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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.
f Close the shut-off valve in the cold water inlet line.
f
f Open all draw-off valves.
f
f Undo the water connections on the appliance.
f
f If dismantled, store the appliance in a room free from the
f
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.
2
1
1 Flow limiter or
2 Plastic profile washer
3 Strainer
f Remove the flow limiter or plastic profile washer (selected
f
during installation).
f Remove the strainer and clean the components.
f
f Fit the strainer and the plastic profile washer or the flow
f
limiter.
www.stiebel-eltron.com
16. Specification
16.1 Dimensions and connections
b02 Entry electrical cables I
3
b03 Entry electrical cables II
c01
c06
16.2 Wiring diagram
3/PE ~ 380 - 415 V
1 Bare wire heating system
2 High limit safety cut-out
3 Safety pressure limiter
225
140
47
b03
b02
30
100
c06
c01
Cold water inlet
DHW outlet
20
117
35
HDB-E
Male thread
G 1/2 A
Male thread
G 1/2 A
HDB-E AU |
13
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Troubleshooting
