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Discontinued - Replaced By: 671
Part of the Snow Melting Controls Series
Ordering Code: 665
UPC: 779655066500
Snow Detector and Melting Control, Pulse Width Modulation
The Snow Detector & Melting Control 665 is designed to operate mechanical equipment to melt snow off an outdoor slab. It can be used in hydronic or electric snow melting applications. This product uses a tekmar snow/ice detection sensor in order to automatically melt snow using Pulse Width Modulation (PWM) and slab Outdoor Reset to maintain slab temperature. It is capable of controlling a single boiler, a system pump, and providing a signal when melting is enabled.
Features
- Slab outdoor reset, automatic snow detection and melt control (with 090 Sensor)
- Temporary idle
- Manual override
- Warm weather shut down
- Cold weather cut-out
- Remote display and adjustment capabilities
- Test sequence to ensure proper component operation
- Equipment exercising
- CSA C US certified (approved to applicable UL standards)
| Specifications | |
|---|---|
| Agency Approvals | CSA C US, meets class B: ICES & FCC Part 15 |
| Ambient Conditions | Indoor use only, 32 to 122 degree F (0 to 50 degree C), RH less than or equal to 90 percent non-condensing |
| Control Type | Microprocessor control, this is not a safety (limit) control |
| Demand | 20 to 260 V (ac) 2 VA |
| Dimensions | 6-5/8" H x 7-9/16" W x 2-13/16" D (170 x 193 x 72 mm) |
| Enclosure Material | Blue PVC plastic |
| Enclosure NEMA Rating | NEMA 1 |
| Power Supply | 115 V (ac) plus / minus 10 percent, 50/60 Hz, 600 VA |
| Relay Capacity | 230 V (ac) 5 A, 1/3 hp |
| Sensor | NTC thermistor, 10 k ohms at 77 degree F (25 degree C plus / minus 0.2 degree C) Beta =3892 |