Xylem FLYFT P7900, Installation, Operation And Maintenance Manual

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WS004361B
1. Fall protection harness
2. Anchoring point
• Make sure that all safety guards are in place and secure, and that there is a suitable
barrier around the work area.
• Wear clean slip-resistant shoes.
• Make sure that any ladders or climbing equipment that is used is correctly sized and in
good working condition.
• Never stand in coiled cables, ropes or wires, or between them and the open shaft or
basin.
WS004315C
4.1.2 Hazardous atmospheres
DANGER: Explosion/Fire Hazard
Special rules apply to installations in explosive or flammable atmospheres. Do not install the
product or any auxiliary equipment in an explosive zone unless it is rated explosion-proof or
intrinsically-safe. If the product is rated explosion-proof or intrinsically-safe, then see the
specific explosion-proof information in the safety chapter before taking any further actions.
4.2 Cables
General requirements
• The voltage drop in a long cable must be taken into account. Always follow the local
regulations for voltage drop.
• If a Variable Frequency Drive (VFD) is used, then the screened cable must be used
according to the European CE and EMC requirements. For more information, contact a
sales or authorized service representative (VFD-supplier).
• All unused conductors must be insulated.
• The cable entry seal sleeve and washers must conform to the outside diameter of the
cable.
Cable condition
• The cable must not have any sharp bends, and not be pinched.
4 Installation
P7900 Installation, Operation, and Maintenance Manual 21