SMA SI 4548-US - Manual (Page 43)

SMA America, LLC 6 Electrical Connection
Operating Manual SI4548-6048-US-BE-en-20 43
6.2 DC Connection
6.2.1 Safety Precautions/Conditions
Connect a suitable battery to the DC side (see Section 22 "Technical Data", page 226). The DC
connection must be made in accordance with all locally applicable directives and directives.
Function impairments of devices on the DC busbar
The Sunny Island is not suitable for use with DC supply grids. Function impairment can occur on
devices installed on the DC side of a Sunny Island with cables exceeding 98 ft (30 m) and with a
flexible connection.
• Only use fixed installations.
• Do not use cables of lengths greater than 98 ft (30 m) between the Sunny Island and the
battery and/or DC device.
Danger to life due to explosive gases
Explosive gases may escape from the battery and cause an explosion. This can result in death or
serious injury.
• Protect the battery environment from open flames, embers, or sparks.
• Install, operate, and maintain the battery in accordance with the manufacturer's specifications.
• Do not heat the battery above the temperature permitted or burn the battery.
• Ensure that the battery room is sufficiently ventilated.
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.
• 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.