43
!
Please note
Unsuitable fill water increases the level of
deposits and corrosion. This can cause damage
to the appliance.
■
The fill and top-up water must be softened,
e.g. with a small heating water softener.
■
Permissible total hardness of the fill and top-
up water: < 3.0 mol/m
3
(16.8 °dH)
■
Antifreeze must not be added to the fill or top-
up water.
D
B
C E
F
G
A
H
K
Fig. 35
Note
The two fittings with fill valve
B
and drain valve
C
can be turned.
0
1.
Remove the top front panel and the programming
unit mounting bracket: See page 25.
0
2.
Open the wiring chamber: See page 30.
0
3.
Close gas shut-off valve
A
.
0
4.
Undo the screw cap from fill valve
B
and connect
the fill hose.
0
5.
Open the fill valve by turning the top of fitting
D
anti-clockwise.
Commissioning, inspection, maintenance
Filling the system separation circuit
(cont.)
5839343
Summary of Contents for E00T
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