Replace hvac zone damper control
[DOC File]PART 1 - browardschools
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Provide 120 Volt electrical wiring, other than control wiring, from a dedicated 20 Amp breaker under Division 16 for all EM/S control panels, damper actuators, control valve actuators and similar devices provided under Division 15. All HVAC control wiring shall be installed in a separate conduit and laid on the cable tray installed above ceilings.
[DOC File]Automatic Temperature Control Specification
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Each zone thermostat shall have the ability to be switched to the OFF mode; when initiated, its zone damper will drive to the fully closed position. Each zone thermostat can control up to three slaved modulating dampers. Two or more slaved two position dampers shall require an additional transformer and relay(s).
[DOCX File]SECTION 23 81 00 - DECENTRALIZED UNITARY HVAC …
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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.
[DOC File]PART 1
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Concurrent operation of the primary HVAC chilled water system and the secondary DX cooling system is PROHIBITED. Control of the outside air damper is to be maintained during occupied and unoccupied periods. Damper shall modulate from the closed-to-partial-to fully opened position by a CO2 sensor while the DX cooling unit is energized.
[DOC File]Central Carolina Community College
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Relief/Return Fan Damper Control. 7 Day Scheduling/Set Back Temperature Control. Hot Water Valve Control. Hot Water Leaving Temperature at Coil. Co2 Sensor. Zone Damper Control. Trending. Supply Temperature. Return Temperature. Minimum Points for Air Handlers #3. Same as Air Handlers #1 and #2 but no Zone Dampers. Minimum Points for Air ...
[DOC File]| Safety resources and tools to promote a safe healthcare ...
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The HVAC Control System shall monitor the emergency power transfer switch to determine when there is loss of normal power and restoration of normal power. Smoke/fire dampers and smoke/fire damper actuators are to be specified under the air distribution system, not under the HVAC control specifications.
[DOCX File]VAV DDC Zone Controller with Low Flow/Expanded Range ...
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The VAV zone controller shall include fully adjustable analog outputs and hot/common switchable digital outputs from the control board utilizing a PI control loop to control dampers, electric reheat, and cold/hot water coils for the purpose of maintaining user defined airflow rates and space temperatures.
[DOCX File]Executive Summary - Computer Action Team
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A more energy efficient method of zone temperature control is to install automatically-controlled individual zone volume dampers in each branch duct in place of the manual damper that currently exists upstream of the heating coil. This damper would modulate air volume based on cooling load requirements in each zone.
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