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INSTALLATION
Maintenance
www.stiebel-eltron.com DEL Plus AU | 17
16. Maintenance
WARNING Electrocution
Before any work on the appliance, disconnect all poles
from the power supply.
This appliance contains capacitors which are discharged
when disconnected from the power supply. The capacitor
discharge voltage may briefly exceed60VDC.
Draining the appliance
The appliance can be drained for maintenance work.
WARNING Burns
Hot water may escape when you drain the appliance.
f Close the shut-off valve in the cold water inlet line.
f Open all draw-off valves.
f Undo the pipe connections from the appliance.
f Store the dismantled appliance in a room free from the risk
of frost, as water residues remaining inside the appliance can
freeze and cause damage.
Cleaning the strainer
If dirty, clean the strainer in the threaded cold water fitting. Close
the shut-off valve in the cold water inlet line before removing,
cleaning and refitting the strainer.
D0000077740
2
1
1 Strainer
2 Plastic profile washer
f Remove the plastic profile washer and the strainer.
f Clean the components.
f Fit the strainer and the plastic profile washer.
17. Specification
17.1 Dimensions and connections
466
481
225
35
35
414
38
105≤ 20
140
30
b02
100
c01c06
368
116
D0000077739
DELPlusAU
b02 Entry electrical cables I On unfinished walls
c01 Cold water inlet Male thread G 1/2 A
c06 DHW outlet Male thread G 1/2 A
Alternative connection options
165
b04
b04
69
330
b04
69
325
b04
b04
b03
20
35
30
b02
D0000077736
DELPlusAU
b02 Entry electrical cables I On unfinished walls
b03 Entry electrical cables II On unfinished walls
b04 Entry electrical cables III On finished walls
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