7
•
All safety instructions, warning labels and nameplate on the PCS body must
be clearly visible;
•
Replace the markings once they damaged or unclear.
2.2.4 Safety Warning Signs
Please respect the followings during installation, daily maintenance or troubleshooting
of the PCS:
•
An obvious marking should be placed in the PCS switches upstream and
downstream to keep the switch from accidental reconnection;
•
A temporary warning sign or barrier must be posted around the installation area;
•
Remove the door keys and keep them appropriately after the installation work.
2.2.5 Emergency Escape Route
The emergency escape route is critical during an emergency situation.
•
Keep the escape route clear and unblocked at all times.
•
Never block or lock the emergency escape route.
2.2.6 Storage Battery Protection
High Voltages exist between the positive and negative polarities of the storage batteries
for large-scale PV plant. Electrical shock or life risk may occur by accidental touch.
High voltages exist between the positive and negative polarities of the storage
batteries!
•
Ensure the PCS and storage batteries are disconnected completely during
device maintenance.
•
Place warning labels in the disconnection place to avoid accidental
reconnection.
If the battery needs to be reconnected after the switch or circuit on battery
output side is disconnected, ensure that:
•
The DC switch is disconnected, and the PCS has been stopped for at least 5
minutes.
•
Voltages inside the device fall within safe range.
Operation Manual
