Zone system control

Details Zone system control Zone system control

1997-09-15

1998-11-03

Wayner, William

Automatic temperature and humidity regulation

Ventilator type

Electrically actuated

165208, 165217, F24F 700, F24F 314

Patent

active

058296743

ABSTRACT:
A device and method for controlling the conditioning of air in the zones of a forced air HVAC system. The device comprises thermostats located in at least two different zones, air ducts and dampers located therein to control the flow of air to the different zones. The microprocessor receives signals from the thermostats corresponding to perceived temperatures in the zones and compares the perceived temperatures to predetermined temperatures and determines a trajectory for each of the zones. The microprocessor in turn sends signals to the dampers corresponding to a positions between fully open and fully closed to control the amount of conditioned air through the ducts such that each of the zones follows the trajectory and reaches the predetermined temperatures at about the same time. The microprocessor further determines system demand and turns the HVAC system on and off in response to the system demand.

REFERENCES:
patent: 5344069 (1994-09-01), Narikiyo
patent: 5348078 (1994-09-01), Duchane et al.
patent: 5415346 (1995-05-01), Bishop

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