Haier 1U12BS3ERA Service Manual page 17

Wiring diagrams
CN6
CN9 CN8
AC-N AC-L
CN11
CN7
CN1 CN3
CN2
CN23
CN4
MAIN CONTROL BOARD
AC-N AC-L
CN8 CN9
CN10
CN13
CN15 CN14
BL BL
Remark the dotted parts are
optional for different unit.
CN10
CN26
CN22
CN24
CN19 CN18 CN17
CN20
CN16
15
Functions and control
Domestic air conditioner