Specification Sheet

MA7, MA8, MA10 Technical Specifications
Switch Assembly Motorized Damper 24V Plug-in
Power Transformer
Switch Assembly must
be installed in rigid
ductwork.
No additional Electrical
Wiring Required:
The 24V Transformer
can be plugged into a
120V receptacle next to
kitchen vent hood for a
convenient and
aesthetic install.
The recommended location for the Switch Assembly collar is in a straight duct run
directly above the kitchen exhaust fan motor. If the Switch Assembly collar is installed
24” or higher above the exhaust fan or unable to be installed in a straight duct run, then
the a 90 degree elbow may be required.
Low voltage wiring (A) from motorized fresh air damper is
connected directly to 24V power transformer.
Low voltage wiring (B) from motorize fresh air damper is
connected to Switch Assembly.
Wire © is connected from Switch Assembly to 24V Power
Transformer.
Switch Assembly 10A, 125VAC
Motorized Damper
.25 amps, 24VAC, 60 HZ, 7
Watts
24V Plug-in
Transformer:
Input: 120VAC, 60HZ,
.23A
Output: 24VAC, 20VA
Page 2
Wire Specifications Below (wire not included)