Honeywell NOTIFIER SCS Series Operation And Installation Manual page 180

Ratings and Wiring Diagrams
Energy
Management
System
Pneumatic
Tubing
PRESSURE
SWITCH
Power
Return
Figure 5.72 depicts an EP damper in an HVAC system with the capability of
type 6. In the above configuration, the CON
switch power line. When the CON
plied to the pressure switch, which cuts the airflow to the damper and closes it. When the CON
control the damper. The EMS is currently being overridden by the CON
When power is supplied to the pressure switch, the damper closes. When the damper completely closes, the damper closed limit switch is
, indicating that the damper is in the
CLOSED
switch. In this case the VER
180
Power Source
1a listed
contactor
(use 3.9K listed ELR with FZM-1)
Airflow
SMOKE
DAMPER
CLOSED
Figure 5.72 EP Damper Control - HVAC Switch Group Type 6
CM is activated. The CON
OFF⁄CL
CM is activated, the normally open contactor is closed. When the contactor closes, power is sup-
OFF⁄CL
position. The VER
CLOSED
MM is deactivated because the damper is
ON⁄OP
Listed
24 VDC
Power Source
ELR-47K
Limit Switch
for open
position
N/O
COM
control and verification of the
CLOSED
CM controls a normally open contactor for the pressure
OFF⁄CL
CM.
OFF⁄CL
MM monitors the
ON⁄OP
.
CLOSED
HVAC Wiring Diagrams
CON CM
OFF/CL
(activated)
*If the SLC device
does not match the
one in this figure,
refer to the SLC
manual appendix,
FCM-1
which contains
VER MM
ON⁄OP
wiring conversion
(deactivated)
charts for type V
and type H
modules.
FMM-1
SLC Loop
state, switch group
OPEN
CM is deactivated, the EMS is free to
OFF⁄CL
position of the damper open limit
CLOSED
SCS Series Manual — P/N 15712:L 7/18/16