6.12 The Grundfos pump was submersible with a 3-phase 60 V AC motor with variable frequency. ... One pump malfunctioned after 6 months; it rotated but had no power to lift water more than 2 meters. ... As parts of the interface malfunctioned, it would have been interesting to have had a manual or circuit description atanbsp;...
Title | : | Solar energy technology dissemination |
Author | : | Werner Gocht |
Publisher | : | - 1989 |
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