LG LP-10091CL/XL Service Manual page 12

4.4 LP-15091XL
• INDOOR UNIT
WIRING DIAGRAM
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)
2
must be over 38mm
BR
Ci1
FMi1 FMi2
YL
BL BK OR BL BK OR
RY3
RY2
RY1
FUSE
(250V/20A)
SUB PCB ASM
Field Wiring
TD 5 SECOND DELAY TIMER
Ci1,2 CAPACITOR(INDOOR)
• OUTDOOR UNIT
OUTDOOR ELECTRIC CIRCUIT
BK
a
WH
RD
RD
b
R S T N
Tmo1
OR
BK
BK
Co1 Co2
3ø,3WIRES
220V 60Hz
POWER SUPPLY
YL BR OR BK YL BR OR BK
3ø,4WIRES
380V 60Hz
POWER SUPPLY
FMo1 FMo2
OUTDOOR #1
( 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.
BR MAIN PCB ASM
Ci2
YL
BK
THi
BK
RY4
CN1
CN2 RY5
CN3
FMi1,2 INDOOR FAN MOTOR
Tmi TERMINAL BLOCK(INDOOR)
TO "Tmi 1,2" OF
INDOOR UNIT
F2
WH
F1
RD
1 3 5 31 A BK BK
2 4 6 32 B
BL
51C
BK
Tb Ta WH
L1L2
Tc
RD
BK
WH
BK WH RD
BK
BK
V W
U CH
X
Y
BK
Z
COMPRESSOR
X
Y
U
V
Z
W
3ø,3 wires,220V.
4th) Change the electric heater wires.
3. For setting the E.O.C.R current
Power supply Current(A)
3ø,220V,60Hz 35
3ø,380V,60Hz 24.2
R
POWER SUPPLY
S
3ø,220V,60Hz
T
(3ø,380V,60Hz)
RD RD 3
CONNECT TO
WH WH 2
OUTDOOR UNIT #1
BK BK 1
RD
TD
BK
BK
6
RD
5
BL CONNECT TO
4
OUTDOOR UNIT #2
3
YL
CONNECT TO CONTACT
2
"R","N" OF Tmo1 (OUTDOOR #1)
BL
1
(1ø, 220V)
Tmi
THi THERMISTOR FOR INDOOR TEMP.
RY1,2,3 RELAY FOR Fmi1,2
BK
a
WH
RD
b
WH
Tmo1 R S T N
OR
Co1
Tmo2
BK
1
CONNECT TO
WH
YL BR OR BK
2
INDOOR UNIT
RD
3
4
FMo1
5
6
OUTDOOR #2
4. Check list before test run
1st) Reconfirm the wiring of compressor
X
Y
U
V and motor of indoor unit
Z
W
2nd) Fasten the screw of "Tmo1" one more.
3ø,4 wires,380V.
NOTE
BL : BLUE
:
BK BLACK
BR : BROWN
Time(sec.)
OR : ORANGE
5
GN/YL
5
– 12 –
P/NO: 3854A20026E
52H1
BK
WH
RD
BR BL
4
3
2
1
52H2
BK
WH
RD
BL BR
1 2 3
RD
NOTE
BL : BLUE
BK : BLACK
BR : BROWN
OR : ORANGE
Ry4 RELAY FOR COMP.
Ry5 RELAY FOR HEATER
P/NO: 3854A20026F
F2
WH
F1
RD
1 3 5 31 A BK BK
2 4 6 32 B
BK
BK
Co2
BL
51C
Tb Ta
YL BR OR BK
L1L2
Tc
RD
BK
FMo2
BK WH RD
V W
U
X
Y
COMPRESSOR
NOTE
CH
CO1,2
F1,2
FMo1,2
51C
RD : RED
Tmi
:
WH WHITE
Tmo1,2
YL : YELLOW
52C
GN : GREEN
63H
:
GREEN/YELLOW
63L
THERMAL FUSE
1
THERMAL FUSE
EH
2
THERMAL FUSE
3
7 8 9
THERMAL FUSE
11 12
4 10
THERMAL FUSE
5 EH
THERMAL FUSE
6
THERMAL PROTECTOR
RD
RD
THERMAL PROTECTOR
RD : RED
WH : WHITE
YL : YELLOW
GN/YL : GREEN/YELLOW
RD WH
Tmo2
BK
1
WH
2
3
WH
4
5
6
BK
BK
CH
BK
To"4"of Tmi
(Indoor unit)
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