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
CN1
1CN12
CN3
CN8
TRANSFORMER
NOTE: FOR THE COOLING CAPACITY
42000BTU/h ,THE FUSE ON PC
BOARD IS T6.3A/250V
AC .
W
B
B
R
Y/G
1 2 3
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
RELA
Y RELAY
6
4
2
5
3
1
Y/G
CAP
ACITOR
FAN MOTOR
M
7
8
6
4
2
5
3
1
7
NO
NC
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
CN1
1CN12
CN3
CN8
TRANSFORMER
NOTE: FOR THE COOLING CAPACITY
42000BTU/h ,THE FUSE ON PC
BOARD IS T6.3A/250V
AC .
W
B
B
R
Y/G
1 2 3
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
RELA
Y RELAY
6
4
2
5
3
1
Y/G
CAP
ACITOR
FAN MOTOR
M
7
8
6
4
2
5
3
1
7
NO
NC
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
CN1
1CN12
CN3
CN8
TRANSFORMER
NOTE: FOR THE COOLING CAPACITY
42000BTU/h ,THE FUSE ON PC
BOARD IS T6.3A/250V
AC .
W
B
B
R
Y/G
1 2 3
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
RELA
Y RELAY
6
4
2
5
3
1
Y/G
CAP
ACITOR
FAN MOTOR
M
7
8
6
4
2
5
3
1
7
NO
NC
技术要求：
1.版面协商解决.
2.背面涂不干胶.
3.字框色为黑色。
4.所有项为必检项。
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
00105765330010576533
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
COMPRESSORCOMPRESSOR
T
MM
Y/G
FAN MOTOR
M
M
W
BL
R
Commercial Air Conditioner Model: HBU-18CF03
HDU-42CF03/H HPU-42HF03
76
HPU-42HF03
技术要求：
1.版面协商解决.
2.背面涂不干胶.
3.字框色为黑色。
4.所有项为必检项。
POWER SUPPLY
NOTES:PARTS IN DASHED FRAMES ARE NOT
AVAILABLE FOR SOME TYPES
CIRCUIT DIAGRAM OF OUTDOOR UNITCIRCUIT DIAGRAM OF OUTDOOR UNIT
R
BM4 BM3
BM1
BM2
NOTE£”
FOR SOME COOLING
ONLY TYPES,THERE ARE
NO DASHED LINES AND
PART IN DASHED
FRAME
2.
1.
WIRING DIAGRAM OF INDOOR UNIT
Y/G
Y/G
CENTRAL CONTROL
FUNCTION IS OPTINAL
CN20
1
OUTDOOR DEFROST
TEMPREATURE SENSOR
SWING MOTOR
M
CN6 CN10
INDOOR AMBIENT
W:WHITE B:BLACK BR:BROWN
BL:BLUE R:RED Y:YELLOW
OR:ORANGE
Y/G:YELLOW/GREEN
TEMPERATURE
SENSOR
INDOOR PIPE
TEMPERATURE
SENSOR
CN9 CN21 CN22 CN4 CN3 CN2 CN1
CN5
M
CN18
FUSE
T3.15A/250VAC
LN
CN12 CN14 CN15 CN11 CN17 CN13
CN16
M
4321
TRANSFORMER
CENTRAL
CONTROLLER
FLOAT
RECEIVER
0010576948
INDOOR
FAN MOTOR
CAPACITOR
WATER PUMP MOTOR
W
B
BL
BR
BL
BR
CN19
POWER SUPPLY
TO OUTDOOR UNIT
Y
Y
OR
OR
ON
1
2
43
ON
1
2
43
ON
1
2
43
ON
1
2
1
4-WAY VALVE
RELAY
13
7
8
5
24 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
GRGR
GR
BR
BL
B
B
B Y/G
Y/G
SR
B:BLACK BL:BLUE BR:BROWN GR:GRAY
W:WHITE Y/G:YELLOW/GREENR:RED
TN
GR
B
W
NL
W
W
34
B
B
B
B
RBR
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.
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