Greenheck Microprocessor Controller (475595 IOM) TAP v2.10 A Manual de usuario descargar pdf (Pagina 15)

B. Setpoint

The Setpoint menu allows the user to view and adjust temperature related

parameters.

THIS SCREEN DISPLAYS THE SUPPLY AIR TEMPERATURE SET POINT SCREEN

PARAMETERS.

When operating, the unit will control the heating and cooling to maintain the active

supply temperature set point. The active set point will be determined by the set

point source selection.

Possible Set Point Sources:

Local – The supply set point will be constant set from screen. (exp. 72°F).

BMS – The BMS can directly control the supply air temperature set point (requires

BMS communication option).

OA-Reset -The controller monitors the outdoor air temperature and adjusts the

desired supply temperature set point accordingly. For example, when the outdoor

air is below 55°F, the controller will change the supply set point to 70°F. If the

outdoor air is above 65°F, the controller will change the supply set point to 55°F.

If the outdoor air temperature is between 55°F and 65°F, the supply set point

changes according to the outdoor air reset function. A visual representation of the

outdoor air reset function is shown below.

Room-Reset – The controller will reset the supply air temperature set point to

maintain the room temperature set point (requires room temp sensor). See the

Room Temp Set Point screen in this menu for more information.

THIS SCREEN DISPLAYS THE ROOM TEMP SET POINT.

This screen only appears if Room Reset is selected as the supply set point source,

and a room temperature sensor is wired into the controller.

The unit will reset the supply air temperature set point to maintain the room temp

set point.

Possible Set Point Sources:

Local – The room set point will be constant set from screen (exp. 72°F).

BMS – The BMS can directly control the room temperature set point (requires

BMS communication option).

Supply Temp Set Point

Active: 72.0°F

Source: BMS 72.0°F

Max: 90.0°F

Min: 55.0°F

Room Temp Set Point

Active: 72.0°F

Source: Local 72.0°F

Outdoor Air Reset Function

45°

50°

55°

60°

65°

50° 55° 60° 65° 70°

Outside Air Temperature (°F)

Supply Air Set Point (°F)

70°

75°

Supply Temp Set Point

Active: 70.0°F

Source: Local 70.0°F

Max: 90.0°F

Min: 55.0°F

Supply Temp Set Point

Active: 55.0°F

Source: OA Reset

Outside Supply

55.0°F 70.0°F

65.0°F 55.0°F

Supply Temp Set Point

Active: 72.0°F

Source: Room Reset

Max: 90.0°F

Min: 55.0°F

Room Temp Set Point

Active: 72.0°F

Source: BMS 72.0°F

DDC Controller for Tempered Air Products

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Greenheck Microprocessor Controller (475595 IOM) TAP v2.10 A Manual de usuario Pagina 15

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