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Setpoints – Carrier RTU OPEN 11-808-427-01 User Manual

Page 69

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RTU Open

63

Setpoints

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HOME > CONFIG > SETPOINT

Select a color band on the setpoint graph to see the current setpoints in the Heating and Cooling fields. See setpoint

descriptions below.

Occupied Setpoints

The occupied setpoints described below are the setpoints under normal operating conditions. The Demand Level 1–3

setpoints apply if demand limiting is used.
Demand limiting is a cost-saving strategy to reduce energy consumption. The strategy expands the occupied heating and

cooling setpoints when the system reaches one of 3 levels of consumption. With the expanded setpoints, the equipment

works less, thereby saving energy. By default, Demand Level 1 expands the occupied heating and cooling setpoints by 1°F,

Demand Level 2 by 2°F, and Demand Level 3 by 4°F. If the occupied heating or cooling setpoints change, the (effective)

demand level setpoints automatically change by the same amount. See Sequence of Operation (page 43) for more

information.

Default

Range: -40 to 245°F

Demand Level

Point Name/Description

Occupied

1

2

3

Occupied Heating

– Green

The heating setpoint the controller maintains while in occupied mode.

70°F

69°F 68°F 66°F

Occupied Cooling

– Green

The cooling setpoint the controller maintains while in occupied mode.

74°F

75°F 76°F 78°F

Occupied Heating 1

– Light Blue

The space temperature must be less than the Occupied Heating 1 setpoint for the

VVT Master to consider the zone a heating caller in a linked system. In a single-

zone application, the heating requirement begins as soon as the space

temperature falls below the Occupied Heating setpoint. We recommend that the

Occupied Heating 1

value be set no less than 0.5°F below the Occupied Heating

setpoint.

69°F

68°F 67°F 65°F