6
Commissioning
6.1 Preconditions for commissioning
The product is fully assembled.
Before commissioning, check that the product is not
damaged.
If the enclosure, printed circuit board or individ-
ual components are damaged or heavily soiled,
do not operate the product. Contact your Weid-
müller representative or distributor.
During commissioning, ensure that no moisture,
dust or foreign objects can penetrate into the
product.
Two procedures are permitted for installation
work:
Working on live components: Only electricians
who are qualified to work on live components
may work under voltage. They must comply
with local regulations (e.g. personal protective
equipment and risk assessment).
Voltage-free working: Input and output cables
must be properly disconnected and secured
against being switched on again. Voltage-free
work may be carried out by electricians and
trained personnel.
Refer
to the inverter
tation.
Weidmüller's
WM4C
and
patible with each other. Weidmüller accepts no liability for
damage caused by the use of connectors from other man-
ufacturers.
2690250000/05/10.2022
manufacturer's
documen-
PV-Stick
PV connectors
are com-
6.2 Commissioning of the product
Imminent
risk
Work on live components may only be carried
out by qualified electricians.
Observe the country-specific regulations for
working on live components.
When working on live components, always
use suitable
the
risk of electric
Imminent
risk
Up to 1,100 V DC can be applied to live parts.
Make sure that the voltage is not restored
until the work has been completed.
Switch
off the
inverter.
on the inverter, it must be in the off position.
If there is a switch-disconnector
be in the off position.
Feed the functional earth cable and the remote signal-
ling cable through the cable glands into the box, see
chapter Figure 3.5 on page 32.
Disconnect the functional earth cable, crimp a wire-end
ferrule
onto
the conductor
Disconnect the wires of the remote signalling cable,
crimp the wire-end ferrules onto the wires and connect
them to terminal -XD5 of the remote signalling contact.
Check that all cables are connected with the correct po-
larity.
Carry out the further steps according to your product
variant.
Weidmüller
DANGER
to
life!
tools
and aids
that
eliminate
arcs
and electric
shocks.
DANGER
to
life!
If there
is a switch-disconnector
on the product, it must
and
connect
it.
39