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Rev 2/December 2020
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8.2.2 Calibration/Service Menu
•
The Calibration/Service menu provides a list of sub-menu items to accomplish all service tasks. Each sub-
menu item will be described in the following sections
•
Blower Setup:
The blower setup menu item provides an access to blower options and night setback setup
Menu
Blower
options
• Blower Options
• Manual Blower Control
This parameter allows
ONLY THE CABINET TECHNICIAN
to run the cabinet in manual mode. This means
with no controls or alarms activated. When the manual control is on, the downflow and inflow displays
will indicate nominal setpoints. Airflow adjustments can be made in the manual mode by going into
airflow calibration and adjusting the blower duty cycle. The blower duty cycle will remain constant in
manual mode. The display will also indicate the manual control is activated. When the manual control is
off, full automatic control resumes.
• Blower Lockout
This parameter allows the access to turn the blower on or off to be restricted by the use of a password.
When the blower lockout is on, pressing the blower icon will produce a numerical password screen.
Summary of Contents for LabGard NU-581-400
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