671
Tekmar WiFi 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.
- Automatic software updates
- Automatic snow/ice detection
- Supports both inslab and retrofit aerial sensors
- Supports multiple zones with priority
- Auto storm
- Idling
- Warm weather shut down
- Cold weather cut off
- Economelt
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 |
| Mobile app | Apple iOS, Android |
| Sensor | NTC thermistor, 10 k? @ 77°F (25°C ±0.2°C) ß=3892 |
| Included | Outdoor Sensor 070 |
| Optional | tekmar type # 072, 073, 087, 090, 094, 095 |
| Warranty | Limited 3 Year Warranty |