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[DOC File]SECTION 237433 - DEDICATED OUTDOOR-AIR UNITS
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Face damper blades shall be opposed and arranged to match coil face with top bypass, and internal linkage. External Face and Bypass Dampers: Face damper shall be factory mounted in galvanized steel frame. Damper blades shall be constructed of galvanized steel, with high temperature blade and edge seals.

[DOCX File]SECTION 23 81 00 - DECENTRALIZED UNITARY HVAC …
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The power supply converts the incoming AC power to the voltages required to operate all aspects of the unit. The controller contains the systems software, all controls/relays/sensor interfaces, and all wireless and wired communication modules. ... It places the outside air damper, the YORK® EcoAdvance™ 1000E, and other air-handling devices ...

[DOCX File]YORK® ECOADVANCE™ 1000E Module Overview - Johnson …
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Damper Location: OA and EA dampers are factory installed and wired on the outside of the unit. Damper Leakage: The dampers for outside air and exhaust air to be low leak galvanized steel dampers for the commercial heating and air conditioning industry that meet California’s Title 24, IECC 2015, and ASHRAE 90.1 requirements.

[DOC File]Home Page for Carrier air conditioning, heating ...
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Jan 14, 2021 · The minimum outside air duct shall be sized for the minimum system outside air cfm and shall be provided with an air flow measuring device for verifying outside air flow rate. Air handling unit controls shall be employed to sequence the outside air damper and return dampers to maintain the minimum outside air flow rate.

What is a Damper (HVAC)
Damper assembly with exhaust damper and spring-return, and low-voltage, modulating damper motor with minimum position adjustment. 2.Water-Side Economizer: Mechanically cleanable, aluminum-fin, copper-tube coil assembly, // two // four // rows deep, allowing precooling of inlet air using condenser water; with piping and bypass control valves.

Damper for ac unit