Sistema e processo para controlar o posicionamento de registros dentro de um sistema de volume de ar variável, e para responder a uma mudança em temperatura do ar sendo alimentado a uma pluralidade de zonas individuais a serem aquecidas

摘要

Method and apparatus are disclosed for responding to an unpermissible rise in the supply air temperature in any zone of a variable air volume system. A warning is generated to a controller in each zone which adjusts the air flow to the zone within predetermined limits. Different adjustment occur depending on whether the temperature of the space being heated is below the zone setpoint or above the zone setpoint.