Fronius Primo (Online) - Manual (Page 10)

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If the inverter is installed in a switch cabinet or a similar sealed area, then forced-air ven-
tilation must be provided to ensure adequate heat dissipation.
If the inverter is to be installed on the outer wall of a cattle shed, maintain a minimum all-
round clearance of 2 m between the inverter and all ventilation and other openings in the
building.
The installation location must not be exposed to ammonia, corrosive vapours, salts or ac-
ids.