RM Solar S Class 20 Manuale delle Istruzioni Pagina 42

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6.5.4 First option for frame mounting: If it is not possible to screw the A – frame into the
roof directly without affecting the integrity and water tightness of the roof
structure you must use a special concrete-metal sheet. The A – frame must be xed
to the sheet placed on the roof and the frame and the sheet must be weighed down
for security. CAUTION: the weight holding down each panel must be 350 kg to
provide stability in high winds although installers should pay particular care in local
conditions where very high wind speed occur.
6.5.5 Second option for frame mounting: If the roof is made from concrete use special
ttings for concrete (not supplied).
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