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C. Example of a MA remote controller system (address setting is not necessary.)
NOTE : In the case of same group operation, need to set the address that is only main indoor unit.
Example of wiring control cables Wiring Method and Address Setting
• 1 remote controller for each
indoor unit.
1. Standard operation
2. Operation using two remote controllers
• Using 2 remote controllers
for each indoor unit.
M1M2
TB5
S12
TB15
00
IC
AB
M1M2
TB3
S
M1M2
TB7
00
OC
L
1 L2
S
M1M2
TB5
S12
TB15
00
IC
AB
MAMA
r1
r2
MA
M1M2
TB5
S12
TB15
00
IC
AB
M1M2
TB3
SM1M2
TB7
00
OC
S
M1M2
TB5
S12
TB15
00
IC
MA
AB AB
MA MA
r3
r4
r5
AB
r6
MA
M1M2
TB5
S12
TB15
00
IC
AB
M1M2
TB3
S
M1M2
TB7
00
OC
S
M1M2
TB5
S12
TB15
00
IC
r7
r8
a. Use feed wiring to connect terminals M1 and M2 on
transmission cable block (TB3) for the outdoor unit
(OC) to terminals M1 and M2 on the transmission
cable block (TB5) of each indoor unit (IC). Use
non-polarized 2 wire.
b. Connect terminals 1 and 2 on transmission cable
terminal block (TB15) for each indoor unit with the
terminal block for the MA remote controller (MA).
3. Group operation
• Multiple indoor units operated
together by 1 remote
controller
a. The same as above.
b. The same as above.
c. In the case of using 2 remote controllers, connect
terminals 1 and 2 on transmission cable terminal
block (TB15) for each indoor unit with the terminal
block for 2 remote controllers.
· Set the sub remote controller position for one of
MA remote controller’s main switch.
Refer to the installation manual of MA remote
controller
a. The same as above.
b. The same as above.
c. Connect terminals 1 and 2 on transmission cable ter-
minal block (TB15) of each indoor unit, which is doing
group operation with the terminal block for MA remote
controller. Use non-polarized 2 wire.
d. In the case of same group operation, need to set the
address that is only main indoor unit. Please set the
smallest address within number 01-50 of the indoor
unit with the most functions in the same group.
Combinations of 1through 3 above are possible.
OC376B--1.qxp 08.1.17 1:14 PM Page 28