Product Description
Overview Replacement control modules for AQ2000 panels Product SpecificationsApplicationReplacement boiler control module for AQ25ADimensions (in.)7 1/8 in wide x 2 1/2 in high x 4 1/4 in deepDimensions (mm)18 cm wide x 94 cm high x 10.09 cm deepWeight (lb)1.0 lbsWeight (kg)0.5 kgApprovals, Canadian Standards AssociationCSA C/US Certified to CSA and UL Standards, File No. LR76030Setback Program7 day, up to 2 setback periods/day.User InterfaceLCD Display and a 7 button Key PadBoiler Control Temperature (F)Differential--2 F to 41 F or Auto (minimum 2 minutes on time)Boiler Control Temperature (C)Differential--1 C to 23 C or Auto (minimum 2 minutes on time)Boiler Heat Post Purge30 seconds (sent to DHW tank or Zone of Greatest Demand - selectable)Pump/Valve exercise30 seconds per 2 weeks of space heating inactivityR-C Input (on Control and Zoning Modules)24 Vac Class II (input on Control and Zoning Modules)Demand InputHeat Demand (Thermostat R-W), Auxiliary Demand, and DHW Demand--External dry contacts connection onlyB-B Communication Bus TerminalsLow voltage, Class II, 2-wire polarity-insensitive, digital communicating link to other Control or Zoning modules.Output RatingsBoiler (T-T)-- 24 Vac, 0.5A, 12VA; Auxiliary Low Voltage-- 24 Vac, 0.5A, 12VAMixing Valve Modulating Output0-10 Vdc to boilerElectrical ConnectionsWire-clamp screw terminals, Maximum 2 x 14 AWG each on line voltage terminalsOperating Humidity Range (% RH)5 to 90% RH, non-condensingTemperature Ratings (C)Panel--0 C to 55 CTemperature Ratings (F)Panel--32 F to 130 F