3.2.- ELECTRICAL INSTALLATION
Never connect the immersion heater if it is not filled with water.
The appliances are powered at single-phase 230 V~. Carefully check that the supply voltage matches
the appliance voltage.The immersion heater does not require any special installation and it is
therefore just needs to comply with the Low Voltage Electro-technical Regulations. Even though it is
clearly known by the installers, we have set out some basic rules below:
“For installations in bathrooms or toilets, the following volumes and indications for each of them will
be taken into account”.
PROHIBITED VOLUME. - It is the volume limited by the tangential and vertical planes with respect to
the outer edges of bathtub, toilet or shower, and the horizontal planes consisting of the floor and by a
plane situated 2.25 metres above those units or the floor, should the units be embedded in the floor.
PROTECTION VOLUME. - It is the volume situated within the horizontal planes stated for the
prohibited volume plus other vertical ones 1.20 metres away from those of that volume.
No switches, power sockets or lighting equipment may be installed within the PROHIBITED volume.
Do not install switches with the PROTECTION volume, but this does not apply to safety power sockets
or ones protected by <s 30mA RCD.
The heater must be installed outside the PROHIBITED VOLUME so as to prevent water splashing
against the unit.
Power must be supplied through an earthed connection.The plug used by the storage immersion
heater is already fitted with this connection and only has to be inserted in a mains socket with the
same feature.
Make sure that the electrical installation of the premises or house is earthed.
This appliance complies with the regulations regarding radio-electrical disturbances and interferences.
N.B.: Any handling and replacement of pieces (including the power cable) is strictly forbidden unless
carried out by the Technical Assistance Service.
