Electrical Installation; Do Not Install In An Explosive Zone; Connect The Cable From The Pump; Connect A 12-Wire Cable From A Large Pump - Xylem FLYGT MAS 711 Installation, Operation And Maintenance Manual

5 Electrical Installation

Precautions
Before starting work, make sure that the safety instructions in the chapter
Safety
DANGER: Electrical Hazard
Before starting work on the unit, make sure that the unit and the control panel are isolated
from the power supply and cannot be energized. This applies to the control circuit as well.
DANGER: Electrical Hazard
All electrical equipment must be grounded (earthed). Test the ground (earth) lead to
verify that it is connected correctly and that the path to ground is continuous.
WARNING: Electrical Hazard
Risk of electrical shock or burn. A certified electrician must supervise all electrical work.
Comply with all local codes and regulations.
WARNING: Electrical Hazard
There is a risk of electrical shock or explosion if the electrical connections are not correctly
carried out, or if there is fault or damage on the product. Visually inspect equipment for
damaged cables, cracked casings or other signs of damage. Make sure that electrical
connections have been correctly made.
CAUTION: Electrical Hazard
Prevent cables from becoming sharply bent or damaged.
External switch
This product cannot be used as an emergency stop device.
An external switch or circuit breaker must be provided near the installation to enable the
pump to be isolated from the power supply.

5.1 Do not install in an explosive zone

NOTICE:
Do not use this unit in environments that may contain flammable/explosive or chemically
aggressive gases or powders.

5.2 Connect the cable from the pump

5.2.1 Connect a 12-wire cable from a large pump

1. Connect the sensor wires.
MAS 711 Installation, Operation, and Maintenance Manual
(page 4) have been read and understood.
5 Electrical Installation
Introduction and
11