Automatic temperature and humidity regulation – Ventilator type – Electrically actuated
Patent
1996-05-20
1997-02-25
Tapolcai, William E.
Automatic temperature and humidity regulation
Ventilator type
Electrically actuated
165209, 165217, F24F 3044
Patent
active
056052804
ABSTRACT:
A variable air volume heating and cooling system that provides automatic system-wide airflow balancing is disclosed. To balance the system, each terminal box maximum airflow setting is automatically and continuously adjusted in response to central supply fan loading conditions together with local zone conditions. The new system has the advantage of automating both initial air balancing of terminal units at the time of installation, as well as rebalancing to respond to changing conditions, without technician intervention. Substantial savings in energy cost can be achieved since the operating curve of each terminal unit is automatically adjusted to demand no more conditioned air volume than necessary.
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