WiFi Snow Melting Control 671 - Pulse Width Modulation

The WiFi Snow Melting Control 671 operates hydronic and electric heating equipment designed to melt snow and/or ice from roads and walkways surfaces. The control works with tekmar Snow/Ice Sensor 090 or Snow Sensor 095 to automatically detect snow or ice and operates a single boiler, steam valve or electric cable to supply heat to the slab.

Features

• Automatic snow/ice detection
• Automatic software updates
• Cold Weather Cut Off
• EconoMelt
• Equipment exercising
• Idling
• Manual Storm
• Supports both inslab & retrofit aerial sensors
• Supports multiple zones with priority
• Tandem Snow/Ice Detection
• Warm Weather Shut Down

Specifications

• Control: Microprocessor control. This is not a safety (limit) control
• Packaged weight: 4.3 lb. (1960 g)
• Dimensions: 6-5/8" H x 7-9/16" W x 2-13/16" D (170 x 193 x 72 mm)
• Display: 3.5" color touchscreen
• Enclosure: Blue PVC plastic, NEMA type 1
• Approvals: CSA C US, meets Class B: ICES & FCC Part 15
• 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: 115 V (ac) ±10%, 60 Hz, 20 VA
• Relays: 230 V (ac), 5 A, 1/3 hp
• Manual melt call: Short or 0 - 32 V(ac)
• Communications: WiFi 802.11n, 2.4 GHz, WPA2 encryption
• Sensor: NTC thermistor, 10 k @ 77°F (25°C ±0.2°C) =3892
  • -Included Outdoor Sensor 070
  • -Optional: tekmar type # 072, 073, 087, 090, 094, 095
• Warranty: Limited 3 Year Warranty