LCP Series
May not be exact product – for reference only.
LCP8E250
Lead Time:
7 Days
Function/Configuration
Dual Probe Pump Up (w/ Pin Configuration = Crouzet & Symcom unit)
Control Voltage:
24V AC
Fixed Time delay
Sensitivity range:
Sensitivity Range: 1K – 250K Ohms
$108.20
Description of Function
Pump Up (Fill): When the liquid level falls below the probe, a fixed time delay begins and the LED flashes Red. This time delay prevents rapid cycling of the output relay and its load. At the end of the time delay, the output relay energizes and the LED is Red ON. The pump is ON to fill the tank. The relay remains energized until the liquid level rises and touches the probe. The output relay de-energizes, turning off the pump, and remains de-energized and the LED is Green ON until the liquid level falls below the probe. Pump Down (Drain): When the liquid level rises and touches the probe, a fixed time delay begins and the LED fl ashes Red. This time delay prevents rapid cycling of the output relay and its load. At the end of the time delay, the output relay energizes and the LED is Red ON. The pump is ON to drain the tank. The relay remains energized until the liquid level falls below the probe level. The output relay de-energizes, turning off the pump, and remains de-energized and the LED is Green ON until the liquid level rises and touches the probe. If the container is non-conductive or insulated, an additional probe must be installed as the COM connection where it will always be submerged.
Description of Function
Product Overview
Features:
Controls Level of Conductive Liquids in Pump Up (Fill) or Pump Down (Drain) Applications
Probe is Pulsed with DC Voltage to Prevent Electrolysis
Two Adjustable Sensitivity Ranges
Input Voltages of 24, 120 & 240V
Enclosure Style:
Plug-in case utilizing industry-standard 8 pin octal sockets
Configuration / Contact Rating:
SPDT • 10A @ 240V AC/7A @ 28V DC, 1/4HP @ 120V AC (N.O.)
Application Information:
Voltage Tolerance: AC Operation: +10/-15% of nominal at 50/60 Hz. Load (Burden): 2 VA Indicator LEDs: Green ON with Input Voltage applied; Red Flashing during timing; Red ON when relay energized. Probe Voltage: 5V DC Pulsed Response Time: Pick-up: Fixed per value shown under “Function” in table above; Drop-out: 500ms Output Contacts: 10A @ 240V AC/7A @ 28V DC, 1/4HP @ 120V AC (N.O.) Life: Mechanical: 10,000,000 operations; Full Load: 100,000 operations Temperature: -28° to 65° C (-18° to 149° F)
Approvals:
UL #: E109466
Operations
LCP Series Liquid Level Control Relays detect and control levels of conductive liquids (tap water, seawater, sewage, chemical solutions, coffee, ice cream, etc.)in single probe pump up or pump down applications. The conductive properties of the liquid complete a circuit between a probe and common when the liquid comesin contact with both. These relays compare the value of the measured resistance between probes with the setpoint of the adjustable potentiometer provided on the product. The output of the relay is used to control pumps, solenoids or valves to lower, raise or maintain the level of the liquid in the tank. Probes are pulsed with a DC voltage to prevent potential electroplating issues. A built-in time delay prevents rapid cycling.
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