ISVT20KH4B4S - Inverter APC - Free user manual and instructions
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| Product Type | Online UPS (Uninterruptible Power Supply) |
| Model | APC Smart-UPS VT ISVT20KH4B4S |
| Power Rating | 20 kVA / 16 kW |
| Input Voltage | 3-phase 208V (configurable to 380/400/415V) |
| Output Voltage | 208V ± 3% |
| Output Waveform | Pure sine wave |
| Transfer Time | 0 ms (online double conversion) |
| Battery Type | Sealed lead-acid (VRLA) |
| Battery Configuration | 4 external battery modules included |
| Hot-Swappable Batteries | Yes, user replaceable |
| Typical Backup Time | Configurable based on load (approx. 4-8 minutes at full load) |
| Efficiency | Up to 95% in online mode |
| Communication Ports | 1 RS-232, 1 USB, 1 SmartSlot |
| Monitoring Software | PowerChute Business Edition included |
| LCD Display | Graphical LCD with status and control buttons |
| Audible Alarms | Yes, configurable |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -15°C to 60°C |
| Relative Humidity | 0% to 95% (non-condensing) |
| Safety Certifications | UL, CSA, CE, IECTick |
| Dimensions (H x W x D) | 1150 x 600 x 800 mm |
| Weight | 450 kg |
| Recommended Maintenance | Annual battery test and fan cleaning |
| Spare Parts Availability | Batteries, fans, control boards available via APC partner |
| Warranty | 2 years on parts and labor |
Frequently Asked Questions - ISVT20KH4B4S APC
How do I perform the initial setup of my APC ISVT20KH4B4S UPS?
Connect the input cables to a dedicated 3-phase power source, then connect the battery modules as indicated. Power on the UPS and use the LCD display to configure parameters such as voltage and frequency.
What is the transfer time of this UPS?
The transfer time is 0 ms because it uses online double conversion technology. The load is always powered by the inverter from the battery or rectified AC.
How often should I replace the battery modules?
Battery lifespan is typically 3 to 5 years depending on temperature and discharge cycles. APC recommends performing an annual runtime test and replacing the battery when runtime drops below expected values.
Can I manage this UPS over the network?
Yes, install an optional APC Network Management Card (e.g., AP9630) into the SmartSlot. Then you can monitor and control the UPS via Web, SNMP, and PowerChute Network Shutdown software.
How do I replace a battery module without shutting down the load?
The UPS supports hot-swappable batteries. Remove the protective cover, disconnect the battery connector, and slide out the battery module. Install the new module, reconnect, and replace the cover. The load remains protected during this operation.
What is the recommended maintenance routine?
Check the LCD display for alarms and events quarterly, clean the air filters and fans based on environment, and perform a battery runtime test every 6 months. Keep the area around the UPS dust-free.
What does the audible alarm mean?
The UPS emits audible alarms for various conditions: continuous beep for overload, beep every 2 seconds when on battery, and dual beep for battery disconnect. Refer to the manual for a full alarm table.
How can I configure the output voltage?
Use the LCD configuration menu to set the nominal output voltage to 208, 220, 230, or 240V as required. The setting adjusts the inverter automatically.
Can I connect a generator to this UPS?
Yes, the UPS can operate with a generator as input. For best performance, ensure the generator frequency stability is within ±5% and the generator size is at least 1.5 times the UPS rating.
What should I do if the UPS does not switch to battery power?
Check if the input voltage is within the configured range. Verify the battery circuit breakers are closed, and the battery modules are connected. If the issue persists, contact APC technical support for diagnostics.
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USER MANUAL ISVT20KH4B4S APC
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Product information
Brand : APC
Model : ISVT20KH4B4S
Category : Inverter