OM0295
Rev 2 September 2020
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7.5.3.2 Exhaust Volume Calibration with the NU-951-012 Motorized Butterfly Valve
To activate the exhaust control, perform the following:
Select Option Set Up.
Step 1: Activate power to the cabinet
Turn on exhaust system and make sure damper actuator is plugged into the 3 position connector
on the top right side of the cabinet.
Access sensor setup menu
Step 2: Access calibrate downflow sensor menu and spot check a few downflow points to verify
downflow is close to the desired setpoint of 60 fpm + 5 fpm. Adjust if necessary.
Step 3: Set damper position to 60
°
on the display. NuAire recommends using the damper position
at 60
°
to minimize static loss and maximum controllability of the system. However,
THE
DAMPER CAN RANGE FROM 35
°
TO 75
°
FOR ITS NOMINAL SETPOINT. ANY POSITION OUTSIDE
THIS RANGE WILL SEVERELY LIMIT THE CONTROL SYSTEMS ABILITY TO ACCURATELY CONTROL
Summary of Contents for LabGard NU-560-400
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