9900D - Uninterruptible power supply MITSUBISHI - Free user manual and instructions
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| Product Type | Uninterruptible Power Supply (UPS) |
| Brand | Mitsubishi |
| Model | 9900D |
| Power Rating | 20 kVA / 18 kW |
| Input Voltage | 380-400 V AC (3-phase) |
| Output Voltage | 380/400/415 V AC (3-phase) |
| Frequency | 50/60 Hz ±0.1% (online mode) |
| Battery Type | Sealed lead-acid (VRLA), maintenance-free |
| Typical Backup Time | 10-15 minutes at full load |
| Dimensions (H × W × D) | 1900 × 800 × 800 mm |
| Weight | Approx. 500 kg |
| Operating Temperature | 0 … 40 °C |
| Relative Humidity | 0 … 95% (non-condensing) |
| Protection Features | Overload, short circuit, overvoltage, undervoltage, surge, battery deep discharge |
| Communication Ports | RS232, USB, dry contacts (optional SNMP) |
| Display | Backlit LCD with status indicators |
| Alarms | Audible and visual alarms for battery low, overload, fault |
| Noise Level | < 65 dBA at 1 meter |
| Maintenance | Periodic battery inspection and cleaning of ventilation grilles |
| Safety Certifications | CE, TÜV, IEC 62040 |
| Warranty | 2 years (parts and labor) |
Frequently Asked Questions - 9900D MITSUBISHI
What is the typical runtime for the Mitsubishi 9900D UPS?
At full load (20 kVA), the 9900D provides approximately 10-15 minutes of backup time. Runtime increases with lighter loads.
What input voltage does the 9900D UPS require?
The UPS requires a 380-400 V AC, three-phase input. It can also accept 415 V within the tolerance range.
How do I replace the batteries in the 9900D UPS?
Battery replacement should be performed by a qualified technician. The UPS uses maintenance-free sealed lead-acid batteries. Always power off the unit and follow the safety instructions in the manual.
What communication options are available?
The 9900D comes with RS232 and USB ports for monitoring and control. Optional SNMP cards can be added for network management.
Can the 9900D UPS be used with a generator?
Yes, the UPS is compatible with most generators. It can handle frequency variations. Ensure the generator is sized to handle the UPS input current and startup surge.
What do the alarms on the 9900D mean?
Common alarms include: Battery Low (battery voltage drops below threshold), Overload (output exceeds rating), and Fault (internal failure). Refer to the manual for detailed troubleshooting.
How often should I perform maintenance on the 9900D UPS?
Regular maintenance includes checking the battery terminals and venting screens every 3-6 months. Annual professional inspection is recommended for battery load testing.
What is the operating temperature range?
The 9900D operates in a temperature range of 0°C to 40°C. For optimal battery life, keep the ambient temperature around 20-25°C.
Does the 9900D UPS have surge protection?
Yes, it includes built-in surge protection against transient voltage spikes. It meets IEC 62040 standards for surge immunity.
What should I do if the UPS shows a 'Fault' alarm?
First, check the LCD display for a fault code. Common causes are overload or battery failure. Reset the UPS by power cycling. If the alarm persists, contact Mitsubishi support.
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USER MANUAL 9900D MITSUBISHI
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Product information
Brand : MITSUBISHI
Model : 9900D
Category : Uninterruptible power supply