Haier QACT17A Installation And Operation Manual page 18

Wiring Connections
3. Non-MRV Wall Mount (AW...)
High Wall
WK-B
(1) The first high wall indoor unit to
connect with WK-B is considered as
master unit 0.
(2) Remove the jumpers on CN3 and CN4.
(3) The wired control must connect to CN1
of the WK-B master unit (unit 0).
(4) Connect the CN2 on the master unit
(unit 0) to the next WK-B slave unit (unit 1)
CN1 or CN2. Only the master unit (unit 0)
must use CN1 for the control. All others
may use CN1 or CN2. See Picture 2.2.
(5) Set the dipswitch address of the
WK-B adapter. The adapters ship with all
switches off (master).
C:
Two controllers on one indoor
1. Cassette ( AB...AL...MVAB...MVAL...)
Ducted (AD...AM...MVAD...MVAH...)
MRV Wall Mount (MVAW...)
Indoor 1
Wired controller
A B C
Polar wire
A B C
Wired controller
Notice: For wired controller connection and warranty details, please follow
the corresponding indoor unit installation instructions.
Unit 1
Unit 0
SW1
(master unit)
A B C A B
A B C C
W ired controller
Unit #
0*
1
2
3
4
5
6
7
Polar wire
A B C
Wired controller
... ...
SW1
A B
C
Dipswitch position
1 2 3
off off off
off off off
off off on
off off on
off on off
off on off
off on on
off on on
* Unit 0 is connected directly to the control and is master
2. Non-MRV Wall Mount (AW...)
Indoor PCB board
17
Unit 15
SW1
A B C A B C
Dipswitch position
4 Unit # 1 2
off 8 on off
on 9 on off
off 10 on off
on 11 on off
off 12 on on
on 13 on on
off 14 on on
on 15 on on
LED3/R LED4/G
WK-B
SW1
CN4
LED2/G LED1/R
CN3
CN5 CN1 CN2
A B C
A B C
Polar wire
A B C
Wired controller
3 4
off off
off on
on off
on on
off off
off on
on off
on on
A B C
Wired controller