Appendix A: VVT Zone II Points/Properties
VVT Zone II Controller
CARRIER CORPORATION ©2019
Installation and Start-up Guide
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77
Service Configuration
Navigation:
i-Vu® / Field Assistant:
Properties
>
Control Program
>
Configuration
>
Service Configuration
Point Name/Description
Default/Range
Terminal Type
– The type of zone terminal that the controller is installed on.
D:
R:
Single Duct
Single Duct
Parallel
Series Fan
Damper Size (dia.)
– Used by the VVT Master to calculate the weighted average
demand. If the zone damper is round, enter its diameter. If rectangular, enter 0.
D:
R:
6.00 in. (15.2 cm)
0 to 100.00 in./cm
Damper Area (area)
– Used by the VVT Master to calculate the weighted average
demand. If the damper is rectangular, enter its area (width x height). If the damper is
round, enter 0.
D:
R:
0 sq.in. (cm. sq.)
0 to 9999 sq.in.
(cm. sq.)
Terminal Fan Airflow
– Enter the terminal fan airflow in cfm (liters/second). Used in
performance calculations only. Available only on fan-enabled terminal box.
D:
R:
1000 cfm
(472 liters/second)
0 to 99999 cfm
(liters/second)
External Actuator Enable
– Enable if the controller's analog output is used for an
external high-torque or slave actuator. Enabling this setting disables the output for
Modulating Hot Water or Combination reheat functions.
D:
R:
Disable
Disable/Enable
Heat Type
– The type of supplemental reheat that the zone controller will control. The
heat may be used with system heat, depending on the space temperature demand.
Options:
None
– no heat
Modulating
– ducted or baseboard modulating hot water
Two Position
– two position hot water
Staged EH
– ducted or baseboard electric heat
Combination
– combination baseboard modulating hot water and ducted staged
electric heat
SCR Electric
– modulating control for SCR-type electric heater
D:
R:
None
None
Modulating
Two Position
Staged EH
Combination
SCR Electric
Ducted Heat
– Determines whether the zone is using ducted heat or baseboard. If
Heat
Type
is
Combination
, set this field to
Yes
for ducted heat.
D:
R:
Yes
No/Yes
Number of Heat Stages
– The number heat stages when the
Heat Type
is
Staged EH
.
Fan powered terminals are limited to no more than 2 stages.
D:
R:
Two stages
One stage
Two stages
Three stages
Valve Type
– Two Position hot water only - The hot water valve's position with no power
applied to the valve.
D:
R:
NC
NC/NO (normally
closed/normally open)
Содержание VVT Zone
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