LC 241 The LC 241 level controllers offer a comprehensive range of features for control and monitoring of pumps in wastewater and drainage systems or tank filling in water supply. The LC241 is a metal or plastic cabinet solution offering modularity and customisation according to your needs.
The LC 241 pump controllers are designed for level control, monitoring and protection of Grundfos pumping systems with one or two pumps starting direct-on-line, star delta or as soft starter. The LC 241 pump controllers can be used in various types of empty applications, for example, wastewater transport, drainage or tank filling in water supply.
Setup of the control is easily done either by the predefined application settings or via the step-by-step startup wizard in the intuitive Grundfos GO app using Bluetooth Smart Technology.
With the Grundfos GO app, all detailed pump settings can be easily configured, monitored and commissioned.
The controller is equipped with configurable input and output terminals, giving full flexibility for all applications. However, as an option, the IO 241 module with more input and output options can be built in. Additional options such as manual on, off and auto switch, current transformer, Ex barrier for digital and analogue sensor input and fault light can also be included in your customised solution.
Daily control, supervision and commissioning are straightforward with the intuitive and straightforward-to-use user interface. This saves you valuable time when getting started and in your daily interaction with pumps and the controller. The controller integrates seamlessly into the Grundfos range of communication modules, ensuring an straightforward fit into any supervisory system such as SCADA or Grundfos Cloud.
The controller maintains a detailed alarm and warning log with the last 20 alerts. The alarm log can be accessed remotely via SCADA or Grundfos Cloud. You can also use Grundfos GO to inspect the logs in localised, translated text for straightforward troubleshooting and remedial measures at the pumping station.
The LC 241 controller enables:
- alarm indication via built-in buzzer
- indication of actual liquid level
- setting of stop delays matching the actual operating conditions
- selection of self-operating alarm resetting
- protection against water hammer as quick restart or simultaneous start is blocked and delayed
- prevention of main load when several pumping stations are started up at the same time (power-on delay function)
- prevention of choking or seizing pumps due to limestone build-up or other deposits (anti-seizing function)
- configuration of input and output terminals that can be used as digital input or output, analogue input and Pt100 or Pt1000 inputs for adaptable use in the actual application
- support of uncomplicated applications where only one float switch is present (single float-switch operation)
- support of up to five control levels for both analogue level-transmitter or float-switch operation
- control of one or two pumps based on signals from sensor input (analogue, 0-5 V, 0.5-3.5 V, 0-10 V, 0-20 mA, 4-20 mA or digital, float switch)
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Alarm indication of:
- pump overheating and moisture detection
- too many restarts
- water on floor
- intrusion detection
- sensor inconsistency or failure
- incorrect phase sequences or missing phase
- high water level
- dry-running
- Power and current measurement (optional)
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As a standard, the LC 241 controller has two alarm relays that can be configured using Grundfos GO to show a variety of status information on a supervisory system or PLC.
Suitable for: Commercial wastewater, Drinking water treatment, Wastewater transport, Flood control, Wastewater treatment
Key Product Features
- Net weight: 7.22 kg
- Mains frequency: 50 / 60 Hz
- Approvals: CE,EAC,UKCA,MOROCCO
- Product Voltage: 1 x 230 V
This is a Grundfos Control or Monitoring unit designed to manage pump operation.
Grundfos (est. 1945) is a Danish pump manufacturer known for high-efficiency circulators, multistage boosters, borehole and wastewater pumps, plus packaged pressure systems. The range covers HVAC circulation, domestic hot water recirculation, pressure boosting, industrial water transfer and public water management, with strong focus on energy efficiency and intelligent controls.
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