AC Infinity AIRLIFT Series User Manual page 25

Shutter exhaust fan system
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PROGRAMMING
TRANSITION HUMIDITY SETTING
Adjusts the transition threshold between the fan
speeds in the AUTO Mode humidity triggers.
Press the up or down button to cycle through 0% to
8% to set a transition threshold. The fan speed will
be set one level above the OFF Mode speed when
the sensor humidity first meets or exceeds the high
temperature trigger. For every transition threshold
crossed, the fan speed will ramp up by one speed
level, up until it reaches the speed set in ON Mode.
In this example, your high humidity trigger is set at
67%, the OFF Mode speed is 2, and the ON Mode
speed is 7. If the transition threshold is set to 0%,
then the fan will trigger to run at speed 7 when the
sensor temperature meets or exceeds 67%. However,
if the transition threshold is set to 5%, then the fan will
trigger to run at speed 3 when it meets or exceeds
67%. It will then step up to speed 4 when meeting
or exceeding 72%, speed 5 at 77%, and speed 6 at
82%. From 87% on, it will run at speed 7, the speed
set in ON Mode.
25

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