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RAYDOT CVS-21HA - How the Controller Operates

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CVS-21HA.rev.03 31
COOLING
When room temperature < set point, the stage 1 fans run at minimum
speed according to the minimum ventilation speed.
At POINT 1: the stage 1 fans stop operating according to the
minimum ventilation cycle and increase in speed as the room
temperature rises.
At POINT 2: the stage 1 fans reach full speed.
At POINT 3: the stage 2 fans start to run at minimum speed and
increase in speed as the room temperature rises.
If the room temperature rises:
COOLING
STAGE 3
TEMPERATURE
SET POINT
MINIMUM
VENTILATION
CYCLE