Tekmar® 654 Snow Melting Control, 24 V, Less Than 90% RH Non-Condensing Humidity, -4 to 122 deg F Ambient

Tekmar® Snow Melting Control, 24 V, Less Than 90% RH Non-Condensing Humidity Rating, -4 to 122 deg F Ambient, 15/16 in Length, 3-1/4 in Width, 5 in Height, PVC, White

• 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
• 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
• 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 and retrofit aerial sensors
• Tandem snow/ice detection, warm weather shut down
• TekmarNet communication compatible
• Microprocessor controller
• Outdoor use permitted when installed inside a NEMA 3 enclosure ambient conditions
• 2 and 3.6 A at 24 VAC combined relay capacity
• 0 - 10 VDC, 500 ohm minimum load impedance, 4 - 20 mA at 1 kohm maximum load impedance
• Class 2, 16 VA standby, 100 VA fully loaded power supply

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/Tekmar_654_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Tekmar_654_Specification_Sheet.pdf