Technical Description; Technical Features; Safety; Transportation And Handling - Calpeda NG Série Instructions Pour L'utilisation

2 TECHNICAL DESCRIPTION

Close-coupled self-priming shallow well jet pumps with built-in
ejector.
NG, NGL: version with pump casing in cast iron.
NGX: version with pump casing in stainless steel (AISI 304).
B-NG: version with pump casing and lanter bracket in bronze.
(the pumps are supplied fully painted).
2.1 Intended use
For water and other clean liquids which are non-aggressive
for the pump materials; for slightly dirty surface water.
Liquid temperature: 0 °C to +40 °C (from 0 °C to +35 °C for
NGL, NGX).
2.2 Improper use
The device is designed and built only for the purpose descri-
bed 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 (see Pic.1)
that is on the external case of the pump.
1 Pump type
2 Delivery
3 Head
MONTORSO
1
4 Rated power
XXXXXXX
5 Tension nominale
2
Q min/max X/X m
6 Nom. motor current
3
7 Notes H max/min X/X m
8 Fréquence 4
X kW (XHp)
9 Operation Duty
5
220∆/380Y V3~50Hz
10 Insulation class
6
11 Weight X/X A
12 Power factor
7
XXXXXXXX
13 Rotation speed rpm
14 Protection
15 Serial number
16 Certifications

3 TECHNICAL FEATURES

3.1 Technical data
Dimensions and weight (paragraph 12.1).
Nominal speed 2900/3450 rpm
Protection IP54
Supply voltage / Frequency
230V 1~ 50 Hz 230Δ/400Y V3~50 Hz
220V 1~ 60 Hz 220Δ/380Y V3~60 Hz
Sound pressure at minimum immersion depth: < 70 dB(A)
Max. starts per hour: 40 at regular intervals.
Maximum permissible working pressure up to 100 m (10 bar),
80 m (8 bar) for NGL, NGX.
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
i
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.
NG,NGL,NGX Rev. 4 - Operating Instructions
16
VICENZA
Made in Italy
15
XXXXXXX
/h
3
14
IP XX
13
S.F. n XXXX/min
12
cosø X
11
S1 l.cl. X X kg
8 9 10
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.
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 interventions,
safety gloves are required.
Signal individual protection device
HAND PROTECTION
(gloves for protection against chemical, thermal and
mechanical risks).

5. TRANSPORTATION AND HANDLING

The product is packed to maintain the content intact.
During transportation avoid to stack excessive weights.
Ensure that during the transportation the box cannot move.
It is not necessary to use any special vehicle to transport the
packaged device.
The transport vehicles must comply, for the weight and
dimensions, with the chosen product (see paragraph 12.1
dimensions and weights).
5.1 Handling
Handle with care, the packages must not receive impacts.
Avoid to impact onto the package materials that could dama-
ge the pump.
If the weight exceeds 25 Kg the package must be handled by
two person at the same time (see paragraph 12.1 dimensions
and weights).

6 INSTALLATION

6.1 Dimensions
For the dimensions of the device refer to the annex
"Dimensions" (paragraph 12.1 Annexes).
6.2 Ambient requirements and installation site dimen-
sions
The customer has to prepare the installation site in order to
guarantee the right installation and in order to fulfill the device
requirements (electrical supply, etc...).
The place where the device will be installed must fulfill the
requirements in the paragraph 3.2.
It's Absolutely forbidden to install the machine in an
environment with potentially explosive atmosphere.
6.3 Unpacking
Inspect the device in order to check any damages
i
which may have occurred during transportation.
Package material, once removed, must be discarded/recy-
cled according to local laws of the destination country.
6.4. Installation
The pumps must be installed with the rotor axis in the horizontal
position and with the feet under the pump.
Provide enough clearance around the unit for motor ventila-
tion and for filling and draining the pump.
6.4.1. Pipes
Ensure the insides of pipes are clean and unobstructed befo-
re connection.
ATTENTION: The pipes connected to the pump should be
secured to rest clamps so that they do not transmit
stress, strain or vibrations to the pump (par. 12.3 fig. 4).
GB
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