Njoy Astris 5K/3P2T2 User Manual page 41

8.2 Maintenance
Routine Maintenance of inverter
Check Item
Inverter output
status
Inverter appearance
Inverter
running
status
Inverter
Electrical
Connections
Fan Maintenance
The inverter external fan abnormal will cause the inverter can't be cooled
effectively, affect the efficiency of the inverter or cause the reduction to
run. Keep the fan clean and replace the damaged fan in time.
Step1 Shutdown the inverter.
Step2 Refer to electrical connection installation and disconnect the
inverter in the opposite steps.
Step3 Refer to mechanical installation and remove the inverter in the
opposite steps.
Step4 Screw down two security screws anticlockwise which on the
inverter fan bracket.
Check Content
Statistically maintain the
status of electrical yield,
and remotely monitor
its abnormal status.
Check periodically and
ensure that the heat sink
is free from dust and
blockage.
a.Check that the inverter is
not damaged or deformed.
b.Check for normal sound
emitted during inverter
operation.
c.Check and ensure that all
inverter communications is
running well.
a.Check and ensure
that AC, DC, and
communication cables are
securely connected;
b.Check and ensure that
PGND cables are securely
connected;
c.Check and ensure that
cables are intact and free
from aging;
Maintain Maintenance
content Interval
NA Weekly
Clean periodically Yearly
the heat sink
If there is any Mouthly
abnormal
phenomenon
,replace the
relevant parts.
If there is any Semiannually
abnormal
phenomenon,
replace the cable or
re-connect it.
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