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 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.
1.
Check the inlet pressure of the dia-
phragm expansion vessel.
2.
Close the gas shut-off valve.
3.
Fill the heating system at the fill
valve in the heating return (on the
connection set or on site).
(Minimum system pressure
> 0.8 bar).
Note
If the control unit has not been
switched ON prior to filling the sys-
tem, then the servomotor of the
diverter valve will still be in its cen-
tral position, and the system will be
completely filled.
4.
If the control unit was already
switched ON before filling began:
Switch ON the control unit and acti-
vate the filling program via code
"2F:2".
Note
To call up coding level 1 and for
setting the coding address, see
page 41.
For function and details of the fill
program, see page 100.
Whilst the fill program is running,
the display shows "
bF
"
(Vitotronic 100) or "
Befüllung
"
(filling) (Vitotronic 200).
5.
Close the boiler fill & drain valve.
6.
Set code "2F:0".
Further details regarding the individual steps
7
Commissioning, inspection, maintenance
5692
731
GB
Содержание VITODENS 333-F WS3A
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