Viessmann VITOPLEX 300 Service Instructions Manual page 11

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Table of Contents

Shutting down the system

Please note

Draining the boiler with a suction pump will cre-

ate negative pressure inside the boiler.

Only drain the boiler with a suction pump when

the air vent valve is open.

Opening the boiler door and cleaning cover

Note

On gas burners, disconnect the gas supply pipe.

Fig. 2

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

Fig. 3

Commissioning, inspection, maintenance

(cont.)

Table of Contents

Tx3a