HDU-28HF03
HDU-
03
42HF
/H
WIRED
CONTROLLER
FLOAT
SWITCH
PIPE TEMP.
0010576943
SENSOR
OUTDOOR LOW PRESSURE
SWITCH CONTROL
OUTDOOR DEFROST TEMP.
SENSOR
CONTROL
1
CN2
DETECTOR
2
3
3
3
2
1
CN17
BM
CN18
CN10
CN7
CN15
CN14
CN9
FUSE
T3.15A/250VAC
CN1
CN11
CN12
CN3
CN8
Y/G
M
L N
TRANSFORMER
CAPACITOR
FOR SOME TYPES, THERE ARE NO PARTS IN DASHED FRAMES .
FAN MOTOR
W
B R
BR
GR
Y/G
L
N 3
4
5
2
CIRCUIT DIAGRAM OF INDOOR UNIT
1
、
2
、
3
、
4
、
PLEASE DO NOT CHANGE THE DIP SWITCH BM ON THE PCB BOARD
。
PARTS ARE NEEDED TO BE CONNECTED WITH OUTDOOR UNIT
DASHED PART IS OPTIONAL.
5
、
THE L N ON TERMINAL BLOCK IS EQUAL TO 1 2.
B:BLACK GR:GRAY
BR:BROWN R:RED
W:WHITE
Y/G:YELLOW/GREEN
TEMP.:TEMPERATURE
WIRING DIAGRAM OF INDOOR UNIT
0010576946
WIRED
CONTROLLER
CN12
PIPE
TEMPERATURE
SENSOR
CN1
CN18
CN10
FLOAT
DETECTOR
CN11
CN14
L
N
CN3
CN8
CN9
T3.15A/250VAC
BL
TERMINAL
BLOCK
BL
BL
R
1
2
R
R
M
B
B
W
1
BR
4
GR
5
R
3
B
2
B
8
8
8
4
4
4
7
7
7
W
Y/G
Y/G
Y/G
W
FC
FAN SPEED
CONTROLLER
CN7
CN15
FUSE
TRANSFORMER
RELAY
CN2
CN17
OUTDOOR PRESSURE
SWITCH CONTROL
OUTDOOR DEFROST
SENSOR CONTROL
FAN MOTOR
CAPACITOR
NOTES
:
1
、
PART IN DASHED FRAME IS OPTIONAL.
2
、
PARTS IN DASHED FRAME ARE NEEDED TO BE
CONNECTED WITH OUTDOOR UNIT
3
、
PLEASE DO NOT CHANGE THE DIP SWITCH BM ON
THE PCB
。
B:BLACK
GR:GREY
BR:BROWN
R:RED
BL:BLUE
W:WHITE
Y/G:YELLOW/GREEN
1
2
BM
1 2 3 4
TO OUTDOOR UNIT
TO OUTDOOR UNIT
-208-
Wiring diagram and PCB photo