Thermostat controlled duct damper
SECTION 230913 - INSTRUMENTATION AND CONTROL …
Thermostat modulates two-way heating control valve. TERMINAL HIGH VELOCITY UNITS. Thermostat modulates two-way heating control valve. Thermostat modulates [variable-volume damper operator] [and] [dual-duct damper operator].
[DOC File]Automatic Temperature Control Specification
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Each round bypass damper (Model STBP) shall consist of 20-22 gauge galvanized metal duct fitted with an elliptical damper to provide linear airflow. The damper shall contain a foam seal to prevent leakage when fully closed. Each damper will contain a full stall 24-volt modulating actuator, which shall not draw more than 2 VA on one drive assembly.
[DOC File]Automatic Temperature Control Specification
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The damper blades are of formed steel design with gasketed stops to provide quiet operation and structural integrity. The bypass damper shall be controlled by an electronic integrated static pressure control. This bypass sensor shall be located downstream of the bypass connection from the supply plenum and upstream from the first zone damper.
SECTION 15973 - AUTOMATIC TEMPERATURE CONTROLS
Slaved terminal units shall be controlled to match the CFM and discharge air temperature of the master unit. Thermostat locations have been identified on the Drawings to the extent possible, but all such locations may not be shown. ... Provide mounting holes for enclosed duct mounting. Provide damper blades not less than formed 16gage ...
[DOC File]Carrier
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The damper adjustment rate shall be automatically limited to prevent nuisance low temperature thermostat tripping. During the unoccupied cycle and unit optimal start, the mixed-air dampers shall be kept closed to outside and exhaust air and open to return air unless the system has been indexed to nighttime free cooling.
[DOCX File]Section 23 09 23 - DIRECT-DIGITAL CONTROL SYSTEM FOR …
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Ensure electric damper operator provides full modulating control of dampers. Ensure a linkage and pushrod be furnished for mounting the actuator on the damper frame internally in the duct or externally in the duct or externally on the duct wall, or be furnished with a direct-coupled design.
[DOCX File]ARCAT | Free Building Product CAD Details, BIM, Specs and …
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Control: System or external contact closure provides 24 volts to the unit - Temperature sensing thermostat (must also operate blower). Electric Boost Heater, Make Up Air WarmFlo Controlled. Product: Electro Duct WarmFlo modulating electric element package as …
[DOC File]23 09 10 - Control Systems - Alberta
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.7 Thermostat in supply air duct shall modulate mixed air dampers [preheat coil valve] [and face and bypass dampers] [and cooling coil valve] in sequence. .8 Outside air thermostat above [ ]°C shall close outside air damper [to minimum position] [leaving minimum outside air damper open.
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