NC
C
NO
R
C
1
C
R
L2
L1 (HOT)
WIRING
3
WIRING
NC
C
NO
R
C
1
C
R
L2
L1 (HOT)
Damper Module(s)
1
24VAC Transformer
Motorized Damper
24VAC Normally Closed
Motorized Damper
24VAC Normally Open
Caution:
Electrical Hazard
Failure to disconnect the power
before beginning to install this
product can cause electrical shock
or equipment damage.
NC
C
NO
R
C
1
C
R
L2
L1 (HOT)
Motorized Damper
24VAC Power Open/ Power Close
OPEN
COM
CLOSE
NOTE:
Multiple Damper Modules and zone dampers can be powered by one 24VAC transformer. It may
be necessary to use a transformer separate from the HVAC system transformer. Multiple 24VAC motorized
dampers can be controlled by one Damper Module.