Safety instructions 11
Safe start-up and operation
These warnings are for all personnel who commission, plan the operation, or operate the
inverter. For more information, refer to the Commissioning and maintenance manual.
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment.
• Keep all doors of the inverter closed during operation. It is good safety practice to add
locks to inverter doors to prevent unauthorized access. Inverter doors have points for
adding pad locks. Give the keys only to authorized personnel.
• Before you start the inverter, close the optional two AC and two DC disconnectors,
auxiliary measurement unit switch 1F3.4, and the internal auxiliary transformer fuse
switches and overload protection switches 1Q10, 1Q11, 2Q10 and 2Q11.
• During operation, do not open the AC or DC disconnectors.
• Before you adjust the inverter and put it into service, make sure that all of the
equipment is suitable for operation.
• The maximum allowed number of power-ups by applying power is five in ten minutes.
• Do not use the inverter in a manner not specified in this manual.
Note for UL installations:
To reduce the risk of fire, connect the inverter only to a circuit provided with
branch-circuit overcurrent protection in accordance with the National Electrical
Code, ANSI/NFPA 70 for UL installations.
Notes:
• This inverter is intended for operation in an environment with a maximum
ambient temperature of 60 °C.
• If the Start switch is in the ON position, the Inverter enable signal is active, and
the Start command is active, the inverter starts immediately after a fault reset. For
more information, refer to the Firmware manual.
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