Honeywell ARD Catalog Page
Zone Control Dampers
Automatic Round Damper (ARD)
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Round damper with 24-volt, spring return damper motor used to |
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control volume of circulating air in heating, cooling, and ventilating |
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systems. |
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• Galvanized steel |
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• Single-blade damper |
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• Shipped as power closed/spring return open damper |
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for use with Honeywell Zoning Systems |
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• Can be field-converted to power open/spring return closed damper |
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when used as an independent zone or for fresh air intake |
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• Blade closes off tightly against gasket for minimal leakage |
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• Rated to operate up to 1 in. wc |
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• Available in 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, and 20 in. diameter sizes |
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Application: Zone Damper |
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Voltage: 24V |
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Wires to Motor: 2 |
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Motor Timing: 30 seconds power open/10 seconds spring return |
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Other Motor Information: Range stops |
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Product Number |
Shape |
Size (in.) |
Motor Mount |
Motor Type |
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Description |
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ARD5/U |
Round |
5 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD6/U |
Round |
6 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD7/U |
Round |
7 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD8/U |
Round |
8 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD9/U |
Round |
9 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD10/U |
Round |
10 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD12/U |
Round |
12 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD14/U |
Round |
14 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD16/U |
Round |
16 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD18/U |
Round |
18 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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ARD20/U |
Round |
20 in. Diameter |
Top; Side |
Power closed, spring open, revers ble |
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Spring Return Round Damper |
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EARD Fresh Air Damper
The EARD is a round damper with a 24 Vac powered-open/spring- closed motor. It is used for fresh air intake for ventilation or for combustion makeup air.
• Adjustable damper position range stops
• Single-blade damper
• Shipped as power open/spring return closed damper
• Galvanized steel
• Quiet operation
• Can be field-converted to power closed/spring return open damper
• Blade closes off tightly against gasket for minimal leakage
• Male (crimped) and female (uncrimped) ends to connect to any rigid or flexible round duct
Application: Fresh Air Damper
Voltage: 24V
Wires to Motor: 2
Motor Timing: 30 seconds power closed/10 seconds spring return
Other Motor Information: Range stops
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Product Number |
Shape |
Size (in.) |
Motor Mount |
Motor Type |
Description |
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EARD6/U |
Round |
6 in. Diameter |
Top; Side |
Power open, spring closed, reversible |
Spring Return Round Damper |
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EARD8/U |
Round |
8 in. Diameter |
Top; Side |
Power open, spring closed, reversible |
Spring Return Round Damper |
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