Vitoligno 300-C - Boiler VIESSMANN - Free user manual and instructions
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| Product Type | Wood Pellet Boiler |
| Brand | Viessmann |
| Model | Vitoligno 300-C |
| Energy Source | Wood Pellets (ENplus A1 or A2) |
| Heat Output Range | 4.0 – 12.0 kW |
| Efficiency | Up to 93% (full load) |
| Water Capacity | Approx. 35 L |
| Max Operating Pressure | 3.0 bar |
| Max Operating Temperature | 90 °C |
| Flue Gas Temperature | 120 – 180 °C (depending on load) |
| Electrical Supply | 230 V / 50 Hz |
| Dimensions (H x W x D) | 1400 mm x 600 mm x 800 mm |
| Weight | Approx. 260 kg |
| Ignition | Automatic electric ignition |
| Control System | Weather-compensated electronic control with digital display |
| Safety Features | Overheat protection, pressure relief valve, door safety switch, flue gas temperature limiter |
| Maintenance | Weekly ash removal; monthly cleaning of heat exchanger tubes; annual professional service |
| Noise Level | ≤ 52 dB(A) at nominal output |
| Warranty | 2 years (manufacturer warranty, extended available) |
| Certifications | CE, EN 303-5, 5th BImSchV |
| Country of Origin | Germany |
Frequently Asked Questions - Vitoligno 300-C VIESSMANN
How do I light the boiler for the first time?
Ensure the pellet hopper is filled and the feed system primed. Press the On/Off button on the control panel; the automatic ignition sequence will start. Follow the display prompts for initial settings.
What does error code F0 mean?
Error code F0 indicates a flue gas temperature sensor fault. Check the sensor connection and clean the probe; if the error persists, replace the sensor.
How often should I clean the boiler?
Remove ash from the combustion chamber weekly. Clean the heat exchanger tubes monthly using the supplied brush. A full professional service is recommended annually.
What type of pellets can I use?
Use only ENplus A1 or A2 certified wood pellets with a diameter of 6 mm and length up to 30 mm. Avoid low-quality or dusty pellets to prevent feed issues.
What is the warranty period and what does it cover?
The standard warranty is 2 years from installation date, covering manufacturing defects in materials and workmanship. Extended warranties are available through your installer.
How loud is the boiler during operation?
The noise level is ≤ 52 dB(A) at nominal output, comparable to a quiet dishwasher. Proper installation on a stable surface minimizes vibration noise.
What is the typical efficiency of this boiler?
Efficiency reaches up to 93% at full load, with seasonal efficiency around 85-90% depending on system design and control settings. The modulating burner optimizes combustion.
What are the installation space requirements?
Minimum clearance: 500 mm on the front for service, 200 mm on sides and rear, and 1000 mm above for flue connection. The boiler must be installed on a non-combustible base.
Can I control the boiler remotely?
Yes, via the optional Viessmann Vitoconnect interface, you can monitor and control the boiler using the ViCare app on your smartphone or tablet.
Why does the boiler keep switching off and on?
This may be due to oversizing relative to heat demand or incorrect control settings. Check the weather-compensated curve setting; also ensure the buffer tank (if installed) is sized correctly.
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USER MANUAL Vitoligno 300-C VIESSMANN
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Product information
Brand : VIESSMANN
Model : Vitoligno 300-C
Category : Boiler