Haier HBU-18HF03 Manual page 196

HBU-42CH03, HBU-42CI03, HBU-42HI03
B
W
1 2
W B
0010452567 for HBU-42CH03, HBU-42CI03 and HBU-42HI03 indoor unit
CN12
CN11
CN8
CN6
CN16
LED3
CN23
CN3
CN25
CN1
CN9
CN2
CIRCUIT DIAGRAM OF INDOOR UNIT
M
M
Y
Y
LED3
N1
CN18 CN3
L
CN2
CN1
N
CN16
FUSE
CN17
CN4
CN21
CN20 CN22
CN15
N2
R Y BL W
R
Y/G
M
3
R
Y/G
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.
W:
CN10
CN13
CN14
BM1
CN24
CN22
CN21
CN20
CN17
CN4
CN18
CN15
Wiring diagram and PCB photo
FLOAT
SWITCH
CN8
CN6
ON
12 CN14 CN13
BM1
PIPING TEMP.
ROOM TEMP.
SENSOR
SENSOR
WHITE B BLACK R RED BL BLUE Y:YELLOW Y/G:YELLOW/GREEN
Indoor dip-switch definition:
Cooling only /
heat pump
Wired/remote
control
Pre-set
With/without
temperature
compensation
Notes: BM(3) and BM(4) are not available for
this models.
-196-
0150500673
CN12
CN10
DETECTOR
WIRED
CONTROLLER
BM(1) BM(2) B B M M (3) BM(4)
√/× * * *
* √/× * *
* * √/× *
* * * √/×