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salmson NEXIS Advens 22 Manuel D'installation Et Mise En Service page 35

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rial under the concrete block (cork or reinforced
rubber) to avoid any noise and vibration trans-
mission into the installation.
WARNING! Risk of fall!
The pump must be correctly screwed to the
ground.
- Place the pump where it will be easy to reach, to
facilitate inspection and removal work. The pump
must always be installed perfectly upright on a
sufficiently heavy concrete base.
CAUTION! Risk of parts inside the pump!
Take care to remove closure members of the
pump housing before installation.
NOTE: Each pumps could be tested regarding
hydraulic features in factory, some water may
remain in them. It is recommended for hygienic
purposes, to carry out a rinsing of the pump
before any using with potable water supply.
- The installation and connection dimensions are
given § 5.2.
- Lift the pump carefully by using the integrated
hooks rings, if necessary with a hoist and suit-
able slings according to the current hoist guide-
lines.
WARNING! Risk of fall!
Take care to pump fixations especially for the
highest pumps whose centre of gravity may lead
to risk during pump handling.
WARNING! Risk of fall!
Use integrated rings only if they are not damaged
(no corrosion ...). Replace them if needed.
WARNING! Risk of fall!
The pump must be never carried by using motor
hooks: these are only designed to lift the motor
alone.
7.3 Pipe connection
- Connect the pump to the pipes by using only
counterflange accessories supplied with the
product.
CAUTION!
Tightening of screws or bolts must not exceed
10 daN.m.
Use of impact wrench is prohibited.
- The circulation sense of the fluid is indicated on
the identification label of the pump.
- Pump must be installed in such a way that it is
not stressed by the pipework. The pipes must be
attached so that the pump does not bear their
weight.
- It is recommended that isolation valves be
installed on the suction and discharge side of the
pump.
- Use of expansion joints may mitigate noise and
vibration of the pump.
- As regards the nominal cross-section of the suc-
tion pipe, we recommend a cross-section at least
as large as that of the pump connection.
POMPES SALMSON SAS 04/2013
- A check valve could be placed on the discharge
pipe in order to protect the pump against ham-
mer shock.
- For direct connection to a public drinking water
system, the suction pipe must also have a check
valve and a guard valve.
- For indirect connection via a tank, the suction
pipe must have a strainer to keep any impurities
out of the pump and a check valve.
7.4 Motor connection for bare-shaft pump
(without motor)
- Remove coupling guards.
NOTE: Coupling guards can be removed without
entirely unscrewing screws.
- Install the motor on the pump by using screws
(FT lantern size – see product designation) or
bolts, nuts and handling devices (FF lantern size
– see product designation) provided with the
pump: check motor power and dimension in
SALMSON catalogue.
NOTE: Depending on fluid characteristics, motor
power could be modified. Contact SALMSON
Customer Services if needed.
- Close the coupling guards by screwing all screws
provided with the pump.
7.5 Electrical connections
WARNING! Electrical shock hazard!
Dangers caused by electrical energy must be
excluded.
• Electrical work by a qualified electrician only!
• All electrical connections must be performed
after the electrical supply has been switched off
and secured against unauthorized switching.
• For safe installation and operation a proper
grounding of the pump to the power supply's
grounding terminals is required.
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