Fan start

On initial start-up or after a power failure, the output “FanCmd” shall switch “on” after the start-up delay FOF-01,  when the input “FanEnable” is true and the “PlantMode” allows fan operation (plant mode is between 1 and 6).

The output “FanSpeedControl” shall not be lower than FSC-03 as long as “FanCmd” in “on”.

“FanSpeedControl” shall be "0" only if “FanCmd” in “off”.


Description

Units

FOF-01: delay fan start

sec

FSC-03: minimum fan speed control

%