Aprilaire offers flexibility for all your zone control applications by providing you with all the features you demand. Accounting for excess system pressure is a requirement of any zone control system and we know there are many options for pressure relief. That is why Aprilaire supports all the popular options. You can choose from Aprilaire's exclusive 'Controlled Pressure Relief' method (which requires no bypass damper), using a bypass damper along with plenum temperature control or choosing to bypass to a dump zone.
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Any zone sets modes provides true independent control for each zone
Continuous fan be zone individual zone thermostats can call for fan operation independently for ventilation
Zone changeover based on time, if call for opposite modes exist, the control panel will alternate to satisfy each call
Fan purce: assures air is directed to lasts zone(s) calling
Short cycle protection, protects the HVAC equipment from too frequent cycles
Maintenance free, no maintenance or adjustment needed after installation
Plenum temperature control (adjustable), protects equipment from excessive high and low temperatures caused be reduced airflow when small zone are calling
LED status indicators(visible through cover), simplifies start up and troubleshooting
Time delay override speed checkout for the installed
Work with 2 or 3 wires dampers, compatibility if you are changing our an old panel with 3 wires damper
Fuse protection protects the control panel against miss wiring
Extra fuse on board: convenience if fuse blows
Adjustable purge timing: compatibility with all brand of equipment
Elec/non-elec switch proper control of the fan (G-terminal) for either electric or fossil fuel furnaces