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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
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