tekmar Snow Detector & Melting Control 665

Control Description The Snow Detector & Melting Control 665, when combined with the tekmar Snow / Ice Sensor 090, provides automatic snow / ice detection. The 665 uses pulse width modulation (PWM) to operate an on/off injection valve, pump, boiler or contactor for electric cables.

Literature	—	D 665, A 665's, U 665, D 001, D 070
Control	—	Microprocessor PID control; This is not a safety (limit) control
Packaged Weight	—	3.1 lb. (1400 g), Enclosure A, blue PVC plastic
Dimensions	—	6-5/8" H x 7-9/16" W x 2-13/16" D (170 x 193 x 72 mm)
Approvals	—	CSA C US, meets ICES & FCC regulations for EMI/RFI
Ambient Conditions	—	Indoor use only, 32 to 104°F (0 to 40°C), < 90% RH non-condensing
Power Supply	—	115 V ±10% 50/60 Hz 600 VA
Relay Capacity	—	230 V (ac) 5 A 1/3 hp, pilot duty 240 VA
Demands	—	20 to 260 V (ac) 2 VA
Sensors Included	—	NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892 Outdoor Sensor 070
Optional Devices	—	tekmar type #: 039, 040, 072, 073, 090, 091

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Literature

Control

Packaged Weight

Dimensions

Approvals

Ambient Conditions

Power Supply

Relay Capacity

Demands

Sensors Included

Optional Devices