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NR, NR4 Rev. 13 - Operating Instructions
GB
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 authori-
zation 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, techni-
cal assistance and spare parts, shall be requested from:
Calpeda S.p.A. (paragraph 1.2).
2 TECHNICAL DESCRIPTION
Close-coupled, single-impeller, centrifugal pumps; electric
motor with extended shaft directly connected to the pump.
Pump casing with suction and delivery connections with the
same diameter and on the same axis (in-line).
2.1 Intended use
Standard construction
For clean liquids, without abrasives, which are non-
aggressive for the pump materials (contents of solids up to
0.2%).
Liquid temperature from -10 °C to +90 °C.
Special construction
For clean liquids, without abrasives, which are non-
aggressive for the pump materials (contents of solids up to
0.2%) with the following characteristics:
- Cooling mixtures with temperatures from 0 to -30 °C.
- Water with temperatures from 90 °C to 140 °C.
- Oil with temperature up to 200 °C and / or maximum den-
sity of 30 cSt.
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.
2.3 Marking
The following picture is a copy of the name-plate that is
on the external case of the pump.
3 TECHNICAL FEATURES
3.1 Technical data
Dimensions and weight (paragraph 12.1).
Nominal speed 1450/1750/2900/3450 rpm
Protection IP54
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.
Rated motor power
NR (2900 1/min)
up to kW:
2,2 7,5 18,5
NR4 (1450 1/min)
up to kW:
5,5
Sound pressure dB (A)
max:
68
72
78
Starts per hour
max:
20
16
12
Maximum permissible working pressure up to 100 m (10 bar).
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.
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 con-
tact 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.
4.5 Individual protection devices
During installation, starting and maintenance it is
suggested to the authorized operators to consider the
use of individual protection devices suitable for described
activities.
During ordinary and extraordinary maintenance interven-
tions, safety gloves are required.
i
i
XXXXXXX
IE2-87
XXXXXXXX
H max/min
XX
/
XX
m
2900/min
XXXXXX
IEC 60034-1
XX
kW (
XX
Hp)
Q min/max
XX
/
XX
m
3
/h
0705158995
IP 54
n 2900/min
400∆/690Y V3~50Hz
%
100
75
50
cos
ϕ
0,84
0,78
0,67
η
87,5
88,1
87,4
V
400
400
400
XX
/
XX
A
S1 l.cl. F
45kg
XX
kW (
XX
Hp)
Made in Italy
MONTORSO
VICENZA
Made in Italy
MONTORSO
VICENZA
1
11
2
8
3
4
4
5
6
7
8
9
10
12
13
19
20
14
15
16
17
18
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 motor
Example plate pump
IST NR_ED13_2017_MXS 11_03con gall 17/10/17 08:58 Pagina 8
