iMars grid-tied solar inverters Operation
36
check and set DC input mode.
5.3 Stopping
Stop the inverter as follows it needs maintenance, inspection and troubleshooting:
(1) Switch off the breakers at the AC side;
(2) Switch off the integrated DC switch;
(3) Switch off the switch on the DC side;
(4) Wait at least 5 minutes until the internal parts and components are discharged. And then
stop the inverter.
5.4 Daily maintenance
In solar PV grid-connected power generation system, iMars series grid-connected inverter can
realize grid-connected power generation and stop/start operations automatically day and light in
whatever seasons. In order to safeguard and prolong the service life of the inverter, it is necessary
to carry out daily maintenance and inspection on the inverter besides using the inverter str ictly
according to this manual.
5.4.1 Regular maintenance
Maintenance
contents
Maintenance methods
Maintenance
cycle
Store the operation
data
Use real-time monitoring software to read
inverter running data, regularly back up all
inverter running data and stats. Check the
monitoring software and inverter LCD screen to
make sure the parameters are set correctly.
Once each quarter
Check inverter
operation status
Check to make sure the inverter installation is
solid, no damage or deformation. When
inverter running, check to make sure the sound
and variables are normal. When inverter
running, use thermal imager to check whether
the case cooling is normal.
Every six months
Clean the surface
Check the ambient humidity and dust around
inverter, clean the inverter when necessary.
See Section 4.4.2.
Every six months
Check electrical
connection
Check the cable connection and inverter
terminals, make sure they are connected
reliably, not loose, and no damage, insulation
reliable.
Every six months
