ARTC-SVX013A-EN
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Table 13. Fan control options
Screen Controls Access
Common Controls:
• P-Gain is the proportional component of the
control loop.
• Integral for the control loop in seconds.
• Min and Max Speeds allow user to tailor the
controls to the application.
• Start Speed ensures refrigerant movement during
start-up phase of the circuit.
• Failover Speed allows for fault tolerance of
sensors in the system.
• Maximum/Minimum SP – Restriction values for
the SP.
• Off Delay and Off Speed – When fan turns off it
still runs for this delay at this speed.
Main Menu > Devices Menu > Fan>
Setup>Common Parameters
Ambient-based SP control:
• Uses chiller Capacity Compensation algorithm.
• Resulting SP includes also the dynamic portion
based on the following parameters:
– Minimum Approach allows for fine tuning of
dry bulb operation of the coils
– Maximum Approach works with the aspects
of the chiller to optimize efficiency across the
range of operation
Operating Procedures
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