Page 28
ECS-3M
FAN 2 DIFFERENTIAL
The Fan 2 differential setting is the
temperature at which Fan 2 reaches maximum
speed. The value entered is the temperature
difference
above the Fan 2 relative set point
temperature setting.
The Fan 2 differential is adjusted in 0.5 degree
increments from a minimum setting of 2.0°F
(1.0°C) to a maximum setting of 18.0°F (10.0°
C).
Adjusting the Fan 2 differential:
•
rotate the Selector dial to position (6),
• rotate the Adjuster dial counterclockwise
to decrease the Fan 2 differential setting,
clockwise to increase it.
The Fan 2 differential setting is displayed on
the ECS.
Example: The main set point temperature
of the room is 70°F. A Fan 2 relative set
point of 5°F along with a Fan 2 differential
setting of 5°F is set. When the
temperature of the room reaches 80°F
Fan 2 operates at its maximum speed.
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