Further Details Regarding The Individual Steps; Filling The Heating System; Converting To Operation With Lpg - Viessmann VITODENS 100-W Installation And Service Instructions Manual

Commissioning, inspection, maintenance

Further details regarding the individual steps

Filling the heating system

!
Please note
Unsuitable fill water increases the level of deposits and corrosion and may
lead to boiler damage.
■ Thoroughly flush the heating system prior to filling it with water.
■ Only use fill water of potable quality.
■ Soften fill water harder than 300 ppm.
■ An antifreeze additive suitable for heating systems can be mixed with the
fill water.
Fill and vent heating system.

Converting to operation with LPG

In the delivered condition, the boiler is
set up for operation with natural gas. For
operation with LPG, the gas nozzle must
be changed and the gas type converted
in the control unit.
Separate installation instruc-
tions.
16
Changing from LPG to natural gas - see
page 37.