Honeywell AQ15100B Aquatrol® boiler reset module used with AQ251 series

Product Specifications

Application

Replacement boiler control module for AQ251

Dimensions (in.)

7 1/8 in wide x 2 1/2 in high x 4 1/4 in deep

Dimensions (mm)

18 cm wide x 94 cm high x 10.09 cm deep

Weight (lb)

1.0 lbs

Weight (kg)

0.5 kg

Approvals, Canadian Standards Association

CSA C/US Certified to CSA and UL Standards, File No. LR76030

Setback Program

7 day, up to 2 setback periods/day.

User Interface

LCD Display and a 7 button Key Pad

Boiler Control Temperature (F)

Supply–Max: OFF, 120F to 225 F; Min: OFF, 59F to 180F; Differential–2 F to 41 F or Auto (minimum 2 minutes on time)

Boiler Control Temperature (C)

Supply–Max: OFF, 49C to 107 C; Min: OFF, 15C to 82C; Differential–1 C to 23 C or Auto (minimum 2 minutes on time)

Boiler Design Temperature (F)

80F to 210F

Boiler Design Temperature (C)

26C to 99C

Outdoor Low Design Control Temperature (F)

-60F to 32F

Outdoor Low Design Control Temperature (C)

-51 C to 0 C

Return Min. Control Temperature (F)

80 F to 180 F

Return Min. Control Temperature (C)

27C to 82C

Boiler Heat Post Purge

Off, 10 seconds to 30 minutes (factory default is 30 seconds)

Pump/Valve exercise

30 seconds per 2 weeks of space heating inactivity

R-C Input (on Control and Zoning Modules)

24 Vac Class II (input on Control and Zoning Modules)

Demand Input

Heat Demand (Thermostat R-W), Auxiliary Demand, and DHW Demand–External dry contacts connection only

B-B Communication Bus Terminals

Low voltage, Class II, 2-wire polarity-insensitive, digital communicating link to other Control or Zoning modules.

Output Ratings

Boiler (T-T)– 24 Vac, 0.5A, 12VA; Auxiliary Low Voltage– 24 Vac, 0.5A, 12VA

Mixing Valve Modulating Output

0-10 Vdc to boiler

Electrical Connections

Wire-clamp screw terminals, Maximum 2 x 14 AWG each on line voltage terminals

Operating Humidity Range (% RH)

5 to 90% RH, non-condensing

WWSD (Warm Weather Shut Down) Temperature (F)

Off, 35 F to 100 F

WWSD (Warm Weather Shut Down) Temperature (C)

Off, 1 C to 38 C

Temperature Ratings (C)

Panel–0 C to 55 C

Temperature Ratings (F)

Panel–32 F to 130 F