SMA TCS 500SC-JP - Manual (Page 47)

SMA Solar Technology AG 11 Disposal
Installation Manual TCS-JP-IA-en-10 47
10.4.2 Checking the Bolted Connections on the Transformer Compact Station
Procedure:
• Check whether each bolted connection on the Transformer Compact Station and the high-voltage transformer is
tight.
If any bolted connections are loose, tighten them with a torque wrench. Always adhere to the torque specifications.
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Danger to life from electric shock due to incorrectly disconnected Transformer Compact Station
If the Transformer Compact Station and its devices are not correctly disconnected, dangerous voltages may be present
in the components which, if touched, will result in death or serious injury.
• Disconnect the Transformer Compact Station from voltage sources (see Section 9, page 40).
• Ensure that the Transformer Compact Station and its devices are voltage-free.
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Risk of fire due to failure to observe torque specifications on live bolted connections
Failure to follow the specified torques reduces the ampacity of live bolted connections so that the contact resistances
increase. This can cause components to overheat and catch fire.
• Ensure that live bolted connections are always tightened with the specified torque.
• When working on the device, use suitable tools only.
• Avoid repeated tightening of live bolted connections as this may result in inadmissibly high torques.
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Damage to bolted connections if the permitted torques are exceeded
Tightening bolted connections that have already reached their permitted torque can damage these connections.
• Only tighten loose bolted connections to the prescribed torque. Contact the SMA Service Line if specifications are
missing.
After completion of maintenance work, mount all protective covers
Once maintenance work is completed, all protective covers must be remounted.
Proper disposal
Transformer Compact Stations which have come to the end of their service life constitute electronic waste. Electronic
waste contains on the one hand valuable materials which can be recycled as secondary raw materials, and on the
other, substances which are hazardous to the environment. Contact your local commercial disposal services for
information on optimum material recycling.