Technical Specifications
The recommended location for the Switch Assembly collar is in a straight duct run directly
above the kitchen exhaust fan motor. We suggest installation of Switch Assembly collar be no
higher than 24” above exhaust fan motor. If you are unable to install in a straight duct run, a
90 degree elbow may be required.
Low voltage wiring (A) from motorized fresh air damper is
connected directly to the 24V power transformer.
Low voltage wiring (B) from motorized fresh air damper is
connected to Switch Assembly.
Wire © is connected from Switch Assembly to 24V Power
Transformer.
Paddle is 3/4” L x
1-1/4” W and
activates at the
200-400 CFM
depending on
duct size.