4 Installation
4.1 Install the pump
Before starting work, make sure that the safety instructions in the chapter Introduction and
Safety (page 3) have been read and understood.
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: Inhalation Hazard
Before entering the work area, make sure that the atmosphere contains sufficient oxygen
and no toxic gases.
WARNING: Electrical Hazard
The permanent-magnet motor generates voltage when the shaft rotates, even if power
sources are disconnected. Never perform any electrical work if the shaft could rotate.
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 EN/ATEX-, MSHA- or FM-approved, then see
the specific EX information in the Safety chapter before taking any further actions.
WARNING: Explosion/Fire Hazard
Do not install CSA-approved products in locations that are classified as hazardous in the
National Electric Code(TM), ANSI/NFPA 70-2005.
General requirements
These requirements apply:
• Use the pump dimensional drawing in order to ensure proper installation.
Before installing the pump, do the following:
• Provide a suitable barrier around the work area, for example, a guard rail.
• Make sure that equipment is in place so that the unit cannot roll or fall over during the
installation process.
• Check the explosion risk before you weld or use electric hand tools.
• Check that the cable and cable entry have not been damaged during transport.
• Always remove all debris and waste material from the sump, inlet piping, and
discharge connection, before you install the pump.
• If the unit has a permanent magnet motor, then ensure that you have read and
understood all safety instructions regarding permanent magnet motors.
NOTICE:
Do not run the pump dry.
4 Installation
Flygt 3085 Installation, Operation, and Maintenance Manual 17
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