Start-up
VVT Zone II Controller
CARRIER CORPORATION ©2019
Installation and Start-up Guide
All rights reserved
45
3
In the tree, select the Bypass controller, then go to
Properties
>
Control Program
>
Status
. Note the
Static
Pressure
value, then go to
Unit Configuration
>
Bypass Control
>
Details
tab.
○
If
Damper Position
is 0% or
VFD Output
is 100%, enter the static pressure in the
Duct Static Pressure
Setpoint
field.
○
If the
Damper Position
is not 0% or
VFD Output
is not 100%, enter the static pr.1” (.025 kPa) in
the
Duct Static Pressure Setpoint
field. Wait 1–2 minutes, then verify that the
Damper Position
is 0% or
VFD Output
is 100%. If not, repeat the process, adding .05” (.012 kPa) to the previous
Duct Static
Pressure Setpoint
until the
Damper Position
is 0% or
VFD Output
is 100%.
4
For each zone in the system that was balanced, go to its
Pressure Dependent Control
>
Details
tab, then
click
Automatic Control
to return the zone to normal control.
5
In the tree, select the air source controller, then do one of the following.
a)
For an RTU Open or WSHP Open controller, go to
Properties
>
Control Program
>
Configuration
>
Service
Configuration
>
Service Test
and disable
Service Test
and
Fan Test
.
b)
For any equipment whose wiring was disconnected to insure that only the fan only was running,
reconnect it the wires for normal operation.
CAUTION
You must complete steps 4 and 5 to prevent loss of temperature control to the space and to
maintain normal operation of the system.
Summary of Contents for VVT Zone
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