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Start-up
i)
Using a branch-tee, connect a magnehelic gauge to the High connector on the controller's airflow
sensor, then measure the static pressure. If the measured static pressure is different from the Duct
Static Pressure by ±.05 in. (+.012 kPa), click Pressure Sensor Cal, enter the measured value next to
the button, then click Apply.
j)
Remove the magnehelic gauge from the High connector, then reinsert the pressure tubing.
k)
Click Automatic Control to return the bypass to normal control.
l)
Enable the air source's heating and cooling outputs using one of the following methods:
• Reconnect the air source controller's output wiring at the unit.
• In the i-Vu® or Field Assistant tree, select the RTU Open controller. Go to Properties > Control
Program >
Configuration > Service Configuration > Service Test, then disable Service Test and Fan
Test. Make sure all other outputs under Service Test are disabled.
VVT Bypass Controller
Installation and Start-up Guide
Carrier Proprietary and Confidential
20
CARRIER CORPORATION ©2017
All rights reserved
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