Appendix A: VVT Bypass II Points/Properties
VVT Bypass II Controller
CARRIER CORPORATION ©2019
Installation and Start-up Guide
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43
Alarms
Navigation:
i-Vu® / Field Assistant:
Properties
>
Control Program
>
Alarms
Point Name/Description
Range
Supply Air Temperature Alarm
– Indicates if the supply air temperature exceeds the
high temperature alarm limit or drops below the low temperature alarm limit.
R: Normal/Alarm
Airside Linkage Alarm
– Indicates that it lost Linkage communications with the air
source.
R: Normal/Alarm
Linkage
Navigation:
i-Vu® / Field Assistant:
Properties
>
Control Program
>
Linkage
Point Name/Description
Range
Air Linkage Status
– If
Active
, the controller is part of a linked system. If
Not Active
, the
controller is operating as a stand-alone device.
R: Active/Not Active
Air Source Mode
– If
Airside Linkage Status
is
Active
, this is the current mode of the
linked air source. If
Airside Linkage Status
is
Not Active
, this is the mode of the air
source as determined by the zone controller’s SAT sensor.
R: OFF
WARMUP
HEAT
COOL
FREECOOL
PRESSURE
EVAC
VENT
Air Source Supply Air Temp
– Shows the air source’s SAT when
Airside Linkage Status
is
Active
. If
Airside Linkage Status
is
Not Active
, the controller's local DAT sensor value
is displayed.
R: -56 to 245°F
(-48.9 to 118.3°C)
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