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664

Discontinued - Replaced By: 670

Part of the 664 Series

Ordering Code: 664

UPC: 779655066401

664 Snow Detector & Melting Control

 

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  • Optional priority zoning operation, slab protection for the snow melting system
  • Mixing control (floating, variable speed, or proportional), Temporary Idle
  • Automatic snow detection and melt control (with 090 Sensor), Control up to 2 zones
  • Control up to 2 boilers, Slab temperature control
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 230 V (ac) 5 A, 1/3 hp
Sensor NTC thermistor, 10 k ohms at 77 degree F (25 degree Cplus / minus 0.2 degree C) Beta =3892
Snow Melting Control Type Snow Detector and Melting Control