STIEBEL ELTRON DHE 21 User Manual

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INSTALLATION
Installation alternatives
ENGLISH
13.4 Connecting a load shedding relay
Install a load shedding relay in the distribution board in conjunc-
tion with other electric appliances, e.g.electric storage heaters.
The relay responds when the instantaneous water heater starts.
!
Material losses
Connect the phase that switches the load shedding relay
to the indicated terminal of the mains terminal in the
appliance (see chapter "Specification/ Wiring diagram").
13.5 Water installation on finished walls
Note
This type of connection changes the IP rating of the ap-
pliance.
 Change the type plate. Cross out "IP25" and mark
the box "IP24". Use a ballpoint pen to do this.
19
24
5 Nm
18 Nm
D0000033104
 Fit water plugs with gaskets to seal the concealed connec-
tions. All taps obtained as accessories are supplied with
plugs and gaskets in the standard delivery. For pressure taps
other than those recommended by us, plugs and gaskets can
be ordered as accessories.
 Fit a suitable pressure tap.
 Push the lower back panel section under the connection
pipes of the tap and push it into the back panel.
 Secure the connection pipes to the tee and the 3-way ball
shut-off valve.
Note
You can break off the pipe fitting tabs on the lower back
panel section if required.

STIEBEL ELTRON DHE 21 Specifications

General

Type	Electronic instantaneous water heater
Rated output	21 kW
Protection class	IP25
Energy efficiency class	A
Temperature range	60 °C
Power supply voltage	400 V
Dimensions	105 mm