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Installation
Safety
7.
Safety
7.1
General safety instructions
All required steps to complete commissioning must be carried
out by a heating contractor. During this process, these installation
instructions must be observed.
We guarantee trouble-free function and operational reliability
only if the original accessories and spare parts intended for the
appliance are used.
7.2
Instructions, standards and regulations
Risk of damage!
!
Observe the type plate. The stated voltage must match
the mains voltage.
Danger to life through electrocution!
All electrical connection and installation work must
be conducted in accordance with VDE regulations
(DIN VDE 0100) [or local regulations], the rules of your
local power supply utility and relevant national and
local regulations.
Danger to life through electrocution!
Connection to the power supply is only possible as a
fixed connection. The appliance must be able to be
separated from the mains power supply by an isolator
that disconnects all poles with at least 3 mm contact
separation.
Risk of damage!
!
Observe all national and local instructions and regula-
tions relating to water connection, e.g. the DIN 1988 in
Germany.
- The protection IP 25 (hoseproof) can only be ensured with a
correctly fitted cable grommet.
- The specific electrical resistance of the water used must not
fall below that stated on the type plate. In a linked water
network, observe the lowest electrical water resistance
(see chapter "Application areas"). Your water supply utility
will advise you of the specific electrical water resistance or
conductivity.
7.3
Water installation
7.3.1 Cold water line
We approve steel or copper pipes or plastic pipework.
7.3.2 DHW line
We approve copper or plastic pipework.
Risk of damage!
!
If plastic pipework is used, take into account the most
extreme operating and fault conditions that can occur
in the appliance.
Plastic pipe manufacturer.
Observe the plastic pipe manufacturer's instructions.
www.stiebel-eltron.com
- A safety valve in the hot water pipe is not permissible.
- Never operate with pre-heated water ≥ 45 °C.
- Never operate with valves intended for open vented
appliances.
7.4
Risk of frost
The installation of the appliance must be carried out in a room
free from the risk of frost.
f Store the dismantled appliance in a room free from the risk
f
of frost, as water residues remaining inside the appliance can
freeze and cause damage.
8.
Equipment description
The bare wire heating system is suitable for hard and soft water
areas. The heater has low susceptibility to scale build-up.
The outlet temperature can be infinitely adjusted. The electronic
control unit enables automatic matching of the electrical output
corresponding to the selected temperature subject to the actual
throughput.
8.1
Standard delivery
- Mounting bracket
- Installation template
- Twin nipple
- Cross-piece
- Tee
- Flat packing
- Sieve
- Flow limiter
- Plastic profile washer
- Plastic cap
- Flexible plastic couplings
- Cap guides
8.2
Assembly
The following conditions have been prepared for the appliance
at the factory:
- Power supply from "rear", installation on unfinished walls
- Water connection, installation on unfinished walls
The appliance must be fitted vertically, over or undersink, to a
solid wall.
DHB-E electronic |
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