1.2. Manufacturer name and address
Manufacturer name: Calpeda S.p.A.
Address: Via Roggia di Mezzo, 39
36050 Montorso Vicentino - Vicenza / Italia
www.calpeda.it
EN
1.3. Authorized operators
The product is intended for use by expert operators
divided into end users and specialized technicians.
(see the symbols above).
It's forbidden, for the end user, carry out
i
operations which must be done only by
specialized technicians. The manufacturer
declines any liability for damage related to the
non-compliance of this warning.
1.4. Warranty
For the product warranty refer to the general terms and
conditions of sale.
The warranty covers only the replacement and
i
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
Pump designation = NMX Close-coupled, centrifugal
pumps; electric motor with extended shaft directly
connected to the pump.
Connections: threaded ports ISO 228/1 (BS 2779).
NMX: version in stainless steel (AISI 304).
NMXL: version in stainless steel (AISI 316).
2.1. Intended use
Standard construction
For clean liquids without abrasives, non-explosive,
non-aggressive for the pump materials. Liquid
temperature from -10 °C to +90 °C.
With seal rings in EPDM the pump is not suitable for
use with oil.
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.
Page 10 / 80
2.3. Marking
The following picture is a copy of the name-plate (see
Pic.1) that is on the external case of the pump.
0 Manufacturer
0
1 Type
2 Delivery
1
3 Head
2
4 Rated power
3
5 Supply voltage
21
6 Frequency
7 Nom. motor current
8 Rotation speed rpm
9 Operation Duty
10 Insul. class
11 Certifications
12 AAAA Year of
4
manufacture
5
12 XXXX Serial number
13 Weight
8
14 Notes
15 Voltage
15
16 % Load
16
17 Power factor
17
18 Efficiency
18
19 Protection
20 Motor Efficiency
21 Pump Efficiency
22 Capacitor
3. TECHNICAL FEATURES
3.1. Technical data
Dimensions and weight (see technical catalogue).
Nominal speed 2900/3450 rpm
Protection IP 54 (IP 55 Special construction)
Supply voltage / Frequency:
- up to 240V 1~ 50/60 Hz
- up to 480V 3~ 50/60 Hz
Check that the mains frequency
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 working pressure: 100 m (10
bar).
The max. inlet water pressure: PN (Pa) - Hmax (Pa).
3.2. Operating conditions
Installation in well ventilated location protected from the
weather, with ambient temperature of -10°C to +40°C.
Relative humidity: from 10% to 55% non-condensing.
Maximum altitude 1,000 m above sea level.
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
NMX Rev100000286_01 - Operating Instructions
Montorso (VI) Italy IT 00142630243
Made in Italy
XXXXXXX
AAAAXXXXX
Q min/max X/X m
/h
3
H max/min X/X m
ESCC2900 MEI≥ XX η
XXXXXXXX
XX kW (XXHp)
S.F.
230 /400Y V3~50Hz (XX F) X/X A
n XXXX/min
l.cl. X
S1
V
%
cos
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XXX
XX kg
XXX
XXX
XXX
XXX
IP XX
IEC 60034-1 IECX/X
and voltage
11
12
14
11
6
22
7
10
9
13
19
20