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Appendix A: TV-VVTZC-E2 Points/Properties
TruVu™ VVTZC
-E2
©2022 Carrier.
Installation and Start-up Guide
All rights reserved.
107
Unoccupied Heating 2
–
Dark Blue
The space temperature must be less than the
Unoccupied Heating 2
setpoint to
generate an unoccupied low space temperature alarm. We recommend that this value
be set no less than 0.5 °F (.27 °C) below the
Unoccupied Heating 1
setpoint.
D:
R:
52°F (11.1°C)
40 to 90°F
(4.4 to 32.2°C)
Unoccupied Cooling 1
–
Yellow
The space temperature must be greater than the
Unoccupied Cooling 1
setpoint for the
VVT Master to consider the zone an unoccupied cooling caller in a linked system. In a
single-zone application, the unoccupied cooling requirement begins as soon as the
space temperature exceeds the
Unoccupied Cooling
setpoint. We recommend that the
Unoccupied Cooling 1
value be set no less than 0.5 °F (.27 °C) above the
Unoccupied Cooling
setpoint.
D:
R:
91°F (32.7°C)
45 to 99°F
(7.2 to 37.2°C)
Unoccupied Cooling 2
–
Orange
The space temperature must be greater than the
Unoccupied Cooling 2
setpoint to
generate an unoccupied high space temperature alarm. We recommend that this value
be set no less than 0.5 °F (.27 °C) above the
Unoccupied Cooling 1
setpoint.
D:
R:
93°F (33.9°C)
45 to 99°F
(7.2 to 37.2°C)
Point Name/Description
Default/Range
Heating Capacity
–
Used for Optimal Start, this is the rate at which the space
temperature changes when the heating system runs at full capacity to maintain
designed occupied heating setpoint.
D:
R:
5 °F (2.7 °C)/hr
0 to 120 °F
(0 to 66.6 °C)/hr
Heating Design Temp
–
The geographically-based outdoor air temperature at which the
heating system must run constantly to maintain comfort. This information is available in
ASHRAE publications and most design references.
D:
R:
0°F/C
-100 to 150°F
(-73.3 to 65.5°C)
Cooling Capacity
–
Used for Optimal Start, this is the rate at which the space
temperature changes when cooling system runs at full capacity to maintain designed
occupied cooling setpoint.
D:
R:
5 °F (2.7 °C)/hr
0 to 140 °F
(0 to 77.7 °C)/hr
Cooling Design Temp
–
The geographically-based outdoor air temperature at which the
cooling system must run constantly to maintain comfort. This information is available in
ASHRAE publications and most design references.
D:
R:
100°F (37.7°C)
-100 to 150°F
(-73.3 to 65.5°C)