Manual Viessmann VITODENS 343-F type WS4A (page 15 of 152) (English)

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Observe DIN 1988 and DIN 4753 [or

local regulations] for the connection

on the DHW side.

Danger

DHW temperatures in excess

of 60 °C can lead to scalding.

Install an anti-scalding protec-

tion when temperatures in

excess of 60 °C occur.

Note

The safety valve, shut-off valve and

drain valve plus the check valve on

the DHW side are already integrated

into the boiler.

Note

Please read the additional mandatory

installation and maintenance instruc-

tions to comply with G3 Building regu-

lation and the requirements of the UK

Water Supply (Water Fittings) Regula-

tions/Scoitish Water Bylaws.

Heating circuit connection

A Heating flow (Multi-connect sys-

tem)

B Heating return (Multi-connect sys-

tem)

1. Flush the heating system thor-

oughly.

2. Connect the heating circuit.

Fitting the connections (cont.)

Installation sequence

5592 883 GB

Installation

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Viessmann VITODENS 343-F type WS4A Manual

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