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Broan Automatic Make-Up Air Damper Product Guide – 04-17-13 11

6.3 Applications with the Universal Model (MD*TU model)

Transformer

Broan

Range Hood

Make-up Air Damper

MD*TU installed in air return

duct of forced-air system

(normally closed)

Pressure Switch

Sensor

 Any BEST, NuTone, or Broan Range Hood

‐ The Damper opens or closes based on a direct signal from a pressure switch kit

that senses the exhaust duct static pressure caused by the operation of the

range hood. A direct low-voltage wiring connection between the pressure kit

sensor and the Damper is required.

 Any Range Hood and Most Bathroom or Utility Room Exhaust Fans

‐ The universal design of the pressure switch kit makes it compatible with virtually

any range hood and any bathroom or utility room exhaust system that has an

exhaust duct static pressure of at least 0.05 in w.g. A direct low-voltage wiring

connection between the pressure kit sensor and the Damper is required.

6.4 Applications with the Slave Model (MD*S model)