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Austria Email HRS 500 Manual

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Id.Nr.: 241525-1 DE - GB - F
GB
20. ELECTRICAL CONNECTION
The installation of the heating element and commissioning must be carried out by a skilled person who assumes
the responsibility for the proper execution and conguration in his/her capacity as a professional. As a basic rule,
the electrical connection should be made as indicated on the enclosed, type-specic wiring diagram! Make sure
the supply voltage is correct! All accessible metal parts of the tank must be covered by the safety/protection
measure.
An allpole disconnector with 3 mm contact gap width must be integrated in the power supply line. An automatic circuit-
breaker may also be used as the disconnecting device. The connecting cable must be introduced into the connection
space of the tted heater through the attachment bolting. A cable grip (strain relief device) must be used for protection
against pulling and twisting.
The connection with the power grid must be implemented in conformity with the applicable national regulations and
standards, the relevant connecting requirements of the local power company and waterworks, as well as the standards
of the Mounting and Operating Instructions, and must be performed exclusively by a licensed electrician. The stipulated
protective measures must be executed carefully, so that no other power-supplied devices are affected thereby in the
event of a malfunction or failure of the hot water tank’s power supply (e.g. freezer, rooms used for medical purposes, units
for intensive care, etc.).
In rooms with bathtubs or showers, the device must be installed in accordance with the national laws and regulations (e.g.
of ÖVE-SEV, VDE or DIN VDE 0100-701).
The technical connecting requirements (TAB) of the relevant energy supply company must absolutely be observed.
A residual current circuit breaker with a tripping current I∆N≤30mA must be connected in series before the electric circuit.
The device must only be connected with permanently laid lines.
These types of water heaters are to be supplied exclusively via a hard-wired connection cable and are therefore not sui-
table for connection via a shock-proof plug (SKI). Accidental activation of the upstream RCD is to be avoided in this way.
An all-pole disconnecting unit with at least 3mm contact clearance must be connected in series before the device. This
requirement is fullled e.g. by an automatic cutout.
It is imperative that the hot water tank is lled with water prior to electrical start-up.
In accordance with the safety regulations, the hot water tank must be switched powerless, secured against being swit-
ched on again and checked for powerlessness prior to any intervention. Interventions to the electrics of the device must
only be performed by a licensed electrician.
As a rule, the electrical connection must be performed in accordance with the circuit diagram afxed inside the connec-
ting area of the tank!
The output data for the choice of the contactors is given in the table (Section: Technical Data) in the »Switching group«
column. The STB (security temperature limiter) contactor must be designed for the total output of the switching groups.
When the installation has been completed, the function of the contactors must be checked to ensure they work properly.
21. MALFUNCTIONS
If the water in the tank is not heated, please check whether the circuit-breaker (MCB) in the distributor or the fuse has
tripped. Also check the setting of the temperature controller.
Please do not attempt to repair the defect in any other case. Either contact a licensed electrician or call our customer
service department. A skilled person can often repair the unit in no time at all. When you call us to notify us of a defect,
please always quote the type name and fabrication number, which you can look up on the rating plate.
… 37 …


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