ce com e mail http w ww LG Eservi ce com techsu p html 267110 W6631 Comp wire 349480 Model Classification Description Part Number Location Number Remark Compressor 5417A20007F 554160 Harness Multi 6863A20001X W6631 LK 0880AH LK 0880BH S1 LK 0880CH ...

Page 58: ...0 566000B 552111 549610 566001 268711B 249950 336610 359001 349490 152302B 152302A 435311 W6920 546810 559010 554031 websit e http w ww LG Eservi ce com e mail http w ww LG Eservi ce com techsu p html 267110 W6631 Comp wire W0CZZ 349480 Model Classification Description Part Number Location Number Remark Compressor 5417A20007F 554160 Harness Multi 6863A20001X W6631 LK 0880AH LK 0880BH S1 LK 0880CH ...

Page 59: ...160 566000A 552111 549610 566001 268711B 249950 336610 359001 349490 152302B 152302A 435311 W6920 546810 559010 554031 websit e http w ww LG Eservi ce com e mail http w ww LG Eservi ce com techsu p html 267110 W6631 Comp wire 349480 Model Classification Description Part Number Location Number Remark Compressor 5417A20007F 554160 Harness Multi 6863A20001X W6631 LK 0880AH LK 0880BH S1 LK 0880CH LK 0...

Page 60: ...Internal Use Only 10 LK 1080AH 1080BH 1080CH 1080HH Exploded View 346810 349600 336610 359012 152302 552111 263230 330870 554160 268711B 559010 546810 549610 554031A 554031C 554031D 554031B 566001 W0CZZ W6920 249950 435301 websi te http www LGEs ervice com e mail http www LGEs ervice com t echsup html ...

Page 61: ...811 145610B 435311 435512 249951 559010 342800 546810A 546810B 549610 268711B W6920 566001 554031 554160 554030 330871 567480B 152302 354210 145610A 336610 W4400 567480A 552111 566000 567480C 349480 261704 W0CZZ 267110 W6631 Model Classification Description Part Number Location Number Remark Compressor 5417A20007F 554160 Harness Multi 6863A20007E W6631 LK 1580AH F S1 LK 1580CH Cooling Only ...

Page 62: ...Remark Compressor 5417A20007F 554160 Harness Multi 6863A20007E W6631 LK 1580BH LK 1580HH Cooling Heating 346810 359012 W4811 145610B 435311 435512 249951 559010 342800 546810A 546810B 549610 268711B W6920 566001 554031 554160 554030 330871 567480B 152302 354210 145610A 336610 W4400 567480A 552111B 552111A 567480C 349480 261704 W0CZZ 267110 W6631 12 LK 1580BH 1580HH Exploded View ...

Page 63: ... LGE Internal Use Only 13 LK 2080AH 2080CH Exploded View 261704 W6920 268711B 566001 249950 559010 546810B 546810A 549610 554160 554031A 554031B 330870 552111 354210 263230 435311 346810 359012 349600A 342800 349600B websi te http www LGEs ervice com e mail http www LGEs ervice com t echsup html ...

Page 64: ...A30001F 4561A30001F BLOWER PULLY Type A TYPE A TYPE A TYPE Outside Dia 149 mm 149 mm 149 mm P No 4400A30001P 4400A30001P 4400A30001P V VELT Type A TYPE A TYPE A TYPE Length 48 inch 48 inch 48 inch P No 6600A20004C 6600A20004C LOWER PRESSURE Spec OFF 2 0kgf ON 3 5kgf OFF 2 0kgf ON 3 5kgf SWITCH Rated Voltage DC 24V DC 24V Maker SAGINOMIYA SAGINOMIYA CAPACITOR P No for COMP Spec CAPACITOR P No 0CZZA...

Page 65: ...450 454 mm 3A00217R 3A00217R 3A00217R 3A00217R 3A00217S VARIABLE VARIABLE VARIABLE VARIABLE VARIABLE 4561A30002B 4561A30002B 4561A30002A 4561A30002A 4561A30003C REC B TYPE REC B TYPE REC B TYPE REC B TYPE REC B TYPE 190 mm 190 mm 180 mm 180 mm 457 mm 4400A30002G 4400A30002G 4400A30002G 4400A30002G 4400A30002J REC B TYPE REC B TYPE REC B TYPE REC B TYPE REC B TYPE 54 inch 54 inch 54 inch 54 inch 81...

Page 66: ...P NO 3828A30027F AUGUST 2009 ...

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