HBU-28HF03, HBU-42CF03, HBU-42HF03
AUXILIARY ELECTRIC
HEATER
CUT-OFF FUSE
THERMOSWITCH
RECEIVER
FLOAT
SWITCH
PIPE TEMP.
0010576910
SENSOR
ROOM
TEMP.
SENSOR
OUTDOOR LOW PRESSURE
SWITCH CONTROL
OUTDOOR
DEFROST TEMP.
SENSOR
CONTROL
1
CN2
DETECTOR
2
3
4
3
3
32
5
5
1
4
CN17
BM
CN18
CN10
CN7
CN15
CN14
CN9
FUSE
T6.3A/250VAC
CN1
CN11CN12
CN3
5
CN4
CN5
CN8
JK9
Y/G
M
M
M
L
N
TRANSFORMER
CAPACITOR
FOR SOME TYPES, THERE ARE NO PARTS
IN DASHED FRAMES AND THE DIP SWITCH BM.
NOTE: FOR THE COOLING CAPACITY BELOW
42000BTU/h TYPES,THE FUSE ON PCB
BOARD IS T3.15A/250VAC .
FAN MOTOR
WATER PUMP
SWING MOTOR
W
B R BR GR
Y/G
1 2 3 4 5
2
TO OUTDOOR UNIT
CIRCUIT DIAGRAM OF INDOOR UNIT
1、
2、
3、
4、
5、
PLEASE DO NOT CHANGE THE DIP SWITCH BM ON THE PCB BOARD。
FOR SOME COOLING ONLY TYPE,THERE ARE NO DASHED LINES AND PARTS IN
DASHED FRAMES
PARTS ARE NEEDED TO BE CONNECTED WITH OUTDOOR UNIT
DASHED PART IS OPTIONAL.
B:BLACK
GR:GREY
BR:BROWN
R:RED
BL:BLUE
W:WHITE
Y/G:YELLOW/GREEN
TEMP.:TEMPERATURE
HEATER
RECEIVER
FLOAT
SWITCH
PIPE TEMP.
SENSOR
DETECTOR
OUTDOOR
DEFROST
TEMP.
SENSOR
OUTDOOR LOW
PRESSURE
SWITCH
CN1
CN2
CN18
CN17
CN4
CN19
CN3
Y/G
CN5
CN8
CN9
W
123 45
LN
B R BR GR
Y/G
CN14CN15CN7
CN10
72287'22581,7
TERMINAL BLOCK
127(˖
ǃ5(027('(7(&725,6237,21$/:+,&+,686('
725($/,=(&(175$/&21752/)81&7,21
ǃ3/($6('2127&+$1*(7+(',36:,7&+
ǃ6(/(&721(&21752/02'(%(7:((1:,5('$1'5(027(0$7&+,7$&&25',1*727+(',))(5(1702'(/6
ǃ6(/(&721(&21752/02'(%(7:((1&1ǃ&16:,1*027250$7&+,7$&&25',1*727+(',))(5(1702'(/6
ǃ'$6+('3$57,6127$9$,/$%/()25620(02'(/6'$6+('3$57$1'7+(&255(6321',1*:,5(6$1'
7(50,1$/%/2&.$5(127$9$,/$%/()25&22/,1*21/<81,7
FAN MOTOR
CAPACITOR
CN11CN12
0
CUT-OFF FUSE
CIRCUIT DIAGRAM OF INDOOR UNIT
RESUMABLE PROTECTOR
SWING MOTOR
CONTROLLER
WATER PUMP
CN20 CN21
BM
SWITCH
1234
0
0
FUSE
T6.3A/250VAC
M
CN13
SWING MOTOR
ROOM TEMP.
SENSOR
TRANSFORMER
AUXILIARY ELECTRIC
B:BLACK
GR:GREY
BR:BROWN
R:RED
W:WHITE
Y/G:YELLOW/GREEN
TEMP.:TEMPERATURE
HBU-28CH03, HBU-28HH03
Wiring diagram
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