Start-up
VVT Bypass II Controller
CARRIER CORPORATION ©2019
Installation and Start-up Guide
All rights reserved
25
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.
Содержание VVT Bypass II
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