Carrier VVT Zone II Installation And Startup Manual page 49

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 pressure +.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.
VVT Zone II Controller
Installation and Start-up Guide
45
Start-up
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