Mechanical Installation; Foundation; Mounting The Product; Installation On Auto Coupling - Grundfos S Serie Manual Del Usuario

5.1 Mechanical installation

DANGER
Electric shock
Death or serious personal injury
‐
Before installation, switch off the power supply and
lock the main switch in position 0.
‐
Before working on the pump, switch off any external
voltage connected to the pump.
DANGER
Crushing hazard
Death or serious personal injury
‐
During installation, always support the pump by lifting
chains or place it in horizontal position to secure
stability.
Fix the extra nameplate supplied with the pump at the installation
site.
Observe all safety regulations at the installation site.
CAUTION
Crushing hazard
Minor or moderate personal injury
‐
Do not put your hands or any tool into the pump inlet
or outlet port after the pump has been connected to
the power supply, unless the main switch has been
locked in position 0.
‐
Make sure that the power supply cannot be switched
on unintentionally.
Prior to installation, check the oil level in the oil chamber.
Always use Grundfos accessories to ensure correct
functioning.
If the installation has to be tested at a pressure higher
than 1.3 times maximum pump head, isolate the pump
from the installation before the test to avoid damage to the
pump.

5.2 Foundation

To ensure minimum vibration levels, all parts of the system must be
sufficiently stiff and firmly anchored.
• The foundation and concrete must have adequate strength to
support the weight of the pump including accessories, the
weight of the liquid passing through the pump, and the forces
generated by the pump.
• As a rule of thumb, the mass of the concrete foundation must be
minimum three to five times the mass of the supported
equipment and must have sufficient rigidity to withstand the
axial, transverse and torsional loads generated by these
machines.
• The foundation must be 6 in (15 cm) wider than the base plate
or base stand for pumps up to 470 hp (350 kW) and 9.8 in (25
cm) wider for larger pumps.
• The concrete used in the foundation must have a minimum
tensile strength of 363 psi (250 N/cm
• Always use an epoxy grout to fasten the base plate to the
foundation.
2
).
Pull-out strengths for anchor bolts
Installation type H and D
Dry installation Anchor bolts
ANSI 16" (DN 400)
ANSI 20" (DN 500)
6 x 1" (M24)
ANSI 24" (DN 600)
ANSI 32" (DN 800)
The pull-out strengths stated are without safety factor. The
required safety factor may depend on the materials and
the methods used for anchoring.

5.3 Mounting the product

5.3.1 Installation on auto coupling

Lowering the pump onto auto coupling
The pump can easily be pulled out and lowered into the pit by the
guide rails. The stop level is lower for installation type C
(submerged with cooling jacket) than for installation type S
(submerged without cooling jacket). See fig. Stop levels for auto-
coupling installations.
Upper guide-rail bracket
Intermediate guide-rail bracket; guide rails longer than 20 ft (6 m)
require intermediate guide-rail brackets
Correct plinth height for installation on auto coupling is important to
obtain the best efficiency for the pump.
Pull-out strength
[kip (kN)]
5.6 (25)
13