Tekmar 654 Snow Melt Control - TekmarNet Electric or Hydronic Boiler / MixingTekmar 654 Snow Melt Control TekmarNet Electric or Hydronic Boiler Mixing Features: Alert Output Automatic Snow Ice Detection Away Key Cold Weather Cut Out EconoMelt Exercising Idling Manual Override Manual Start With Timer Programmable Schedule Scenes Slab Protection Snow Melt Zone Tracking Snow Melt Zoning with Priority Storm Supports Both Inslab & Retrofit Aerial Sensors Tandem Snow Ice Detection Warm Weather Shut Down tekmarNet Communication

Tekmar 654 Snow Melt Control - TekmarNet Electric or Hydronic Boiler / Mixing

Features:

• Alert Output

• Automatic Snow / Ice Detection

• Away Key

• Cold Weather Cut Out

• EconoMelt

• Exercising

• Idling

• Manual Override

• Manual Start With Timer

• Programmable Schedule

• Scenes

• Slab Protection

• Snow Melt Zone Tracking

• Snow Melt Zoning with Priority

• Storm

• Supports Both Inslab & Retrofit Aerial Sensors

• Tandem Snow / Ice Detection

• Warm Weather Shut Down

• tekmarNet^® Communication Compatible

Specifications:

• Packaged Weight - 1.3lb
• Control - 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 - White PVC plastic, NEMA type 1
• Ambient Conditions - -4 to 122°F (-20 to 50°C), <90% RH non-condensing, outdoor use permitted when installed inside a NEMA 3 enclosure
• Power Supply - 24 V (ac) ±10%, 60 Hz, Class 2, 16 VA standby, 100 VA fully loaded
• Relay Capacity - 24 V (ac) 2 A, 3.6 A combined
• Modulating Output - 0-10 V (dc), 500 Ω minimum load impedance, 4-20 mA 1 kΩ max load impedance
• Sensor - NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
• Included - Outdoor Sensor 070, Universal Sensor 082
• Optional - tekmar type #: 072, 073, 090, 091, 094, 095
• Warranty - Limited 3 Year Warranty

Installation Manual