Description
Aquatrol hydronic zone control panel with domestic hot water (DHW) priority that controls 4 zones of pumps or 2-wire valves.
Features
- Use with AQ1000 two-wire communicating thermostats, or most dry contact digital thermostats
- Offers zoning control for up to four zones and controls up to two stages of heat from a single thermostat
- Can expand up to 16 zones with AQ255 or AQ257 or up to 64 zones with AQ254 Add-A-Temp panels
- Line or low-voltage output for zoning equipment, including pumps or valves
- Features zone synchronization through the zone or Greatest Demand control
- Includes domestic hot water priority, priority override protection and boiler short cycling protection
- Automated test feature for quick start-up and simplified troublshooting
Specifications
- Brand: Resideo (Honeywell Home)
- Manufacturer Part #: AQ25042B/U
- Application: Boiler control for hydronic zoning systems
- Approvals and Standards: CSA C/US Certified to CSA and UL Standards, File No. LR76030
- BB - Com Terminal: Low Voltage, Class II, 2-Wire polarity-insensitive, Digital Communicating Link to other Control or Zoning Modules
- Demand Input: Heat Demand (Thermostat R-W) and DHW Demand, External dry contacts connection only
- Dip Switches: Yes
- Output Rating: Boiler (T-T): 24 V AC 0.5 A/12 V A, Boiler Pump: 120 V AC 250 V AC/5 A/1/3HP, DHW Pump/Valve: 120 V AC/250 V AC 5 A/1/3 HP, Auxiliary Pump: Dry contact output, 120 V AC/250 V AC 5 A/ 1/3 HP
- Postpurge: 30 seconds (sent to DHW tank or Zone of Greatest Demand - selectable)
- Compatible With: AQ1000 Series 2-wire thermostats, Most digital thermostats
- For Use With: Boiler Control for Hydronic Zoning Systems
- Warranty: 2 Years
- Color: Black, Red
- Pump Valve Exercise: 30 Seconds per 2 Weeks of space heating inactivity
- ZR- ZC Terminals Contact Rating: 120 V AC to 240 V AC, 1/3 HP
- Product Depth: 3.38 in, 8.5 cm
- Product Height: 8 in, 20.3 cm
- Product Weight: 4.9 lb, 2.3 kg
- Product Width: 13 in, 33 cm
- UPC: 085267748919
- Country of Origin: CN
- Category: Switching Relays