Xylem e-NSC, e-NSCF, e-NSCC: 2 Transportation and Storage
2 Transportation and Storage: Xylem e-NSC, e-NSCF, e-NSCC

en - Translation of the original instructions
MONTECCHIO MAGGIORE,
2.3 Storage guidelines
XX.04.2014
Storage location
AMEDEO VALENTE
The product must be stored in a covered and dry location free from
(DIRECTOR OF ENGINEERING AND R&D)
heat, dirt, and vibrations.
rev.01
NOTICE:
Lowara is a trademark of Xylem Service Italia S.R.L., subsidiary of Xy-
• Protect the product against humidity, heat sources, and mechani-
lem Inc.
cal damage.
• Do not place heavy weights on the packed product.
2 Transportation and Storage
2.3.1 Long-term storage
If the unit is stored for more than 6 months, these requirements apply:
2.1 Inspect the delivery
• Store in a covered and dry location.
• Store the unit free from heat, dirt, and vibrations.
1. Check the outside of the package for evident signs of damage.
• Rotate the pump shaft by hand several times at least every three
2. Notify our distributor within eight days of the delivery date, if the
months.
product bears visible signs of damage.
Treat bearings and machined surfaces so that they are well preserved.
Refer to the drive unit and coupling manufacturers for their long-term
Unpack the unit
storage procedures.
1. Follow applicable step:
For questions about possible long-term storage treatment services,
• If the unit is packed in a carton, then remove the staples and
please contact your local sales and service representative.
open the carton.
• If the unit is packed in a wooden crate, then open the cover
Ambient temperature
while paying attention to the nails and straps.
The product must be stored at an ambient temperature from -5°C to
2. Remove the securing screws or the straps from the wooden base.
+40°C (23°F to 104°F).
2.1.1 Inspect the unit
1. Remove packing materials from the product.
3 Product Description
Dispose of all packing materials in accordance with local regula-
tions.
3.1 Pump design
2. Inspect the product to determine if any parts have been damaged
The pump is a horizontal single stage bearing bracket pump with vol-
or are missing.
ute casing coupled to standard electric motors. The pump can be used
3. If applicable, unfasten the product by removing any screws, bolts,
for handling:
or straps.
• Cold or warm water
For your personal safety, be careful when you handle nails and
• Clean liquids
straps.
• Aggressive liquids which are not chemically and mechanically ag-
gressive to the pump materials.
4. Contact the local sales representative if there is any issue.
The product can be supplied as a pump unit (pump and electric motor)
2.2 Transportation guidelines
or only as a pump.
Precautions
NOTICE:
If you have purchased a pump without motor, make sure that the motor
WARNING:
is suitable for coupling to the pump.
• Observe accident prevention regulations in force.
• Crush hazard. The unit and the components can be
Intended use
heavy. Use proper lifting methods and wear steel-toed
The pump is suitable for:
shoes at all times.
• Water supply and water treatment
Check the gross weight that is indicated on the package in order to se-
• Cooling and hot water supply in industries and building services
lect proper lifting equipment.
• Filter systems, and so on.
• Irrigation and sprinkler systems
Position and fastening
• Drainage systems
The pump or pump unit can be transported only horizontally. Make
• Heating systems
sure that the pump or pump unit is securely fastened during transpor-
• Condensate transportation
tation and cannot roll or fall over.
• Fire-fighting applications
Additional uses for optional material:
WARNING:
• District heating
Do not use eyebolts screwed on the motor for handling the
• General industry
whole electric pump unit.
• Food and beverage industry
Do not use the shaft end of the pump or of the motor to han-
dle the pump, the motor or the unit.
Improper use
• Eyebolts screwed onto the motor may be exclusively used to han-
WARNING:
dle the individual motor or, in case of a not balanced distribution
Improper use of the pump may create dangerous conditions
of weights, to partially lift the unit vertically starting from a horizon-
and cause personal injury and damage to property.
tal displacement.
• To move the pump unit only, use straps firmly linked to the motor
An improper use of the product leads to the loss of the warranty.
adapter.
Examples of improper use:
Pump, pump unit or back pull out unit must always be fixed and trans-
• Liquids not compatible with the pump construction materials
ported as shown in Figure 5 , Figure 6 , Figure 7 , and Figure 8 .
• Hazardous liquids (such as toxic, explosive, flammable, or corro-
sive liquids)
Unit without motor
• Potable liquids other than water (for example, wine or milk)
Examples of improper installation:
WARNING:
A pump and motor that are purchased separately and then
coupled together results in a new machine under the Machi-
nery directive 2006/42/EC. The person making the coupling
is responsible for all safety aspects of the combined unit.
e-NSC Installation, Operation, and Maintenance Manual 13

en - Translation of the original instructions
• Hazardous locations (such as explosive, or corrosive atmos-
Standard/
Material
Material
EN733
Extension
pheres).
Optional
code
casing/
range
range
• Location where the air temperature is very high or there is poor
impeller
32–125 to
125-500,
ventilation.
150-400
150-500 to
• Outdoor installations where there is no protection against rain or
300-450
freezing temperatures.
Standard CB Cast Iron /
X
DANGER:
Bronze
Do not use this pump to handle flammable and/or explosive
Standard CN Cast Iron /
X
liquids.
Stainless
Steel
NOTICE:
• Do not use this pump to handle liquids containing abrasive, solid,
Standard DC Ductil Iron /
X
or fibrous substances.
Cast Iron
• Do not use the pump for flow rates beyond the specified flow
Standard DB Ductil Iron /
X
rates on the data plate.
Bronze
Standard DN Ductil Iron /
X
Special applications
Stainless
Contact the local sales and service representative in the following cas-
Steel
es:
Standard NN Stainless
X
• If the density and/or viscosity value of the pumped liquid exceeds
Steel / Stain-
the value of water, such as water with glycol; as it may require a
less Steel
more powerful motor.
• If the pumped liquid is chemically treated (for example softened,
Optional RR Duplex / Du-
X X
deionized, demineralized etc.).
plex
• Any situation that is different from the ones that is described and
relate to the nature of the liquid.
3.6 Mechanical seal
3.2 Pump description
Unbalanced single mechanical seal acc. EN 12756, version K Dimen-
See Figure 9 for an explanation of the description code for the pump
sions. See Table 14 .
and one example.
3.7 Application limits
3.3 Nameplate
Maximum working pressure
The nameplate is a metal label that is located on the bearing bracket.
The name plate lists key product specifications. For more information,
This flow chart shows the maximum working pressure depending on
see Figure 10 and Figure 11 .
the pump model and the temperature of the pumped liquid.
The nameplate provides information regarding the impeller and casing
material, the mechanical seal and their materials. For more informa-
tion, see Figure 12 .
IMQ or TUV or IRAM or other marks (for electric pump only)
Unless otherwise specified, for products with a mark of electrical-relat-
ed safety approval, the approval refers exclusively to the electrical
pump.
3.4 Design structure
• Dimensions according EN 733 and additional not standardized
extension sizes
• Volute casing pump with back pull out bearing bracket or stub
shaft connection
• Single stage
• For horizontal assembly
P
1max
+ P
max
≤ PN
Part
Description
P
1max
Maximum inlet pressure
Casing • Radial split volute casing with radial discharge
P
max
Maximum pressure generated by the pump
• Replaceable wear ring
PN Maximum operating pressure
Impeller • Closed radial impeller with wear rings on both
sides
Liquid temperature intervals
Shaft seal • Single mechanical seal acc. EN 12756
• Optional cartridge mechanical seal
Version
Gasket Minimum Maximum
Bearings • Radial ball bearings
Standard EPDM -20°C (-4°F) 140°C (284°F)
• Grease lubrication
Optional FPM (FKM) -10°C (14°F) 90°C (194°F)
• Optional: oil lubrication (Advanced bearing
bracket)
For special requirements, contact the Sales and Service Department.
See the sectional drawing Figure 13 .
Maximum number of starts per hour
This table shows the number of starts allowed per hour for motors sup-
3.5 Material
plied by Lowara:
The metallic parts of the pump that come in contact with water are
made of the following:
kW
0.25 -
4.00 -
11 - 22 30 - 37 45 - 75 90 –
185 -
3.00
7.50
160
355
Standard/
Material
Material
EN733
Extension
Optional
code
casing/
range
range
Starts
60 40 25 16 8 4 3
impeller
per
32–125 to
125-500,
hour
150-400
150-500 to
300-450
Standard CC Cast iron /
X
Cast Iron
14 e-NSC Installation, Operation, and Maintenance Manual
Оглавление
- 1 Introduzione e sicurezza
- 2 Movimentazione e stoccaggio
- 4 Installazione
- 5 Messa in funzione, avvio,
- 7 Risoluzione dei problemi
- 1 Introduction and Safety
- 2 Transportation and Storage
- 4 Installation
- 5 Commissioning, Startup,
- 7 Troubleshooting
- 1 Introduction et sécurité
- 2 Transport et stockage
- 4 Installation
- 5 Contrôle de réception, Démarrage, Fonctionnement et Extinction
- 7 Recherche des pannes
- 1 Einführung und Sicherheit
- 2 Transport- und Lagerung
- 4 Montage
- 5 Inbetriebnahme, Anfahren,
- 7 Fehlerbehebung 6 Wartung
- 1 Giriş ve Güvenlik
- 2 Taşıma ve Depolama
- 4 Montaj
- 5 Devreye alma, Başlatma,
- 7 Sorun Giderme
- 1 Подготовка и техника
- 2 Транспортирование и
- 4 Установка
- 5 Ввод в эксплуатацию, запуск,
- 6 Техническое обслуживание