Definition Of Terms; Chapter 2 - Installation - Varifan ECS-4+ User Manual

MAIN SET POINT
The desired room temperature. Other temperature settings
on the ECS-4+ are relative to the main set point
temperature.
RELATIVE SET POINT
A value added to or subtracted from the main set point
which results in a new temperature at which a desired
action starts or stops.
ROOM TEMPERATURE
The actual temperature of the room.
MINIMUM FAN SPEED
The desired minimum speed for variable speed fans.
RAMPING
An automatic daily reduction in the main set point and all
temperature settings relative to this.
AIR INLET BAFFLE BOARD
A device which regulates air flow into a building by
controlling the opening or closure of an air passage.
DIFFERENTIAL
ON/OFF (relay), Range of temperature where 2 conditions
are possible. The output depends on whether the
temperature is increasing or decreasing when it enters that
range.
VARIABLE (Bandwidth). Temperature range when a
variable speed fan accelerates, as the temperature
increases. Minimum value at relative set point and 100% at
relative set point +Bandwidth.
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CHAPTER 2 - INSTALLATION

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