Viessmann VITORADIAL 300-T User Manual

Installation instructions
for contractors
VIESMANN
Vitoradial 300-T
Type VR3
Condensing boiler with heat exchanger
VITORADIAL 300-T
5458 389 GB 1/2010
Dispose after installation.

Viessmann VITORADIAL 300-T Specifications

General

Brand	Viessmann
Model	VITORADIAL 300-T
Category	Boiler
Language	English

Summary

VITORADIAL 300-T

Safety instructions

Working on the system

Outlines critical safety procedures for system operation.

Clearance dimensions

Boiler positioning and levelling

Connecting the heating water side

Making the safety connection and checking tightness

Fitting the thermal insulation to the boiler

Boiler body thermal insulation

Instructions for insulating the main body of the boiler.

Rear thermal insulation

Side panels and burner cables

Front panels

Preparing the control unit installation

Rear panels

Mounting the heat exchanger

Frame, flue gas collector

Cover, flue gas collector

Fabric lining, heat exchanger

Heat exchanger

Fabric lining for heat exchanger (continued)

Hydraulic connection of the heat exchanger

Installing the flange

Connecting pipes to flange

Fitting the circulation pump

Heat exchanger pipework

Hydraulic connection for 101 to 157 kW

Hydraulic connection for 201 to 335 kW

Fitting the heat exchanger thermal insulation

Fitting the flue gas high limit safety cut-out

Connection on the flue gas side

Burner installation

Instructions for installing the burner unit.

Installing the combustion chamber sight glass

Important information on commissioning