Siemens DE2427415 - Manual (Page 14)

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Installation instructions
Install the continuous-flow heater as described in the
illustrated section. Observe the instructions in the text.
Safety information
Risk of electric shock!
Switch off the mains voltage supply immediately if
a fault occurs.
We do not accept liability for damage resulting from ■
failure to heed these instructions.
The continuous-flow heater may only be connected ■
and put into operation by a qualified professional.
Never open the appliance without disconnecting the ■
power supply beforehand.
The statutory regulations of the respective country, as ■
well as those of the local electricity and water suppliers,
must be adhered to.
The continuous-flow heater is a Class ■ I appliance and
must be connected to the protective earth.
The appliance must be permanently connected to installed ■
pipes. The conductor cross-section must comply with
the installed appliance power.
Caution ■ : Earthed water pipes may give the appearance of
a connected protective earth.
To guarantee compliance to relevant safety regulations, ■
an all-pole separator must be fitted during installation.
The contact opening must be at least 3 mm.
The continuous-flow heater is only suitable for closed ■
(pressurized) operation.
The tap and outlet fittings must be approved for operation ■
with closed (pressurized) continuous-flow heater systems.
The continuous-flow heater can be operated with cold or ■
pre-warmed water (for example, from a solar energy unit
water supply). Observe the technical data and the special
accessories for this purpose.
The continuous-flow heater is only suitable for connection ■
to DVGW (German Technical and Scientific Association for
Gas and Water) approved plastic pipes.
The continuous-flow heater may only be installed in a ■
frost-free room.
Disconnect the electrical connection cable from the sup- ■
ply and shut off the water supply before connecting the
appliance!
Connect the water supply and then connect the electrical ■
supply.
Only make the openings which are required for instal- ■
lation on the rear of the appliance. If the appliance is
reinstalled, the unused openings must be provided with
watertight sealing.
Do not touch electrically live parts after installation. ■
Installation
I. Unpacking/Removing the cover
Unpack the appliance and check for transport-related ■
damage.
Please dispose of the packaging, and if applicable, the old ■
appliance in an environmentally-friendly manner.
II. Preparations for installation
Important: Only use the supplied installation set.
The supplied water connection nozzles must be installed!
Shut off water supply. The electrical connection (connec- ■
tion cable) must be disconnected from the power supply.
Unscrew the fuse or switch off the circuit breaker.
III. Wall mounting
The continuous-flow heater must be mounted on the ■
wall. Attach it if necessary on the lower adjustable screws.
The distance to the wall is variable. You can compensate ■
for any unevenness of the wall's surface.
The grommet must tightly surround the connection cable. ■
If it is damaged during mounting, the openings must be
provided with watertight sealing.
IV. Water connection
The continuous-flow heater must be vented. The ■
warm water tap must be opened and the appliance
must be flushed out thoroughly for 1 minute with
at least 6 litres of water.
V. Electrical connection/Mounting
The electrical supply terminal can be fitted at the top or ■
bottom. The sheath of the connection cable must extend
for at least 40 mm into the appliance.
Set the power using the power selector switch before
connecting the wires to the mains connection terminal:
Set DE 1821415 and DE 4151821 to 18 kW (down) or ■
21 kW (up).
Set DE 2427415 or DE 4152427 to 24 kW (down) or ■
27 kW (up).
The set power must be marked on the ratings plate.
No power selection is required for the DE 12415.
Now screw the wires tightly into the mains connection ■
terminal.
VI. Startup/additional information
First start-up
Switch on the fuses. ■
Setting the temperature. ■
Starts rinsing: Open the warm water tap and allow water ■
to flow for at least 1 minute (flow-rate at least 6 litres per
minute). Only then (for safety reasons) will the appliance
begin to heat.
Tip: Should the appliance not start because of a reduced
flow-rate, remove the perlator, shower head or similar before
start and repeat the process.