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Viessmann VITOLIGNO 300-S User Manual

Viessmann VITOLIGNO 300-S
60 pages
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Operating instructions
for the system user
Viesmann
High performance wood gasification boiler
for split logs up to 50 cm long
VITOLIGNO 300-S
5817504 GB 7/2020
Please keep safe.

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Viessmann VITOLIGNO 300-S Specifications

General IconGeneral
BrandViessmann
ModelVITOLIGNO 300-S
CategoryBoiler
LanguageEnglish

Summary

Introductory Information

Symbols

Explanation of symbols used in the manual.

Terminology

Definitions of key terms used in the manual.

Intended Use

Specifies the appliance's intended purpose and limitations.

Commissioning

Steps and responsibilities for system setup.

Your System is Preset

Default factory settings for heating and DHW.

Energy Saving Tips

Recommendations for efficient operation and cost reduction.

Appliance Description

Overview of the boiler's features and components.

About the Controls

Control Unit and Display Elements

Description of the programming unit and its functions.

Start-up and Shutdown

Boiler Operating Phases

Describes the different stages of boiler operation after heat-up.

Heat-up Preparations

Steps to take before starting the boiler.

Ideal Log Dimensions

Specifies the correct size of logs for the boiler.

Charging with Fuel

Instructions on how to load the boiler with fuel.

Heating Up Manually

Procedure for manually igniting and starting the boiler.

Heating Up with Electric Ignition

Using the electric ignition system for heat-up.

Recharging Fuel

How and when to add more fuel to the boiler.

Boiler Overheating Measures

Actions to take if the boiler overheats.

High Limit Safety Cut-out (STB)

Explanation and reset of the STB safety feature.

Thermally Activated Safety Valve

Information on the safety valve function.

Reducing Tar Deposits

Methods to minimize tar formation in the hopper.

Control Unit Operation

Navigating the Control Unit Menu

How to move through and use the control unit interface.

Control Unit Menu Structure

Overview of the standard and extended menus.

Example Settings Procedure

Demonstrates settings using dialogue lines.

Screensaver Function

Behavior and activation of the screensaver.

Setting Automatic Ignition

Setting Enable Times for Ignition

How to define periods for automatic ignition.

Changing Enable Times

Procedure to modify existing ignition time settings.

Central Heating

Room Temperature Settings

Adjusting day and night room temperatures and selecting heating circuits.

Operating Program Settings

Setting the heating mode for central heating.

Time Program for Central Heating

Configuring daily heating schedules and time phases.

Adjusting the Heating Curve

Modifying slope and level for optimal room temperature control.

Stopping Central Heating

Procedures for putting the central heating into standby.

Comfort Function "Party Mode"

Adjusting room temperature temporarily for events.

Energy Saving Function "Economy Mode"

Reducing room temperature for short absences.

Energy Saving Function "Holiday Program"

Setting a program for extended absences.

DHW Heating

DHW Temperature Settings

Adjusting the domestic hot water temperature.

DHW Operating Program

Setting the operating mode for hot water generation.

DHW Time Program

Configuring schedules for domestic hot water heating.

Stopping DHW Heating

Procedures for disabling domestic hot water heating.

Further Adjustments

Display Settings

Adjusting contrast and brightness of the control unit display.

Naming Heating Circuits

Customizing names for heating circuits.

System Settings

Configuring time, date, temperature units, and boiler water temp.

Advanced System Adjustments

Adjusting residual oxygen and minimum system temp, restoring factory settings.

Information Call Up

Calling Up Information

Accessing system status and operational data via menus.

Calling Up Temperatures

Retrieving various temperature readings from the system.

Calling Up Fault Messages

Displaying and understanding system error codes.

Prolonged Heating System Shutdown

Shutdown Procedure

Steps for safely switching off the heating system for extended periods.

Troubleshooting

Addressing Cold Rooms

Diagnosing and resolving issues causing insufficient heating.

Addressing Overheated Rooms

Diagnosing and resolving issues causing excessive heating.

Hot Water Issues

Troubleshooting problems with domestic hot water supply.

Error and Warning Displays

Interpreting system fault and warning indicators.

Maintenance

General Maintenance Requirements

System inspection, boiler, DHW cylinder, safety valves, and filters.

Maintenance and Cleaning Schedule

Table outlining activities based on operating hours and intervals.

Information Regarding Maintenance

Safety precautions and general guidance for maintenance.

Flue Gas Emissions Testing

Preparations for required emissions tests.

Cleaning the Ash Chamber

Procedure for cleaning the ash pan and chamber.

Hopper Cleaning

Instructions for cleaning the fuel hopper.

Cleaning the Heat Exchanger

Steps to clean the heat exchanger components.

Emptying Heat Exchanger Ash Pan

Procedure for emptying the ash pan of the heat exchanger.

Cleaning the Sight Glass

How to clean the boiler's sight glass.

Cleaning the Combustion Chamber

Steps to clean the combustion chamber.

Ordering Fuel

Wood Fuel Properties

Details on fuel constituents, moisture, and storage.

Approved Fuel Types

Specifications for logs, woodchips, and joinery waste.

Non-Approved Fuels

List of fuels that must not be used.

Appendix

Glossary of Terms

Definitions of technical terms used in the manual.

Disposal Information

Guidelines for disposing of packaging and the heating system.

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