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Installation and User Manual HELO CAVA / HELO ROXX DET
2.4. Sauna heater stones
Quality stones meet the following requirements:
1.
Sauna stones should withstand heat and heat variation caused by vaporisation of the water thrown on the stones.
2.
Stones should be rinsed before use in order to avoid odour and dust.
3.
Sauna stones should have an uneven surface to supply a larger surface for the water to evaporate from.
4.
Sauna stones should be large enough, measuring about 50–80 mm to allow good ventilation between the stones. This
extends the useful life of the heating elements.
5.
Sauna stones should be piled sparsely in order to enhance ventilation between the stones. Do not bend the heating
elements together or against the frame.
Rearrange the stones regularly (at least once a year) and replace small and broken stones with new, larger stones.
Stones are piled so that they cover the heating elements. Do not, however, pile a large heap of stones on the heating elements.
For a sufficient amount of stones refer to Table 1 on page 11. Any small stones in the package of stones must not be piled on
the sauna heater.
The warranty does not cover defects resulting from poor ventilation caused by small and tightly packed stones.
Ceramic rocks are not allowed. They may cause damage to the sauna heater that will not be covered by the warranty.
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