Honeywell NOTIFIER SCS Series Operation And Installation Manual page 179

HVAC Wiring Diagrams
Energy
Management
System
Pneumatic
Tubing
PRESSURE
SWITCH
Power
Return
Figure 5.71 depicts an EP damper in an HVAC system with the capability of
group type 5. In the above configuration, the CON
pressure switch power line. When the CON
is supplied to the pressure switch, which cuts the airflow to the damper and closes it. When the CON
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
contactor
Airflow
(use 3.9K listed ELR with FZM-1)
SMOKE
DAMPER
CLOSED
Figure 5.71 EP Damper Control - HVAC Switch Group Type 5
OFF⁄CL
CM is activated, the normally open contactor is closed. When the contactor closes, power
OFF⁄CL
position. The VER
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
control and verification of the
CLOSED
CM is activated. The CON
OFF⁄CL
CM.
OFF⁄CL
MM monitors the
OFF⁄CL
.
CLOSED
Ratings and Wiring Diagrams
CON CM
OFF⁄CL
(activated)
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
CLOSED
CM controls a normally open contactor for the
CM is deactivated, the EMS is
OFF⁄CL
position of the damper closed limit
CLOSED
state, switch
179