Italtecnica Sirio UNIVERSAL - User Manual

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Rel. 2.0 04/2020
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Sirio
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Universal

Summary

Installer Configuration Parameters

Pressure and Start-up;Stop Settings

Configures pressure set-points (Pmax, Pmax2), limits (P.Limit), and start-up/stop deltas (DF.start, DP.stop).

Dry-running and Flow Switch Settings

Sets dry-running pressure (P.dr.ru.) and enables/configures flow sensor operation.

Detailed Error Codes and Alarms

Power Supply and Circuit Faults

Covers Low/High Voltage (E0, E1) and Short Circuit (E2) errors, indicating power or wiring issues.

Operational and Environmental Faults

Details Dry running (E3), Ambient Temp (E4), Module Temp (E5), and Overload (E6) errors.

Troubleshooting Common Malfunctions

Start-up, Cycling, and Stop Issues

Addresses pump not starting, delayed start, frequent cycling, and stops/restarts without leakage.

Sensor Readings and Protection Triggers

Explains frequent dry running signals, voltage issues, and device overheating causes.

Performance and Operational Problems

Pressure Behavior Under Load

Italtecnica Sirio UNIVERSAL Specifications