PC-100-LLC-CZ PumpSaver Liquid Level Control
PC-100-LLC-CZ is a liquid level control relay 90-120VAC 8-pin plug-in used to control conductive liquid pumping operations in a pump-up or pump-down application.
PC-100-LLC-CZ is for 90-120VAC applications: This unit has a 2 Input Liquid Level Control with an adjustable sensitivity knob (4.7k to 100k ohms) that is set according to the resistance level at which you want the probes (sold separately) to sense the conductive liquid. The unit has a built-in debounce time delay that prevents the relay from energizing if the probe resistance momentarily goes above or below the sensitivity setpoint (due to liquid splashing in the tank).
The unit operates its internal relay based on inputs from a high and low probe and a common reference (when a conductive tank is used) or common probe (when a non-conductive tank is used).
Pump-up application: when the liquid level drops and the low probe resistance increases above the sensitivity setpoint, the relay energizes to run the pump and fill the tank. When the liquid level rises and the high probe resistance decreases below the sensitivity setpoint, the relay de-energizes to stop the pump.
Pump-down application: when the liquid level rises and the high probe resistance decreases below the sensitivity setpoint, the relay energizes to run the pump and empty the tank. When the liquid level drops and the low probe resistance increases above the sensitivity setpoint, the relay de-energizes to stop the pump. The unit can also be configured to work with a single probe input and a common reference (or common probe).
• One unit serves pump-up and pump-down applications
• Adjustable sensitivity knob (4.7 to 100K ohms)
• Debounce time delay (2 seconds)
• Single or dual probe inputs (+ common reference)
• Compatible with Crouzet’s PNR & PNRU series liquid level control
• LED indicator
• UL508 listed
• CE marked
• 8-pin plug in; DIN rail or surface mount
• 5-year warranty
• Made in the USA
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