VFI 1000 CG PF1 - Inverter PowerWalker - Free user manual and instructions
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| Brand | PowerWalker |
| Model | VFI 1000 CG PF1 |
| Product Category | Inverter / Uninterruptible Power Supply (UPS) |
| Technology | Online Double Conversion (VFI) |
| Rated Power | 1000 VA / 1000 W (Power Factor 1) |
| Output Waveform | Pure Sine Wave |
| Transfer Time | 0 ms (no interruption to load) |
| Input Voltage Range | 160–300 VAC (adjustable) |
| Output Voltage | 220/230/240 VAC (configurable) |
| Frequency Range | 50/60 Hz (auto-sensing) |
| Battery Type | Maintenance-free sealed lead-acid (12V) |
| Battery Management | Smart charging with overcharge protection |
| Cold Start | Supported (DC start without mains power) |
| User Interface | LED indicators for mains, battery, bypass, and fault |
| Communication Ports | USB and RS-232 (typical) |
| Protection Features | Overload, short-circuit, surge, and deep-discharge protection |
| Cooling | Controlled forced-air cooling fan |
| Dimensions (W × D × H) | Approx. 400 × 145 × 220 mm |
| Weight | Approx. 16 kg |
| Operating Temperature | 0–40°C |
| Humidity Range | 20–90% non-condensing |
| Maintenance | Keep ventilation slots clear; clean exterior with dry cloth |
| Repairability | Replaceable battery and cooling fan |
| Compliance | CE approved |
Frequently Asked Questions - VFI 1000 CG PF1 PowerWalker
What does VFI 1000 CG PF1 mean?
VFI stands for Voltage and Frequency Independent, meaning it uses an online double conversion topology. 1000 refers to the 1000 VA / 1000 W output rating. CG may indicate the series or housing type, and PF1 confirms a power factor of 1, so the wattage equals the VA rating.
What is the difference between online double conversion and line-interactive UPS?
An online double conversion UPS continuously converts incoming AC to DC, then back to AC to power connected devices. This provides zero transfer time and perfect output waveform isolation. A line-interactive UPS only regulates voltage and switches to battery during outages, which can cause a brief transfer delay and less protection against frequency fluctuations.
How long does the battery last on the VFI 1000 CG PF1?
The exact runtime depends on the load. At 50% load (500 W), you can expect approximately 10–15 minutes. At full load (1000 W), runtime is around 3–6 minutes. These estimates vary with battery condition and temperature. The UPS supports external battery packs for extended runtime.
Can I power a PC and monitor with this UPS?
Yes, a typical desktop PC and monitor draw about 300–400 W, so the 1000 W capacity gives enough headroom. It also provides pure sine wave output, which is safe for active PFC power supplies found in modern computers and monitors.
How do I replace the battery?
Disconnect the UPS from mains and remove the front cover. The battery is a sealed lead-acid unit with quick-disconnect connectors. Slide the battery out and replace it with an identical one, ensuring correct polarity. Check the manual for the exact battery type. Always recycle the old battery properly.
Does the UPS have surge protection?
Yes, it includes built-in surge and spike protection for both power line and data communication ports. This safeguards connected equipment from lightning-induced surges and electrical noise.
What is cold start and why is it useful?
Cold start allows the UPS to be powered on from the battery even without mains input. This is useful in areas with frequent outages, letting you boot the UPS and connected equipment for a safe shutdown before mains returns or during a scheduled outage.
Which communication interfaces are built in?
The unit typically provides a USB port and an RS-232 serial port. With the supplied cable and monitoring software, you can perform automatic shutdown, view real-time power data, and configure the UPS parameters from your computer.
How should I maintain the UPS?
Keep the UPS in a clean, ventilated area away from direct sunlight. Do not block the ventilation grilles and check the cooling fan for dust buildup every few months. Wipe the exterior with a dry cloth. The battery is maintenance-free but should be tested every 3 months to ensure it holds a charge.
Is the output a true sine wave?
Yes, the VFI 1000 CG PF1 produces a pure sine wave output. This is essential for sensitive electronic equipment, servers, and devices with active PFC power supplies that can malfunction with simulated or modified sine waves.
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USER MANUAL VFI 1000 CG PF1 PowerWalker
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Product information
Brand : PowerWalker
Model : VFI 1000 CG PF1
Category : Inverter