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STIEBEL ELTRON DHE 21 User Manual

STIEBEL ELTRON DHE 21
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INSTALLATION
Appliance shutdown
84 | DHE www.stiebel-eltron.com
11.3 Recommissioning
!
Material losses
To ensure that the bare wire heating system is not dam-
aged following an interruption to the water supply, the
appliance must be recommissioned by taking the follow-
ing steps.
Disconnect the appliance from the power supply by
removing the fuses/tripping the MCBs.
Open the tap for at least one minute until the appli-
ance and its upstream cold water inlet line are free
of air.
Switch on the power supply again.
12. Appliance shutdown
Isolate all poles of the appliance from the power supply.
Drain the appliance (see chapter "Maintenance/ Draining the
appliance").
13. Installation alternatives
Overview of installation alternatives
Electrical connection IP rating
On unfinished walls, connected from above IP25
On unfinished walls, connected from below, short
power cable
IP25
Finished walls IP24
Water connection IP rating
Finished walls IP24
Other IP rating
Installation with offset tiles IP25
Rotated appliance cover IP25
Horizontal installation of the appliance IP24
WARNING Electrocution
Before any work on the appliance, disconnect all poles
from the power supply.

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STIEBEL ELTRON DHE 21 Specifications

General IconGeneral
TypeElectronic instantaneous water heater
Rated output21 kW
Protection classIP25
Energy efficiency classA
Temperature range60 °C
Power supply voltage400 V
Dimensions105 mm

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