Haier HDU-60CA03T3 Service Manual page 37

For HDU-42CA03T3/H,HDU-50CA03T3/H,HDU-60CA03T3/H
B
RELAY
B
BL
W: WHITE B：BLACK
R：RED BL：BLUE
Y/G:YELLOW/GREEN
TRANS.:TRANSFORMER
TRANSFORMER
CN1
HIGH PRESSURE SWITCH
CN2
CN10
LOW PRESSURE SWITCH
CN3
OUTDOOR AMBIENT SENSOR
CN11
COMPRESSOR VENT SENSOR
S
L3
R BL
W
L2
R
L1
B
T3.15A/250VAC
N
Y/G
N 1 2
R S T
Y/G:YELLOW/GREEN
R:RED W:WHITE
POWER SUPPLY
BL:BLUE B:BLACK
Commercial Air Conditioner
CIRCUIT DIAGRAM OF INDOOR UNIT
WIRED
ONE CUT-OFF PROTECTOR
CONTROLLER
HEATER
RESUMBLE PROTECTOR
CN19
CN20 CN21 DIP-SWITCH
BM
CN8
W
T6.3A/250VAC
CN3
BL
FUSE
TRANS.
BL
B
B
BL
W
R W
NOTE：
M
FAN MOTOR
THIS UNIT CAN REALIZE THE
SELECTION OF HIGH/MIDDLE/LOW
Y/G
ESP BY CONNECT THE BLUE/RED/WHITE INDOOR MOTOR
CAP.
PORT IN THE DASHED FRAME.
NOTE:
1、THE DETECTOR IS OPTIONAL,WHICH IS USED TO REALIZE REMOTE CONTROL FUNCTION.
2、DASHED PARTS ARE SELECTED ACCORDING TO THE DIFFERENT MODELS.
3、THE DIP-SWITCH HAS BEEN SETTED WHEN OUT OF FACTORY,PLEASE DO NOT CHANGE.
4、 CN11 IS SHORT CONNECTED IF THE UNIT IS WITHOUT FLOAT SWITCH.
CIRCUIT DIAGRAM OF OUTDOOR UNIT
CN13
CT
CN14
CN7
FUSE
CN4
Y/G
3
NOTES:
THE MARK R-S-T IS EQUAL TO U-V-W,T1-T2-T3 。
TO INDOOR UNIT
37
0150500674
FLOAT
PIPING TEMP.
SWITCH
SENSOR
CN11 CN1
CN2
DETECTOR
1234
CN14 CN15 CN24
L
N
CN9
R
W B
Y/G
W B R Y/G
1 2 3
TO OUTDOOR UNIT
FAN Y/G
MOTOR
CAP.
Y/G
CAP.
FAN MOTOR
MAGNETIC CONTACTOR
COMPRESSOR
R R
M
R
W W
S
BL BL
T
0150503553
Y/G