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Glossary

 

The terms and definitions included in this glossary were taken from "ASHRAE Terminology of Heating, Ventilation, Air Conditioning & Refrigeration".
To access the complete glossary please visit ASHRAE's Bookstore.


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differential


1. of a control, the difference between cut‑in and cut‑out temperatures or pres­sures.

2. range which the controlled variable must pass in order to actuate the control element 

 





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