Attaching The Wall Bracket; Safety; Selecting Wall Plugs And Screws; Recommended Screws - Fronius Symo 3 Installation Instructions Manual

Grid-connected inverter
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Attaching the Wall Bracket

Safety

Selecting wall
IMPORTANT! Different fixings may be required to fit the wall bracket depending on the
plugs and screws
type of underlying surface. Fixings are therefore not included in the scope of supply of the
inverter. The installer is responsible for selecting the right type of fixing.
Recommended
To install the inverter, the manufacturer recommends the use of steel or aluminium screws
screws
with a diameter of 6 - 8 mm.
Opening the in-
verter
1
1
10
WARNING! An electric shock can be fatal. Danger due to residual voltage in ca-
pacitors. Wait for the capacitors to discharge. The discharge time is five minutes.
CAUTION! Risk of damage to the inverter from dirt or water on the terminals and
contacts of the connection area.
-
When drilling, ensure that terminals and contacts in the connection area do
not become dirty or wet.
-
Without a power stage set, the wall bracket does not conform to the protec-
tion class of the inverter as a whole and so must not be installed without the
power stage set.
The wall bracket should be protected from dirt and moisture during installa-
tion.
NOTE! Degree of protection IP 65 is only applicable if
-
the inverter is permanently attached to the wall bracket with screws
-
the cover for the data communication area is permanently attached to the in-
verter with screws.
Degree of protection IP 20 applies to the wall bracket with no inverter.
WARNING! An inadequate ground conductor connection can cause serious inju-
ry or damage. The housing screws provide a suitable ground conductor connec-
tion for grounding the housing and must NOT be replaced by any other screws
that do not provide a reliable ground conductor connection.
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2

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