MD8TU Installation Instruction

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MODELS MD6TU • MD8TU • MD10TU

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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Broan MD8TU 8" Universal Automatic Make-Up Air Damper With Pressure Sensor Kit