WILO Economy CO-1 MVI.../ER

Water-supply unit with a non-self-priming high-pressure multistage centrifugal pump.

Application

■ Fully automatic water supply in inlet mode, either from the public water supply network or from a tank.;
■ Pumping of potable water, process water, cooling water, water for fire-fighting or other water mixtures that do not chemically or mechanically attack the materials used and do not contain abrasive or long-fibre constituents.

Special features/product advantages

■ Sturdy system due to stainless steel high-pressure multistage centrifugal pumps of the MVI series;
■ IEC three-phase motors (Level IE2), from 0.75 kW, 2-pole;
■ Wide hydraulic range through the use of all pumps in the MVI series;
■ Easily adjustable and operationally reliable due to the ER-1 control unit used.

Technical data

■ Mains connection 3~230/400 V ±10%, 50 Hz (other versions on request);
■ Max. fluid temperature 50 °C (70 °C optional);
■ Max. ambient temperature 40 °C;
■ Operating pressure 16 bar;
■ Inlet pressure 6 bar;
■ Switching pressure stages 6/10/16 bar;
■ Nominal connection diameters on inlet side Rp 1¼" ‐ DN 100;
■ Nominal connection diameters on discharge side R 1¼" ‐ DN 100;
■ Nominal speed 2800 rpm;
■ Protection class IP 41 (ER-1), IP 54 (ER-1 ≥ 5.5 kW);
■ Fuse protection on mains side AC 3 according to motor power and EVU regulations;
■ Approved fluids (other fluids on request): pure water without settling sediments; process water, cold water, cooling water and rainwater; potable water; fire water.

Note on fluids: Approved fluids are generally waters which do not attack the materials used, neither chemically nor mechanically, and do not contain any abrasive or long-fibre constituents.