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CVS-21HA.rev.03
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THREE DIGIT DISPLAY
Displays temperatures and other parameters shown around the
parameter selection knob.
STAGE 1 PILOT LIGHT
Turns on when the stage 1 fans are on.
STAGE 2 PILOT LIGHT
Turns on when the stage 2 fans are on.
STAGE 3 PILOT LIGHT
Turns on when the stage 3 fans or heating units are on.
TEMPERATURE CURVE PILOT LIGHT
Turns on when the temperature curve is activated. Flashes when the
temperature curve is activated and the minimum speed curve is in
operation.
DEFECTIVE PROBE PILOT LIGHT
Turns on when a defective probe is detected.
ALARM PILOT LIGHT
Turns on when the controller activates the alarm.
LOCKED PARAMETER PILOT LIGHT
Turns on when the parameters are locked.
PARAMETER SELECTION KNOB
Use this selection knob to select a parameter.
PUSH-BUTTON
Use this push-button to select a motor curve and to view or set the
points of the temperature and minimum speed curves.
ADJUSTMENT KNOB
Use this adjustment knob to adjust the value of the selected parameter.
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