Condensate Connection; Connections On The Heating Water Side; Flow And Return - Viessmann VITOLADENS 300-T Installation Instructions Manual

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Condensate connection

A Supply from the boiler

B Neutralising system or active char-

coal filter

C Drain to the drainage system

A Filling connection

Connect the condensate drain by the

shortest route, with a constant fall and a

pipe vent to the drainage system. Install

a neutralising system if required.

Note

■ ATV-DVWK-A 251 permits boiler use

without a neutralising system when

operating with low sulphur fuel oil

DIN 51605-EL-1 (sulphur content

≤ 50 mg/kg).

■ Use an active charcoal filter (acces-

sory) if not using a neutralising system.

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