Carrier bryant Evolution Connex Control SYSTXBBECC01-C Installation Instructions Manual page 25

A13120B
5.11. Airflow Verification Check
The airflow verification check screen will appear next, as the system
performs this operation. This process will take about 1-1/2 minutes to
complete. When completed, a screen will appear displaying the results of
the check.
If the system has an indoor unit equipped with a previous-version
CFM-controlled blower system the screen will display the static pressure
(in inches of water) across the equipment at the expected highest
delivered airflow. If the blower RPM is greater than 1200, a warning will
appear, but equipment operation and the TrueSense™ dirty filter
detection operation will not be affected. Press NEXT when the airflow
verification check is complete.
If the system has an indoor unit equipped with an updated-version
CFM-controlled blower system (typically found in equipment
manufactured after November 2017), the screen will display the static
pressure (in inches) across the equipment at a pre-determined target
airflow CFM. If the achieved (actual) CFM is unacceptably below the
target CFM, a yellow notice will appear to invite the user to see the
associated information screen; equipment operation and the TrueSense™
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