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Viessmann VITODENS 300-W User Manual

Viessmann VITODENS 300-W
124 pages
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VIESMANN
Service instructions
for contractors
Vitodens 300-W
Type WB3C, 3.8 to 35.0 kW
Wall mounted gas fired condensing boiler
Natural gas and LPG version
For applicability, see the last page
VITODENS 300-W
5692 673 GB 5/2008 Please keep safe.

Table of Contents

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Viessmann VITODENS 300-W Specifications

General IconGeneral
TypeCondensing Boiler
Output Range1.9 to 35 kW
ControlVitotronic 200
Heat Exchanger MaterialStainless steel
Fuel TypeNatural gas
EfficiencyUp to 98%
WiFi ConnectivityOptional
Warranty5 years

Summary

Safety Instructions

Safety Symbols and Explanations

Explanation of safety symbols, danger warnings, and notes.

Emergency Procedures for Gas and Flue Gas

Immediate actions to take if gas or flue gas is detected.

System Setup and Maintenance

Commissioning, Inspection, and Maintenance Steps

Detailed procedural steps for system commissioning, inspection, and maintenance.

Coding and System Configuration

Instructions for setting system parameters via codes 1 and 2.

Operation, Diagnostics, and Functions

Service Scans and Overview

Guide to accessing system scan functions, data, and relay tests.

Function Descriptions

Explanation of how the boiler and its control unit operate.

Troubleshooting and Repairs

Fault Display and Fault Codes

Understanding fault messages and their corresponding codes and causes.

Component Repair Procedures

Guides for checking and replacing common components like sensors.

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