Note: The Fan Range Settings screen is only displayed when either CW or DX fan
control is set to a mode that modulates the fan. The modulation is scaled to cover
the full range between the minimum and maximum limits.
Modulate Min: This sets the lowest amount that the fan speed can be modulated.
Range of adjustment is 40 to 100% with a default setting of 40%.
Modulate Max: This sets the highest amount that the fan speed can be
modulated. Range of adjustment is 70 to 100% with a default setting of 100%.
Aire Seal Speed: (Shown only when Aire-Seal Damper is enabled). Sets the fan
speed when unit is in standby mode. This feature can be used to prevent backdraft
from pressure in the discharge duct. Range of adjustment is 10 to 50% with a
default setting of 20%.
Fan
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Note: The Fan Rack Settings screen is only displayed when either CW or DX fan
control is set to a Rack modulation mode.
When modulating to rack temperature, a change in fan speed is limited by these
two settings.
Ramp Step Rate: This sets the maximum amount that the fan speed can increase
or decrease in one second increments. Range of adjustment is .1 to 9.9% with a
default setting of 0.5%.
Ramp Pause delay: This sets the minimum time that the fan speed will not
change when fan speed meets the rack temperature setpoint. Range of adjustment
is 1 to 5 minutes with a default setting of 2 minutes.
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