HONEYWELL AQ2514B4 Aquatrol Boiler Reset Control Panel for 4 Zone Valves with End Switches. The AQ2514B family of Aquatrol Boiler Reset Controls provides simplified, energy-efficient outdoor temperature compensated control of single-temperature, residential hydronic heating systems. It works with the AQ1000T communicating thermostats to convert a single zone heating system into a room-by-room comfort control system, or upgrades a basic relay-logic zoning system to intelligent "zone of greatest demand" control for increased energy efficiency and reduced boiler cycling.
Factory configured for control of up to four zones plus domestic hot water.
Expandable up to 16 zones with expansion zoning modules (sold separately).
Menu-based 3-line backlit LCD display.
Separate user and installer configuration modes.
Outdoor reset of boiler temperature.
Optional Load reset of boiler temperature based on thermostat demand.
Warm weather shut down. Installer program backup.
Centralized 7-day setback program with warm-up boost.
Single stage boiler control synchronized to zone-of-greatest-demand.
Reduced boiler short-cycling. Integral Domestic Hot Water control.
Installer selectable DHW Priority.
Installer selectable DHW Priority Override.
Boiler shock protection.
Burner short cycle protection.
Boiler heat post purge. Self-test mode.
Replacement Parts: AQ1574V4 4-zone valve with end switch expansion module. AQ10X38 24 Vac 38 VA transformer, AQ12C10 outdoor sensor, AQ12C11 supply/return sensor.