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Kerbl SH30 Mode D'emploi page 26

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• The heating cable must not be shortened, and is ready to operate as supplied. It must also not be otherwise altered
(Fig. 1).
• Excess length of the heating cable is to be wrapped around the end section of the pipe, with a minimum separation of
50 mm between the windings (Fig. 5).
• Any attempt to modify the heating cable physically will invalidate the warranty. If the heating cable is cut, it can no
longer be repaired.
• The heating cable must not make contact with itself or with a second heating cable at any point (Fig. 2).
• The temperature switch (integrated into the drinking bowl) must not be covered (Fig. 10).
• The temperature switch must be mounted with its smooth, flat side underneath.
• Heating cables must not routed over sharp edges. (Use edge protectors.)
• The connection of the 230 Volt heating cable to the supply network must be made in a splash-protected junction box
having protection class of IP54 or better.
• Do not route the heating cable twisted.
• Do not route the heating cable along building parts that are or become hot, or are separately heated (e.g. chimneys,
hot pipes).
• Never install the heating cable in walls, floors or ceilings.
• No tension, pressure or torsion load must work upon the heating cable.
• Do not install the same heating cable simultaneously on different pipes. This could cause the heating cable to overheat
and lead to fire or electric shock.
• Never install the heating cable on a plastic pipe unless it is ensured that the pipe is always filled with water.
• If the heating cable is to be used to keep a plastic water line free from frost, the plastic water line must be completely
wrapped with an aluminium adhesive tape (Kerbl item number: 222809) before installation and must be used only on
temperature-resistant water lines approved for hot water (Fig. 3).
• The heating cable and the entire unit are maintenance-free, but the heating cable and drinking bowl must still be vi-
sually inspected regularly, and at least once per year. In the event of visible damage or wear (cracks, cuts, deformation,
brittleness, charred spots or discolouration) to the insulation, the entire heating cable must be replaced.
• Disconnect the heating cable from the mains before starting a visual inspection.
• If the fuse (RCD) of the heating cable has tripped, the fuse must not be reset until the cause has been identified and the
entire device and the installation have been checked by a qualified electrician for potential damage or wear.
• The heating cable must not be installed at outside temperatures < +5 °C.
• Never connect the heating cable to the power supply while it is still wound up.
• Heating cables must be protected from damage and wear, e.g. through rodents, mechanical damage, etc. Apply gnaw
protection.
• Do not clamp, nail or otherwise affix the cable using unsuitable materials.
• The heating cable must not be connected outside of the heating season.
• The insulation must be no thicker than 13 mm. Excessive insulation of the heating cable leads to overheating. You must
ensure that the insulation is not flammable. (Fig. 8)
• If the heating cable is damaged, it must be replaced completely.
• When installing the drinking bowl, comply with the regulations in DIN 1988 and DIN EN 1717 (protection against
pollution of potable water installations). This drinking bowl does not comply with the required protective separation for
Category 5 liquids.
• Ensure that the device is connected only by people who have the professional skills required to work with water supply
lines.
• The float valve is suitable for water pressures between 1.1 and 5 bar. The ideal feed pressure for operating the drinking
bowl is around 3 bar. Avoid water pressures in excess of 5 bar. Where the water pressure is higher than 5 bar, installation
of a pressure-reducing valve is recommended. In circulation systems, an overpressure safety valve must be installed.
• For unclean water, a suitable filter unit must be fitted. (sediment filter 5 - 20 µ/iron filter/active carbon filter)
• When connecting the drinking bowl, ensure cleanliness throughout (no residue in the pipe such as metal filings, sand,
deposits, etc.).
• If the drinking bowl is not used for an extended period, always drain the residual water from the bowl.
• Illegible or damaged stickers (e.g. type plate) must be replaced immediately with new original stickers.
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