Haier HBU-18CF03 - Page 75

WIRED
CONTROLLER
FLOAT
SWITCH
PIPE TEMP.
0010576945
SENSOR
OUTDOOR LOW PRESSURE
SWITCH CONTROL
1
CN2
DETECTOR
2
2
1
CN24
BM
CN10
CN7
CN9
FUSE
T3.15A/250VAC
CN1
CN11CN12
CN3
CN8
TRANSFORMER
NOTE: FOR THE COOLING CAPACITY
42000BTU/h ,THE FUSE ON PC
BOARD IS T6.3A/250VAC .
W
B
B
R
Y/G
123
TO OUTDOOR UNIT
CIRCUIT DIAGRAM OF INDOOR UNIT
1¡¢
2¡¢
3¡¢
PLEASE DO NOT CHANGE THE DIP SWITCH BM ON PC BOARD
PART IS NEEDED TO BE CONNECTED WITH OUTDOOR UNIT
DASHED PART IS OPTIONAL.
B:BLACK
R:RED
BL:BLUE
W:WHITE
Y/G:YELLOW/GREEN
TEMP.:TEMPERATURE
COM
NO
NC
COM
8
B
B
W
BL
BL
W
RELAY RELAY
6
4
2
5
3
1
Y/G
CAPACITOR
FAN MOTOR
M
7
8
6
4
2
5
3
1
7
NO
NC
POWERSUPPLY
NOTES:PARTSINDASHEDFRAMESARENOT
AVAILABLEFORSOMETYPES
CIRCUITDIAGRAMOFOUTDOORUNITCIRCUITDIAGRAMOFOUTDOORUNIT
R
T
S
R
W
BL
R
R
3-PHASEDETECTOR
COM
N.O
N.C
W
W
0010576533
B:BLACKBL:BLUE
R:REDW:WHITE
Y/G:YELLOW/GREEN
FANMOTOR
CAPACITOR
TOINDOORUNIT
LOW
PRESSURE
SWITCH
COMPRESSOR VENTPROTECTOR
CAPACITOR
W
R
R
TOINDOORUNIT
3
NT
S
2
1
B
B
B
Y/G
Y/G
Y/G
Y/G
S
MAGNETIC
CONTACTOR
R
BL
B
COMPRESSOR
T
M
Y/G
FANMOTOR
M
M
W
BL
R
Commercial Air Conditioner Model: HBU-18CF03
HDU-42CF03/H HPU-42HF03
75
HDU-42CF03/H