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product Information
proDuCT InformATIon
The Bosch fresh outside air damper system allows
fresh air to be introduced into the home for natural,
healthy ventilation. As the building codes of
residences are getting more restrictive on air
leakage for energy effi ciency improvements, fresh
air can only enter the house as doors and windows
are opened. This typically lends to overused,
re-circulated stale air. Depending on the amount of
air that is being exhausted through the bathroom
fans, kitchen hoods, and local code requirements;
outdoor air may be required as make-up air for your
home. Bringing in outside air improves the overall
indoor air quality for you and your family.
feATureS
• Fully modulating (0-90°) damper position
• Power open / Power close 24VAC modulating
damper motor
• Rated up to 1" w.c. with an 80 in-oz (5 in-lbs)
torque damper motor
• Constructed of 30 gage, galvanized steel
• Two 28 gage, galvanized steel blades with
rubber gasket sandwiched between blades
• Crimped and un-crimped ends for easy
connection to round duct
• Fully opens or closes in 2.75 seconds
• LED indication lights of damper position; Green
indicates fully open, Red indicates fully closed
Revised 07-12
Subject to change without prior notice
• Hooded louver outside air intake with bird
screen
• Wall mounted, variable position motor controller
SpeCIfICATIonS
Available Sizes: 4", 5", and 6" round
Damper motor electrical rating: 24 VAC, 2.6 VA
operating, 0.7 VA holding
Damper motor electrical Connections:
Input: 24 VAC, common, G (blower call from air
handler), VP from the wall controller
output: 5 VDC to wall controller
Duct material: 30 gage galvanized steel
Damper material: 28 gage galvanized steel
Damper motor Control: Wall mount potentiometer
for damper opening allowing a certain percentage
of air (0-100%)
hooded Air Intake louver: 4", 5", and 6" duct
connection attached to an air intake hood to be
mounted on exterior wall
ApplICATIon
The Bosch fresh outside air damper system
introduces outside air for ventilation, providing
healthier indoor air quality and for exhaust make up
air. A typical installation is demonstrated in Figure 1.
Although there are many variations of installations
depending on physical constraints and routing of
the air duct, Figure 1 shows in general how to
figure #1
6 720 220 345
IAQ Series 3
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