Series 20
HEM Series 20 — Umkehrosmose-Wassermacher für kleine Yachten mit begrenztem Platz.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Membranes must remain in wet condition - minimum operating duration per week 1 hour; fresh water flush after each operation; flush every 7-10 days during non-operation to prevent fouling
Documentation of inlet pressure, permeate flow and concentrate flow; monitor pressure drop across membranes; set values: inlet pressure 20-40 PSI; sudden changes indicate fouling or scaling
Regelmäßige Überprüfung der Druckmessgeräte an Vorfilterelementen; Bei Druckabfallzunahme Filter wechseln; Genügend Wasserdurchfluss für RO-Membran erforderlich; Manometer zur Überwachung nutzen
Visual inspection with damp cloth for water and oil losses; check all threaded connections, bolts, nuts and fittings for tightness; inspect pressure vessel, O-rings and end caps; salt deposits indicate leaks
Regelmäßige TDS/Leitfähigkeitsmessung des Permeats durchführen; Überprüfung der automatischen Salzgehaltskontrolle; Typisch: Salzausscheidung >99,7%, Produktwasser <450 ppm TDS; Salzgehalt der Zuleitungsquelle überprüfen
Type-general inspection and maintenance points for this equipment category — not model-specific.
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