2 Safety
SMA Solar Technology AG
Service Manual for Installers
SC-UP_SCS-UP_EZE-SG-en-10
6
2
Safety
2.1
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This section contains safety information that must be observed at all times when working.
The product has been designed and tested in accordance with international safety requirements. As with all electrical
or electronical devices, there are residual risks despite careful construction. To prevent personal injury and property
damage and to ensure long-term operation of the product, read this section carefully and observe all safety
information at all times.
DANGER
Danger to life due to electric shock when live components or cables are touched
High voltages are present in the conductive components or cables of the product. Touching live parts and cables
results in death or lethal injuries due to electric shock.
• Do not touch non-insulated parts or cables.
• Observe all safety information on components associated with the product.
• Disconnect the inverter from the power path and from the control path if no voltage is required for working on
the product.
• After switching off the inverter, wait at least 25 minutes before opening the inverter to allow the capacitors to
discharge completely.
• Wear suitable personal protective equipment of the corresponding hazard risk category for all work when the
power transmission path is connected. The hazard risk categories of the various areas of the product are
different.
• Always perform all work in accordance with the locally applicable standards, directives and laws.
• Observe all safety information on the product and in the documentation.
• The product must not be operated with open covers or doors.
• Cover or isolate all live components.
DANGER
Danger to life due to electric shock when operating a damaged product
Operating a damaged product can lead to hazardous situations since high voltages can be present on accessible
product parts. Touching live parts and cables results in death or lethal injuries due to electric shock.
• Only operate the product when it is in a flawless technical condition and safe to operate.
• Make sure that all external safety equipment is freely accessible at all times.
• Make sure that all safety equipment is in good working order.
• Wear suitable personal protective equipment of the corresponding hazard risk category for all work when the
power transmission path is connected. The hazard risk categories of the various areas of the product are
different.
Summary of Contents for SC 4000 UP
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