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ETI LCD-3 Automatic Snow Melting Control
These low cost controls offer a cost effective alternative to thermostatic or manual control. Automatic control provides reliable earth station service while minimizing operating and maintenance costs.
The LCD-3 automatically controls small aperture antenna deicing heaters and the LCD-4 controls rain blowers. Deicing heaters operate between 17°F(-8.3°C) and 38°F (3.3°C) during precipitation and for one hour thereafter. The rain blower operates at temperatures above 17° F during precipitation and for one hour thereafter.
The onboard microprocessor combined with quality components and extensive quality control provide excellent reliability. Sunlight does not reduce the strength of the UV stabilized housing. Combining the temperature and moisture sensors simplifies installation and eliminates siting errors.
The "smart bypass" switch permits on site testing. The control changes back to automatic operation after 40 hours if operating personnel leave the switch in the wrong position by accident.