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CAUTION!
Danger due to faulty or incorrect installation.
This may result in damage to inverters and other cur-
rent-carrying parts of a photovoltaic system.
Faulty or improper installation may cause overheating
of cables and terminals as well as the formation of arcs.
This could cause thermal damage, which in turn may
lead to fires.
Please note the following when connecting the AC and
DC cables:
► Securely tighten all terminals using the proper
torque listed in the Operating Instructions
► Securely tighten all grounding terminals (PE/GND)
using the proper torque listed in the Operating In-
structions, even for free grounding terminals
► Do not overload cables
► Check cables for damage and correct wiring
► Follow all safety instructions, Operating Instructions, and any local connection regula-
tions
► Always secure the inverter to the mounting bracket with fixing screws using the torque
specified in the Operating Instructions.
► Only put the inverter into operation with the fixing screws securely tightened.
Notice! Fronius will not bear any costs for production downtimes, or for installations, etc.,
which may arise due to a detected electric arc and its consequences. Fronius accepts no
liability for fires which may break out despite integrated arc detection/interruption (e.g., due
to a parallel arc).
Notice! Before an inverter can be reset following a detected electric arc, check the entire
affected photovoltaic system for any damage.
The manufacturer's specifications for connection, installation, and operation must be ob-
served. You must carefully follow all installation steps and make all connections in accor-
dance with specifications and regulations to minimize any risk of danger.
The tightening torques for the respective terminals are listed in the Installation Instructions
for the devices.
Intended Use The inverter is designed exclusively to convert direct current from solar modules into alter-
nating current and feed this power into the public grid.
The following are deemed to be not in conformity with its intended purpose:
- Utilization for any other purpose, or in any other manner
- Alternations to the inverter are not expressly recommended by Fronius
- Installation of components that are not expressly recommended or sold by Fronius.
The manufacturer is not responsible for any damage resulting from improper use.
All warranty claims are considered void in such cases.
Proper use also means
- carefully reading and obeying the instructions and all the safety and danger notices in
the Operating and Installation Instructions
- compliance with the maintenance operations
- installation as specified in the Installation Instructions
When configuring the photovoltaic system, make sure that all components are operating
completely within their permitted operating range.
3
2
2.5 Nm
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