Viessmann VITOPLEX 300 User Manual

Service instructions
for contractors
VIESMANN
Vitoplex 300
Type TX3A
Oil/gas fired boiler
Rated output 620 to 2000 kW
VITOPLEX 300
5692 798 2/2009
Please keep safe.

Viessmann VITOPLEX 300 Specifications

General

Brand	Viessmann
Model	VITOPLEX 300
Category	Boiler
Language	English

Summary

Safety instructions

Safety instructions explained

Explains the meaning of warning symbols used in the document.

If you smell gas

Provides critical safety steps to follow in case of gas leaks.

Working on the system

Outlines essential precautions for personnel working on the heating system.

Repair work

Advises on using original spare parts for safety-critical component repairs.

Ancillary components, spare and wearing parts

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance

Details the overall sequence of commissioning, inspection, and maintenance tasks.

Further details regarding the individual steps

Provides in-depth explanations and procedures for specific operational tasks.

Commissioning the system

Details the procedure for filling and preparing the heating system.

Shutting down the system

Provides instructions for safely de-energizing and shutting down the boiler.

Opening the boiler door and clean-out cover

Cleaning the internal pipes, heating surface, flue outlet and flue pipe

Inserting the internal pipes, fitting the boiler door and clean-out cover

Checking the function of the safety equipment

Outlines checks for safety valves, water level, and pressure limiters.

Checking the diaphragm expansion vessel and system pressure

Diaphragm expansion vessel

Checking the water quality

Adjusting the burner

Parts lists

Water quality requirements

Heating systems with rated operating temperatures up to 100 °C (VDI 2035)

Prevention of damage through corrosion on the water side