Post on 18-Jan-2019
Ceiling Concealed Duct –Type Air ConditionerSVC MANUAL(Exploded View)MODEL : ABNH246HLAD [UB24 NHD] ABNH306GLAD [UB30 NGD] ABNH366GLAD [UB36 NGD] ABNH426RLAD [UB42 NGD] ABNH486RLAD [UB48 NGD] ABNH606RLAD [UB60 NGD]
CAUTIONBefore Servicing the unit, read the safety precautions in General SVC manual.Only for authorized service personnel.
Internal Use Only
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- 2 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
1. SpecificationIndoor
Air Circulation H/M/L CMM (CFM)External Static Pressure mmAqSetting temperature range(cool/heat) ˚CFan motor Output WFan Model
No. of PolesInput WRunning Current ACapacitor Ø F/VacTypeNo. Used / Diameter EA/inch (mm)
Noise Level (Sound Press, 1.5m) H/M/L dB (A)
Temperature controllerCoil Tube Size (OD) inch (mm)
Fin per inchNo. of Rows & Column
Dehumidification Rate l/hDimensions (W*H*D) inch (mm)Net Weight Kg (lbs)Piping Connection Liquid inch (mm)
Gas inch (mm)Drain hose (OD Ø) inch (mm)
Packing Dimension (W*H*D) inch (mm)Stuffing Quantity Without S/Parts 20/40ft
Indoor Unit Type Ceiling Concealed DuctModel ABNH246HLAD ABNH306GLAD ABNH366GLAD
Notes:1. Capacities are based on the following conditions:
Cooling: - Indoor Temperature 27°C(80.6°F) DB /19°C(66.2°F) WB- Outdoor Temperature 35°C(95°F) DB /24°C(75.2°F) WB- Interconnecting Piping Length 7.5m- Level Difference of Zero.
Heating: - Indoor Temperature 20°C(68°F) DB / 15°C(59°F) WB- Outdoor Temperature 7°C(44.6°F) DB / 6°C(42.8°F) WB- Interconnecting Piping Length 7.5 m- Level Difference of Zero.
2. Capacities are Net Capacities.3. Due to our policy of innovation some specifications may be changed without notification.
18/16.5/14(636/583/494) 26.5/23.20(936/812/706) 32/29/26(1130/1024/918)8 10 10
18~30 / 16~30 18~30 / 16~30 18~30 / 16~30118 211 272
IC-13450LG13C IC-13450LG13J IC-13450LG13A4 4 4
180 300 3230.92 1.34 1.426/370 6/370 6/370
Sirocco Fan Sirocco Fan Sirocco Fan1/6.97(177) 1/6.97(177) 1/6.97(177)
38/36/34 40/38/35 42/39/36
Thermistor Thermistor Thermistor0.275(7) 0.275(7) 0.275(7)
21 21 213R,10C 3R,12C 3R,10C
2.5 3.3 434.6*10.2*17.7(880*260*450) 46.5*11.7*17.7(1180*298*450) 46.5*11.7*17.7(1180*298*450)
35(77.2) 38(84) 38(84)9.52(3/8) 9.52(3/8) 9.52(3/8)15.88(5/8) 15.88(5/8) 15.88(5/8)
25.4 25.4 25.444.7*13.4*22.0(1135*340*565) 58.5*14.8*22.9(1435*375*582) 58.5*14.8*22.9(1435*375*582)
120/252 95/191 95/191
- 3 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
Air Circulation H/M/L CMM (CFM)External Static Pressure mmAqSetting temperature range(cool/heat) ˚CFan motor Output WFan Model
No. of PolesInput WRunning Current ACapacitor Ø F/VacTypeNo. Used / Diameter EA/inch (mm)
Noise Level (Sound Press, 1.5m) H/M/L dB (A)
Temperature controllerCoil Tube Size (OD) inch (mm)
Fin per inchNo. of Rows & Column
Dehumidification Rate l/hDimensions (W*H*D) inch (mm)Net Weight Kg (lbs)Piping Connection Liquid inch (mm)
Gas inch (mm)Drain hose (OD Ø) inch (mm)
Packing Dimension (W*H*D) inch (mm)Stuffing Quantity Without S/Parts 20/40ft
Indoor Unit Type Ceiling Concealed DuctModel ABNH426RLAD ABNH486RLAD ABNH606RLAD
40/35/30(1413/1236/1059) 40/35/30(1413/1236/1059) 50/45/40(1766/1413/1236)15 15 15
18~30 / 16~30 18~30 / 16~30 18~30 / 16~30431 431 431
Y002276-1 Y002276-1 Y002276-14 4 4
818 818 8183.65 3.65 3.65
15/450 15/450 15/450Sirocco Fan Sirocco Fan Sirocco Fan2/9.1(230) 2/9.1(230) 2/9.1(230)
42/40/38 44/42/40 46/44/42
Thermistor Thermistor Thermistor0.375(9.52) 0.375(9.52) 0.375(9.52)
19 19 193R,13C 3R,13C 4R,13C
5 6 6.548.4*150*23.2(1230*380*590) 48.4*150*23.2(1230*380*590) 48.4*150*23.2(1230*380*590)
60(132) 60(132) 60(132)9.52(3/8) 9.52(3/8) 9.52(3/8)15.88(5/8) 15.88(5/8) 15.88(5/8)
25.4 25.4 25.456.9*17.9*27.6(1445*455*700) 56.9*17.9*27.6(1445*455*700) 56.9*17.9*27.6(1445*455*700)
57/120 57/120 57/120
Notes:1. Capacities are based on the following conditions:
Cooling: - Indoor Temperature 27°C(80.6°F) DB /19°C(66.2°F) WB- Outdoor Temperature 35°C(95°F) DB /24°C(75.2°F) WB- Interconnecting Piping Length 7.5m- Level Difference of Zero.
Heating: - Indoor Temperature 20°C(68°F) DB / 15°C(59°F) WB- Outdoor Temperature 7°C(44.6°F) DB / 6°C(42.8°F) WB- Interconnecting Piping Length 7.5 m- Level Difference of Zero.
2. Capacities are Net Capacities.3. Due to our policy of innovation some specifications may be changed without notification.
- 4 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
2. Piping Diagrams
Heat Exchanger
Sirocco Fan
lndoor unit
Th2 Th3
Th1
:Heating
:Cooling
LOC. Description PCB Connector
Th1 Thermistor for inlet air temperature CN_ROOM
Th2 Thermistor for EVA. in temperature CN_TH1
Th3 Thermistor for EVA. out temperature CN_TH2
Model Gas (mm) Liquid(mm)
ABNH246HLAD 15.88 9.52
ABNH306GLAD 15.88 9.52
ABNH366GLAD 15.88 9.52
ABNH426RLAD 15.88 9.52
ABNH486RLAD 15.88 9.52
ABNH606RLAD 15.88 9.52
- 5 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
3. Wiring Diagrams
CN-REMOCN-PIPE1
RF-REMOTECONTROL
OPTION
CN-ROOMCN-CC
CN-DISP
CN-DPUMP
CN-POWER
CN-MOTOR
ROOM.THERMISTOR
CN-AIRC
A/CLUNIT
CENTRAL CONTROLTELE CONTROLDRY CONTACT
IN-PIPE.THERMISTOR
CN-PIPE2
OUT-PIPE.THERMISTOR
REMOTECONTROL
TO O
UTD
OO
R U
NIT
FUSE
GN/YL
RD
BL
BR
1(L)
2(N)
34
5
CN
-OU
T
CN-PTC
PTCHEATER
VENTILATIONE/HEATER
CN
-ZO
NE
ZONE
CON
TROL
CN
-FLO
AT
FLO
AT S
/W
CN-DPUMP
CN-FLOAT
CN-STEP
CN-AIRC
CN-CC CN-ROOM
ABNH246HLAD
- 6 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
CN-POWER
CN-MOTOR
CN-DPUMP
CN-ZONE
CN-FLOAT
CN-REMO
CN-AIRCCN-CC CN-PIPE2
CN-PIPE1 CN-ROOM
ABNH306GLAD/ ABNH366GLAD/ ABNH426RLAD/ ABNH486RLAD/ ABNH606RLAD
- 7 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
ABNH246HLAD/ ABNH306GLAD/ ABNH366GLAD
4. Exploded View
346810
359012
354210
552111152302
352118
330870
W0CZZ
268711
249941
336600B
267110A
267110B
Option
336600A
137214
147901
137213B
359012
137213A
437213B
567480A
567480B
567480C
437213A
Eva. OUT
Eva. IN
Air
Housing color: red
Housing color: white
Housing color: yellow
567480CTHERMISTOR 3
567480BTHERMISTOR 2
567480ATHERMISTOR 1
Eva. OUT
Eva. IN
Air
Housing color: red
Housing color: white
Housing color: yellow
567480CTHERMISTOR 3
567480BTHERMISTOR 2
567480ATHERMISTOR 1
- 8 -Copyright ©2007 LG Electronics. Inc. All right reserved.Only for training and service purposes LGE Internal Use Only
ABNH426RLAD/ ABNH486RLAD/ ABNH606RLAD
1523
02
2671
10A
2687
11B
2671
10B
Opt
ion
3468
10
3590
12
3590
12
3542
10
2499
41
W30
01
3308
70
W0C
ZZ
5674
80A
5674
80B 56
7480
C
4372
12A
4372
12B13
7214
3366
00B
3366
00A
3366
00B
3366
00A
Eva. OUT
Eva. IN
Air
Housing color: red
Housing color: white
Housing color: yellow
567480CTHERMISTOR 3
567480BTHERMISTOR 2
567480ATHERMISTOR 1
Eva. OUT
Eva. IN
Air
Housing color: red
Housing color: white
Housing color: yellow
567480CTHERMISTOR 3
567480BTHERMISTOR 2
567480ATHERMISTOR 1
P/NO : MFL42999301 JANUARY, 2008