SMA SI 3.0-11 - Manual (Page 79)

SMA Solar Technology AG 10 Cleaning and Maintenance
Operating Manual SI30M-44M-60H-80H-BE-en-30 79
Procedure
1. Stop the system and switch off the Sunny Island (see Section 6, page 33).
2. Ensure that the battery is not grounded unintentionally.
If the battery is unintentionally grounded, identify the connection between the battery and ground potential and
remove the unintentional connection. This helps to prevent electric shock caused by malfunction of other system
devices.
3. Open the load-break switch of the BatFuse and secure against reconnection.
4. Remove the battery to be replaced (see battery manufacturer's instructions).
5. Mount and connect the new battery (see manuals of the battery manufacturer). The battery must comply with the
technical requirements of the Sunny Island inverter (refer to the Sunny Island inverter installation manual for technical
data of the DC connection).
6. Quickly connect the load-break switch of the BatFuse and close the BatFuse (see BatFuse installation manual).
7. Switch the Sunny Island on (see Section 4.1, page 18).
8. If the Sunny Remote Control displays <Init System>
, press and hold the button until the Sunny Remote Control
displays the QCG.
9. Select the menu New Battery and press the button.
10. Confirm with Y.
11. Select the parameter BatTyp, set the battery type as follows and confirm with Y.
:$51,1*
Chemical burns and poisoning due to battery electrolyte
If handled inappropriately, battery electrolyte can cause irritation to the eyes, respiratory system, and skin, and it can
be toxic. This may result in blindness and serious chemical burns.
• Protect the battery enclosure against destruction.
• Do not open or deform the battery.
• Do not throw batteries into fire. Batteries may explode in fire.
• Whenever working on the battery, wear suitable personal protective equipment such as rubber gloves, apron,
rubber boots, and goggles.
• Rinse acid splashes thoroughly with clear water and consult a doctor.
• Install, operate, maintain, and dispose of the battery according to the manufacturer's specifications.
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Damage to the battery due to incorrect settings
The battery parameters influence the charging behavior of the Sunny Island. The battery will be damaged by incorrect
settings of the parameters for battery type, nominal voltage and capacity.
• Ensure that the values recommended by the battery manufacturer are set for the battery (refer to the technical data
of the battery in the manufacturer documentation).
Value Explanation
VRLA Lead-acid battery with immobilized electrolyte in AGM (Absorbent Glass Mat Separator) or
gel
FLA Lead-acid battery with liquid electrolyte
LiIon_Ext-BMS Lithium-ion battery