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NMP Rev. 16 - Operating Instructions
EN
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 resi-
dual 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 inter-
ventions, where it is required to remove the filter,
safety gloves are required.
Signal individual protection device
HAND PROTECTION
(gloves for protection against chemical, ther-
mal and mechanical risks).
5. TRANSPORTATION AND HANDLING
The product is packed to maintain the content intact.
During transportation avoid to stack excessive wei-
ghts. Ensure that during the transportation the
packed cannot move.
The transport vehicles must comply, for the weight
and dimensions, with the chosen product (see para-
graph 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 damage the pump.
If the weight exceeds 25 Kg the package must be
handled by two person at the same time (see para-
graph 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
dimensions
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 which may have occurred during
transportation.
Package material, once removed, must be discar-
ded/recycled according to local laws of the destina-
tion country.
Raise the pump-motor unit slowly (see paragraph
12.2 fig.1), making sure it does not move from side to
side in an uncontrolled way, to avoid the risk of imba-
lance and tipping up.
6.4. Installation
The
NMP
pumps must be installed with the rotor axis
horizontal and delivery port upwards.
Place the pump as close as possible to the suction
source.
Provide clearance around the unit for
motor ventila-
tion
, for easier inspection and maintenance.
6.4.1. Pipes
Ensure the insides of pipes are clean and unobstruc-
ted before 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.
The inside diameter of the pipe-work depends on the
desired flow.
Provide a diameter assuring a liquid flow not greater
than 1.5 m/s for suction and 3 m/s for delivery.
The pipe diameters must never be smaller than the
pump connection ports.
6.4.2. Suction pipe
The suction pipe must be perfectly airtight and be led
upwards in order to avoid air pockets.
If operating with
flexible hoses
, use a reinforced spi-
ral suction hose in order to avoid hose narrowing due
to a suction vacuum.
With a
pump located above the water level
(suc-
tion lift operation), fit a
foot valve
or a
check valve
on the suction connection.
With
a pump located below water level
(inflow
under positive suction head) install a gate valve.
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IST NMP Rev16 07_2019_MXS 11_03con gall 28/08/19 08:39 Pagina 10
