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Boiler Control Panel with DHW priority for 4 zones of 4-wire valves

List Price:
$656.70
Our Price:
$199.00 (You save $457.70)
SKU:
AQ25044B
Brand:
Weight:
7.00 LBS

Quantity:


Product Description

Aquatrol Boiler Control Panel with DHW priority for 4 zones of 4-wire valves (with end switches)

Features

  • Controls up to 2 stages of heat from a single thermostat.
  • Use with AQ1000 2-wire communicating thermostats, or most dry contact digital thermostats. 
  • Zoning Control for up to 4 zones as shipped; can be expanded to a total of 16 zones with AQ255 or AQ257 expansion zoning panels and up to 64 zones when used with AQ254 Add-A-Temp panels. 
  • Line or low-voltage output for zoning equipment (pumps or valves). 
  • Zone synchronization through Zone or Greatest Demand control. 
  • Domestic hot water priority and priority override protection.
  • Boiler short cycling protection. 
  • Boiler post purge. 
  • Freeze protection. 
  • Pump/valve exercise. 
  • Boiler shock prevention from cold water returning to boiler. 
  • Automated test feature for quick start-up and simplified troubleshooting. 
  • Integral 38 VA transformer with self-resetting electronic fuse.
 

Specifications

Application Boiler control for zoned hydronic systems
Thermostat Compatibility AQ1000 Series 2-wire communicating thermostats and most digital thermostats
User Interface (Setting, Programming) DIP Switches
 Number of Zones Controlled 4
Boiler Heat Post Purge 30 seconds (sent to DHW tank or Zone of Greatest Demand - selectable)
Pump/Valve exercise 30 seconds per 2 weeks of space heating inactivity
Power Supply 120V/60Hz
R-C Output (on transformer) 38 VA, 24 Vac Class II
R-C Input (on Control and
Zoning Modules)
24 Vac Class II
Supply/Return Sensor Lead Length: 10 ft. (3050 mm). 10 kilohm NTC thermistor at 25 C (77 F) ±0.5F (±0.3C) up to 500 ft (150 M) using 18 AWG or larger wire
Heat Demand (Thermostat R-W)
Input
External dry contacts connection only
DHW Demand Input External dry contacts connection only
Boiler (T-T) Output Rating  24 Vac, 0.5A, 12VA
B-B Communication Bus Terminals Low voltage, Class II, 2-wire polarity-insensitive, digital communicating link to other Control or Zoning modules.
Zone Module Thermostat input Low voltage, Class II, 2-wire polarity-insensitive, digital communicating with power link to AQ1000 series thermostat.
ZR-ZC Contact Rating 120 to 240 Vac, 1/3 HP
Boiler Pump Output Rating 120 Vac/250 Vac 5A, 1/3HP
DHW Pump/Valve Output Rating 120 Vac/250 Vac 5A, 1/3HP
Auxiliary Pump Output Rating Dry contact output, 120 Vac/250 Vac 5A, 1/3 HP
Zone Output Contact Rating Pumps: 120 Vac/250 Vac, 5A, 1/3 HP
Zone Output Contact Rating Valves: 24 Vac, 0.5 A, 12 VA
Control and Zoning Panel
Temperature Rating (F)
32 F to 130 F
Control and Zoning Panel
Temperature Rating (C)
0 C to 55 C
Operating Humidity Range (% RH) 5 to 90% RH, non-condensing
Sensor Temperature Rating (F) -58 F to +230 F
Sensor Temperature Rating (C) -50 C to +110 C
Dimensions (in.) 13 in wide x 8 in. high x 3 3/8 in deep
Dimensions (mm) 33 cm wide x 20.3 cm high x 8.5 cm deep
Weight (kg) 2.3 kg
Weight (lb) 4.9 lbs
Type of Zoning Devices Controlled Zone valves with end switches
Electrical Connections (Line Voltage) Wire-clamp screw terminals, Maximum 2 x 14 AWG each on line voltage terminals
Outdoor Sensor Lead Length: 10 ft. (3050 mm). 10 kilohm NTC thermistor at 25 C (77 F) +/- 0.5F (+/-0.3C) up to 500 ft (150 M) using 18 AWG or larger wire, beta=3892.
Replacement Parts AQ15000B boiler control module
Replacement Parts AQ10X38 24 Vac 38 VA transformer
Replacement Parts AQ12C11 supply/return/mixed loop sensor
Replacement Parts AQ15740B 4-zone valve with end switch expansion module
Approvals, Canadian
Standards Association
CSA C/US Certified to CSA and UL Standards, File No. LR76030

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