Viessmann Vitovalor 300-P User Manual

Installation and service instructions
for contractors
VIESMANN
Vitovalor 300-P
Type C3TB, 1 to 20 kW
Micro CHP unit based on a fuel cell with integral gas condensing boiler
Natural gas version
For applicability, see the last page
VITOVALOR 300-P
5775 636 GB 1/2016
Please keep safe.

Viessmann Vitovalor 300-P Specifications

General

Brand	Viessmann
Model	Vitovalor 300-P
Category	Boiler
Language	English

Summary

Safety Instructions

Safety instructions for working on the system

Critical safety guidelines for installation and maintenance work on the system, including gas and electrical safety.

Safety instructions for operating the system

Essential safety measures for the safe operation of the appliance, covering gas and flue gas risks.

Preparing for Installation

Notes on connecting to the mains supply

Installation Sequence

Connecting the fuel cell module on the heating water and gas sides

Heating water and DHW connections

Electrical connections

Commissioning, Inspection, and Maintenance

Commissioning steps

Step-by-step procedure for the initial setup and commissioning of the appliance, covering system checks and settings.

Troubleshooting

Fault display on gas condensing module

How to interpret and acknowledge fault messages displayed for the gas condensing module, including fault codes.

Fault codes for gas condensing module

A detailed list of fault codes, their system characteristics, causes, and recommended measures for resolution.

Fault display, fuel cell module

Guide to understanding and acknowledging fault messages specific to the fuel cell module, including fault codes.