Broan MD6TU - Damper and System Installation; Installing the Make-Up Air Damper; Pressure Switch and Probe Installation; Pressure Switch Operation and Multiple Dampers

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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
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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
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speeds since the pressure is below this limit.
MULTIPLE DAMPERS
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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
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WALL CAP MODELS:
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