LG AP-Z Series - Page 15

Service Manual 15
Wiring Diagram
(3) AP-Z728FA0
INDOOR UNIT CIRCUIT DIAGRAM
CAPACITOR
BR
OR
BK
BL
RD
YL
INDOOR
FAN MOTOR
RY3
RY2
RY1
SUB PCB ASM
FUSE
(10A)
DISPLAY PCB ASM
MAIN PCB ASM
CN1
CN2
ROOM
TH
PIPE
TH
CN3
TMi
YL
BL
2
1
CONNECT TO CONTACT "T" "N" OF
OUTDOOR TERMINAL BLOCK "TM"
Ry3
Ry6
Ry7
BL
BK WH RD
123
654
CONNECT TO OUTDOOR
(HOUSING ASM)
P/NO: 3854A20410C
ELECTRIC HEATER PART
PIPE TH
ROOM TH
Ry3
Ry6
Ry7
TMi
TS
TF
THERMOSTAT
THERMAL FUSE
RELAY FOR HEATER
RELAY FOR HEATING
TERMINAL BLOCK(INDOOR)
THERMISTER FOR EVA TEMP.
THERMISTER FOR EVA INDOOR TEMP
RELAY FOR COMP
NOTE
BK:BLACK
BL:BLUE
BR:BROWN
YL :YELLOW
WH:WHITE
RY-1
PTC HEATER PTC HEATER
RY-2
TMi
BL
BR
BR
TS TF TS TF
BL
3456
POWER SUPPLY
(CONNECT CONTACT "R","N" OF OUTDOOR TERMINAL BLOCK "TM")
3854A20317C
OUTDOOR UNIT WIRING DIAGRAM
BR
BK
BK
BK
BK
TNS
NC NO NC NO
C TH
D.P
WH
YL
BL
BL
BL
BL
BL
RD
20SV
BR
BR
TO INDOOR UNIT
BR
1(L)
2(N)
3
4
5
6
BL
BK
GN/YL
RD
BL
12
34
56
78
TB1
TB2
52F1
3.P.D
RST
AB
WH
WH
RD
RD
F2
BL
YLYL BRBR BKBK OROR YLYL BRBR BK
BK
BR
BL
RD
YL
WH RD
BK
OROR
R
POWER SUPPLY
3Ø,380-415V~,50Hz
TERMINAL(4P)
TM
TMo
Co
FMo
49FMo
F1,F2,
49C
FMo
49FMo
FUSE(250V,5A)
INTERNAL O.L.P FOR COMP.
OUTDOOR FAN MOTOR
INTERNAL T.P FOR FMo
52C
52F1
TM
TMo
MAGNETIC CONTACTOR
RELAY FOR FMo
MAIN TERMINAL BLOCK
TERMINAL BLOCK FOR CONNECTING
3.P.D
T. D
3 PHASE DETECTOR
5 SEC. DELAY TIMER
Co
D.P
C TH
20SV
RUN CAPACITOR FOR FMo
DEICER PCB
THERMISTOR FOR PIPE TEMP.(OUTDOOR)
REVERSING COIL
FMo
49FMo
A-COMP
49C
B-COMP
49C
Co
U
V
W
U
V
W
BK WH RD
STN
BL
GN/YL
A-52C
A2
21
22
1
2
3
4
5
6
A1
A2
21
22
A1
B-52C
1
2
3
4
5
6
T. D
RD
F1