The new Zone-ESP combines both the ESP panel with either 2 or 3 Zone Panels. Both panels are wired together and come as a single control panel ready to install with separately sold thermostats and dampers.
How it works
The system works like any standard zone control system with one exception. A static pressure sensor continuously monitors the system static pressure, and if the static goes above it’s set point the zone panel will send a signal to the dampers that are in the closed position (those not calling for heating or cooling) to start to open a small amount to keep the static from going above setpoint. The small amount of air that is allowed to bleed into the non-calling zones eliminates air noise and assures proper airflow.
Tests indicate that bleeding a small amount of conditioned air for a short period of time into non-calling zones has little impact on the zone temperature. In most cases the non-calling zones are above or below setpoint and can absorb the additional conditioned air without causing any temperature deviation.