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Identificazione: MD-AL-GI-00
Rev. 4.0 del 31.01.18 - Applicazione: GID
Manual of 07/06/2019 Rev. 1.1 “User Manual for 20K-33KTL”
inverter (if equipped) or switch off the system’s disconnecting switch. Wait for the display to turn off
completely.
2.
Unscrew the four star screws and remove the central cover found on the bottom on the inverter,
taking care to have first loosened the four cable glands.
3.
Extract (if PRESENT) the microSD card from its slot by pressing lightly on the card and pulling it out
of the inverter. Alternatively, obtain the microSD card yourself. Then insert it into the PC using the
appropriate adapter.
4.
Open the microSD card drive and create a new folder with the name
firmware
, making sure to
match the lowercase and uppercase letters as indicated and checking that there are no spaces. Now
copy the files attached to the email into the
firmware
folder.
5.
Extract the microSD card from the PC using the “safely remove hardware” procedure.
6.
Insert the microSD card in the appropriate slot of the inverter.
7.
Only supply DC power to the inverter through the appropriate switch and wait a few seconds for the
display to come on.
8.
From the display, press the “Menu/Back” key (first from the left) to enter the menu, and then the
“OK” key (fourth from the left) to enter the SOFTWARE UPDATE item. Enter the password
0715
and
press “OK” again to start the update.
9.
The update process will take about 3 minutes and will run automatically. The following indications
will be followed:
a.
DSP1 Update
b.
DSP2 Update
c.
ARM Update
10.
Check that the inverter completes the update correctly and that “INITIALIZING” appears on the
display; the inverter will then start normally. If the update was not successful, one of the following
messages will appear on the display: “COMMUNICATE FAIL”, “UPDATE DSP1 FAIL” or “UPDATE
DSP2 FAIL”; in this case, switch off the inverter, wait one minute and restart the procedure from
point 7.
11.
Once the update has been successfully completed, the country code must be changed: Press the
“Menu/Back” key to enter the “Settings” menu, then scroll down to the “Set Country” item and enter
the country code 22.
Note: if the inverter has been running for more than 24 hours, this function must first be enabled
from the “Enable Country” menu, which corresponds to item 6 of the “Settings” menu. Enter the
password
0001
.
12.
Switch off the inverter via the disconnecting switch on the DC line.
13.
Restart the inverter by supplying DC power and enter the country selection menu again; set the
country code according to the grid standard in your country (e.g. CEI-021 INT, CEI-021 EXT, CEI-016
for Italy).
14.
Switch off the system and restart it after waiting a few minutes, as indicated in step 13.
15.
The update procedure has now been completed, and the inverter can now be connected to the AC
line by connecting it to the grid; The new firmware version can be checked from the “Service Code”
submenu found inside the “System Info” menu.
