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MODELS MD6TU • MD8TU
Page 4
INSTALL THE DAMPER
OUTSIDE AIR
TO CENTRAL SYSTEM
RETURN AIR OR INTERIOR
WALL REGISTER
DAMPER FLAP (Install in
vertical position shown.)
AIR FLOW AIR FLOW
SET SCREW
-
cal position when closed and power is off. The set screw can be
used to adjust the damper opening - thereby balancing the inside
and outside air pressure when the range hood exhausts at high
speed.
PRESSURE SWITCH
OPERATION
The pressure switch is designed to operate when the static
speeds since the pressure is below this limit.
MULTIPLE DAMPERS
INSTALLATION OF
PRESSURE SWITCH AND
PROBE
For the probe & pressure switch to work effectively the roof or
wall cap must have a spring loaded damper. The following Broan
products are recommended:
ROOF CAP MODELS:
437 – High capacity up to 1200 cfm
WALL CAP MODELS:
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