Mitsubishi Electric CITY MULTI PUMY-P200YKM2R2 Technical & Service Manual page 33

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 indoor unit.
Example of wiring control cables
1. Standard operation
L
1
OC
(00)
TB3 TB7
M1 M2 S M1 M2 S M1 M2 S
• 1 Remote controller for each indoor unit
2. Operation using 2 remote controllers
OC
(00)
TB3 TB7
M1 M2 S M1 M2 S
• Using 2 remote controllers for each indoor unit
3. Group operation
OC
(00)
TB3 TB7
M1 M2 S M1 M2 S
• Multiple indoor units operated together by 1 remote controller
Combinations of 1 through 3 above are possible.
OCH675E
L
2
M-IC M-IC
(00) (00)
TB5 TB15
TB5 TB15
1 2
M1 M2 S 1 2
A B
A B
MA-RC MA-RC
M-IC M-IC
(00) (00)
TB5 TB15 TB5 TB15
M1 M2 S 1 2
M1 M2 S
A B
A B
MA-RC MA-RC MA-RC
M-IC M-IC
(00) (00)
TB5
TB5 TB15
M1 M2 S M1 M2 S M1 M2 S
A B
MA-RC
r7
Wiring Method and Address Setting
a. Use feed wiring to connect terminals M1 and M2 on trans-
mission cable block (TB3) for the outdoor unit (OC) to ter-
minals M1 and M2 on the transmission cable block (TB5)
of each indoor unit (M-IC). Use non-polarized 2-core 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).
a. The same as above 1.a
b. The same as above 1.b
c. I n 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 con-
trollers.
· Set either one of the MA remote controllers to "sub remote
controller"
1 2
Refer to the installation manual of MA remote controller.
A B
a. The same as above 1.a
b. The same as above 1.b
c. Connect terminals 1 and 2 on transmission cable terminal
block (TB15) of each indoor unit, which is doing group
operation with the terminal block for the MA remote control-
ler. Use non-polarized 2-core wire.
d. In the case of same group operation, need to set the
address that is only main indoor unit. Please set the small-
est address within number 01–50 of the indoor unit with
TB15
the most functions in the same group.
1 2
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