Viessmann VITODENS 100-W Installation And Service Instructions Manual page 12

For contractors. wall mounted gas condensing boiler natural gas and lpg version

Hide thumbs Also See for VITODENS 100-W:

Table of Contents

Installation sequence

Fitting the boiler and assembling connections

2. Carry out a tightness test.

Note

For the tightness test, use only suita-

ble and approved leak detecting

agents (EN 14291) and devices.

Leak detecting agents with unsuita-

ble contents (e.g. nitrites, sulphides)

can lead to material damage.

Remove residues of the leak detect-

ing agent after testing.

Please note

Excessive test pressure may

damage the boiler and the gas

valve.

Max. test pressure 150 mbar.

Where higher pressure is

required for tightness tests,

separate the boiler and the

gas valves from the gas sup-

ply pipe (undo the fitting).

3. Vent the gas line.

(cont.)

Table of Contents

Chapters

Table of Contents