AUTOMATIC
MAKE-UP AIR
DAMPER
Broan's Automatic Make-up Air Damper provides
interlocked damper operation so outside air
is only allowed to enter the house when a
connected fan or hood is operating.
Model MD6T (for 6" round duct)
Model MD8T (for 8" round duct)
24 Volt, 60 Hz AC motor
•
Normally closed damper
•
Automatically opens when exhaust fans are activated
•
Foam seals minimize air leakage
•
24 gauge galvanized steel construction
•
Damper adjustment screw for balancing adjustments
•
Compatible with select Broan and BEST range hoods
•
Use with Fresh Air Inlet Model 641FA Fresh Air Inlet
•
for 6" dampers or Fresh Air Inlet Model 643FA for 8"
dampers (sold separately)
Includes 24 Volt 20VA transformer
•
SPECIFICATION SHEET
Model MD6T
Model SMD6
Model MD6TR
Model MD8T
Model SMD8
Model MD8TR
Model SMD6 (for 6" round duct)
Model SMD8 (for 8" round duct)
Same features as Model MD6T and Model MD8T
•
except includes
Compatible with Broan fans and BEST range hoods
•
equipped with devices
Requires no special wiring to range hoods or fan
•
enabled with . Communicates over existing
power lines
• relay fits single-gang box
Model MD6TR (for 6" round duct)
Model MD8TR (for 8" round duct)
Same features as Model MD6T and Model MD8T
•
except includes a wall-mounted 12V SPST control relay
Compatible with select Broan and BEST Range Hoods
•
REFERENCE QTY. REMARKS Project
Location
Architect
Engineer
relay
Relay
SMD6 & SMD8
only
Broan-NuTone LLC Hartford, Wisconsin www.broan.com 800-558-1711
Transformer
Included with all
models
12V SPST Relay
MD6TR & MD8TR
only
Contractor
Submitted by Date
90M 99044541B