Troubleshooting; Installation; Safety; General Safety Instructions - STIEBEL ELTRON DHB-E 13 AU Operation And Installation Instruction

OPERATION | INSTALLATION

Troubleshooting

6. Troubleshooting
Fault Cause
The appliance will There is no power at the
not start despite the appliance.
DHW valve being
fully open.
The aerator in the tap or
the shower head is scaled
up or dirty.
The water supply has been
interrupted.
Cold water flows The air sensor detects air in
briefly while hot the water, resulting in the
water is being appliance's heating output
drawn. being switched off briefly.
Required temper- The appliance no longer
ature > 45 °C is not delivers heat. The cold
achieved. water inlet temperature is
> 45 °C.
If you cannot remedy the fault, notify your qualified contractor.
To facilitate and speed up your enquiry, please provide the serial
number from the type plate (000000-0000-000000):
6 | DHB-E AU
Remedy
Check the fuses/MCBs in
your fuse box/distribution
board.
Clean and/or descale the
aerator or shower head.
Vent the appliance and the
cold water inlet line (see
chapter "Settings / Follow-
ing an interruption to the
water supply").
The appliance restarts au-
tomatically after 1 minute.
Reduce the cold water inlet
temperature.
DHB-E ... AU
No.: 000000-0000-000000

INSTALLATION

7.

Safety

Only a qualified contractor should carry out installation, commis-
sioning, maintenance and repair of the appliance.
7.1

General safety instructions

We guarantee trouble-free function and operational reliability only
if original accessories and spare parts intended for the appliance
are used.
Flow pressure
If the flow rate is not sufficient to switch on the appliance even
when the tap is open, remove the flow limiter and replace it with
the plastic profile washer supplied.
If required, the pressure in the water installation can also be
raised.
Note
If a thermostatic valve is used, you must not replace the
flow limiter with the plastic profile washer.
Material losses
!
Observe the maximum inlet temperature. Higher tem-
peratures may damage the appliance. You can limit the
maximum inlet temperature by installing a central ther-
mostatic valve.
WARNING Electrocution
This appliance contains capacitors which are discharged
when disconnected from the power supply. The capacitor
discharge voltage may briefly reach > 60 V DC.
7.2

Information on shower operatio

DHB-E 13 AU
CAUTION Burns
If the water supplied to the appliance is preheated,
please note the following points:
The internally adjustable anti-scalding protection that
is may be exceeded.
f Limit the temperature with an upstream central f
thermostatic valve (ZTA 3/4).
DHB-E 18 AU | DHB-E 27 AU
CAUTION Burns
f In accordance with sanitary regulations, when sup- f
plying water to a bathroom, you must safeguard the
maximum water temperature of 50 °C by installing
a temperature controller on site.
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