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Wiring Connections
3 . Non-MRV Wall Mount (AW . . .)
High Wall
WK-B
(1) T he first high wall indoor unit to
connect with WK-B is considered as
main unit 0 .
(2) Remove the jumpers on CN3 and
CN4 .
(3) The wired control must connect to CN1
of the WK-B main unit (unit 0) .
(4) Connect the CN2 on the main unit
(unit 0) to the next WK-B subordinate
unit (unit 1) CN1 or CN2 . Only the
main 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 (main).
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 0
Unit 1
SW1
(main unit)
A B C
A
B
C
A B
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 main
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
Polar wire
A BC
A BC
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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