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Tekmar Smart Boiler Control 294
Watts

Tekmar Smart Boiler Control 294

The Smart Boiler Control 294 provides central and indirect domestic hot water heating or volume domestic hot water heating by operating up to four boilers. This can be expanded in groups of four boilers through the use of expansion controls up to a maximum of sixteen boilers. The 294 operates both condensing and non-condensing boilers that are either modulating, single, two, three or four-stage to provide a flexible, cost effective hybrid boiler plant solution. The Watts® OnSite web and mobile applications provide real-time remote monitoring, setting adjustments, and notifications.

Features

  • Supports reverse return, primary-secondary and variable primary flow piping systems
  • Sequential or parallel staging for condensing and non-condensing boiler groups
  • Remote access using Watts OnSite web/mobile app and notifications through email, SMS or push messages
  • Operates 4 boilers, expandable up to 16 using expansion controls
  • Central heating using outdoor reset, indirect DHW, dedicated DHW, setpoint and tekmarNet calls
  • 5 inch color touchscreen with Setup Wizard for simplified installation
Specification
  • Specifications
    Agency ApprovalsCSA C US, FCC Part 15B, ICES-003 Class A
    Ambient ConditionsIndoor use only, 32 to 122 degrees F (0 to 50 degrees C), less than 90 percent RH Non-condensing, Altitude < 6560 feet (2000 m), Installation Category II, Pollution Degree 2
    Calls24 V (ac) or Short
    Control TypeMicroprocessor control, this is not a safety (limit) control
    Dimensions9" H x 8" W x 2-11/32" D (229 x 203 x 60 mm)
    Display5" color touchscreen
    Enclosure MaterialBlue ABS plastic
    Enclosure NEMA RatingNEMA 1
    Modulating Output0-10 V (dc) 500 ohms minimum load impedance / 4-20 mA 1 k ohms max load impedance
    Power Supply115 V (ac) plus / minus 10 percent, 60 Hz, 9 W
    Pump Relay230 V (ac), 5A, 1/3 hp
    Sensor

    NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892


Technical specification
  • Unique ref.tekmar-294
  • Product familyHVAC & Hot Water Solutions
  • Product groupControls > Multi-Staging
  • TypeObject (single object)
  • Date of publishing2022-08-04
  • Edition number1
Related
  • Designed inCanada
  • Manufactured inCanada
Classification
  • BIMobject CategoryElectrical - Controls
  • IFC classificationElectrical Element
  • UNSPSC nameElectrical controls and accessories
  • UNSPSC code391215
  • Uniclass 2015 CodePr_80_51
  • Uniclass 2015 DescriptionMeasuring and metering products
  • CSI MasterFormat 2014 Code26 09 16
  • CSI MasterFormat 2014 TitleElectrical Controls and Relays
  • OmniClass Number23-27 11 15
  • OmniClass TitleFlow Measuring Instrument And Controls
  • CSI UniFormat II CodeD3060
  • CSI UniFormat II TitleControls and Instrumentation

Region availability

North America
Canada
United States