Haier HBU-18HF03 Manual page 221

HBU-42HF03, HCFU-42HF03, HPU-42HF03
B
3-PHASE DETECTOR
B:BLACK BL:BLUE BR:BROWN GR:GRAY
R:RED
HDU-28CF03
R: RED
W: WHITE
Y/G: YELLOW/GREEN
OUTDOOR CIRCUIT DIAGRAM
MAGNETIC
CRANKCASE
CONTACTOR
HEATER
TERMINAL
B BLOCK
Y/G
R S T N
TERMINAL
TERMINAL
BLOCK
BLOCK
POWER SUPPLY
NOTE:THE L N ON TERMINAL BLOCK IS EQUAL TO 1 2.
PARTS IN DASHED FRAMES ARE NOT AVAILABLE FOR SOME TYPES.
W:WHITE Y/G:YELLOW/GREEN
WIRING DIAGRAM OF OUTDOOR UNIT
MAGNETIC
B CONTACTOR
TERMINAL
BLOCK
B
Y/G
B Y/G
TERMINAL
BLOCK
L N
POWER SUPPLY
B: BLACK
NOTE:DASHED PART IS OPTIONAL
Wiring diagram and PCB photo
4-WAY VALVE
RELAY
2 4 6 8
1 3 5
7
U(R)
M
V(S)
GR GR
W(T)
COMP.
Y/G
GR
B
W
BL
B
Y/G
W B R BR GR Y/G
L N 3 4 5
CONNECT TO INDOOR UNIT
CONNECT TO INDOOR UNIT
R
M
R S
C
M
COMP.
B
B
R
Y/G
B
TERMINAL
B R Y/G
BLOCK
1 2 3
TO INDOOR UNIT
-221-
0010576947
FAN MOTOR
M
CAPACITOR
B Y/G
FAN MOTOR
M
CAPACITOR
Y/G
B
BR
DEFROST
LOW
TEMP.
PRESSURE
SENSOR
SWITCH
COMP.
TEMP.
SENSOR
B
W
0010576973
FAN MOTOR
CAPACITOR
Y/G