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C. Example of an 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 CITY MULTI series indoor unit.
Example of wiring control cables
1. Standard operation
L
1
OC
(00)
TB3
TB7
M1 M2 S
M1 M2 S
• 1 MA remote controller for each indoor unit.
2. Operation using 2 remote controllers
OC
(00)
TB3
TB7
M1 M2 S
M1 M2 S
• Using 2 MA remote controllers for each CITY MULTI series indoor
unit.
3. Group operation
OC
(00)
TB3
TB7
M1 M2 S
M1 M2 S
• Multiple indoor units operated together by 1 MA remote controller.
Combinations of 1 through 3 above are possible.
OCH760
L
2
M-IC
M-IC
(00)
(00)
TB5
TB15
TB5
M1 M2 S
1 2
M1 M2 S
A B
MA-RC
M-IC
M-IC
(00)
(00)
TB5
TB15
TB5
TB15
M1 M2 S
1 2
M1 M2 S
1 2
A B
A B
A B
MA-RC
MA-RC
MA-RC
(Main)
(Sub)
M-IC
(00)
TB5
TB15
M1 M2 S
1 2
M1 M2 S
A B
MA-RC
r7
Wiring Method and Address Setting
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 transmis-
sion cable block (TB5) of each CITY MULTI series
indoor unit (M-IC). Use non-polarized 2-core wire.
b. Connect terminals 1 and 2 on transmission cable
terminal block (TB15) for each CITY MULTI series
TB15
indoor unit with the terminal block for the MA
1 2
remote controller (MA-RC).
A B
MA-RC
a. The same as above 1.a
b. The same as above 1.b
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 MA remote controllers.
· Set either one of the MA remote controllers to
"sub remote controller".
Refer to the installation manual of MA remote con-
troller.
a. The same as above 1.a
b. The same as above 1.b
c. In the case of group operation using MA remote
M-IC
controller (MA-RC), connect terminals 1 and 2 on
transmission cable terminal block (TB15) of each
(00)
CITY MULTI series indoor unit. Use non-polarized
TB5
TB15
2-core wire.
1 2
d. In the case of same group operation, need to set the
address that is only main CITY MULTI series indoor
unit. Please set the smallest address within number
01–50 of the CITY MULTI series indoor unit with the
most functions in the same group.
32
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