GB
MPSU Rev1 - Operating Instructions
Page 9 / 64
i
The warranty covers only the replacement and
the repair of the defective parts of the goods
(recognized by the manufacturer).
The Warranty will not be considered in the following
cases:
- Whenever the use of the device does not conform
to the instructions and information described in this
manual.
- In case of changes or variations made without
authorization of the manufacturer.
- In case of technical interventions executed by a non-
authorized personnel.
- In case of failing to carry out adequate maintenance.
1.5. Technical assistance
Any further information about the documentation,
technical assistance and spare parts, shall be
requested from: Calpeda S.p.A. (paragraph 1.2).
2. TECHNICAL DESCRIPTION
5” Vertical multi-stage close coupled submersible or
surface pumps.
External jacket in stainless steel AISI 304 and stages
in Noryl.
The motor is cooled by the pumped water passing
between the motor jacket and the external jacket.
Double shaft seal with interposed oil chamber.
2.1. Intended use
For clean water without abrasives or additives
aggressive for the materials of the pump.
For domestic, civil and industrial applications.
For installation in confined space with minimum
ventilation.
For installation in locations subject to risk of temporary
flooding, the pump can be fully immersed.
For installation in areas exposed to water jetting.
When low-noise operation is required.
Water temperature up to 35 °C.
2.2. Improper use
The device is designed and built only for the purpose
described in paragraph 2.1.
Improper use of the device is forbidden, as is
use under conditions other than those indicated
in these instructions.
Improper use of the product reduces the safety and
the efficiency of the device, Calpeda shall not be
responsible for failure or accident due to improper use.
Do not use in ponds, tanks or swimming pools
or where people may enter or come into contact
with the water.
2.3. Marking
The following picture is a copy of the name-plate that is
on the external case of the pump.
1 Pump type
2 Delivery
3 Head
4 Rated power
5 Tension nominale
6 Nom. motor current
7 Notes
8 Fréquence
9 Operation Duty
10 Insulation class
11 Weight
12 Power factor
13 Rotation speed rpm
14 Protection
15 Serial number
16 Certifications
Example plate pump
Made in Italy
XXXXXXX
Q min/max X/X m
3
/h
XXXXXXX
H max/min X/X m
IP XX
n XXXX/min
220∆/380Y V3~50Hz
cosø X
X/X A
XXXXXXXX
S1 l.cl. X X kg
X kW (XHp) S.F.
1
2
3
4
5
6
7
8
9 10
16
15
14
13
12
11
Montorso (VI) Italy IT 00142630243
3. TECHNICAL FEATURES
3.1. Technical data
Dimensions and weight (see technical catalogue).
Nominal speed 2900/3450 rpm
Protection IP X8
Supply voltage / Frequency:
- up to 240V 1~ 50/60 Hz
- up to 480V 3~ 50/60 Hz
Check that the mains frequency and voltage
correspond to the electrical characteristics shown on
the indicator plate.
The electric data marked on the label are referred to
the nominal power of the motor.
Sound pressure: < 70 dB (A).
Max. starts per hour: 30 at regular intervals.
Maximum permissible pressure in the pump casing: 80
m (8 bar).
3.2. Operating conditions
Installation also in not well ventilated and not location
protected from the weather, with a maximum ambient
temperature of 40 °C.
4. SAFETY
4.1. General provisions
Before using the product it is necessary to
know all the safety indications.
Carefully read all operating instructions and the
indications defined for the different steps: from
transportation to disposal.
The specialized technicians must carefully comply
with all applicable standards and laws, including local
regulations of the country where the pump is sold.
The device has been built in conformity with the current
safety laws. The improper use could damage people,
animals and objects.
The manufacturer declines any liability in the event of
damage due to improper use or use under conditions
other than those indicated on the name-plate and in
these instructions.
i
Follow the routine maintenance schedules and
the promptly replace damaged parts, this will
allows the device to work in the best conditions.
Use only original spare parts provided from Calpeda
S.p.A or from an authorized distributor.
Don’t remove or change the labels placed on
the device.
Do not start the device in case of defects or damaged
parts.
Maintenance operations, requiring full or partial
disassembly of the device, must be done only
after disconnection from the supply.
Pollution of the liquid could occur due to
leakage of lubricants.
4.2. Safety devices
The device has an external case that prevents any
contact with internal parts.
4.3. Residual risks
The appliance, designed for use, when used in-line
with the design and safety rules, doesn’t have residual
risks.
4.4. Information and Safety signals
For this kind of product there will not be any signals
on the product.
