LG LP-10091CL/XL, Service Manual

Page: 12 / 79

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4.4 LP-15091XL
• INDOOR UNIT
P/NO: 3854A20026E
NOTE
TD
Ci1,2
FMi1,2
Tmi
THi
RY1,2,3
5 SECOND DELAY TIMER
CAPACITOR(INDOOR)
WIRING DIAGRAM
INDOOR FAN MOTOR
TERMINAL BLOCK(INDOOR) THERMISTOR FOR INDOOR TEMP.
RELAY FOR Fmi1,2 Ry4
Ry5 RELAY FOR COMP.
RELAY FOR HEATER
BL
BK
BR
OR BLUE
BLACK
BROWN
ORANGE :
:
:
: RD
WH
YL
GN/YL RED
WHITE
YELLOW
GREEN/YELLOW :
:
:
:
1. The basic wiring of this product is 3ø,220V
2. If you want to change the running voltage to 380V
change the wiring of electric heater and outdoor unit
3. The cross-sectional area of conductors for power supply(electric heater)
must be over 38mm
2
POWER SUPPLY
3ø,220V,60Hz
(3ø,380V,60Hz)
CONNECT TO
OUTDOOR UNIT #1
CONNECT TO
OUTDOOR UNIT #2
CONNECT TO CONTACT
"R","N" OF Tmo1 (OUTDOOR #1)
(1ø, 220V)
BK
BK
RD
YL
CN3
CN2 RY5
TD
RD
RD
BR
YL
BK OR BL BK OR BL
RY3
RY2
RY1
FUSE
(250V/20A)
BR
YL
WH
BK
RD
WH
BK 3
2
1
RY4 CN1
DISPLA
Y
PCB ASM
BL
BK
SUB PCB ASM
Ci2
FMi2 FMi1
Ci1
THi
BK
6
5
4
3
2
1
BL
Tmi
MAIN PCB ASM
R
S
T
BK
BR BL
4
3
2
1
52H1
52H2
WH
RD
BK
BL BR
EH
RD RD
THERMAL PROTECTOR
THERMAL FUSE
6
5
410
1112
THERMAL FUSE
THERMAL FUSE
EH
THERMAL FUSE
3
7 8 9
2
1
THERMAL FUSE
THERMAL FUSE
THERMAL PROTECTOR
RD
1 2 3
WH
RD
Field Wiring
( Caution )
1. Basic wiring is 3ø,3wires,220V.
2. For changing the running voltage to 380V.
please change the wiring by the next steps
1st) Remove the "a" wires from the "R" of
Tmo1(Outdoor unit #1,2),and connect the
wire to the "N" of Tmo1(Outdoor unit #1,2).
2nd) Remove the "b"wire from "1" of 52C
(Outdoor unit #1,2), and connect the wire
to "N" of Tmo1
3rd) Change the compressor
wires like an example.
U
X
Y
V
W
Z
U
X
Y
V
W
Z
Power supply
3ø,220V,60Hz
3ø,380V,60Hz
Current(A)
35
24.2
Time(sec.)
5
5
3. For setting the E.O.C.R current
4. Check list before test run
1st) Reconfirm the wiring of compressor
and motor of indoor unit
2nd) Fasten the screw of "Tmo1" one more.
NOTE
CH
CO1,2
F1,2
FMo1,2
51C
Tmi
Tmo1,2
52C
63H
63L CRANKCASE HEATER
CAPACITOR FOR FAN
FUSE
OUTDOOR FAN MOTOR
E.O.C.R FOR COMPRESSOR
TERMINAL BLOCK(INDOOR)
TERMINAL BLOCK(OUTDOOR)
MAGNATIC CONTACTOR FOR COMP.
HIGH PRESSURE SWITCH
LOW PRESSURE SWITCH
NOTE
BL
BK
BR
OR
GN/YL :
:
:
:
: BLUE
BLACK
BROWN
ORANGE
GREEN/YELLOW RD
WH
YL
GN :
:
:
: RED
WHITE
YELLOW
GREEN
OUTDOOR #1
FMo1 FMo2 FMo1 FMo2
OUTDOOR #2
OUTDOOR ELECTRIC CIRCUIT
P/NO: 3854A20026F
3ø,3 wires,220V. 3ø,4 wires,380V.
3ø,4WIRES
380V 60Hz
POWER SUPPLY
Tmo1
OR
YL BR OR BK YL BR OR BK
RD
RD
BK
WH
WH
F2
F1
BK BK 1 3 5 31
2 4 6 32 B
A
TO "Tmi 1,2" OF
INDOOR UNIT
RD WH
BK
BK
BL
RD
RD WH BK
COMPRESSOR
L1L2
BK
BK
BK
BK
WH
RD
WH
WH
U
V W
X
Y
Z
Tb Ta
Tc
Co1
b
a
Co2
52C
63H
51C Tmo2
CONNECT TO
INDOOR UNIT
1
2
3
4
5
6
63L
3ø,3WIRES
220V 60Hz
POWER SUPPLY
R S T N
CH
BK
BK
To"4"of Tmi
(Indoor unit)
Tmo1
OR
YL BR OR BK YL BR OR BK
RD
RD
BK
WH
WH
F2
F1
BK BK 1 3 5 31
2 4 6 32 B
A
RD WH
BK
BK
BL
RD
RD WH BK
COMPRESSOR
L1L2
BK
BK
BK
WH
WH
U
V W
X
Y
Tb Ta
Tc
Co1
b
a
Co2
52C
63H
51C
Tmo2
1
2
3
4
5
6
63L
R S T N
CH
BK
BK
4th) Change the electric heater wires.
• OUTDOOR UNIT