Honeywell NOTIFIER SCS Series Operation And Installation Manual page 175

HVAC Wiring Diagrams
1b, 1a
listed
contactor
Damper
Open
Power
MOTOR
Power Return
Figure 5.66 depicts a motorized damper in an HVAC system with the capability of
state, switch group type 15. In the above configuration, the CON
CLOSED
normal operation (non-smoke control mode) both control modules would be deactivated, allowing the EMS system to freely control the
damper. The CON
ON⁄OP
open/normally closed contactor for the damper open power line. The CON
for the damper open power line, and a dual normally open/normally closed contactor for the damper close power line. When the
CON CM is activated, the CON
ON⁄OP
tactor is opened (cutting any power supplied by the EMS to the damper closed power line), the normally closed portion of the dual contactor
is opened (cutting any power supplied by the EMS to the damper open power line), and the normally open portion of the dual contactor is
closed, thus supplying power to open the damper.
When power is supplied to the damper open power line, the damper opens. When the damper completely opens, the damper open limit
switch is and the damper closed switch
CLOSED
position of the damper open limit switch and the VER
CLOSED
this case the VER
ON⁄OP
SCS Series Manual — P/N 15712:L 7/18/16
1b listed contactor 1a, 1b listed contactor
Damper
Closed
Power
DAMPER
OPEN
AC
Figure 5.66 Motorized Damper Control - HVAC Switch Group Type 15
CM controls two contactors: a normally closed contactor for the damper closed power line, and a dual normally
CM is deactivated and vice versa. When the CON
OFF⁄CL
OPENS
MM is activated and the VER
Energy
Management
System
1b listed
contactor
ELR-47K
(use 3.9K listed ELR with FZM-1)
Limit Switch
for open
position
N/O
COM
N/O
COM
Limit Switch
for closed
position
CM is activated and the CON
ON⁄OP
CM controls two contactors: a normally closed contactor
OFF⁄CL
, indicating that the damper is in the
MM monitors the
OFF⁄CL
MM is deactivated because the damper is
OFF⁄CL
Ratings and Wiring Diagrams
Power Source
Listed
24 VDC
Power Source
CON CM
ON/OP
(activated)
FCM-1
CON
OFF/CL
(deactivated)
FCM-1
VER MM
ON⁄OP
(activated)
FMM-1
VER MM
OFF/CL
(deactivated)
FMM-1
and control and verification of the
OPEN CLOSED
OFF⁄CL
CM is activated, the normally closed con-
ON⁄OP
position. The VER
OPEN
position of the damper closed limit switch. In
CLOSED
.
OPEN
CM
*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.
SLC Loop
and
OPEN
CM is deactivated. Under
MM monitors the
ON⁄OP
175