Honeywell NOTIFIER SCS Series Operation And Installation Manual page 186

Ratings and Wiring Diagrams
1b listed
contactor
1a listed
contactor
Pneumatic
Tubing
PRESSURE
SWITCH
Power
Return
Figure 5.78 depicts an EP damper in an HVAC system with the capability of
configuration, the CON
for the pressure switch power line. When the CON
power is cut from the pressure switch which allows airflow to open the damper. When the CON
control the damper. The EMS is currently being overridden by the CON
186
Energy
Management
System
CON CM
ON/OP
(activated)
COM
N/O
FRM-1
Power Source
Airflow
SMOKE
DAMPER
OPEN
Figure 5.78 EP Damper Control - HVAC Switch Group Type 12
CM is activated and the CON
ON⁄OP
ON⁄OP
Listed
24 VDC
Power Source
and
OPEN
CM is deactivated. The CON
OFF⁄CL
CM is activated, the normally closed contactor is opened. When the contactor opens,
CM.
ON⁄OP
HVAC Wiring Diagrams
*If the SLC device
does not match the
one in this figure, refer
to the SLC manual
appendix, which
contains wiring
conversion charts for
type V and type H
modules.
CON CM
OFF/CL
(deactivated)
FCM-1
SLC Loop
control, switch group type 12. In the above
CLOSED
CM controls normally closed contactor
ON⁄OP
CM is deactivated, the EMS is free to
ON⁄OP
SCS Series Manual — P/N 15712:L 7/18/16