Honeywell NOTIFIER SCS Series Operation And Installation Manual page 148

Ratings and Wiring Diagrams
1b listed
contact
1a listed
contact
Pneumatic
Tubing
PRESSURE
SWITCH
Power
Return
Figure 5.39 depicts an EP damper in a non-dedicated system with the capability of
state, switch group type 8. In the above configuration, the CON
CON CM controls a normally closed contactor for the pressure switch power line. When the CON
ON⁄OP
closed contactor is opened. When the contactor opens, power is cut from the pressure switch, which allows airflow to open the damper.
When the CON
ON⁄OP
CON CM.
ON⁄OP
When power is cut from the pressure switch, the damper opens. When the damper completely opens, the damper open limit switch is
, indicating that the damper is in the
CLOSED
switch. In this case the VER
148
Energy
Management
System
CON CM
ON/OP
(activated)
FRM-1
Power
Source
(use 3.9K listed ELR with FZM-1)
Airflow
SMOKE
DAMPER
OPEN
Figure 5.39 EP Damper Control, Non-dedicated System - FSCS Switch Group Type 8
CM is deactivated, the EMS is free to control the damper. The EMS is currently being overridden by the
OPEN
MM is activated because the damper is
ON⁄OP
Listed
24 VDC
Power Source
ELR-47K
Limit Switch
for open
position
N/O
COM
CM is activated and the CON
ON⁄OP
position. The VER MM monitors the
ON⁄OP
.
OPEN
Non-dedicated Smoke Control System Wiring Diagrams
CON CM
OFF/CL
(deactivated)
FCM-1
VER MM
ON⁄OP
(activated)
FMM-1
SLC Loop
and control and verification of the
OPEN CLOSED
CM is deactivated. The
OFF⁄CL
CM is activated, the normally
ON⁄OP
position of the damper closed limit
CLOSED
SCS Series Manual — P/N 15712:L 7/18/16
*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.
OPEN