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4.6 Test Run
•
Leave the access panel/ cabinet door open.
•
Turn on the unit and set the fan speed to max.
•
Listen to the sound/ pitch of the blower fan and feel the air volume.
•
Close the access panel/ cabinet door.
•
Make sure there is no obvious change in blower fan sound/ pitch and air volume.
•
If there is a noticeable change, a
5”x
5”
or similar size vent hole needs to be cut near
the unit to allow sufficient airflow.