Pivoting down the control unit for commissioning and main-
tenance work
1. Open flap A.
2. Release the side closures B and
pivot control unit C forward.
3. Release the side screws and pivot
control unit C down with its retain-
ing frame D.
Filling the heating system
!
Please note
Unsuitable fill water increases the level of deposits and corrosion and
may lead to damage on the compact boiler.
&
Thoroughly flush the entire heating system prior to filling it with water.
&
Only use fill water of potable quality.
&
Soften fill water with hardness exceeding 3.0 mmol/l, e.g. use a small
softening system for heating water (see Vitoset price list).
&
An antifreeze additive suitable for heating systems can be mixed with
the fill water.
Further details regarding the individual steps
23
Commissioning, inspection, maintenance
5592 883 GB
Service
