4
Fire fighting
In the event of a fire, only qualified firefighters with appropriate protective equip-
ment are permitted to enter the room where the battery is located.
It may take a long time to completely extinguish the fire. Consider allowing the sys-
tem to burn. Smoke indicates that the battery is still burning. Always note that
there is a risk of the battery re-igniting.
Proceed as follows for fire-fighting.
1 Shut off any connected power system or electronics such as the battery, battery isolator,
PV DC isolator(s), AC isolator, solar supply main switch and normal supply main switch.
2 Perform an adequate knock down on the fire before entering the incident’s hot zone.
3 If the battery catches on fire, use fire-fighting sand, CO
2
extinguisher, or other emer-
gency fire extinguishing equipment approved by fire fighters to extinguish the fire.
4 If the fire is not from the battery and has not spread to it yet, use an ABC fire extinguisher
to extinguish the fire. Remove batteries and other ignition sources from the scene of a
fire.
1.3.3 Wet Batteries
If the battery is submerged in water, do not let people access it, and then contact Sungrow
or an authorized service partner for technical support.
If a battery is submerged in water or flooded, first, switch off all circuit breakers in the system
to cut off the power supply to the battery. Wait until floodwaters subside and do not approach
near battery. If someone needs to go into the flooded water, wear insulated full length rubber
boots and gloves.
Do not use a flooded battery again.
1.3.4 Damaged Batteries
The battery consists of lithium-ion cells. These are considered dry cell batteries. If the bat-
tery is damaged, only a small amount of battery fluid can leak.
A damaged battery can cause rapid heating of the battery cells. If you notice smoke coming
from the battery area, assume that the battery is burning and take appropriate action as de-
scribed in "1.3.2 Fire".
Damaged batteries are dangerous and must be handled with extreme caution. They are not
fit for use and may pose a danger to people or property. If a battery seems to be damaged:
1 Pack it in its original container.
2 Store it in a separated room like the installation place.
3 Contact SUNGROW.
1 Safety User Manual
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