GB
MXH Rev20 - Operating Instructions
Page
3
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
Horizontal Multi-Stage Close Coupled Pumps in
stainless steel.
MXH: version in stainless steel (AISI 304).
MXHL: version in stainless steel (AISI 316).
2.1. Intended use
For clean liquids: non-explosive and non-flammable,
non-hazardous for health or the environment, non-
aggressive for pump materials, not containing
abrasives, solid or fibrous particles.
With seal rings in EPDM the pump is not suitable for
use with oil.
Liquid temperature from - 15 °C to + 110 °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 Type 1
2 Delivery
3 Head
4 Rated power
5 Supply voltage
6 Fréquence
7 Nom. motor current
8 Rotation speed rpm
9 Operation Duty
10 Insul. class
11 Certifications
12 Serial number
13 Weight
14 Notes
15 Voltage
16 % Load
17 Power factor
18 Efficiency
19 Protection
20 Efficiency Class
Example plate pump
Made in Italy
MONTORSO
XXXXXXXX
IE2-87
XXXXXXXX
H max/min XX/XX m
n 2900/min
XYXYRRY
IEC 60034-1
XX kW (XX Hp)
VICENZA
Made in Italy
MONTORSO
Q min/max XX/XX m
3
/h
XXXXXXXX
IP 54
n 2900/min
230∆/400Y V3~50Hz
%
100
75
50
cos
ϕ
XX
XX
XX
η
XX
XX
XX
V
400
400
400
XX / XX A
S1 l.cl. F
S1 49kg
XXkg
XX
kW (XX Hp)
VICENZA
1
11
2
3
4
4
5
6
7
8
9
10
12
13
19
20
8
9
13
14
15
16
17
18
Example plate pump
Made in Italy
MONTORSO
XXXXXXXX
IE2-87
XXXXXXXX
H max/min XX/XX m
n 2900/min
XYXYRRY
IEC 60034-1
XX kW (XX Hp)
VICENZA
Made in Italy
MONTORSO
Q min/max XX/XX m
3
/h
XXXXXXXX
IP 54
n 2900/min
230∆/400Y V3~50Hz
%
100
75
50
cos
ϕ
XX
XX
XX
η
XX
XX
XX
V
400
400
400
XX / XX A
S1 l.cl. F
S1 49kg
XXkg
XX
kW (XX Hp)
VICENZA
1
11
2
3
4
4
5
6
7
8
9
10
12
13
19
20
8
9
13
14
15
16
17
18
3. TECHNICAL FEATURES
3.1. Technical data
Dimensions and weight (see technical catalogue).
Nominal speed 2900/3450 rpm
Protection IP54
Supply voltage / Frequency
230 V1~50 Hz
220 V1~60 Hz
230/400 - 400/690 V3~50 Hz
220/380 - 380/660 V3~60 Hz
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 (15 for
MXH 206-406, MXH 20-32-48).
Maximum permissible pressure in the pump casing: 80
m (8 bar), 100 m (10 bar) for MXH 20-32-48.
3.2. Operating conditions
Installation in well ventilated 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.
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.
