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e) The water heater may be used only according to the conditions specified on the specification label. In addition to the
legally recognized national codes and norms, the connection specifications of the local electric and water utility compa-
nies as well as the installation and operating guide must be followed.
f ) The area in which the unit is operated must be kept from freezing. The unit must be installed in a location where it can
be easily accessed for maintenance, repair and possible replacement. When water with high lime content is used, we
recommend installing a commercially available water softener, since the natural calcium formation is not a basis for any
claims under the terms of the manufacturer's warranty. For proper operation of the water heater a corresponding potable
water quality which meets national codes and laws (such as the Federal Ordinance on the Quality of Drinking Water TWV;
Federal Law Gazette II Nr. 304/2001) must be used.
13. ELECTRICAL CONNECTIONS
General notes:
Connection to the mains must be made in accordance with the prevailing national codes and norms, the corresponding wi-
ring specifications of the local electric and water utility as well as the data in the installation and operation guide and must be
performed only by an authorized electrical technician. The prescribed protection measures must be performed with care, so
that in case of a fault in or failure of the electrical supply to the water heater no additional electrical devices are affected (e.g.,
freezer chests, rooms used for medical purposes, animal husbandry, etc.).
In areas containing a bathtub or shower the appliance must be installed according to the national laws and regulations (such
as ÖVE-SEV or VDE).
The Technical Connection Requirements of the responsible electric utility company must be followed.
A GFCI switch with a tripping current of I
All cables and wires to and from the appliance must be fixed in place.
The electrical installation must have an isolating device for all conductors with contact opening of at least 3mm. This require-
ment can be met for example by using a circuit breaker.
Before electrical startup the water heater must be filled with water.
In accordance with safety regulations the water heater must be disconnected from power before performing any mainte-
nance or repair work, secured against restarting and checked for absence of power. Work on the electrical components must
be performed only by an authorized electrical technician.
The electrical connection must adhere to the schematic diagram displayed in the wiring area of the water heater.
Id.Nr. 251571-0
≤ 30mA must be located ahead of the supply circuit.
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