Πως λειτουργεί ένα ψυγείο με inverter συμπιεστής?
Πως λειτουργεί ένα ψυγείο με inverter συμπιεστής
Ο inverter δεν δουλεύει απλά ON/OFF. Αντίθετα, αλλάζει ταχύτητα (στροφές/λεπτό του συμπιεστή) ανάλογα με τις ανάγκες. Έτσι:
· Εξοικονομεί ρεύμα (δεν παίζει “τέρμα – μηδέν” συνέχεια).
· Κρατάει πιο σταθερή θερμοκρασία.
· Προστατεύει τον συμπιεστή ώστε να έχει μεγαλύτερη διάρκεια ζωής.
Πώς δουλεύει βήμα-βήμα
1. Εκκίνηση (First power-up)
· Μπαίνει σε 6η σκάλα για 20 λεπτά.
· Μετά ανεβαίνει σε 8η σκάλα για 20 λεπτά.
· Τέλος πάει σε 11η (μέγιστη) σκάλα και συνεχίζει μέχρι να σταματήσει.
Αυτό το κάνει για να φτάσει γρήγορα στην επιθυμητή θερμοκρασία.
2. Κανονική λειτουργία (Process control)
· Όταν βγει από το αρχικό mode, ξεκινάει στη 7η σκάλα (όχι στο φουλ).
· Κάθε φορά που ο θερμοστάτης δίνει σήμα, ο inverter αποφασίζει σε ποια ταχύτητα θα τρέξει, ανάλογα με το “uptime” του συμπιεστή.
Παράδειγμα από τον πίνακα:
· Αν δουλεύει πολύ λίγο (κάτω από 34% του χρόνου) → ρίχνει 3 σκάλες.
· Αν δουλεύει μέτρια (50–60%) → κρατάει την ίδια σκάλα.
· Αν δουλεύει πολύ (πάνω από 76%) → ανεβάζει 4 σκάλες.
Έτσι βρίσκει ισορροπία κατανάλωσης–απόδοσης.
3. Long-term λειτουργία
· Αν τρέχει συνεχόμενα 80 λεπτά → ανεβάζει +2 σκάλες.
· Στα 100 λεπτά → άλλες +2.
· Στα 120 λεπτά → +3.
· Αν τρέχει 72 ώρες χωρίς σταμάτημα, τότε κάνει υποχρεωτικό stop 30 λεπτών για προστασία.
4. Προστασίες
· Όταν σβήσει ο θερμοστάτης, ο συμπιεστής συνεχίζει 30’’ πριν σταματήσει εντελώς.
· Αφού σταματήσει, πρέπει να περάσουν τουλάχιστον 5 λεπτά πριν ξαναπάρει μπροστά → για να μην “χτυπηθεί” το μοτέρ.
✅ Με λίγα λόγια:
Ο inverter είναι σαν αυτόματο κιβώτιο ταχυτήτων για τον συμπιεστή. Δεν δουλεύει συνέχεια “τέρμα” αλλά ανεβοκατεβάζει στροφές ανάλογα με τις ανάγκες, ώστε να έχεις οικονομία, σταθερή απόδοση και ασφάλεια.

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