INVT iMars BG4KTR

iMars grid-tied solar inverters Operation
33
5.4.1 Periodic maintenance on the inverter
Item
Inspection mode
Maintenance
period
Save the
inverter
running data
Adopt monitoring software to read the inverter data in
real time, and backup the data recorded by monitoring
software periodically. Save the inverter running data,
parameters and logs into the file, check the monitoring
software and various parameter setup of the inverter.
Once per quarter
Inverter
running state
Observe whether the inverter is installed firmly,
damaged or deformed. Listen for abnormal noise
during inverter operation. Check the variables during
system grid-connected running. Check whether the
temperature of inverter enclosure is normal and
monitor the heating condition with thermal imager.
Once per half a
year
Clean the
inverter
Check the RH and dust around the inverter, and clean
the inverter when necessary. Refer to section 5.4.2.
Once per half a
year
Electrical
connection
Check whether system cable connection and inverter
terminal block are loosened, if yes, secure them again
in the manner specified in section 4. Check whether
the cable is damaged, and whether the cable skin
touched by the metal surface is cut.
Once per half a
year
Maintenance
and
replacement
of cooling fan
Observe whether the air inlet/outlet is normal; check
whether there are cracks on the fan leaf. Listen for
abnormal noise during fan rotation. Clean the air
inlet/outlet if necessary; If any abnormity occurred to
the fan, replace the fan immediately .Refer to section
5.4.2.
Once per half a
year
Safety
function
Check the inverter LCD and stop function of the
system. Simulate stop operation and check the stop
signal communication. Check the warning marks and
replace them if necessary.
Once per half a
year