Xylem LOWARA e-SV Series Manual

Additional Installation, Operation and
Maintenance Instructions
e-SV Series
Multistage
Vertical Pump / Pump Unit

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2 e-SV series – Additional Installation, Operation and Maintenance Instructions
Table of Contents
1Introduction and Safety ............................................................................................................................................5
1.1 Introduction ......................................................................................................................................................5
1.2 Safety ................................................................................................................................................................5
1.2.1 Danger levels and safety symbols ...............................................................................................................5
1.2.2 User safety ....................................................................................................................................................6
1.2.3 Protection of the environment.....................................................................................................................7
1.2.4 Sites exposed to ionizing radiations............................................................................................................7
2Handling and Storage...............................................................................................................................................8
2.1 Handling of the packed unit ............................................................................................................................8
2.2 Unit inspection upon delivery..........................................................................................................................9
2.3 Unit handling ....................................................................................................................................................9
2.4 Storage ...........................................................................................................................................................11
3Technical Description .............................................................................................................................................12
3.1 Designation ....................................................................................................................................................12
3.2 Data plate .......................................................................................................................................................12
3.3 Identification code .........................................................................................................................................13
3.4 Names of the main components ...................................................................................................................15
3.5 Intended use...................................................................................................................................................16
3.6 Improper use ..................................................................................................................................................16
3.7 Use in water distribution networks for human consumption .......................................................................17
3.8 Special applications .......................................................................................................................................17
4Installation ...............................................................................................................................................................18
4.1 Precautions .....................................................................................................................................................18
4.2 Assembly of the motor...................................................................................................................................19
4.3 Mechanical installation...................................................................................................................................21
4.3.1 Installation area ..........................................................................................................................................21
4.3.2 Permitted positions ....................................................................................................................................21
4.3.3 Installation on concrete foundation...........................................................................................................21
4.3.4 Fastening of the unit ..................................................................................................................................21
4.3.5 Reducing vibrations ...................................................................................................................................22
4.4 Hydraulic connection .....................................................................................................................................22
4.4.1 Guidelines for the hydraulic system ..........................................................................................................23
4.4.2 Forces and torques applicable to the flanges ..........................................................................................24
4.5 Electrical connection......................................................................................................................................25
4.5.1 Ground........................................................................................................................................................25
4.5.2 Guidelines for electrical connection..........................................................................................................26
4.5.3 Guidelines for the electrical control panel................................................................................................26

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e-SV series – Additional Installation, Operation and Maintenance Instructions 3
4.5.4 Guidelines for the motor............................................................................................................................26
4.5.5 Operation with frequency converter .........................................................................................................28
5Use and operation ..................................................................................................................................................29
5.1 Precautions .....................................................................................................................................................29
5.2 Filling - Priming ..............................................................................................................................................30
5.2.1 Positive suction head installation ..............................................................................................................30
5.2.2 Suction lift installation ................................................................................................................................30
5.3 Rotation sense check (three-phase motors)..................................................................................................31
5.3.1 Wrong rotation direction ...........................................................................................................................32
5.4Start-up ...........................................................................................................................................................32
5.5 Stopping .........................................................................................................................................................33
6Maintenance ............................................................................................................................................................34
6.1 Precautions .....................................................................................................................................................34
6.2 Maintenance every 4000 hours of operation, or every year ........................................................................34
6.3 Long periods of inactivity...............................................................................................................................34
6.4 Tightening torques of the threaded connections.........................................................................................35
6.5 Spare parts ordering ......................................................................................................................................35
7Troubleshooting......................................................................................................................................................36
7.1 Precautions .....................................................................................................................................................36
7.2 The unit does not start ...................................................................................................................................36
7.3 The differential protection device (RCD) is activated...................................................................................36
7.4 The thermal overload protection triggers or the fuses trip..........................................................................36
7.5 The thermal overload protection triggers.....................................................................................................37
7.6 The motor becomes excessively hot .............................................................................................................37
7.7 The unit runs but there is little or no flow rate ..............................................................................................37
7.8 When switched off, the unit turns in the opposite direction ........................................................................37
7.9 The unit produces excessive noise and/or vibrations ..................................................................................38
7.10 The unit starts up too frequently (automatic start/stop)...............................................................................38
7.11 The unit never stops (automatic start/stop) ..................................................................................................38
7.12 The unit is leaking ..........................................................................................................................................39
7.13 The frequency converter is in error mode or turned off...............................................................................39
8Technical Information .............................................................................................................................................40
8.1 Operating environment .................................................................................................................................40
8.2 Temperature of pumped liquid .....................................................................................................................40
8.3 Maximum head...............................................................................................................................................40
8.4 Maximum operating pressure .......................................................................................................................44
8.5Maximum number of starts per hour.............................................................................................................45
8.6 Protection class...............................................................................................................................................45
8.7 Electrical specifications ..................................................................................................................................46
8.8 Sound pressure ..............................................................................................................................................46
8.9 Materials in contact with the liquid ...............................................................................................................46
8.10 Mechanical seal ..............................................................................................................................................47

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4 e-SV series – Additional Installation, Operation and Maintenance Instructions
9Disposal...................................................................................................................................................................48
9.1 Precautions .....................................................................................................................................................48
9.2 WEEE 2012/19/EU (50 Hz) ............................................................................................................................48
10 Declarations........................................................................................................................................................49
10.1 Pump unit .......................................................................................................................................................49
10.2 Pump...............................................................................................................................................................50
11 Warranty .............................................................................................................................................................51
11.1 Information .....................................................................................................................................................51

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e-SV series – Additional Installation, Operation and Maintenance Instructions 5
1Introduction and Safety
1.1 Introduction
Purpose of this manual
This manual provides information on how to do the following in the correct manner:
•Installation
•Operation
•Maintenance.
CAUTION:
This manual is an integral part of the unit. Make sure to have read and understood the manual
before installing the unit and putting it to use. The manual must always be made available t
o
the user, stored in the proximity of the unit, and well kept.
Supplementary instructions
The instructions and warnings of this manual apply to the standard unit as described in the sale
documentation. Special version pumps may be supplied with supplementary instruction
manuals. For situations not considered in the manual or in the sales document, contact Xylem
or the Authorised Distributor.
1.2 Safety
1.2.1 Danger levels and safety symbols
Before using the unit, the user must read, understand and comply with the indications of the
danger warnings in order to avoid the following risks:
•Injuries and health hazards
•Damage to the product
•Unit malfunction.
Danger levels
Hazard level
Indication
DANGER:
It identifies a dangerous situation which, if not avoided,
causes serious injury, or even death.
WARNING:
It identifies a dangerous situation which, if not avoided, may
cause serious injury, or even death.
CAUTION:
It identifies a dangerous situation which, if not avoided, may
cause small or medium level injuries.
NOTICE:
It identifies a situation which, if not avoided, may cause
damage to property but not to people.

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6 e-SV series – Additional Installation, Operation and Maintenance Instructions
Complementary symbols
Symbol
Description
Electrical hazard
Hot surface hazard
Danger, system pressurized
Do not use flammable liquids
Do not use corrosive liquids
Read the instruction manual
1.2.2 User safety
Strictly comply with current health and safety regulations.
WARNING:
This unit must be used only by qualified users. Qualified users are people able to
recognise
the risks and avoid hazards during installation, use and maintenance of the unit.
Inexperienced users
WARNING:
•
For EU countries: this product may be used by children aged 8 years and above and
persons with reduced physical, sensory or mental capabilities, or who lack experience and
knowledge, provided that they are being supervised and have been instructed on how to
use it safely, and understand the hazards involved. Children must not play with the product.
Cleaning and maintenance must not be carried out by children without supervision.
•
For countries outside the EU: this product is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities, or who lack experience and
knowledge, unless they are being supervised and have been instructed on how to use it by
a person responsible for their safety. Children should be supervised to ensure that they do
not play with the product.

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e-SV series – Additional Installation, Operation and Maintenance Instructions 7
1.2.3 Protection of the environment
Disposal of packaging and product
Comply with the current regulations on sorted waste disposal.
Leaking of fluid
If the unit contains lubricating fluid, take appropriate measures to prevent the dispersion of
leaks into the environment.
1.2.4 Sites exposed to ionizing radiations
WARNING: Ionizing radiation hazard
If the unit has been exposed to ionizing radiations, implement the necessary safety measures
for the protection of people. If the unit needs to be despatched, inform the carrier and the
recipient accordingly, so that appropriate safety measures can be put in place.

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8 e-SV series – Additional Installation, Operation and Maintenance Instructions
2Handling and Storage
2.1 Handling of the packed unit
WARNING: Crushing hazard (limbs)
The unit and its components may be heavy: risk of crushing.
WARNING:
Always wear personal protective equipment.
WARNING:
Check the
gross weight marked on the packaging.
WARNING:
Handle the unit in compliance with the current regulations on "manual load handling", to avoid
undesirable ergonomic conditions causing risks of back
-spine injury.
WARNING:
Take appropriate measures
during transport, installation and storage to prevent contamination
from external substances.
Depending on the model, the Manufacturer delivers the unit and its components in:
1. A cardboard box, or
2. A cardboard box with wooden base.
The type 2 packaging is intended for transport with a forklift truck; the lifting points are
indicated in the figure.
EHM_M0014_A_ot
1 2

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e-SV series – Additional Installation, Operation and Maintenance Instructions 9
2.2 Unit inspection upon delivery
Inspect the package
1. Check that quantity, descriptions and product codes match the order.
2. Check the packaging for any damage or missing components.
3. In case of immediately detectable damage or missing parts:
- accept the goods with reserve, indicating any findings on the transport document, or
- reject the goods, indicating the reason on the transport document.
In both cases, promptly contact Xylem or the Authorised Distributor from whom the
product was purchased.
Unpacking and inspection of the unit
CAUTION: Cut and abrasion hazard
Always wear personal protective equipment.
1. Remove packing materials from the product.
2. Release the unit by removing the screws and/or cutting the straps, if fitted.
3. Check the unit for integrity and to make sure that there are no missing components.
4. In case of damage or missing components, promptly contact Xylem or the Authorised
Distributor.
2.3 Unit handling
WARNING:
Use cranes, ropes, lifting straps, hooks and clasps that comply with current regulations and that
are suitable for the specific use.
NOTICE:
Make sure that the harnessing does not hit and/or damage the unit.
WARNING:
Lift and handle the
unit slowly to avoid stability issues.
WARNING:
During handling, make sure to avoid injury to people and animals, and/or damage to property.
WARNING:
Do not use eyebolts screwed on the motor for handling the unit.
NOTICE:
The pump is shipped by the Manufacturer with two shims to block the shaft and the impeller
stack; always handle the pump with the shims installed to prevent damage.
Also see Assembly
of the motor on page 19.

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10 e-SV series – Additional Installation, Operation and Maintenance Instructions
The unit must be harnessed and lifted as shown in the figures.
The eyebolts must only be used to move the unit upright from its horizontal position on the
ground, and only for as long as strictly necessary. See the figures below.
ESV_M0001_B_ot
< 5,5 kW
≥ 5,5 kW
ESV_M0002_A_sc

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e-SV series – Additional Installation, Operation and Maintenance Instructions 11
2.4 Storage
Storage of the packed unit
The unit must be stored:
•In a covered and dry place
•Away from heat sources
•Protected from dirt
•Protected from vibrations
•At an ambient temperature between -5°C and +40°C (23°F and 140°F), and relative
humidity between 5% and 95%.
NOTICE:
Do not place heavy loads on top of the unit.
NOTICE:
Protect the unit from collisions.
Long-term storage of the unit
1. Empty the unit by unscrewing the drain plug; this operation is essential in environments
with cold temperatures. Otherwise, any residual liquid in the unit could have an adverse
effect on its condition and performance.
2. Follow the same instructions for the storage of the packed unit.
For more information on long-term storage contact the Xylem sales company or Authorised
Distributor.

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12 e-SV series – Additional Installation, Operation and Maintenance Instructions
3Technical Description
3.1 Designation
Multistage vertical centrifugal pump unit, non-self-priming.
The product may be supplied as a pump unit (pump and motor), or as pump only.
3.2 Data plate
Position
number
Description
Position
number
Description
1
Pump or pump unit type
11
Speed
2
Product code
12
Minimum efficiency index
3
Mechanical seal materials identification code
13
Pump rated power
4
O-ring material identification code
14
Pump unit power consumption (∗)
5
Minimum liquid operating temperature
15
Rated voltage range (∗)
6
Maximum liquid operating temperature
16
Frequency (∗)
7
Maximum operating pressure
17
Protection class (∗)

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e-SV series – Additional Installation, Operation and Maintenance Instructions 13
8
Flow rate range
18
Serial number + manufacturing date
9
Head range
19
Weight
10
Minimum head
-
-
(∗) Data present only on the pump unit plate
Additional liquid temperature plate
It is applied on the units where the maximum working temperature of the liquid exceeds the
limit of 90°C (194°F), foreseen by the standard EN 60335-2-41, with Un (V) ≤ 480 V (3~) or ≤
250 V (1~).
3.3 Identification code
Modes 1, 3, 5, 10, 15, 22SV
Position
number
Description
Notes
1
Rated flow rate
22 = m3/h
2
Series name
SV
3
Motor operation
Empty = standard
H = with Hydrovar®
X = other drivers
E = e-SM
4
Number of impeller
10 = 10 impellers
5
Standard materials
F = AISI 304, round flanges (PN 25)
T = AISI 304, oval flanges (PN 16)
R = AISI 304, overlapping ports, round flanges (PN 25)
N = AISI 316, round flanges (PN 25)
V = AISI 316, Victaulic® couplings (PN 25)
P = AISI 316, Victaulic® couplings (PN 40)
C = AISI 316, DIN 32676 Clamp couplings (PN 25)
K = AISI 316, DIN 11851 thread couplings (PN 25)
X = custom version
6
Special versions
Empty = standard
L = Low NPSH, round flanges, PN 25 (versions F, N, R)
H = high temperature 150°C, round flanges, PN 25 (versions F, N)
B = high temperature 180°C, round flanges, PN 25 (version N)
E = passivated and electropolished (versions N, V, C, K, P)
W = high temperature 150° and low NPSH (versions F, N)
Y = high temperature 180° and low NPSH (version N)
U = passivated, electropolished and low NPSH (versions N, V, C, K, P)
I = high temperature 150°, passivated and electropolished (version N)
S = high temperature 180°, passivated and electropolished (version N)
A = high temperature 150°, passivated, electropolished and low NPSH
(version N)
D = high temperature 180°, passivated, electropolished and low NPSH
(version N)
X = custom version
EHM_M0005_A_sc
2 2 S V 1 0 F L 1 1 0 T
113 11516 18 1
9110 111
12 4 7

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14 e-SV series – Additional Installation, Operation and Maintenance Instructions
7
Motor rated power
kW X 10
8
Number of poles
Empty = 2 poles
4 = 4 poles
P = e-SM
9
Frequency
Empty = 50 Hz
6 = 60 Hz
0 = e-SM
10
Phase
Empty = pump only
M = single-phase
T = three-phase
11
Other information
Empty = standard version
Other = see technical catalogue
Models 33, 46, 66, 92, 125SV
Position
number
Description
Notes
1
Rated flow rate
125 = m3/h
2
Series name
SV
3
Motor operation
Empty = standard
H = with Hydrovar®
X = other drivers
4
Number of impeller
8/2A = 8 impellers, 2 of which with a smaller external diameter, type A or
B
5
Standard materials
G = AISI 304/Cast iron, round flanges (PN16/25/40 depending on
model)
N = AISI 316, round flanges (PN16/25/40 depending on model)
P = AISI 316, round flanges (PN 40)
X = custom version
6
Special versions
Empty = standard
L = Low NPSH, round flanges, PN 25 (versions G, N)
H = high temperature 150°C, round flanges, PN 25 (versions G, N)
B = high temperature 180°C, round flanges, PN 25 (version N)
E = passivated and electropolished ( version N)
W = high temperature 150° and low NPSH (versions G, N)
Y = high temperature 180° and low NPSH (version N)
U = passivated, electropolished and low NPSH ( version N)
I = high temperature 150°, passivated and electropolished (version N)
S = high temperature 180°, passivated and electropolished (version N)
A = high temperature 150°, passivated, electropolished and low NPSH
(version N)
D = high temperature 180°, passivated, electropolished and low NPSH
(version N)
X = custom version
7
Motor rated power
kW X 10
8
Number of poles
Empty = 2 poles
4 = 4 poles
9
Frequency
Empty = 50 Hz
6 = 60 Hz
10
Phase
Empty = pump only
M = single-phase
T = three-phase
11
Other information
Empty = standard version
Other = see technical catalogue
EHM_M0006_A_sc
1 2 5 S V 8 / 2 A G L 5 5 04 T
12 1111
11
136
5111
478 9 10

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e-SV series – Additional Installation, Operation and Maintenance Instructions 15
Marks of safety approval
For products with a mark of electrical-related safety approval such as IMQ, TUV, IRAM, etc., the
approval refers exclusively to the pump unit.
3.4 Names of the main components
Position
number
Description
Position
number
Description
1
Pump body
10
Mechanical seal
2
Impeller
11
Elastomers
3
Diffuser
12
Coupling protection
4
Outer sleeve
13
Shaft sleeve and bush
5
Shaft
14
Fill and drain plug
6
Motor adapter
15
Tie rod
7
Base plinth
16
Wear ring
8
Coupling
17
Seal housing
9
Disk
18
Motor
1
11
1
1
1
4
1
9
1
11
1
6
1
17
1
15
1
14
1
7
1
10
1
12
1
8
1
14
1
2
1
16
1
3
1
5
1
16
ESV_M0007_A_ds
1
18

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16 e-SV series – Additional Installation, Operation and Maintenance Instructions
3.5 Intended use
•Pressure boosting and water supply systems
•Washing and cleaning sector, including washing of vehicles
•Circulation of hot and cold liquids, for example water or water & glycol, for heating, cooling
and air conditioning systems
•Water treatment applications
•Transfer of moderately aggressive liquids
•Irrigation
•Firefighting systems.
Observe the operating limits in Technical Information on page 40.
Pumped liquids
•Clean
•Chemically and mechanically non aggressive
•Hot water
•Cold water.
3.6 Improper use
WARNING:
The unit was designed and built for the use described in section
Intended use. Any other uses
are prohibited, as they could compromise the safety of the user and the efficiency of the unit
itself.
DANGER:
It is prohibited to use this unit to pump flammable and/or expl
osive liquids.
DANGER: Potentially explosive atmosphere hazard
It is prohibited to start the unit in environments with potentially explosive atmospheres or with
combustible dusts.
Examples of improper use
•Pumping liquids not compatible with the construction materials of the unit
•Pumping hazardous, toxic, explosive, flammable or corrosive liquids
•Pumping drinking liquids other than water, for example wine or milk
•Pumping liquids containing abrasive, solid, or fibrous substances
•Using the unit for flow rates exceeding the flow rate indicated in the data plate.
Examples of improper installation
•Explosive and corrosive atmospheres
•Areas where the air temperature is very high and/or there is poor ventilation
•Outdoor without protection from weather conditions.

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e-SV series – Additional Installation, Operation and Maintenance Instructions 17
3.7 Use in water distribution networks for human consumption
If the unit is intended for water supply to people and/or animals:
WARNING:
It is prohibited to pump drinking water after use with other fluids.
WARNING:
Take appropriate measures
during transport, installation and storage to prevent contamination
from external substances.
WARNING:
Remove the unit from its packaging just before installation to prevent contamination from
external substances.
WARNING:
After installation, run t
he unit for a few minutes with several users open in order to wash the
inside of the system.
3.8 Special applications
Contact Xylem or the Authorised Distributor in the following cases:
•If liquids with a density and/or viscosity value exceeding that of water (such as water and
glycol mixture) must be pumped
•If the pumped liquid is chemically treated (for example softened, deionized, demineralized
etc.)
•Any situations different from those described, relating to the nature of the liquid
•Install the unit in the horizontal position.

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18 e-SV series – Additional Installation, Operation and Maintenance Instructions
4Installation
4.1 Precautions
Before starting, make sure that the safety instructions shown in Introduction and Safety on
page 5 have been fully read and understood.
DANGER:
All the hydraulic and electrical connect
ions must be completed by a technician possessing the
technical
-professional requirements outlined in the current regulations.
DANGER: Potentially explosive atmosphere hazard
It is prohibited to start the unit in environments with potentially explosive
atmospheres or with
combustible dusts.
WARNING:
Always wear personal protective equipment.
WARNING:
Always use suitable working tools.
WARNING:
When selecting the place of installation and connecting the unit to the hydraulic and electric
power supplies, strictly comply with current regulations.
When connecting the unit to a public or private aqueduct, or to a well for the supply of water
for human and/or animal consumption, see Use in water distribution networks for human
consumption on page 17.

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e-SV series – Additional Installation, Operation and Maintenance Instructions 19
4.2 Assembly of the motor
Position
number
Description
Position
number
Description
1
Motor
6
Pump shaft shim
2
Coupling
7
Adapter
3
Couple screw
8
Impeller stack shim
4
Pump
9
Coupling protection
5
Motor fixing screws
1. Remove the protections and shim.
ESV_M0023_A_de
1
1
1
2
1
3
1
4
1
5
1
8
16
17
1
9
ESV_M0018_A_de

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20 e-SV series – Additional Installation, Operation and Maintenance Instructions
2. Loosen the couple screw.
3. Secure the motor to the adapter with the bolts (not supplied).
4. Tighten the couple screw.
5. Extract the shim placed between the adapter and coupling.
6. Reassemble the protections.
ESV_M0019_A_de
ESV_M0020_A_de
ESV_M0021_A_de