Sub-zone control in heating and ventilation systems

Details Sub-zone control in heating and ventilation systems Sub-zone control in heating and ventilation systems

F - Mech Eng,Light,Heat,Weapons

25

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F25B 29/00 (2006.01) F24F 11/00 (2006.01) G05D 23/19 (2006.01) F24F 3/00 (2006.01)

Patent

CA 1187966

SUB-ZONE CONTROL IN HEATING AND VENTILATION SYSTEMS ABSTRACT OF THE DISCLOSURE A system for controlling heating and cooling of sub zones in a building each having its own thermostat in- cludes a central controller arranged to stack signals from the thermostats in an order of receipt and to act upon each in turn to control heating and cooling means to supply the required heated or cooled air to all the sub zones. The controller also acts to inhibit the effect of the heated or cooled air in those sub zones requiring the opposite. This is done in one arrangement by a baffle reducing the air flow and in another arrangement including a heat pump for heating and cooling the air by transferring heat bet- ween the air supplied to that zone and the water down- stream of the heat pump.

430164

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