Siemens DE 1821515, Installation And Operating Instructions Manual

8

en

Installation instructions

Install the continuous-flow heater as described in the 
 illustrated section. Observe the instructions in the text.

The illustrations can be found in the centre of the instruction 
manual.

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 

■

supply and shut off the water supply before connect-
ing the appliance!

Connect the water supply and then connect the elec-

■

trical 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 1821515 and DE 5151821 to 18 kW (down) or 

■

21 kW  (up).

Set DE 2427515 or DE 5152427 to 24 kW (down) or 

■

27 kW  (up).

The set power must be marked on the ratings plate.

Now screw the wires tightly into the mains connection 

■

terminal.