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Article: 00095507

Level controller

The LLC2 Series is a dual-probe conductive liquid
level control designed for OEM equipment and
commercial appliance applications. Models are
available for fill or drain operation. Transformer
isolated 12VAC is provided at the probes to
prevent electrolysis. A trickle current of less than
1mA determines the presence or absence of liquid
between the probes and common. On adjustable
units, the sensitivity adjustment allows accurate
level sensing while ignoring foaming agents and
floating debris. The LLC2 Series printed circuit
board is conformal coated to resist moisture and
corrosion.

Operation
Drain (Pump-Down Mode): When die liquid level rises and touches die high probe, die output relay energizes
and remains energized until the liquid level falls below die low probe. The output relay dien de-energizes and
remains de-energized imtil die liquid again touches die high probe.
Fill (Pump-Up Mode): When die liquid level falls below die low probe, die output relay energizes and remains
energized until die liquid level rises and touches die high probe. The output relay then de-energizes and remains
de-energized until die liquid level again falls below die low probe.

Specifications

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