681
BACnet Snow/Ice Sensor Interface
The BACnet Snow/Ice Sensor Interface 681 is designed to measure the presence of snow/ice and interfaces with the Building Automation System (BAS) to operate electric or hydronic snow melting systems. The 681 uses tekmar® sensor technology to automatically detect snow or ice, and upon detection communicates with the BAS through BACnet MS/TP. This operation allows the BAS to automatically turn on/off and provide operational status for a snow melting system. The 681 is suitable for any snow melting commercial application including, hospitals, schools, airports, ski resorts, business entrances, driveways, loading docks, and shopping malls.
Features
- BACnet MSTP communication
- Supports both in-slab and retrofit aerial sensors
- Warm weather shut down
- Cold weather cut off
- Melt pending
- Supports both DIN rail and backplate mount
- Automatic snow / ice detection
- Error codes
- Slab target temperatures
Literature
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- Applications Brochure - BACnet Snow/Ice Sensor Interface 681
- Applications Brochure - BACnet Snow/Ice Sensor Interface 681 (French)
- Brochure - Snow Melting Solutions
- Flyer - BACnet Snow/Ice Sensor Interface 681
- Flyer - BACnet Snow/Ice Sensor Interface 681 (French)
- Installation and Operation - BACnet Snow/Ice Sensor Interface 681
- Installation Instructions - BAS Integration Manual for BACnet Snow/Ice Sensor Interface 681
- Specification Sheet - BACnet Snow/Ice Sensor Interface 681
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |