Using flow sensors
TruVu™ UCXP683T
-V
CARRIER CORPORATION ©2021
Installation and Start-up Guide
All rights reserved
33
To set up the Airflow Control microblock
The TV-UCXP683T-V's control program must include one Airflow Control microblock for a single duct system or two
of the microblocks for a dual duct system. You must set up the Airflow Control microblock for each flow sensor
when creating a program in Snap.
In a single duct system
1
In the Snap application, set the Airflow Microblock
Properties Editor
>
Hardware Configuration
>
Primary Use
to
Cooling
.
2
Save your control program.
3
In the i-Vu® interface on the control program's
Logic
page, select the Airflow Control microblock.
4
On the
Details
tab in the
Flow Sensor
field under
Hardware Configuration
, select
Integral - onboard
.
5
In the
Damper Actuator
field, select
Integral - onboard
.
In a dual duct system
1
In the Snap application, set the Airflow Microblock
Properties Editor
>
Hardware Configuration
>
Primary Use
to
Cooling
.
2
Save your control program.
3
In the i-Vu® interface on the control program's
Logic
page, select the Airflow Control microblock for Flow #1.
4
On the
Details
tab under
Hardware
in the
Flow Sensor
field, select
Integral - onboard
.
5
In the
Damper Actuator
field, select
Built-in actuator
.
6
On the
Logic
page, select the Airflow Control microblock for Flow #2.
7
On the
Details
tab under
Hardware
in the
Flow Sensor
field, select
Integral - remote
.
8
In the
Damper Actuator
field, select
Integral - remote
.
NOTES
•
When performing test and balance, follow the steps under
Test and Balance
on the Airflow Control
microblock's
Properties
page
Details
tab.
•
If you are using a version of the Snap application that is prior to v7.0, you must change the
Damper Motor
Travel Time
to 154 seconds.
See
Input values
(page 29) for information on the Special Binary input that indicates a communication loss to the
airflow sensor.
Содержание TruVu UCXP683T-V
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