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Part of the 654 Series

Ordering Code: 654

UPC: 779655065404

Snow Melting Control, tekmarNet Electric or Hydronic Boiler, Mixing


Quick links:

Control Selector

tekmar Home

  • EconoMelt , manual override
  • Snow melt zone tracking, scenes
  • Manual start with timer, programmable schedule
  • Snow melt zoning with priority, tandem snow / ice detection
  • Away key, exercising
  • Slab protection, storm
  • Cold weather cut-out, Idling
  • Automatic snow / ice detection, supports both in-slab and retrofit aerial sensors
  • tekmarNet (R) communication compatible, warm weather shut down
Ambient Conditions -4 to 122 degree F (-20 to 50 degree C), less than 90 percent RH non-condensing, outdoor use permitted when installed
BACnet or Modbus Communication No
Control Type Microprocessor control, this is not a safety (limit) control
Dimensions 5" H x 3-1/4" W x 15/16" D (127 x 82 x 23 mm)
Enclosure Material White PVC plastic
Enclosure NEMA Rating NEMA 1
Heat Source Stages 1
Mixing Yes
Mobile App Access No
Modulating Output 0-10 V (dc), 500 ohms minimum load impedance, 4-20 mA 1 k ohms max load impedance
Power Supply 24 V (ac)plus / minus 10 percent, 60 Hz, Class 2, 16 VA standby, 100 VA fully loaded
Relay Capacity 24 V (ac) 2 A, 3.6 A combined
Sensor NTC thermistor, 10 k ohms at 77 degree F (25 degree Cplus / minus 0.2 degree C) Beta =3892
Snow Melt Zone Coordination Yes
Snow Melting Control Type Snow Melting Control
Tandem Snow Ice Sensors With Extra Control
tekmarNet Communication Yes