Safety; General Safety Instructions; Instructions, Standards And Regulations - STIEBEL ELTRON DHE 18 Operation And Installation

INSTALLATIoN

Safety

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.
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
thermostatic valve (see chapter "Appliance description /
Accessories").
WARNING Electrocution
This appliance contains capacitors which are discharged
when disconnected from the power supply. The capacitor
discharge voltage may briefly exceed 60 V DC.
72 | DHE
7.2 Shower operation
CAUTION Burns
f When supplying a shower, set the internal an- f
ti-scalding protection to 55 °C or less; see chapter
"Commissioning / Preparations".
CAUTION Burns
If operating with preheated water, e.g. if using a solar
thermal system, observe the following information:
- The DHW temperature may exceed the set tempera-
ture or a set temperature limit.
- The dynamic anti-scalding protection between the
appliance and a wireless remote control may not be
effective.
f In such cases, limit the temperature with an up- f
stream central thermostatic valve (e.g. ZTA 3/4).
7.3

Instructions, standards and regulations

Note
Observe all applicable national and regional regulations
and instructions.
- The IP 24 / IP 25 protection rating can only be ensured with a
correctly fitted cable grommet.
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