Tekmar 671 Snow Melting Control - Pulse Width Modulation

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Tekmar 671 Snow Melting Control - Pulse Width Modulation Features: Automatic software updates Idling Economelt Manual storm Automatic snow/ice detection Supports both inslab and re trofit aerial sensors Supports multiple zones with priority Cold weather cut off Warm weather shut down Specifications: 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 Analog Mixing Output - 0-10 V (dc) 500 ohms min impedance / 4-20 mA 1 k ohms max impedance Boiler Modulation Output - 0-10 V (dc) 500 ohms min impedance / 4-20 mA 1 k ohms max impedance 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 Floating Mixing Output - 230 V (ac), 5 A Injection Mixing Output - 230 V (ac), 2.4 A, 1/6 hp, fuse T2.5 A 250V 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 Relay Capacity - 230 V (ac) 5 A, 1/3 hp Sensor - NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta=3892 Snow Melting Control Type - Snow Detector and Melting Control Installation Manual Show more