2: Motorized Dampers - Honeywell NOTIFIER SCS Series Operation And Installation Manual

Ratings and Wiring Diagrams
5.4.2 Motorized Dampers
Damper Damper
Open Closed
Power Power
AC
MOTOR
Power Return
Figure 5.23 depicts a motorized damper in a non-dedicated system with the capability of
state, switch group type 1. In the above configuration, the CON
mally closed contactor for the damper open power line, and a dual normally open/normally closed contactor for the damper close power.
When the CON
OFF⁄CL
power line), the normally closed portion of the dual contactor is opened (cutting any power supplied by the EMS to the damper closed power
line), and the normally open portion of the dual contactor is closed, thus supplying power to close the damper. When the CON
deactivated, the EMS is free to control the damper. The EMS is currently supplying power to the damper closed power line.
When power is supplied to the damper closed power line, the damper closes. When the damper completely closes, the damper closed limit
switch is , indicating that the damper is in the
CLOSED
closed limit switch. In this case the VER
132
1b listed
contactor
1a, 1b listed
contactor
(use 3.9K listed ELR with FZM-1)
DAMPER
CLOSED
Figure 5.23 Motorized Damper Control
Non-dedicated System - FSCS Switch Group Type 1
CM is activated, the normally closed contactor is opened (cutting any power supplied by the EMS to the damper open
MM is activated because the damper is
OFF⁄CL
Power Source
Energy
Management
System
Listed
24 VDC
Power Source
ELR-47K
N/O
COM
Limit Switch
for closed
position
CM is deactivated. The CON
OFF⁄CL
position. The VER
CLOSED
OFF⁄CL
Non-dedicated Smoke Control System Wiring Diagrams
CON CM
OFF/CL
(deactivated)
FCM-1
*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.
VER MM
OFF/CL
(activated)
FMM-1
SLC Loop
control and verification of the
CLOSED
CM controls two contactors: a nor-
OFF⁄CL
MM monitors the
CLOSED
.
CLOSED
SCS Series Manual — P/N 15712:L 7/18/16
CLOSED
CM is
OFF⁄CL
position of the damper