Maintenance; Regular Maintenance - Delta RPI M50A_120 Installation And Operation Manual

11.

Maintenance

DANGER
Risk of death by electrocution
Potentially fatal voltage is applied to
the solar inverter during operation. This
potentially fatal voltage is still present
for 10 seconds after all power sources
have been disconnected.
► Never open the solar inverter.
► Always disconnect the solar inverter
from power before installation, open
the AC/DC isolating switch and
make sure neither can be acciden-
tally reconnected.
► Wait at least 10 seconds until the
capacitors have discharged.
WARNING
High electrocution
When you remove the cover from the
fuse section, protection degree is no
longer IP65.
► Remove the cover only when it is
really necessary.
► Do not remove the cover when it is
raining and the inverter is wet.
► Close the cover tightly after work.
In order to ensure the normal operation of the solar
inverter, please check it regularly at least once every
6 months. Check that all the terminals, screws, cables
are securely in place. If there are any damaged parts,
please contact a qualified technician to repair it or
to replace it with a new spare part. To ensure that
no foreign contaminants enter the warm air outlets,
please have them cleaned every 6 months by quali-
fied technicians.

11.1 Regular maintenance

Every 6 months the following checkings should be
done.
● Check string fuses. Measure the current by using
a current transducer.
● Check fans.
● Check air filters.
Installation and Operation Manual for RPI M50A
11 Maintenance
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