Phason Plus Touch Series, Руководство пользователя

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Chapter 4: Programming the Plus Touch
50
How variable stage cooling works

When the temperature is below the
idle range
temperature, the fan is off.

When the temperature reaches the
idle range
temperature, the fan runs at the
idle speed
. The
fan continues to run at the
idle speed
until the temperature rises to the
set point
temperature.

When the temperature is between the
set point
and
on differential
temperatures, fan speed
increases or decreases proportionally with the temperature.

When the temperature is at or above the
differential
temperature, the fan runs at full speed.
Use the
Variable stage settings worksheet
on page 83 when programming variable
stages.
Fan speed
Fan speed increases as the temperature rises, or decreases
as the temperature falls.
The fan runs at idle speed .
The temperature band between the idle range and the set
point is sometimes called the idle band .
The fan is off when the temperature is below the idle range .
The fan runs at full speed.
Differential
Idle range
Idle speed
Set point