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Diffuser shall be of the square-face, round
neck design, complete with integral thermally powered thermostats and sliding
sleeve type VAV control dampers. Finish shall be white enamel.
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Units shall be of nominal 24 inch x 24 inch
face size for lay-in installation in a standard exposed grid ceiling
suspension system.
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Temperature setpoints shall be field
adjustable from the face of the diffuser through a temperature range 70 to 78
degrees Fahrenheit. The static pressure operating range is .02-.5 in. WG. (optional:diffusers
shall also be fitted with a second thermal actuator to automatically change
from VAV cooling to constant volume heating with a field adjustable damper
position from full open to any lower setting.
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Diffusers using disk, plate or diffusion blade
type dampers will not be acceptable.
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Diffusers shall be as manufactured by Thermal
Products Corporation of Tucson, AZ. or prior approved equal.
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