LG LBNS3061BL User manual

Ceiling Duct Conditioner
SVC MANUAL(Exploded View)
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
MODEL: LBNS3061BL
LBNS3062BL
LBNS3063BL
LBNS3064BL
LBNK3661BL
ABNH366KSB0
LBNK4261BL
LBNK4262BL
LBNK4263BL
LBNK4881BL
LBNK4882BL
LBNK4883BL
LBNH608RSS1
LBNH608RSS3
LBNM7280BL
LBNM7281BL
LBNM9080BL
LBNM9081BL
LBNM1081BL
LBUS3061BL
LBUS3062BL
LBUS3064BL
LBUK3660BL
ABUH366KSB0
LBUK4260BL
LBUK4262BL
LBUK4880BL
LBUK4882BL
LBUH608RSS3
LBUM7280BL
LBUM9080BL
LBU1081BL

Contents
Functions .................................................................................................................................3
Product Specifications (Cooling & Heating)..........................................................................5
Dimensions ............................................................................................................................11
Refrigeration Cycle Diagram ................................................................................................14
Wiring Diagram ......................................................................................................................15
Operation Details ...................................................................................................................26
Installation of Indoor, Outdoor Unit .....................................................................................29
Cycle ........................................................................................................................................43
Cycle Troubleshooting Guide ...............................................................................................46
Electronic Parts Troubleshooting Guide .............................................................................47
Electronic Control Device .....................................................................................................50
Exploded View ........................................................................................................................51
- 2 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only

Functions
Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
Room temperature control
Starting Current Control
Time Delay Safety Control
Indoor Fan Speed Control
Soft Dry Operation Mode
Auto Operation(Auto Change Over)
Deice (defrost) control (Heating)
Auto Restart
- 3 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Hot-start Control (Heating) • The indoor fan stops until the evaporator piping tempera-
ture will be reached at 28°C.
High head height Drain pump(Optional) • A standard drain-head height of up to 700mm is possible.
Central Control(Optional) •
It is operating individually or totally by central control function.
Group Control(Optional Wiring)
Radio Frequency Control (Optional)
• Each controller can control 16 units and 8 controllers can connect.
•
It operates maximum 16 units by only one wired remote con-
troller and each unit starts random to prevent overcurrent.
• Room temperature sensor. (Thermistor)
• Maintains the room temperature in accordance with the Setting Temp.
• Indoor fan is delayed for 5 seconds at the starting.
• Restarting is inhibited for approx. 3 minutes.
• High, Med, Low
• Intermittent operation of fan at low speed.
• Although the air-conditioner is turned off by a power failure, it is restarted automati-
cally previous operation mode after power supply.
• The setting temperature and desired operation mode are auto-
matically set by fuzzy rule.
• Both the indoor and outdoor fan stops during defrosting.
• Hot start after defrost ends.

- 4 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Remote Controller
Operation ON/OFF
Operation Mode Selection
Fan Speed Selection
Room Temperature Display
Temperature Setting
Setting the Timer
Weekly Program
(Cooling
model only) (Heating
model only)
(Low) (Med) (High)
Cooling Operation Mode ( )
Heating Operation Mode ( ) Auto Operation Mode ( )
Soft Dry Operation Mode ( )
Fan Operation Mode
Fan Auto Function
HIMEDLO
Program Holiday
SET/CLR
MinHour
Week
Timer CancelTimer Cancel
:Used to control the indoor air flow when the comp is off.
:Fan operates without cooling & heating
( )AUTO
: High:39°C LOW:11°C
Cooling Heating
Down to 18°C
Up to 30°C
Down to 16°C
Up to 30°C

- 5 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Product Specifications (Cooling & Heating)
Power Source Ø, V, Hz
Cooling Capacity kcal/h(BTU/h)
W
Input W
Heating Capacity kcal/h(BTU/h)
W
Input W
Rated Load Amp. Cooling A
Heating A
Air Volumn Cooling(H/M/L) CMM(m3/min)
Heating(H/M/L)
Refrigerant(R-22) g
Drain Hose In. Dia mm
Main Cable No. X mm2
Connecting Cable
Remote Control Type
Refrigerant Control Type
Function Soft Dry
Timer
Self Diagnosis
Hot Start
Fan Auto
Network Function(LGAP)
Zone Control(Optional)
Central Control(Optional)
Group Control(Optional wiring)
Radio Frequency Control(Optional)
Weekly Programming
Thermistor
Drain Pump(Optional)
Auto changeover(Auto Operation: CL)
Stand-by Consumption 0
Connecting Pipe Liquid Inch
Gas (mm)
Dimension Indoor mm
Outdoor (W x H x D)
Net Indoor Kg
Weight Outdoor
Model
LBNS3061BL
LBUS3061BL
LBNK3661BL
LBUK3660BL
LBNK4261BL
LBUK4260BL
LBNK4881BL
LBUK4880BL
1, 220-240, 50 1, 220-240, 50 1, 220-240, 50 3, 380-415, 50
7,307(29,000) 9,072(36,000) 10,548(42,000) 12,096(48,000)
8500 10551 12309 14067
3200 3600 5100 4900
8,064(32,000) 9,072(36,000) 11,314(45,500) 12,096(48,000)
9378 10551 13190 14067
3000 3400 4700 4400
14 16 22.5 8
13.5 14 21 7.3
30/26/22 35/32/28 46/38/32 49/47/44
30/26/23 35/32/28 46/38/32 49/47/44
2020 2240 3600 3351
22.6 22.6 22.6 22.6
3*3.5 3*5.5 3.*8.5 4*3.5
5*1.25 5*1.25 5*1.25 5*1.25
L.C.D Wired L.C.D Wired L.C.D Wired L.C.D Wired
Orifice/Capillary Orifice/Capillary Orifice/Capillary Orifice/Capillary
Ye s Ye s Ye s Ye s
24 Hour On/Off 24 Hour On/Off 24 Hour On/Off 24 Hour On/Off
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
No No No No
No No No No
Optional Optional Optional Optional
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
3/8(9.52) 3/8(9.52) 3/8(9.52) 3/8(9.52)
5/8(15.88) 3/4(19.05) 3/4(19.05) 3/4(19.05)
890*350*560 1030*350*560 1030*350*560 1030*350*560
870*800*320 870*800*320 900*1,220*370 900*1,220*370
32 39 39 39
72 72 90 90

- 6 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Power Source Ø, V, Hz
Cooling Capacity kcal/h(BTU/h)
W
Input W
Heating Capacity kcal/h(BTU/h)
W
Input W
Rated Load Amp. Cooling A
Heating A
Air Volumn Cooling(H/M/L) CMM(m3/min)
Heating(H/M/L)
Refrigerant(R-22) g
Drain Hose In. Dia mm
Main Cable No. X mm2
Connecting Cable
Remote Control Type
Refrigerant Control Type
Function Soft Dry
Timer
Self Diagnosis
Hot Start
Fan Auto
Network Function(LGAP)
Zone Control(Optional)
Central Control(Optional)
Group Control(Optional wiring)
Radio Frequency Control(Optional)
Weekly Programming
Thermistor
Drain Pump(Optional)
Auto changeover(Auto Operation: CL)
Stand-by Consumption 0
Connecting Pipe Liquid Inch
Gas (mm)
Dimension Indoor mm
Outdoor (W x H x D)
Net Indoor Kg
Weight Outdoor
Model
LBNS3062BL
LBUS3062BL
LBNK4262BL
LBUK4262BL
LBNK4882BL
LBUK4882BL
1, 220-240, 50 1, 220-240, 50 3, 380-415, 50
7,060(28,000) 10,600(42,000) 11,800(47,000)
8200 12300 13800
3300 5100 5100
7,180(28,500) 11,340(45,000) 12,100(48,000)
8350 13190 14100
2700 4700 4300
15 22.5 8.5
12.5 21 7.3
32/28/23 46/38/32 51/49/46
32/28/23 46/38/32 51/49/46
2020 3300 3350
22.6 22.6 22.6
3*3.5 3.*8.5 4*3.5
5*1.25 5*1.25 5*1.25
L.C.D Wired L.C.D Wired L.C.D Wired
Orifice/Capillary Orifice/Capillary Orifice/Capillary
Ye s Ye s Ye s
24 Hour On/Off 24 Hour On/Off 24 Hour On/Off
Ye s Ye s Ye s
Ye s Ye s Ye s
Ye s Ye s Ye s
No No No
Optional Optional Optional
Optional Optional Optional
Ye s Ye s Ye s
Optional Optional Optional
Ye s Ye s Ye s
Ye s Ye s Ye s
Optional Optional Optional
Ye s Ye s Ye s
Ye s Ye s Ye s
3/8(9.52) 3/8(9.52) 3/8(9.52)
5/8(15.88) 3/4(19.05) 3/4(19.05)
1030*350*560 1030*350*560 1120*400*580
870*800*320 900*1,220*370 900*1,220*370
32 39 42
72 90 90

- 7 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Power Source Ø, V, Hz
Cooling Capacity kcal/h(BTU/h)
W
Input W
Heating Capacity kcal/h(BTU/h)
W
Input W
Rated Load Amp. Cooling A
Heating A
Air Volumn Cooling(H/M/L) CMM(m3/min)
Heating(H/M/L)
Refigerant g
Drain Hose In. Dia mm
Main Cable No. X mm2
Connecting Cable
Remote Control Type
Refrigerant Control Type
Function Soft Dry
Timer
Self Diagnosis
Hot Start
Fan Auto
Network Function(LGAP)
Zone Control(Optional)
Central Control(Optional)
Group Control(Optional wiring)
Radio Frequency Control(Optional)
Weekly Programming
Thermistor
Drain Pump(Optional)
Auto changeover(Auto Operation: CL)
Stand-by Consumption 0
Connecting Pipe Liquid Inch
Gas (mm)
Dimension Indoor mm
Outdoor (W x H x D)
Net Indoor Kg
Weight Outdoor
Model
LBNS3063BL
LBUS3062BL
ABNH366KSB0
ABUH366KSB0
LBNK4263BL
LBUK4262BL
LBNK4883BL
LBUK4882BL
1, 220-240, 50 1, 220-240, 50 1, 220-240, 50 3, 380-415, 50
7,060(28,000) 8,512(33,780) 10,600(42,000) 11,800(47,000)
8200 9900 12300 13800
3300 TBA 5100 5100
7,180(28,500) 8,770(34,800) 11,340(45,000) 12,100(48,000)
8350 10200 13190 14100
2700 TBA 4700 4300
15 TBA 22.5 8.5
12.5 TBA 21 7.3
32/28/23 35/32/28 46/38/32 51/49/46
32/28/23 35/32/28 46/38/32 51/49/46
2020(R-22) TBA 3300(R-22) 3350(R-22)
22.6 22.6 22.6 22.6
3*3.5 3*5.5 3.*8.5 4*3.5
5*1.25 5*1.25 5*1.25 5*1.25
L.C.D Wired L.C.D Wired L.C.D Wired L.C.D Wired
Orifice/Capillary Orifice/Capillary Orifice/Capillary Orifice/Capillary
Ye s Ye s Ye s Ye s
24 Hour On/Off 24 Hour On/Off 24 Hour On/Off 24 Hour On/Off
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
3/8(9.52) 3/8(9.52) 3/8(9.52) 3/8(9.52)
5/8(15.88) 3/4(19.05) 3/4(19.05) 3/4(19.05)
1030*350*560 1030*350*560 1030*350*560 1120*400*580
870*800*320 870*1060*320 900*1,220*370 900*1,220*370
32 39 39 42
72 80 90 90

- 8 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Power Source Ø, V, Hz
Cooling Capacity kcal/h(BTU/h)
W
Input W
Heating Capacity kcal/h(BTU/h)
W
Input W
Rated Load Amp. Cooling A
Heating A
Air Volumn Cooling(H/M/L) CMM(m3/min)
Heating(H/M/L)
Refigerant g
Drain Hose In. Dia mm
Main Cable No. X mm2
Connecting Cable
Remote Control Type
Refrigerant Control Type
Function Soft Dry
Timer
Self Diagnosis
Hot Start
Fan Auto
Network Function(LGAP)
Zone Control(Optional)
Central Control(Optional)
Group Control(Optional wiring)
Radio Frequency Control(Optional)
Weekly Programming
Thermistor
Drain Pump(Optional)
Auto changeover(Auto Operation: CL)
Stand-by Consumption 0
Connecting Pipe Liquid Inch
Gas (mm)
Dimension Indoor mm
Outdoor (W x H x D)
Net Indoor Kg
Weight Outdoor
Model
LBNS3064BL
LBUS3064BL
1, 220-240, 50
6,920(27,500)
8050
3300
6,750(26,800)
7850
2700
15
12.5
32/28/23
32/28/23
2020(R-22)
22.6
3*3.5
5*1.25
L.C.D Wired
Orifice/Capillary
Ye s
24 Hour On/Off
Ye s
Ye s
Ye s
Ye s
Optional
Optional
Ye s
Optional
Ye s
Ye s
Optional
Ye s
Ye s
3/8(9.52)
5/8(15.88)
1030*350*560
870*800*320
32
72

- 9 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Power Source Ø, V, Hz
Cooling Capacity kcal/h(BTU/h)
W
Input W
Heating Capacity kcal/h(BTU/h)
W
Input W
Rated Load Amp. Cooling A
Heating A
Air Volumn Cooling(H/M/L) CMM(m3/min)
Heating(H/M/L)
Refrigerant(R-22) g
Drain Hose In. Dia mm
Main Cable No. X mm2
Connecting Cable
Remote Control Type
Refrigerant Control Type
Function Soft Dry
Timer
Self Diagnosis
Hot Start
Fan Auto
Network Function(LGAP)
Zone Control(Optional)
Central Control(Optional)
Group Control(Optional wiring)
Radio Frequency Control(Optional)
Weekly Programming
Thermistor
Drain Pump(Optional)
Auto changeover(Auto Operation: CL)
Stand-by Consumption 0
Connecting Pipe Liquid Inch
Gas (mm)
Dimension Indoor mm
Outdoor (W x H x D)
Net Indoor Kg
Weight Outdoor
Model
LBNH608RSS1
LBUH608RSS1
LBUM7280BL
LBUM7280BL
LBNM9080BL
LBUM9080BL
LBNM1080BL
LBUM1080BL
3, 380-415, 50 3, 380-415, 50 3, 380-415, 50 3, 380-415, 50
14,364(57,000) 18,143(72,000) 21,924(87,000) 25,200(100,000)
16705 21101 25497 29307
6800 7000 8800 10500
14,364(57,000) 18,143(72,000) 21,924(87,000) 26,208(104,000)
16705 21101 25497 30497
5400 6800 7400 8700
12 13 14.5 17
10 13 12.7 14.7
55/50/46 73/68/62 84/76/65 84/76/65
55/50/46 73/68/62 84/76/65 84/76/65
3800 6931 8100 8000
22.6 22.6 22.6 22.6
4*5.5 4*5.5 4*5.5 4*5.5
5*1.25 5*1.25 5*1.25 5*1.25
L.C.D Wired L.C.D Wired L.C.D Wired L.C.D Wired
Capillary/Capillary Orifice/Capillary Orifice/Capillary Orifice/Capillary
Ye s Ye s Ye s Ye s
24 Hour On/Off 24 Hour On/Off 24 Hour On/Off 24 Hour On/Off
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
No No No No
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
3/8(9.52) 3/8(9.52) 3/8(9.52) 3/8(9.52)
5/8(15.88) 3/4(19.05) 3/4(19.05) 3/4(19.05)
1230*400*590 1416*400*575 1596*450*658 1696*450*658
900*1225*370 870*1060*320 900*1,220*370 900*1,220*370
60 58 84 95
103 180 185 190

- 10 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Power Source Ø, V, Hz
Cooling Capacity kcal/h(BTU/h)
W
Input W
Heating Capacity kcal/h(BTU/h)
W
Input W
Rated Load Amp. Cooling A
Heating A
Air Volumn Cooling(H/M/L) CMM(m3/min)
Heating(H/M/L)
Refrigerant(R-22) g
Drain Hose In. Dia mm
Main Cable No. X mm2
Connecting Cable
Remote Control Type
Refrigerant Control Type
Function Soft Dry
Timer
Self Diagnosis
Hot Start
Fan Auto
Network Function(LGAP)
Zone Control(Optional)
Central Control(Optional)
Group Control(Optional wiring)
Radio Frequency Control(Optional)
Weekly Programming
Thermistor
Drain Pump(Optional)
Auto changeover(Auto Operation: CL)
Stand-by Consumption 0
Connecting Pipe Liquid Inch
Gas (mm)
Dimension Indoor mm
Outdoor (W x H x D)
Net Indoor Kg
Weight Outdoor
Model
LBNH608RSS3
LBUH608RSS3
LBUM7281BL
LBUM7280BL
LBNM9081BL
LBUM9080BL
LBNM1081BL
LBUM1081BL
3, 380-415, 50 3, 380-415, 50 3, 380-415, 50 3, 380-415, 50
14,364(57,000) 18,143(72,000) 21,924(87,000) 25,200(100,000)
16705 21101 25497 29307
6800 7000 8800 10500
14,364(57,000) 18,143(72,000) 21,924(87,000) 26,208(104,000)
16705 21101 25497 30497
5400 6800 7400 8700
12 13 14.5 17
10 13 12.7 14.7
55/50/46 73/68/62 84/76/65 84/76/65
55/50/46 73/68/62 84/76/65 84/76/65
3800 6931 8100 8000
22.6 22.6 22.6 22.6
4*5.5 4*5.5 4*5.5 4*5.5
5*1.25 5*1.25 5*1.25 5*1.25
L.C.D Wired L.C.D Wired L.C.D Wired L.C.D Wired
Capillary/Capillary Orifice/Capillary Orifice/Capillary Orifice/Capillary
Ye s Ye s Ye s Ye s
24 Hour On/Off 24 Hour On/Off 24 Hour On/Off 24 Hour On/Off
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
No No No No
Optional Optional Optional Optional
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
Optional Optional Optional Optional
Ye s Ye s Ye s Ye s
Ye s Ye s Ye s Ye s
3/8(9.52) 3/8(9.52) 3/8(9.52) 3/8(9.52)
5/8(15.88) 3/4(19.05) 3/4(19.05) 3/4(19.05)
1230*400*590 1416*400*575 1596*450*658 1696*450*658
900*1225*370 870*1060*320 900*1,220*370 900*1,220*370
60 58 84 95
103 180 185 190

- 11 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Dimensions
1. Indoor
"D" "F"
"X" "Y"2323
LIQUID
LINE
SUCTION
LINE
"C"
"B"
"A"
"G"
"E"
169
"T"
"W"
"S"
250
"J" "K" "L" "K"
"Q"
"P"
"R"
"M"
"N"
"M"
"N"
"J" "K" "L" "K"
"X"
"A"
"S"
250
"P"
"E"
"Q"
"G"
"T"
169
"R"
LIQUID
LINE
SUCTION
LINE
"B" "D"
23 23"Y"
"C"
"F"
"V" "W"
(30K/36K)
(42K/48K)
(72K/90K/100K)
"A" "B" "C" "D" "E" "F" "G" "J" "K" "L" "M" "N" "P" "Q" "R" "S" "T" "V" "W" "X" "Y"
MODEL NO
LBNS3061BL
LBNK4261BL/LBNK4263BL
LBNK4881BL
LBNK4882BL/LBNK4883BL
890
1040
1040
1040
1120
350
350
350
350
400
560
560
560
560
560
253
282
282
282
305
482
712
712
712
712
282
282
282
282
327
718
868
868
868
935
168
366
131
131
171
234
234
250
250
234
-
-
210
210
239
170
170
170
170
183
163
165
161
161
165
798
934
934
934
1014
798
937
937
937
1014
-
548
548
548
567
40
40
40
40
67
120
120
120
120
130
22
22
22
22
22
79
79
79
79
84
79
79
79
79
84
514
514
514
514
533
"A" "B" "C" "D" "E" "F" "G" "J" "K" "L" "M" "N" "P" "Q" "R" "S" "T" "V" "W" "X" "Y"
MODEL NO
LBNM7280BL/LBNM7281BL
LBNM9080BL/LBNM9081BL
LBNM1080BL/LBNM1081BL
1415
1596
1696
400
450
450
580
658
658
303
303
303
833
835
835
327
377
377
1221
1403
1403
258
348
348
300
300
300
228
230
230
182
219
219
165
185
185
1327
1504
1504
1327
1504
1504
567
-
-
67
80
80
130
190
190
22
22
22
78
78
78
1351
1351
1532
533
612
612
LBNS3062BL/LBNS3063BL
LBNS3064BL
LBNK3661BL/ABNH366KSA0

- 12 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
"A" "B" "C" "D" "E" "F" "G" "J" "K" "L" "M" "N" "P" "Q" "R" "S" "T" "V" "W" "X" "Y"
MODEL NO
LBNH608RSS1/LBNH608RSS3
1358 400 652 294 1004 303 1093 215 276 242 172 177 1270 1281 1475 31 105 26 221 1230 590

- 13 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
2. Outdoor Unit
Type: A Type: B Type: C
b
a
c
b
a
c
c
b
a
Model No. a b c TYPE
LBUS3061BL/LBUS3062BL/LBUS3064BL 870 320 800 A
LBUK3660BL 870 320 800 A
ABUH366KSB0 870 320 1060 B
LBUK4260BL/LBUK4262BL 900 370 1220 B
LBUK4880BL/LBUK4882BL 900 370 1220 B
LBUH608RSS1/LBUH608RSS3 900 370 1220 B
LBUM7280BL 1245 650 930 C
LBUM9080BL 1245 650 930 C
LBUM1081BL 1245 650 930 C
(Unit: mm)

Refrigeration Cycle Diagram
- 14 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Heat Pump
ORIFICE
(Capillary only
for 60k Btu)
ORIFICE
(Only for
60k Btu)
HP
•If 60K Model is installed at a distance of 15m, 525g of refrigerant should be added
(15-7.5) x 70g = 525g
30k Btu/h 5/8" 3/8" 7.5 30 5 15 70
36k Btu/h 5/8" 3/8" 7.5 30 5 15 50
42k Btu /h 3/4'' 3/8" 7.5 30 5 15 70
48k Btu /h 3/4'' 3/8" 7.5 30 5 15 70
60k Btu /h 3/4'' 3/8" 7.5 30 5 15 70
72k Btu /h 1'' 1/2" 7.5 25 5 20 70
90k Btu /h 9/8'' 5/8" 7.5 30 5 20 90
100k
Btu /h 9/8'' 5/8" 7.5 30 5 20 100
Capacity
Gas Liquid
Elevation B(m)
Piping Length
A(m)
* Additional
Refrigerant
(g/m)
Pipe Size (Diam-
eter: Ø)
inch
Standard
Standard
Max.
Max.
Model Name Orifice Number
LBNS3061BL/LBNS3062BL/LBNS3063BL/LBNS3064BL
63
LBNK3661BL 62
LBNK3663BL TBA
LBNK4261BL 74
LBNK4262BL/LBNK4263BL 72
LBNK4881BL 86
LBNK4882BL/LBNK4883BL 90
LBNM7280BL/LBNM7281BL 98
LBNM9080BL/LBNM9081BL 84
LBNM1080BL/LBNM1081BL 104
Orifice Number

- 15 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Wiring Diagram
Model : LBNS3061BL+LBUS3061BL, LBNS3062BL+LBUS3062BL,LBNS3063BL+LBUS3062BL
LBNS3064BL+LBUS3064BL
1.1 Indoor(LBNS3061BL/3062BL)
1.2 Indoor(LBNS3063BL/LBNS3064BL)
INDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
OR
OR
BR
BL
RD
BK
BL WH GY
BL BL
BR
GN/YL
COMP
4 WAY
FUSE
250V10A
ROOM.
THERMISTOR
PIPE
THERMISTOR
RF REMOTE
CONTROL
FLOAT S/W
REMOTE
CONTROL
ZONE
CONTROL
OPTIONAL
EXTRA
TERMINAL
BLOCK
TO OUTDOOR UNIT
3854A20172T
3(L) 4(N) 5 6 7
TELE
CONTROL
GN/YLGN/YL

2.Outdoor(LBUS3061BL/3062BL/3064BL)
- 16 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
78
1TM
240V 1Ø, 50Hz
POWER SUPPLY
BK
52C
Outdoor Unit Wiring Diagram
L1 L2
T1 T2
A2
A1
BK
WH
BK
52F1 12
34
56
WH
TIMER
BK
WH
YL
YL
BL
BL
WH
F1
BK
WH
WH
WH
C TH
20SV
52S,52C
Tmo
TM
52F1
Cr
CM
Co
FMo
F1
D.P
CH1
Cs
THERMISTOR FOR PIPE TEMP.
REVERSING COIL
MAGNECTIC CONTACTOR
TERMINAL BLOCK
MAIN TERMINAL BLOCK
RELAY FOR FMo
RUN CAPACITOR FOR CM
COMPRESSOR
RUN CAPACITOR FOR FMo
OUTDOOR FAN MOTOR
FUSE (250V, 5A)
DEICER PCB
CRANK CASE HEATER FOR CM
START CAPACITOR FOR CM
P/NO : 3854A20026V
20SV
WH
BK
RD
BL
BK
BK
WH
BK
BK
WIRING OF FIELD
(CONNECTING WIRE)
GN/YL Tmo
To the indoor unit
WH
GN/YL
23
LN
1
2
3
4
5
6
BK
BK
BK
BK
YL
YL
YL
BK
RD
WH RD
RD
OR
RC
S
CM
Cr
FMo
BK BK
BKBK
WH
52S
REACTOR
A2
A1
T3
L3
T2
L2
NOTE
BL : BLUE
BK : BLACK
BR : BROWN
RD : RED
WH : WHITE
YL : YELLOW
OR : ORANGE
GN/YL : GREEN/YELLOW
TNS
NC NO NC NO
C TH
D.P

- 17 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Model : LBNK3661BL+LBUK3660BL, ABNH366KSB0+ABUH366KSA0
1.1 Indoor(LBNK3661BL)
1.2 Indoor(ABNH366KSB0)
INDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
OR
OR
BR
BL
RD
BK
BL WH GY
BL BL
BR
GN/YL
COMP
4 WAY
FUSE
250V10A
ROOM.
THERMISTOR
PIPE
THERMISTOR
RF REMOTE
CONTROL
FLOAT S/W
REMOTE
CONTROL
ZONE
CONTROL
OPTIONAL
EXTRA
TERMINAL
BLOCK
TO OUTDOOR UNIT
3854A20172T
3(L) 4(N) 5 6 7
TELE
CONTROL
GN/YLGN/YL

- 18 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
78
1TM
240V 1Ø, 50Hz
POWER SUPPLY
BK
52C
Outdoor Unit Wiring Diagram
L1 L2
T1 T2
A2
A1
BK
WH
BK
52F1 12
34
56
WH
TIMER
BK
WH
YL
YL
BL
BL
WH
F1
BK
WH
WH
WH
C TH
20SV
52S,52C
Tmo
TM
52F1
Cr
CM
Co
FMo
F1
D.P
CH1
Cs
THERMISTOR FOR PIPE TEMP.
REVERSING COIL
MAGNECTIC CONTACTOR
TERMINAL BLOCK
MAIN TERMINAL BLOCK
RELAY FOR FMo
RUN CAPACITOR FOR CM
COMPRESSOR
RUN CAPACITOR FOR FMo
OUTDOOR FAN MOTOR
FUSE (250V, 5A)
DEICER PCB
CRANK CASE HEATER FOR CM
START CAPACITOR FOR CM
P/NO : 3854A20026W
20SV
WH
BK
RD
BL
BK
BK
WH
BK
BK
WIRING OF FIELD
(CONNECTING WIRE)
GN/YL Tmo
To the indoor unit
WH
GN/YL
23
LN
1
2
3
4
5
6
BK
BK
BK
BK
YL
BK
YL
YL
BK
RD
WH RD
RD
OR
RC
S
CM
Cr
Cs
FMo
BK BK
BKBK
WH
52S
REACTOR
A2
A1
T3
L3
T2
L2
NOTE
BL : BLUE
BK : BLACK
BR : BROWN
RD : RED
WH : WHITE
YL : YELLOW
OR : ORANGE
GN/YL : GREEN/YELLOW
TNS
NC NO NC NO
C TH
D.P
2.Outdoor(LBUK3660BL/ABUH366KSB0)

- 19 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Model : LB-K4260/4262BL/4263BL
1.1 Indoor(LBNK4261BL/4262BL)
1.2 Indoor(LBNK4263BL)
INDOOR WIRING DIAGRAM
INDOOR
MOTOR
DRAIN
PUMP
OR
OR
BR
BL
RD
BK
BL WH GY
BL BL
BR
GN/YL
COMP
4 WAY
FUSE
250V10A
ROOM.
THERMISTOR
PIPE
THERMISTOR
RF REMOTE
CONTROL
FLOAT S/W
REMOTE
CONTROL
ZONE
CONTROL
OPTIONAL
EXTRA
TERMINAL
BLOCK
TO OUTDOOR UNIT
3854A20172T
3(L) 4(N) 5 6 7
TELE
CONTROL
GN/YLGN/YL

- 20 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
OUTDOOR UNIT WIRING DIAGRAM P/No.:3854A20135J
F1
S.S(A)
S.S(B)
52C(A)
52C(B) 52F1
D.P
TNS
COMP
49C
RS
Tm
1(L)
F1,2
49C
FMo
49FMo
FUSE(250V,5A)
INTERNAL O.L.P FOR COMP.
OUTDOOR FAN MOTOR
INTERNAL T.P FOR FMo
DEICER PCB.
THERMISTOR FOR PIPE TEMP.(OUTDOOR)
4-WAY VALVE COIL
START CAPACITOR FOR FMo
RELAY FOR COMP
RELAY FOR FMo
SOFT START PCB.
RUN CAPACITOR FOR FMo
MAIN TERMINAL BLOCK
TERMINAL BLOCK FOR CONNECTING
3 PHASE DETECTOR
5 SEC. DELAY TIMER
D.P
C TH
20SV
Cs
52C
52F1
S.S
Cr
Tm
Tmo
3.P.D
T.D
2(N)
C
COMP
49C
RS
C
POWER SUPPLY
1Ø,230V,50Hz~ FMo
49FMo
FMo
49FMo
20SV 20SV
NOTE
TO INDOOR UNIT
CHF
Cs(A)
Cr(A)
Cr(B)
T.D
Tmo
F2
BK
BL
BK
NC NO
CTH
BK
RD
RD
BK
WH
WH
BK
BL : BLUE
BK : BLACK
BR : BROWN
OR : ORANGE
RD : RED
WH : WHITE
YL : YELLOW
GN/YL : GREEN/YELLOW
BR
BR
BL
BL
BR RD BK BL
BK
OR
BK
OR YL
BK
BK BK BK BK
1(L) 2(N) 3 4 5
OR OR YL
YL
YL
RD
RD
BK
CHF
WH
BK BK BK
WH
WH
WH
WH
WH
WH
WH
WH WH WH
WH
YL
YL
TB3
TB5
TB1
TB2
TB6
CN-Power
CN-Power
RY-
Comp
4
3
4
4
1
3
2
56
78
3
4
3
4
3
RY-
S/Cap
Cs(B)
RY-
Comp
RY-
S/Cap
2.Outdoor(LBUK4260BL/4262BL)