Grundfos M.24.3.2 (97901081)
Product ID: 97901081
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Grundfos M.24.3.2 (97901081)
Supplied as complete unit ready for installation, MULTILIFT consist of a fully integrated collecting tank with pump and submersible motor, non-return valve, discharge adapter with flexible connection piece DN100 mounted on the collecting tank and a pre-wired controller including a level sensor.
The fully integrated collecting tank has all necessary ports for the connection of inlet pipe, discharge pipe, vent pipe and a manually operated diaphragm pump (accessory).
The collecting tank contains 7 inlet sockets. The back inlet DN100 is placed on a patented inlet disk connecting all inlet pipe levels (centre) between 180 and 315 mm stepless. There are DN100 and DN50 inlet sockets on each side and DN150, DN50 sockets on the top of the tank.
MULTILIFT corrosion-free polyethylen collecting tanks are gas- and odour-proof as well as watertight. The chamfered bottom design ensures a reduction of residual water and less sedimentation.
The pump features a Vortex impeller and a maintenance free submersible motor. The oil chamber is with physiological harmless oil filling between two shaft seals. Direction of rotation can be observed from outside over the shaft below the eye bolt.
The LC 231 or LC 241 level controllers offer a comprehensive range of features for control and monitoring of pumps in MULTILIFTs. The controllers are designed for level control, monitoring and protection of Grundfos lifting stations with one or two pumps. An analogue level sensor is integrated into the controller and connected to the sensor tube by an air hose.
The controller is pre-set from factory to the lowest possible starting level. Adjustment to a higher starting level can be done with the Grundfos GO app. With the Grundfos GO app, all detailed pump settings can be easily configured, monitored and commissioned. The display also offers the possibility to change the operating mode from auto to manual start/stop. The controller is equipped with configurable input/output terminals.
The controller integrates seamlessly into the Grundfos range of communication modules, ensuring an easy fit into any supervisory system such as SCADA or Grundfos CLOUD. With the built-in motor protection, and the current measurement, the LC controller provide a service indicator function that helps keep track of when service is needed. 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 localized, translated text for easy troubleshooting and remedial measures at the pumping station.
Configurable input/output terminals that can be used as digital input/output, analogue input.
Prevent the mains load when several pumping stations are started up at the same time with power-on delay.
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The MULTILIFT range is designed according to the EN12050-1 standard, approved and monitored by external institute LGA. Further approvals are VDE, GHOST, CB, EMV
| Controls: | |
| Type of control box: | LC231 |
| Liquid: | |
| Liquid temperature range: | 0 .. 40 °C |
| Selected liquid temperature: | 20 °C |
| Density: | 998.2 kg/m³ |
| Technical: | |
| Pump speed on which pump data are based: | 2920 rpm |
| Rated flow: | 5.5 l/s |
| Maximum flow: | 14.4 l/s |
| Rated head: | 10.4 m |
| Type of impeller: | VORTEX |
| Max. Particle: | 50 mm |
| Approvals: | CE,EAC,MORO,UKCA,SEPRO |
| Non-return valve type: | Flap valve |
| Materials: | |
| Pump housing: | Composite |
| LDPE | |
| Impeller: | LURANYL |
| Tank: | PLASTIC |
| LDPE | |
| Gasket: | NBR |
| Installation: | |
| Range of ambient temperature: | 0 .. 40 °C |
| Type of outlet connection: | DIN |
| Size of outlet connection: | DN 80 |
| Pressure rating for connection: | PN 6 |
| Electrical data: | |
| Power input P1: | 3.1 kW |
| Rated power - P2: | 2.7 kW |
| Mains frequency: | 50 Hz |
| Rated voltage: | 3 x 400 V |
| Voltage tolerance: | +10/-14 % |
| Max starts per hour: | 60 |
| Rated current: | 2 X 5,5 A |
| Cos phi - power factor: | 0.81 |
| Motor efficiency at full load: | 86.2 % |
| Number of poles: | 2 |
| Start. method: | direct-on-line |
| Enclosure class (IEC 34-5): | IP68 |
| Insulation class (IEC 85): | F |
| Built-in motor protection: | BIMETAL THERMAL SWITCH |
| Length of cable: | 1.5 m |
| Power plug: | CEE 3P+N+E |
| Tank: | |
| Total volume of tank(s): | 92 l |
| Total effective volume of collecting tank at 180 mm inlet: | 34 l |
| Total effective volume of collecting tank at 250 mm inlet: | 49 l |
| Total effective volume of collecting tank at 315 mm inlet: | 62 l |
| Others: | |
| Net weight: | 73.9 kg |
| Gross weight: | 97.2 kg |
| Country of origin: | DE |
| Custom tariff no.: | 84137021 |
| Environmental approvals: | WEEE |
Applications
- Commercial wastewater — Commercial buildings have vastly different requirements for wastewater transfer. Grundfos supplies wastewater pumps and lift station pumps ensure superior reliability and safety, as well as high efficiency.
- Domestic wastewater — With a series of optimised drainage pump systems, lifting stations and sump pumps, you can gain full control of domestic wastewater.