The Snow Melting Control 650 is designed to operate mechanical equipment to melt snow off of an outdoor slab. It can be used for any single zone electric or hydronic snow melting application that requires manual start/stop operation. This control uses Pulse Width Modulation (PWM) and slab Outdoor Temperature Reset to maintain slab temperature. It is capable of controlling a pump, valve, or electrical contact while reading outdoor air temperature.
- Submittal Sheet
- Data Brochure
Features
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CSA C US certified (approved to applicable UL standards)
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Cold Weather Cut Off
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Manual Override
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Slab Outdoor Reset
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Temporary Idle
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Warm Weather Shut Down
Specifications
Control | Microprocessor control. This is not a safety (limit) control |
Packaged weight | 1.3 lb. (600 g) |
Dimensions | 4-3/4″ H x 2-7/8″ W x 7/8″ D (120 x 74 x 22 mm) |
Enclosure | White PVC plastic, NEMA type 1 |
Approvals | CSA C US, meets class B: ICES & FCC Part 15 |
Ambient conditions | Indoor use only, -20 to 120°F (-30 to 50°C), RH ≤90% Non-condensing |
Power supply | 24 V (ac) ±10%, 50/60 Hz, 3 VA, 24 V (dc) ±10%, 0.03 A |
Relays | 240 V (ac) 10 A, 1/3 hp |
Sensors | NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892 |
-Included | Outdoor Sensor 070 and Slab Sensor 072 |
On time | 0:30 to 19:50 hours to Infinite’ |
Melting | 34 to 45°F (1 to 7°C) |
Idling | Off, 23 to 34°F (Off, -5 to 1°C) |
CWCO | Off, -22 to 23°F (Off, -30 to -5°C) |
Temperature display | Fahrenheit / Celsius |
Warranty | Limited 3 Year Warranty |