Engineered air DG series Technical Information PDF herunterladen (Seite 19)

A G-TRAC2 MANUAL

General Manual Revised: 03/15/99

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• If room gradually cools so sensor is 3º colder (67ºF), discharge temperature resets up the full amount of its

authority (+18) to 88ºF.

• If room only cooled to 70ºF (2 degrees) the new discharge temperature would be

* 18 = 12°. Therefore 12°

+ 65ºF set point = 77º discharge.

• If the room had warmed above the temperature of the room thermostat, a similar reset action would occur

except the discharge temperature would be reduced.

iagram

Discharge Operating Range

Absolute lowest

allowed discharge set

point

Lower reset limit

Manual Set point

Ex 70°F

Upper reset limit

Absolute highest

allowed discharge

set point

120°F

48°F

Same as Diagram A but demonstrates reset moves Up and Down with Manual Set Point.

Manual Set Point has been turned to 80° in this example.

iagram

Discharge Operating Range

Absolute lowest

allowed discharge set

point Lower

reset limit

Manual Set point

Ex 80°F

Upper reset limit

Absolute highest

allowed discharge

set point

120°F

48°F

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Engineered air DG series Technical Information Seite 19