Mitsubishi Electric G-50A Operation Manual page 13

(3) Selecting [ON/OFF (Level signal)] makes it possible to run or stop multiple units using a level signal. In this
mode, all air conditioner units connected to the G-50A will be run or stopped and run/stop operations will be
prohibited on the G-50A unit or remote control.
1
2
3
4
5
6
7
8
9
Connection to G-50A(CN2)
(4) Selecting [ON/OFF/Prohibit/Permit (Pulse signal)] makes it possible to use pulse signals to run multiple units,
stop multiple units, prohibit local operation and permit local operation. In this mode, it is possible to freely
operate the remote control except during the pulse signal input.
Connection to G-50A (CN2)
Prohibit
Run/Stop
12V DC
1
2
3
4
5
6
7
8
9
Contact ON
Run
Contact OFF
Contact ON
Stop
Contact OFF
Stop
Contact ON
Contact OFF
Contact ON
Perm it
Contact OFF
Perm it
Contact ON
Contact OFF
Stop
Run
Stop
Prohibit
12V DC
: Pulse generator
0.5-1.0 Seconds
Run
0.5-1.0 Seconds
Prohibit
-11-
Run Stop
Permit
Stop
Perm it