654

Part of the Snow Melting Controls Series

Ordering Code: 654

UPC: 779655065404

Snow Melting Control, tekmarNet Electric or Hydronic Boiler, Mixing

 

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tekmar Home




  • Automatic snow / ice detection, supports both in-slab and retrofit aerial sensors
  • Manual start with timer, programmable schedule
  • tekmarNet (R) communication compatible, warm weather shut down
  • Cold weather cut-out, Idling
  • Snow melt zoning with priority, tandem snow / ice detection
  • Slab protection, storm
  • EconoMelt , manual override
  • Snow melt zone tracking, scenes
  • Away key, exercising
Specifications
Ambient Conditions Minus 4 to 122 degree F (Minus 20 to 50 degree C), less than 90 percent RH non-condensing, outdoor use permitted when installed
Control Type Microprocessor control, is not a safety/limit control
Dimensions 5 IN H x 3 1/4 IN W x 15/16 IN D (127 x 82 x 23 MM)
Enclosure Material White PVC plastic
Enclosure NEMA Rating NEMA 1
Markets Multifamily Homes, Single-Family Homes, Small Commercial Buildings
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 degrees F (25 degrees C plus/minus 0.2 degrees C) Beta=3892