Aprilaire® 6404 New Design Zoning Control Panel, 20 to 30 VAC, 3 A, 14.72 in H

Features

• 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 or bypassing to the returns
• LED status indicators(visible through cover), simplifies start up and troubleshooting
• Single control for all equipment types, operates single or multi-stage heat/cool or heat pumps system up to 12 zone
• Thermostat flexibility, use single or multi-stage heat/cool or heat pumps thermostats depending on the application
• Selectable staging options, stage be time, thermostat inputs or number of zone calling
• 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
• Adjustable purge timing: compatibility with all brand of equipment
• Accessory terminals: auxiliary outputs relays available to control humidifiers, electronic air cleaner or others accessories tied to heat or blower operation
• Dual fuel operation: control of heat pumps with fossil fuel auxiliary heat
• 140 deg F temperature
• 50 or 60 Hz frequency
• Can use 18 or 20 AWG solid (non-stranded) wires

Application

• Residential/Light commercial