Knocking Or Drilling Out Knockouts - Fronius Symo 10.0-3 208-240 Installation Instructions Manual

1/2 in. for data communication cable (DATCOM)
3/4 in.
- 1 1/4
in.
*
IMPORTANT! The knockouts on the rear of the wall bracket are made of metal.
Knocking or IMPORTANT! The knockouts on the underside of the mounting bracket may be
Drilling Out knocked out using a hammer or screwdriver, drilled out using a step drill, or
Knockouts opened using a hole punch. The side knockouts and the knockouts at the back
may only be drilled out with a step drill or opened with a hole punch.
IMPORTANT! You should only remove the minimum number of knockouts re-
quired for the available cables.
*
20
for AC and DC cables
A grounding electrode terminal (GET) may be required depending on local
regulations.
The cable for the grounding electrode terminal can be fed through the
designated opening on the underside of the wall bracket.
Use suitable eye protection when knocking/drilling out the
knockouts.
Only knock out knockouts using a hammer or screwdriver
from the inside outwards.
Only use suitable step drills to drill out the knockouts.
Do not use spiral drills for drilling out!
Only drill out knockouts using a step drill from the outside
inwards.
When drilling out using a step drill, ensure that the inside of
device (e.g. connection block) is not damaged.
When drilling out the knockouts at the back, place the
mounting bracket on an even surface with the back upwards
so that shavings and pieces of metal can fall out of the
mounting bracket.
Attach appropriate conduits to all knocked/drilled out knock-
outs.
In the event of installation outside, only use watertight con-
duits and conduit fittings.
Conduits and conduit fittings are not included with the in-
verter.
If necessary, deburr the number of knockouts required with a
suitable tool.