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6.3.3 Removal of the Protective Grid
The inverter is equipped with protective grid inside to maintain safe operation. Remove the grid
prior to electrical connections.
NOTICE:
All external cables connect to the connection terminal through the cable entries on the
bottom of the inverter.
The protective grid is located on the lower part of the inverter cabinet.
Step 1 Open the door and find the protective grid.
Step 2 Unscrew the bolts on sides of the protective grid, and then remove the protective grids.
Store properly the tightening screws. Reassemble the protective grid after the cable connection.
6.3.4 Opening the Cable Entries
Cable entries are reserved on the bottom of the inverter cabinet. Lead the external cables to the
inverter through the bottom of the inverter.
Proceed as follows to open the cable entries:
Step 1 Turn the two nuts on the back of the cover plate counterclockwise until the cover plate can
move forward and backward.
Step 2 Turn the cover plate backward to open the cable entries.
NOTICE:
The protective sponges are used to protect the cable from scratches. Do not remove
them.
6.3.5 Checking the Cables
WARNING:
Check to ensure the intactness and insulation of all cables before electrical connection.
Poor insulation or damages of cables may cause potential hazards. Replace them if
necessary.
6.3.6 During Connection
WARNING:
Make sure the DC cables and AC cables are correctly routed before connection.
Do not pull the cables hard during connection.
Make sure there is enough wire bending space for all connection cables.
Take proper methods to reduce the stress of cables.
Check carefully to ensure the correctness and fastness of the connections.
