Haier HBU-18CF03 Service Manual page 75

HDU-42CF03/H
8
6
4
2
B
CAPACITOR
NOTE: FOR THE COOLING CAPACITY
B:BLACK
W:WHITE
Y/G:YELLOW/GREEN
TEMP.:TEMPERATURE
1¡¢
2¡¢
3¡¢
B
W
COM N.O
3-PHASE DETECTOR
R S
BL
W
B:BLACK BL:BLUE
R:RED W:WHITE
Y/G:YELLOW/GREEN
NOTES:PARTS IN DASHED FRAMES ARE NOT
AVAILABLE FOR SOME TYPES
75
Commercial Air Conditioner
CIRCUIT DIAGRAM OF INDOOR UNIT
WIRED
CONTROLLER
B
CN8
W
BL
7
8
7 T3.15A/250VAC
5
6
5
COM
COM
CN3
3
3 4
FUSE
NO NO
1
1
NC 2 NC
RELAY RELAY
BL
W
TRANSFORMER
B
M
Y/G
FAN MOTOR
42000BTU/h ,THE FUSE ON PC
BOARD IS T6.3A/250VAC .
R:RED
BL:BLUE
PLEASE DO NOT CHANGE THE DIP SWITCH BM ON PC BOARD
PART 2 IS NEEDED TO BE CONNECTED WITH OUTDOOR UNIT
DASHED PART IS OPTIONAL.
1
CIRCUIT DIAGRAM OF OUTDOOR UNIT CIRCUIT DIAGRAM OF OUTDOOR UNIT
COMPRESSOR
M
T
R
S
W R
BL
N.C
W BL
R
T
R
R S T
Y/G
POWER SUPPLY
0010576945
FLOAT
PIPE TEMP.
SWITCH
SENSOR
CN12 CN11
CN1
CN2
BM
CN24
OUTDOOR LOW PRESSURE
SWITCH CONTROL
CN10
CN9
CN7
B R
W
Y/G
1 2 3
TO OUTDOOR UNIT
Y/G
MAGNETIC
CONTACTOR
B
R
W
R
B
Y/G
N 1 2 3
TO INDOOR UNIT
Model: HBU-18CF03
HDU-42CF03/H HPU-42HF03
1
DETECTOR
2
0010576533
Y/G
FAN MOTOR
M
CAPACITOR
FAN MOTOR
M
CAPACITOR
Y/G
LOW
PRESSURE
SWITCH
B
TO INDOOR UNIT