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671 | Snow Melting Control - Pulse Width Modulation | Tekmar

Brand: TekmarSKU: 671

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Overview Details for 671

Snow Melting Control - 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. The Watts^® Home mobile application allows for remote operation and monitoring of the snow melting system from anywhere in the world.

Features

Automatic software updates
Idling
Economelt
Manual storm
Automatic snow/ice detection
Supports both inslab and retrofit aerial sensors
Supports multiple zones with priority
Cold weather cut off
Warm weather shut down

Specifications

Item Number	671
Brand	Tekmar
Category	Snow Melting Controls
Agency Approvals	CSA C US, meets Class B: ICES & FCC Part 15
Ambient Conditions	-4 to 122 degree F (-20 to 50 degree C), less than 90 percent RH non-condensing, outdoor use permitted when installed inside an NEMA 3 enclosure
Communications Type	WiFi 802.11n, 2.4 GHz, WPA2 encryption
Control Type	Microprocessor control. This is not a safety (limit) control
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 Material	Blue PVC plastic
Enclosure NEMA Rating	NEMA 1
Manual Melt Call	Short or 0 - 32 V(ac)
Power Supply	115 V (ac)plus / minus 10 percent, 60 Hz, 20 VA
Relay	230 V (ac), 5 A, 1/3 hp
Sensor	NTC thermistor, 10 k ohms at 77 degree F (25 degree Cplus / minus 0.2 degree C) Beta =3892
Snow Melting Control Type	Snow Detector and Melting Control