654

The Snow Melting Control 654 is designed to operate electric or hydronic equipment to melt snow or ice from any surface including driveways, walkways, patios, business entrances, parking ramps, loading docks, hospital entrances, helipads or car wash bays. The surface temperature for snow melting is controlled automatically to reduce operating energy costs. The 654 has an automatic start and stop function when used with the Snow/Ice Sensor 090 or 094. Automatic start with a timed stop is available when used with the Snow Sensor 095. The 654 can operate a dedicated hydronic boiler or a mixing device. Isolation relays are required to operate line voltage pumps. Electric systems require a separate GFCI and electrical relay contactor.

Automatic snow / ice detection, supports both in-slab and retrofit aerial sensors
Manual start with timer, programmable schedule
tekmarNet® 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

$ 756.76

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Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days

Included: Outdoor Sensor 070, Universal Sensor 082

Dimensions: 5" H x 3-1/4" W x 15/16" D (127 x 82 x 23 mm)

Ambient conditions: -4 to 122°F (-20 to 50°C), <90% RH non-condensing, outdoor use permitted when installed inside a NEMA 3 enclosure

Enclosure: White PVC plastic, NEMA type 1

Control: Microprocessor control. This is not a safety (limit) control

Warranty: Limited 3 Year Warranty

Sensors: NTC thermistor, 10 k? @77°F (25°C ±0.2°C) ß=3892

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 ? minimum load impedance, 4-20 mA 1 k? max load impedance

Optional: tekmar type #: 072, 073, 090, 091, 094, 095