ENGLISH
www.stiebel-eltron.com HDB-E AU | 13
INSTALLATION
Maintenance
15. Maintenance
WARNING Electrocution
Before any work on the appliance, disconnect all poles
from the power supply.
Draining the appliance
You can drain the appliance for maintenance work or to protect
it from frost.
CAUTION Burns
Hot water may escape when you drain the appliance.
Close the shut-off valve in the cold water inlet line.
Open all draw-off valves.
Undo the water connections on the appliance.
If dismantled, store the appliance in a room free from the
risk of frost, as water residues remaining inside the appli-
ance can freeze and cause damage.
Cleaning the strainer
A strainer is located in the tee from the cold water inlet pipe. In
case of contamination, you can remove this strainer and clean it.
D0000041722
1 32
1 Flow limiter or
2 Plastic profile washer
3 Strainer
Remove the flow limiter or plastic profile washer (selected
during installation).
Remove the strainer and clean the components.
Fit the strainer and the plastic profile washer or the flow
limiter.
16. Specification
16.1 Dimensions and connections
b02
c01c06
100
414
40
11720225
140
35
368
30
338
47
b03
35
D0000023609
HDB-E
b02 Entry electrical cables I
b03 Entry electrical cables II
c01 Cold water inlet Male thread G 1/2 A
c06 DHW outlet Male thread G 1/2 A
16.2 Wiring diagram
3/PE ~ 380 - 415 V
85�02�02�0005
1 Bare wire heating system
2 High limit safety cut-out
3 Safety pressure limiter
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