mcr OMEGA pro
Power and Control Panel
„MERCOR” S.A. –
The company reserves the right to modify and amend this document without notice.
21/28
Double-action electric actuators, e.g. BELIMO type BE
NO.
For MERCOR brand dampers only.
Fig. 20. Wiring diagram: electric actuators NO.
CAUTION
:
Connect all S1 and S3 contacts in parallel.
Connect all S4 and S6 contacts in series.
Double-action electric actuators, e.g. BELIMO type BE
NC.
For MERCOR brand dampers only.
Fig. 21. Wiring diagram: electric actuators, NC.
CAUTION:
Connect all S1 and S2 contacts in parallel.
Connect all S4 and S5 contacts in series.
If the damper actuators are installed in the reverse orientation or other actuator types
are used, connect the limit switches as follows:
In the monitoring mode, the limit switch contacts are open, and the MMS module input LEDs are
green.
In the alarm mode, the limit switch contacts are closed, and the MMS module input LEDs are red.
The damper monitoring position acknowledgement is output when all parallel-connection limit
switches are open.
The damper alarm position acknowledgement is output when all series-connection limit switches are
closed.
Cabinet
Cabinet
Damper
Damper
Damper
Damper
Damper
Damper
T-Box
T-Box
T-Box
T-Box
T-Box
T-Box
