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AQ25244B Aquatrol Universal Injection/Mixing Boiler Reset Control Panel with DHW Priority
Part No. AQ25244B
Our Price: $445.00
The AQ252 family of AQUATROL Universal Injection/Mixing Boiler Reset Controls provides simplified, energy-efficient outdoor temperature compensated control of single-temperature, residential hydronic heating systems. The AQ252 easily converts 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 with outdoor reset for increased energy efficiency with reduced boiler cycling. AQ252 boiler controls can ensure ample supply of hot water for both space heating and priority generation of domestic hot water for bathing, dishes and laundry.
Features
Specifications
• Controls one boiler loop and one mixed temperature loop.
• Use of variable speed injection pump or motorized mixing valve for mixed temperature loop control.
• 0-10 Vdc modulating output for driving a modulating/condensing boiler or a modulating mixing valve.
• Displays of outdoor temperature on all AQ1000 thermostats when used with an AQ12C10 outdoor sensor (included).
• Intuitive programming interface and armchair programming (can be programmed at your desk and taken to the job site "ready-to-install")
• Customizable control settings and schedules allow for greater level of control and comfort.
• Central programming of set points and setback.
• 1- or 2-stage zoning.
• Zoning Control for up to four zones as shipped; can be expanded to a total of 16 zones with AQ255 or AQ257 expansion zoning panels, and up to 64 zones by using AQ254 Add-a-Temperature expansion panels.
• Outdoor temperature compensation (reset), or Load reset based on indoor temperature feedback.
• Zone synchronization through Zone of Greatest Demand control.
• Domestic hot water priority and priority override protection.
• Line or low-voltage output for zoning equipment (pumps or valves).
• Boiler short cycling protection.
• Boiler post purge.
• Freeze protection.
• Pump/valve exercise.
• Boiler shock prevention from cold water returning to boiler.
• Automated test and purge feature for quick start-up and simplified troubleshooting.
• Integral 38 VA transformer with self resetting electronic fuse.
• 4 hours power supply (super capacitor) to retain day and time settings during power outage.
• Non-volatile EPROM memory retains program settings during power outage.
• Use of variable speed injection pump or motorized mixing valve for mixed temperature loop control.
• 0-10 Vdc modulating output for driving a modulating/condensing boiler or a modulating mixing valve.
• Displays of outdoor temperature on all AQ1000 thermostats when used with an AQ12C10 outdoor sensor (included).
• Intuitive programming interface and armchair programming (can be programmed at your desk and taken to the job site "ready-to-install")
• Customizable control settings and schedules allow for greater level of control and comfort.
• Central programming of set points and setback.
• 1- or 2-stage zoning.
• Zoning Control for up to four zones as shipped; can be expanded to a total of 16 zones with AQ255 or AQ257 expansion zoning panels, and up to 64 zones by using AQ254 Add-a-Temperature expansion panels.
• Outdoor temperature compensation (reset), or Load reset based on indoor temperature feedback.
• Zone synchronization through Zone of Greatest Demand control.
• Domestic hot water priority and priority override protection.
• Line or low-voltage output for zoning equipment (pumps or valves).
• Boiler short cycling protection.
• Boiler post purge.
• Freeze protection.
• Pump/valve exercise.
• Boiler shock prevention from cold water returning to boiler.
• Automated test and purge feature for quick start-up and simplified troubleshooting.
• Integral 38 VA transformer with self resetting electronic fuse.
• 4 hours power supply (super capacitor) to retain day and time settings during power outage.
• Non-volatile EPROM memory retains program settings during power outage.
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