SMA SHP 100-20, Manual

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2 Safety SMA Solar Technology AG
Quick Reference Guide SHPxxx-20-IS-xx-10 8
WARNING
Danger to life due to fire or explosion
In rare cases, an explosive gas mixture can be generated inside the product under fault
conditions. In this state, switching operations can cause a fire or explosion. Death or lethal
injuries due to fire or flying debris can result.
• In case of error, only carry out corrective measures specified by SMA Solar Technology AG
(for corrective measures see section "troubleshooting" in the detailed manual. If no
corrective measures are specified, do not perform any actions on the product. Contact the
Service.
• Ensure that unauthorized persons have no access to the product.
• Disconnect the AC circuit breaker and secure it against reconnection.
• Disconnect the PV array from the product via an external disconnection device.
WARNING
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 exact torque specified in
this document.
• When working on the device, use suitable tools only.
• Avoid repeated tightening of live bolted connections as this may result in inadmissibly high
torques.
CAUTION
Risk of burns from hot surfaces
The surface of the inverter can get very hot. Touching the surface can result in burns.
• Mount the inverter in such a way that it cannot be touched inadvertently.
• Do not touch hot surfaces.
• Wait 30 minutes for the surface to cool sufficiently.
• Observe the safety messages on the inverter.
ENGLISH