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