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2 Safety
Pumping units or systems may only be installed and repaired by persons approved for such work by
the user, who are suitably qualified and instructed in the operating conditions and principles of work
safety.
2.1 Summary of important warnings
• Voltage connection according to nameplate data
• Ensure that interventions in electrical equipment, including the connection to the mains, are carried
out only by a person who is professionally qualified in electrical engineering in accordance with decree.
• All screw connections must be properly tightened and secured against loosening.
• The device must not be moved when it is live.
• In case of any unexpected event, disconnect the sensor from the power supply (broken cable
insulation, etc...).
• Check the electrical system and the protection before switching on.
• Protect electrical and mechanical hazard areas from access.
3 Specifications
• Rated voltage: 220-240 V
• Frequency 50 Hz
• Max. power: 1.1 kW
• Max. rated current: 10 A
• Max. working pressure: 10 bar
• Max. ambient temperature: 40 °C
• Max. water temperature: 60 °C
• Protection: IP65
• Starting pressure: 1-6 bar, adjustable
• Stop pressure: 2-10 bar, adjustable
• Max. differential pressure: 7 bar
• Min. differential pressure: 1 bar
• Connection: G1"
4 Function
The Pressure Control Unit is a fully electronic control device for pumps. It starts and stops the
pump based on the detected state of the water, the water line and the change in line pressure. It
can completely replace the pressure switch, water protection devices, etc. that are part of a
conventional water supply system. The live components and piping are completely isolated, and
an entirely sealed control box is provided, so the unit has safety features unmatched by conventional
systems. Its integrated design saves time and material during installation. Manual adjustment is also
possible if shutdown is required according to a specific pressure, which means customers have more
options to choose from.
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