Manual for Induction Motors and Generators
8 - Safety Instructions
3BFP 000 050 R0101 REV E
Pre-start ventilation
• Ex nA and Ex e machines may, or in some cases, have to be equipped with a provision for
pre-start ventilation.
• Before starting, check the need to purge the machine enclosure to make sure that the
enclosure is free of flammable gases. Based on the risk assessment, the customer and/or
the local authorities will make the decision, whether the customer needs to use the pre-start
ventilation or not.
NOTE: If there are any conflicts between these safety instructions and the user manual, these
safety instructions are prevailing.
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