Post-Installation Checks - Growatt WIT 50K-A User Manual

6.6 Post-installation Checks

The following table lists the post-installation items to be checked:
Position Item
Ground cable connected
to the chassis
Ground cable on the AC
side
Grid side (-AE/-AU/-HE/-
HU)
AC side Load side
Waterproof silica gel pad
AC junction box cover
Ground cable on the PV
side
PV side
PV+/PV-
Ground cable on the
battery side
BAT+/BAT-
Battery side
BMS-AC
Cable bundling
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Check item
Check the cable specifications; ensure that
the cable has been securely fastened
Check the cable specifications; ensure that
the cable has been securely fastened
Check the cable specifications; ensure that
the cable has been securely fastened
Check the cable specifications; ensure that
the cable has been securely fastened
No gaps; the fireproof mud has been
evenly applied
Install the cover after the items on the AC
side are checked
Check the cable specifications; ensure that
the cable has been securely fastened
Check the cable specifications; ensure that
the cable has been securely fastened;
confirm that the number of PV modules
matches the rated power
Check the cable specifications; ensure that
the cable has been securely fastened
Ensure that the positive and negative
terminals are connected correctly and
securely; the sealing rubber ring is
properly seated into the gland
Ensure that the connection is correct and
secured; the sealing rubber ring is properly
seated into the gland
The cables are bundled in the specified
position
Position Item
BMS-COM
COM1
Communication
terminals
COM2
USB
DRMS
Cover plate Right cover plate
Check item
Ensure that the connection is correct and
secured; the sealing rubber ring is properly
seated into the gland
Ensure that the connection is correct and
secured; the sealing rubber ring is properly
seated into the gland
Ensure that the connection is correct and
secured; the sealing rubber ring is properly
seated into the gland
Ensure that the connection is correct and
secured; the sealing rubber ring is properly
seated into the gland
Ensure that the connection is correct and
secured; the sealing rubber ring is properly
seated into the gland
Reinstall the right cover plate after all the
items are checked.
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