3: Ep Dampers - Honeywell NOTIFIER SCS Series Operation And Installation Manual

Non-dedicated Smoke Control System Wiring Diagrams
5.4.3 EP Dampers
Energy
Management
System
Airflow
Pneumatic
Tubing
PRESSURE
SWITCH
Power
Return
Figure 5.32 depicts an EP damper in a non-dedicated system with the capability of
switch group type 1. In the above configuration, the CON
the pressure switch power line. When the CON
power is supplied to the pressure switch, which cuts the airflow to the damper and closes it. When the CON
EMS is free to 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
SCS Series Manual — P/N 15712:L 7/18/16
Power Source
1a listed
contact
(use 3.9K listed ELR with FZM-1)
SMOKE
DAMPER
CLOSED
Figure 5.32 EP Damper Control, Non-dedicated System - FSCS Switch Group Type 1
OFF⁄CL
CLOSED
MM is activated because the damper is
OFF⁄CL
Listed
24 VDC
Power Source
ELR-47K
N/O
COM
Limit Switch
for closed
position
CM is activated. The CON
OFF⁄CL
CM is activated, the normally open contactor is closed. When the contactor closes,
position. The VER MM monitors the
OFF⁄CL
.
CLOSED
Ratings and Wiring Diagrams
CON CM
OFF/CL
(activated)
FCM-1
VER MM
OFF⁄CL
(deactivated)
FMM-1
SLC Loop
control and verification of the
CLOSED
CM controls a normally open contactor for
OFF⁄CL
OFF⁄CL
CM.
OFF⁄CL
position of the damper closed limit
CLOSED
*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.
state,
CLOSED
CM is deactivated, the
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