Carrier VVT Zone - Page 68

Appendix A: VVT Zone Controller Points/Properties
64 VVT Zone Controller
Point Name/Description
Default/Range
Outdoor Air Temperature Source
– The source of the outside air temperature. R: N/A
Local
Network
Linkage
Locked Value
Heat Delay –
The status of the terminal heat delay. R: Inactive/Active
Remaining Heat Delay –
If
Heat Delay
is
Active
, this is the remaining delay time. R: 0 to 60 minutes
Cooling Demand Level
– The system cool demand level being received over the
network.
R: 0 to 3
Heating Demand Level
– The system heat demand level being received over the
network.
R: 0 to 3
Calculated DCV Damper Position –
If the controller is in IAQ Override mode, this is the
calculated minimum damper position that will be maintained to satisfy the mode.
R: 0 to 100%
Calculated Dehumidify Dmpr Position –
If the controller is in Dehumidify mode, this is
the calculated minimum damper position that will be maintained to satisfy the mode.
R: 0 to 100%
Reset Filter Alarm
– Set this to
On
to reset an active
Filter Alarm
and restart the
Filter
Service Alarm Timer
. After the alarm returns to normal, this automatically changes to
Off
.
D:
R:
Off
On/Off
Occupancy Contact State
- The physical state of the
Remote
input. R: Open/Closed
Occupancy
BAS On/Off
– Determines the occupancy state of the controller and can be set over
the network by another device or third party BAS.
Options:
•
Inactive
– Occupancy is determined by a configured schedule.
•
Occupied
– The controller is always in the occupied mode.
•
Unoccupied
– The controller is always in the unoccupied mode.
NOTE
If
BAS On/Off
is set to either
Unoccupied
or
Occupied
, the
Optimal Start
routine
is automatically disabled.
D:
R:
Inactive
Inactive
Occupied
Unoccupied
Schedules
– The controller's occupancy status based on the schedule. R: Occupied/Unoccupied
Pushbutton Override
–
Active
indicates if a user pushed the sensor's override button to
override the occupancy state.
R: Off/Active
Override Time Remaining
– The amount of time remaining in an override period. R: 0 to 480 minutes
Occupancy Contact Status
– The physical state of the controller's
Remote
input. R: Inactive
Active Unoccupied/Stdby
Global Occupancy –
The current state of the
System Occupancy
network input. D:
R:
Unoccupied
Unoccupied/Occupied