The Riello Sentinel Dual UPS User Manual provides installation, operation, maintenance, safety instructions and technical specifications.
This manual covers everything needed to install and operate the Riello Sentinel Dual uninterruptible power supply. It includes safety warnings, environmental disposal guidelines, and step‑by‑step installation procedures for both tower and rack configurations, as well as optional battery boxes.
The document also describes how to configure the UPS, connect communication ports (RS‑232, USB), perform battery replacement, troubleshoot common faults, and interpret alarm codes. Technical data such as input/output voltages, power ratings, dimensions and weight are listed for each model variant.
| Nominal power (kVA) | 1 / 1.5 / 2.2 / 3 |
|---|---|
| Input voltage (Vac) | 220‑240 |
| Output voltage (Vac) | Selectable 220 / 230 / 240 |
| Dimensions (W×D×H, mm) | 87 × 425 × 450 (tower) / 87 × 625 × 450 (rack) |
| Weight (kg) | 17‑18 (tower) / 29.5‑31.5 (rack) |
The recommended operating temperature is between 20 °C and 25 °C.
The UPS contains three internal batteries (for the standard models).
No, the battery box voltage must match the voltage permitted by the UPS.
The UPS and battery box must be installed in a ventilated, clean environment, protected from bad weather.