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Additional Description
Direct operation/ reverse operation explanation
1. Direct operation: freezing
2. Reverse operation: heating
Proportional band
SP
PV high
Temperature
Cycle Time
OFF time
ON time
<Figure3.2.2> Temperature Direct operation Output
Proportional band
SP
PV high
Temperature
Cycle time
OFF time
ON time
<Figure3.2.3> Temperature Reverse operation Output