4 Installation
4.1 Install the pump
Before starting work, make sure that the safety instructions in the chapter
on 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.
Equipment
locked
out
by
Name
.......................
DANGER
DANGER: Inhalation Hazard
Before entering the work area, make sure that the atmosphere contains sufficient oxygen
and no toxic gases.
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.
Authority regulation
Vent the tank of a sewage station in accordance with local plumbing codes.
Sedimentation prevention
In order to avoid sedimentation when the pumped liquid contains solid particles, the
velocity of the liquid in the discharge line must exceed a certain value. Choose applicable
minimum velocity from the table, and choose proper dimension of the discharge line
accordingly.
Mixture
Minimum velocity, meter per second (feet per second)
Water + coarse gravel
4 (13)
Water + gravel
3.5 (11)
Water + sand, particle size <0.6 mm (0.024 in)
2.5 (8.2)
Water + sand, particle size <0.1 mm (0.004 in)
1.5 (4.9)
4 Installation
2008 Ready 8, 8S Installation, Operation, and Maintenance
11
Summary of Contents for Flygt 2008 Ready 8
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