CVS-21HA.rev.03 33
If the room temperature falls:
NOTE: Heater offset can be adjusted to a positive or negative value. When
positive, stage 3 operates at room temperatures below the set point as
illustrated. When negative, stage 3 may operate at room temperatures
above the set point.
When stage 3 is used for heating, stages 1 and 2 operate as described for
cooling. However stage 3 operates at room temperatures below the set
point, as described hereafter.
HEATING
If stage 3 is configured for heating, stages 1 and 2 operate as described
above (see preceding diagram).
HEATING
STAGE 3
• At POINT 1: the stage 3 heating units turn on.
• At POINT 2: the stage 3 heating units turn off.
If the room temperature rises:
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