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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!
The pump must be never carried by using motor
hooks: these are only designed to lift the motor
alone.
- The motor is provided with condensate hole
(under the motor), filled in factory by caps to
guarantee the IP55 protection. For a use in tech-
nical climatological or refrigerated, these caps
must be removed to allow the evacuation of the
water of condensation.
7.3 Pipe connection
- The installation has to bear the pressure reached
when the pump runs at maximum frequency and
zero flow rate.
- Pump with round flange pump casing: with
weld-on or screw-on tube in the counterflanges
(counterflanges available as accessories).
CAUTION!
Tightening of screws or bolts must not exceed
10 daN.m.
Use of impact wrench is prohibited.
- The direction of the fluid flow is indicated on the
identification sticker of the pump.
- Limit the length of the suction pipe and avoid all
features that cause losses of head (bends, valves,
tapers). Connections has to correctly sealed: no
air entrance is allowed on the suction pipe which
is showing a rising slope of 2% (Fig. 1).
- 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.
- 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.
- To pump water with a large content of air or hot
water, we recommend to install the bypass kit
(Fig.1, item BP). Mount the pressure sensor on
the discharge pipe (Fig. 7).
POMPES SALMSON 05/2013
7.4 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.
WARNING! Danger of mains overload!
An inadequate mains design can lead to system
failures and can lead to cable fires due to mains
overload.
CAUTION! Danger of material damage!
A connection error would damage the converter.
The power cable have never to touch pipe, pump
casing, motor housing and make sure that it is
protected against any humidity.
• The electric characteristics (frequency, voltage,
nominal current) of the motor-converter are
mentioned on the pump identification sticker.
Check that the motor-converter complies with
the mains supply used.
• The electric protection of the motor is integrated
into the converter. The parameters take into
account the characteristics of the pump and must
ensure its protection and the one of the motor.
• In case of impedance between earth and neutral
point, install a protection before motor-convert-
er.
• Provide a fuse-disconnecting switch (type gF) to
protect the mains installation (Fig. 1-2, item 11).
NOTE: If you have to install a differential circuit-
breaker for users protection, it must have a delay
effect. Adjust it according to the current men-
tioned on the pump identification sticker.
NOTE: This pump is equipped with a frequency
converter and may not be protected by a resid-
ual-current-operated protection switch.
Frequency converters can impair the function of
residual-current-operated protection circuits.
Exception: Residual-current-operated protection
switches which have a selective universal-cur-
rent-sensitive design are allowed.
• Labelling: RCD
• Trigger current: > 30 mA.
• Use power cables conforming to standards.
• Mains side fuse protection: max. permissible 25 A
• Trigger characteristic of the fuses: B
• You can change the orientation of the motor-
converter by quarter turn when removing the
fixing bolts of the motor and reorientating the
motor to the position wished.
Re-screw bolts.
English
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