Mitsubishi Electric MSZ-G09SV-E1 Service Manual page 42

(2) How to modify the remote controller P.C. board <MSZ-G09/12SV-
Remove batteries before modification.
The board has a print as shown below :
The P.C. board has the print "J1" and "J2". Solder "J1" and "J2" according to the number of indoor unit as shown in Table 1.
After modification, press the RESET button.
Table 2.
No.1 unit
No.2 unit
No.3 unit
No.4 unit
How to set the remote controller exclusively for particular indoor unit
After you turn the breaker ON, the first remote controller that sends the signal to the indoor unit will be regarded as the remote
controller for the indoor unit.
The indoor unit will accepts the only signal from the remote controller that has been assigned to the indoor unit once they are
set.
The setting will be cancelled if the breaker has turned off, or the power supply has shut down.
Please conduct the above setting once again after the power has restored.
1 unit operation
No modification
E2
2 unit operation
Same as at left
Solder J1
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NOTE : For remodelling, take out the bat-
teries and press the
OPERATE/STOP(ON/OFF)button
twice or 3 times at first.
After finish remodelling, put back
the batteries then press the
RESET button.
3 unit operation
Same as at left
Same as at left
Solder J2
Solder both J1 and J2
4 unit operation
Same as at left
Same as at left
Same as at left