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- Programmable Relay Control Panel for 4 zones of pumps or zone valves
Programmable Relay Control Panel for 4 zones of pumps or zone valves
List Price:
Our Price:
$275.00
(You save $632.50)
SKU:
AQ25A42B
Brand:
Weight:
9.00 LBS
Product Description
Programmanble Relay Control Panel for 4 zones of pumps or valves without end switches.
Features
- Use with AQ1000 2-wire dry contact communicating thermostats and most digital thermostats.
- 0-10 Vdc modulating output for driving a modulating/condensing boiler.
- Displays outdoor temperature on all AQ1000 Series 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.
- Controls up to 2 stages of heat from a single thermostat.
- Central programming of zone set points and setbacks
- 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-Temperature panels.
- 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.
- 2 hour power supply (super-capacitor) to retain day and time settings during power outage.
- Non-volatile EPROM memory retains program settings during power outage.
Specifications
| Description | Programmanble Relay Control Panel for 4 zones of pumps or zone valves without end switches |
| Application | Boiler control for zoned hydronic systems |
| Thermostat Compatibility | AQ1000 Series 2-wire communicating thermostats and most digital thermostats |
| Setback Program | 7 day, up to 2 setback periods/day. |
| User Interface (Setting, Programming) | LCD Display and a 7 button Key Pad |
| User Interface (Setting, Programming) | DIP Switches on zoning modules |
| Number of Zones Controlled | 4 |
| Boiler Differential | 2F to 41F (1C to 23C), or Auto (minimum 2 minutes on time) |
| 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 |
| 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 (input on Control and Zoning Modules) |
| 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 |
| Auxiliary (Demand) Input | External dry contacts connection only |
| 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 |
| Auxiliary Low Voltage 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. |
| 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.) | 16 1/2 in wide x 8 in. high x 3 3/8 in deep |
| Dimensions (mm) | 42 cm wide x 20.3 cm high x 8.5 cm deep |
| Weight (kg) | 2.6 kg |
| Weight (lb) | 5.7 lbs |
| Tradeline Value | Tradeline |
| Type of Zoning Devices Controlled | Zone pumps or 2-wire valves (line voltage) |
| 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 | AQ15A00B boiler control module |
| Replacement Parts | AQ15540B 4-zone pump expansion module |
| Replacement Parts | AQ10X38 24 Vac 38 VA transformer |
| Replacement Parts | AQ12C10 outdoor sensor |
| Replacement Parts | AQ12C11 supply/return/mixed loop sensor |
| Approvals, Canadian Standards Association | CSA C/US Certified to CSA and UL Standards, File No. LR76030 |
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