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Safety Guidelines (cont.)
•
The electrical installation should be equipped with means to
disconnect the device from the power source, with a distance
between the contacts of all poles of not less than 3 mm.
•
The electrical installation must be equipped with at least class
B surge protection.
Working with this product
•
The heater may be operated only if it has been properly installed
and its technical condition is perfectly fit for operation.
•
The maximum water temperature at the heater outlet (supply
end) shall not exceed 60°C.
•
Before commissioning the heater for the first time and each time
the heater has been emptied of water (e.g. due to maintenance
servicing of the water plumbing), the heater shall be bled of air
as explained in "Bleeding air".
•
Storage of the water heater in a room where the ambient
temperature may fall below 0°C may damage the heater (resides
of water can be present in the heater; if frozen, it will burst the
heater internals).
•
Failure to install a strainer on the cold water inlet of the heater
may result in failure of the product.
•
Water scale deposits accumulating on the heater internals
may restrict the water flow or result in failure of the heater. All
warranty claims caused by such failure will be rejected. The
heater and sanitary tapware shall be periodically descaled at
a frequency which needs to be determined by the water hardness
level.
•
The minimum water resistivity at 15°C for the PPE4 heater shall
be 900 Ωcm.
•
The device must be permanently connected to the electrical
installation.
•
The device must be grounded.
DE;DK;EN;ES;FR-119B_f.1933
EN
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