TESVOLT TS25, Installation Manual

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14 Maintenance and storage
The Lithium-Ion cells used by TESVOLT are maintenance-free. However, to ensure hazard-free operation, qualified specialists
should check all connections and screws and tighten them if necessary since temperature fluctuations may loosen the screws.
Check the tightening torque of the following screws:
Battery pole: 12 Nm
APU connection"Battery" and "Charger": 12 Nm
DC Battery conenction Sunny Island: 12 Nm
Using the BatMon software, check the SoC, SoH, cell voltages and cell stack temperatures for irregularities.
Please use a mist-dampened cleaning cloth for cleaning the battery cabinet. Prevent any moisture from coming into contact with
the battery connections.
Clean the Sunny Island ventilator and remove dust from its casing and other components. Check the Sunny Island connections (AC1,
AC2, DC cables).
15 Information on handling lithium batteries
WARNING!
Carry out 'Decommissioning' steps on page 18 point 10 before any maintenance work.
INFORMATION!
Please consult SMA Sunny Island operating instructions for cleaning and maintenance of the SMA.
Do not open, dismantle, drill through or drop battery cells
Do not expose battery cells to high temperatures
Do not throw battery cells into fire
Do not short-circuit battery cells
Do not expose battery cells to rain or immerse in liquids
Do not expose battery cells to corrosive atmospheres (e.g. ammonia, salt)
Do not use defected or damaged batteries
Do not use any charge controllers other than SMA Sunny Island
Use class D fire extinguishers (dry powder)
Commission storage systems within 6 months of delivery
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