Specification Sheet

Page 4
Passive Air Flow Installation
24V low voltage wiring must be run at time of Fresh Air Damper in
rough-in. (not included by manufacturer) normal closed position
Switch Assembly
installed in rigid
ducting above
Ventilation Hood.
24V Plug-in
Transformer:
Input: 120VAC, 60HZ,
.23A
Output: 24VAC,
20VA
For maximum performance, the Switch Assembly
needs to be installed directly above the kitchen
exhaust.
Fresh Air Damper needs to be
located a minimum of 3 ft.
from kitchen exhaust hood.
During operation of the
kitchen exhaust, the
motorized damper will open
to allow fresh outside air to
enter the home through
passive air flow. When the
exhaust system is not in use
the motorized damper will
close and no longer allow
outside air to enter.
For general comfort and
aesthetics, the Fresh Air
Damper intake needs to be
located in an area that does
not ventilate directly on or
into kitchen preparatory or
dining areas.
The replenishment or make-up air must be drawn from the outside of the home.
Outside fresh air inlet must be installed on the exterior of the house a minimum distance of 10 ft. from
combustion vents and other exhaust openings. Locate the fresh air inlet away from any outside motor,
generator, pump, BBQ grill, hearth/fire pit, chemical storage area, or any potentially
hazardous exposure areas.