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Riello Multi Power — is a scalable three-phase double-conversion uninterruptible power supply system (VFI-SS-111) designed to provide reliable power supply in data centers, industrial enterprises, hospitals, telecommunications and other critical facilities. Thanks to its modular architecture, high efficiency and advanced monitoring capabilities, Multi Power easily adapts to customer needs and provides redundancy and uninterrupted operation under increasing loads. Diagnostics includes a full range of checks of all power and controlled nodes, battery system, cooling and communication interfaces.
What diagnostics include
Inspection / audit
- Configuration identification: number of modules, rated power, presence of external batteries, operating modes (parallel, autonomous).
- Checking the physical condition of the housings, correct connection, grounding, condition of cable routes.
- Visual inspection of ventilation systems, cleanliness, absence of damage or corrosion.
- Assessment of operating conditions: temperature, humidity, dust load, accessibility for maintenance.
Electrical tests
- Checking the parameters of the input power network: voltage, frequency, phase balance, stability.
- Control of output characteristics: voltage, frequency, harmonic level, stability under load.
- Testing of transitions between the network, inverter and static bypass — continuity of power supply.
- Checking the UPS response to rapid load changes, including pulse loads.
Inverter / rectifier / bypass test
- Evaluation of the stability and accuracy of inverter operation: voltage, waveform, temperature regime.
- Checking the rectifier and charger: charging currents, voltage levels, correct operation of PFC.
- Testing the static bypass operation: synchronization, switching speed, protective functions.
- Reading system logs: events, alarm messages, switching history.
Battery (battery system)
- Inspection of battery cabinets or external battery units: physical condition, connection, ventilation.
- Measurement of voltage, control of balance between battery sections.
- Checking battery charging modes: Float, Boost, automatic transitions.
- Optional autonomy test under load (upon agreement with the customer).
Cooling
- Checking the operation of cooling systems: fans, temperature sensors, air flows.
- Assessing the temperature regimes of critical components: inverters, transformers, batteries.
- Inspection of ventilation ducts and filters: cleaning, clogging, damage.
Communications / monitoring
- Checking the functionality of the display and control panel: availability of logs, correctness of indicators.
- Testing SNMP, Modbus TCP/IP, RS-232/485, CAN protocols: communication stability, data correctness.
- Assessing integration with systems monitoring: BMS, DCIM, SCADA (if available).
Technical report
- Preparation of a detailed report with the results of diagnostics of each functional unit.
- Identification of deviations and wear: battery degradation, overheating, inverter or bypass failures.
- Recommendations for prevention, maintenance, repair or modernization.
When diagnostics are needed
- Regularly — at least once every 12 months according to the manufacturer's recommendations.
- After emergency events: overload, bypass operation, drop in backup time.
- Before large-scale load changes or infrastructure upgrades.
- After long downtime or storage in reserve.
Why choose Total-Energo LLC
- Deep knowledge and experience in Riello Multi Power diagnostics at facilities of varying complexity.
- Modern equipment for comprehensive testing without stopping the load (if possible).
- Professional preparation of technical reports with clear recommendations for the customer.
- Client support at all stages from diagnostics to service and modernization.