Mitsubishi PUMY-P100YHM Technical & Service Manual page 28

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
1. Standard operation
OC
00
TB3 TB7
M1M2 S M1M2 S
• 1 remote controller for each
indoor unit.
2. Operation using two remote controllers
OC
00
TB3 TB7
M1M2 S M1 M2 S
• Using 2 remote controllers
for each indoor unit.
3. Group operation
OC
00
TB3 TB7
M1M2 S M1M2 S
• Multiple indoor units operated
together by 1 remote
controller
Combinations of 1through 3 above are possible.
L L
1 2
IC
00
TB5 TB15
M1M2 S 1 2
A B
MA
IC IC
00 00
TB5 TB15 TB5
M1M2 S 1 2 M1M2 S 1 2
A B A B
MA MA
IC
00
TB5 TB15
M1M2 S 1 2
A B
MA
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.
IC
b. Connect terminals 1 and 2 on transmission cable
00
terminal block (TB15) for each indoor unit with the
TB5 TB15
terminal block for the MA remote controller (MA).
M1M2 S 1 2
A B
MA
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
TB15
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 con-
troller
A B A B
MA MA
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
IC
group operation with the terminal block the MA remote
00
controller. Use non-polarized 2 wire.
TB5 TB15
d. In the case of same group operation, need to set the
M1M2 S 1 2
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.
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Wiring Method and Address Setting