Maintenance; Specification; Dimensions And Connections; Wiring Diagram - STIEBEL ELTRON DHB 18 STi Operating And Installation

INSTALLATIoN

Maintenance

15. Maintenance
WARNING Electrocution
Before any work on the appliance, disconnect it omnip-
olar from the power supply.
Draining the appliance
The appliance can be drained for maintenance work.
WARNING Scalding
Hot water may escape when you drain the appliance.
f Close the 3-way shut-off valve or the shut-off valve in the f
cold water supply line.
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
If contaminated, clean the strainer in the threaded cold water
fitting. Close the 3-way shut-off valve or the shut-off valve in the
cold water supply line before removing, cleaning and refitting
the strainer.

16. Specification

16.1 Dimensions and connections

225
140
b02
30
100
c06 c01
b02 Entry cables I
c01 Cold water Inlet
c06 DHW outlet
30 | DHB STi
20 110
35
121
DHB STi
Male thread G 1/2 A
Male thread G 1/2 A
Alternative connection options
b04
b04
b02 Entry cables I
b03 Entry cables II
b04 Entry cables III

16.2 Wiring diagram

3/PE ~ 380-415 V
1 Heater
2 High limit safety cut-out
3 Safety pressure limiter
b04
47
b03
b04
b02
30
165
b04
DHB STi
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