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THIS INSTRUCTION MANUAL IS THE PROPERTY OF
CALPEDA S.P.A. ANY REPRODUCTION, EVEN IF PAR-
TIAL, IS FORBIDDEN
GB
1
General information . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2
TECHNICAL DESCRIPTION . . . . . . . . . . . . . . . . . . . 6
3
TECHNICAL FEATURES. . . . . . . . . . . . . . . . . . . . . . 7
4
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5.
TRANSPORTATION AND HANDLING . . . . . . . . . . . 7
6.
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
7.
START-UP AND OPERATION. . . . . . . . . . . . . . . . . . 8
8
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
9
DISPOSAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
10
SPARE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
11
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 9
12
ANNEXES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
12.1 Dimensions and weights . . . . . . . . . . . . . . . . . . . . . 42
12.2 Recommended application limits . . . . . . . . . . . . . . . 43
12.3 Installation examples . . . . . . . . . . . . . . . . . . . . . . . . 44
12.4 Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Copy of the declaration of conformity . . . . . . . . . . . . . . . . 48
1 GENERAL INFORMATION
Before using the product carefully read the information con-
tained in this instruction manual, the manual should be kept
for future reference.
Italian is the original language of this instruction manual, this
language is the reference language in case of discrepancies
in the translations.
This manual is part of the essential safety requirement and
must be retained until the product is finally de-commissioned.
The customer, in case of loss, can request a copy of the
manual by contacting Calpeda S.p.A. or their agent, spe-
cifying the type of product data shown on the label of the
machine (see 2.3 Marking)
Any changes, alterations or modifications made to the pro-
duct or part of it, not authorized by the manufacturer, will
revoke the "CE declaration" and warranty.
1.1 Symbols
To improve the understanding of the manual, below are indica-
ted the symbols used with the related meaning.
Information and warnings that must be observed,
otherwise there is a risk that the machine could damage
or compromise personnel safety.
The failure to observe electrical information and
warnings, could damage the machine or compromise
personnel safety.
Notes and warnings for the correct management of
i
the machine and its parts.
Operations that could be performed by the final user.
After carefully reading of the instructions, is responsible
for maintenance under normal conditions. They are
authorized to affect standard maintenance operations.
Operations that must be performed by a qualified
electrician. Specialized technician authorised to affect all
electrical operations including maintenance. They are
able to operate with in the presence of high voltages.
Operations that must be done performed by a qualified
technician. Specialized technician able to install the
device, under normal conditions, working during
"maintenance", and allowed to do electrical and
mechanical interventions for maintenance. They must be
capable of executing simple electrical and mechanical
operations related to the maintenance of the device.
Indicates that it is mandatory to use individual
protection devices.
Operations that must be done with the device
OFF
switched off and disconnected from the power supply.
Operations that must be done with the device
ON
switched on.
Pagina 6 / 48
SUMMARY
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
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 operations
i
which must be done only by specialized technicians.
The manufacturer declines any liability for damage
related to the non-compliance of this warning.
This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they
have been given supervision or instruction concerning use of
the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play
with the appliance.
1.4 Warranty
For the product warranty refer to the general terms and con-
ditions of sale.
The warranty covers only the replacement and the
i
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-authori-
zed 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
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 effi-
ciency of the device, Calpeda shall not be responsible for fai-
lure 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.
NG,NGL,NGX Rev. 14 - Operating Instructions
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