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Level Control provides cutoff protection.

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Level Control provides cutoff protection.
Level Control provides cutoff protection.

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November 19, 2001 - LLC8 Series plug-in single probe liquid level control protects equipment and commercial appliances that use conductive liquids to produce hot water or steam, such as boilers and steamers. It uses small ac current to sense presence of water in tank. As long as water is in contact with probe, heating element can operate. It has time delay of 1 to 60 sec, is available for input voltages of 24, 120, or 230 Vac, 50/60 Hz., and is UL-recognized.

(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press Release

Entrelec, Inc.
8220 Loop Road, PO Box 1000
Baldwinsville, NY, 13027
USA


Low Level Cutoff Liquid Level Control LLC8 Series

Entrelec SSAC, a manufacturer of electronic controls, is pleased to announce its new addition to the LLC family of liquid level controls; the LLC8 Series.

The LLC8 Series is a low cost plug-in single probe liquid level control designed for low liquid level cutoff protection. Low level cutoff protection is normally used in equipment and commercial appliances that produce hot water or steam, like boilers and steamers.

Low level cutoff protection helps prevent thermal runaway and excessively high internal pressure in the hot water tank by disconnecting the heating element if the water level is too low. A probe is installed in the hot water tank. As long as the water is in contact with this probe the heating element can operate. The LLC8 uses a very small AC current to sense the presence of the water in the tank. The LLC8 is designed for systems that use conductive liquids, like water.

This series offers a factory fixed time delay of 1 to 60 seconds and is available for input voltages of 24, 120, or 230 VAC, 50/60 Hz. The sense resistance is factory fixed from 5K to 250Kohm.

The LLC8's SPDT relay contacts are isolated from the operating and probe voltages. Rated 10 amps resistive at 120/240 VAC, they can switch small pumps, valves, or pump contactors. An LED indicator turns on when the relay is energized.

The LLC8 is available with manual/automatic reset or a special manual reset with a power outage feature that ignores nuisance power outages. The 24 and 120 V AC units are UL recognized as limit switches under UL353 (230 V AC units are UL508) and CSA certified under Standard 14. These devices are also CE approved.

The LLC8 Series' cost effective open board design and UL353 UL Recognition makes it perfect for low level cutoff protection in boiler applications.
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