665
×
![]()
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 and 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 and 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, is not a safety/limit control |
| Demand | 20 to 260 V (ac) 2 VA |
| Dimensions | 6 5/8 IN H x 7 9/16 IN W x 2 13/16 IN 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 degrees F (25 degrees C plus/minus 0.2 degrees C) Beta=3892 |