Xylem LOWARA e-SHE Series User manual

Additional Installation, Operation and
Maintenance Instructions
e-SHE, e-SHS Series
Horizontal Centrifugal Pump Units
in AISI 316 Stainless Steel

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2 e-SHE, e-SHS – 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 Denomination of the models.........................................................................................................................12
3.3 Data plate .......................................................................................................................................................12
3.4 Identification code .........................................................................................................................................13
3.5 Names of the main components...................................................................................................................13
3.6 Intended use...................................................................................................................................................14
3.7 Improper use ..................................................................................................................................................15
3.8 Use in water distribution networks for human consumption .......................................................................15
3.9 Special applications .......................................................................................................................................16
4Installation ...............................................................................................................................................................17
4.1 Precautions .....................................................................................................................................................17
4.2 Mechanical installation...................................................................................................................................18
4.2.1 Installation area ..........................................................................................................................................18
4.2.2 Permitted positions ....................................................................................................................................18
4.2.3 Installation on concrete foundation...........................................................................................................18
4.2.4 Fastening of the unit ..................................................................................................................................19
4.2.5 Reducing vibrations ...................................................................................................................................19
4.3 Hydraulic connection .....................................................................................................................................20
4.3.1 Guidelines for the hydraulic system ..........................................................................................................20
4.4 Electrical connection......................................................................................................................................22
4.4.1 Ground........................................................................................................................................................22
4.4.2 Guidelines for electrical connection..........................................................................................................23
4.4.3 Guidelines for the electrical control panel................................................................................................23
4.4.4 Guidelines for the motor............................................................................................................................23
4.4.5 Operation with frequency converter .........................................................................................................25

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e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions 3
5Use and operation ..................................................................................................................................................26
5.1 Precautions .....................................................................................................................................................26
5.2 Filling - Priming ..............................................................................................................................................27
5.2.1 Positive suction head installation ..............................................................................................................27
5.2.2 Suction lift installation ................................................................................................................................27
5.3 Rotation sense check (three-phase motors)..................................................................................................28
5.3.1 Wrong rotation direction ...........................................................................................................................28
5.4 Start-up ...........................................................................................................................................................28
5.5 Stopping .........................................................................................................................................................29
6Maintenance............................................................................................................................................................30
6.1 Precautions .....................................................................................................................................................30
6.2 Tightening torques.........................................................................................................................................31
6.3 Maintenance schedule ...................................................................................................................................32
6.4 Long periods of inactivity...............................................................................................................................32
6.5 Spare parts ordering ......................................................................................................................................32
7Troubleshooting......................................................................................................................................................33
7.1 Precautions .....................................................................................................................................................33
7.2 The unit does not start ...................................................................................................................................33
7.3 The differential protection device (RCD) is activated...................................................................................33
7.4 The thermal overload protection triggers or the fuses trip..........................................................................33
7.5 The thermal overload protection triggers.....................................................................................................34
7.6 The motor becomes excessively hot .............................................................................................................34
7.7 The unit runs but there is little or no flow rate ..............................................................................................34
7.8 When switched off, the unit turns in the opposite direction ........................................................................34
7.9 The unit produces excessive noise and/or vibrations ..................................................................................35
7.10 The unit starts up too frequently (automatic start/stop)...............................................................................35
7.11 The unit never stops (automatic start/stop) ..................................................................................................35
7.12 The unit is leaking ..........................................................................................................................................36
7.13 The frequency converter is in error mode or turned off...............................................................................36
8Technical Information .............................................................................................................................................37
8.1 Operating environment .................................................................................................................................37
8.1.1 Downgrading the motor ............................................................................................................................38
8.2 Liquid temperature and maximum operating pressure ...............................................................................39
8.3 Maximum head...............................................................................................................................................40
8.4 Maximum number of starts per hour.............................................................................................................42
8.5 Protection class...............................................................................................................................................43
8.6 Electrical specifications ..................................................................................................................................43
8.7 Sound pressure ..............................................................................................................................................43
8.8 Materials in contact with the liquid ...............................................................................................................43
8.9 Mechanical seal ..............................................................................................................................................43
9Disposal...................................................................................................................................................................44
9.1 Precautions .....................................................................................................................................................44

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4 e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions
9.2 WEEE 2012/19/EU (50 Hz) ............................................................................................................................44
10 Declarations........................................................................................................................................................45
11 Warranty .............................................................................................................................................................47
11.1 Information .....................................................................................................................................................47

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e-SHE, e-SHS – 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 to
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-SHE, e-SHS – 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-SHE, e-SHS – 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-SHE, e-SHS – 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, or
3. A wooden crate.
Packaging type 2 and 3 are intended for transport with a forklift truck; the lifting points are
indicated in the figure.
ESH_M0001_A_ot
1 2 3

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e-SHE, e-SHS – 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.

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10 e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions
The unit must be harnessed and lifted as shown in figures 1 and 2.
Figure 1: Lifting a unit with foot on the pump
Figure 2: Lifting a unit with foot on the motor
ESH_M0004_A_sc
ESH_M0005_A_sc

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e-SHE, e-SHS – 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.
NOTICE:
Rotate the shaft by hand several times every three months.
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.
ESH_M0006_A_sc

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12 e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions
3Technical Description
3.1 Designation
Horizontal centrifugal pump unit with end suction and radial discharge ports, in AISI 316
stainless steel.
3.2 Denomination of the models
Model
Description
ESHE
Close-coupled construction with an impeller keyed directly to the motor shaft extension
ESHS
Construction with a rigid coupling keyed to the standardised motor shaft extension
3.3 Data plate
1. Pump unit type
2. Maximum operating pressure
3. Rated impeller diameter
4. Trimmed impeller diameter
5. Maximum liquid operating temperature
6. Minimum liquid operating temperature
7. Serial number + manufacturing date
8. Product code
9. Weight
10. Flow rate range
11. Head range
12. Speed
13. Rated or maximum power
14. Minimum efficiency index
15. Hydraulic efficiency in best efficiency point, at 50 Hz

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e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions 13
3.4 Identification code
1. Model denomination: ESHE or ESHS
2. Close-coupled [E] or rigid [S] coupling, or bare shaft [ ]
3. Standard asynchronous motor [ ], with Hydrovar® [H] or with another drive [X]
4. Discharge piping diameter and impeller rated diameter, in mm
5. Rated motor power in kWx10
6. Trimmed impeller with reduced average diameter at the same rated power [A] or with reduced average diameter
adapted to the duty point requested by the customer [X]
7. Type of motor
8. 2-pole [2] or 4-pole [4] motor
9. Electrical voltage with:
•Frequency 50 Hz: 1x220-240 V [5H], 3x220-240/380-415 V [5R], 3x380-415/660-690 V [5V], 3x200-208/346-
360 V [5P], 3x255-265/440-460 V [5S], 3x290-300/500-525 V [5T] or 3x440-460/- V [5W]
•Frequency 60 Hz: 1x220-230 V [6F], 1x200-210 V [6E], 3x220-230/380-400 V [6P], 3x255-277/440-480 V [6R],
3x440-480/- V [6V], 3x380-400/660-690 V [6U], 3x200-208/346-360 V [6N] or 3x330-346/575-600 V [6T]
10. Pressed stainless steel pump body [S]
11. Impeller in pressed stainless steel [S] or cast stainless steel [N]
12. Material of the mechanical seal and OR configuration: ceramic/carbon/FKM [A], ceramic/carbon/EPDM [B],
SiC/carbon/FKM [2], SiC/carbon/EPDM [4], SiC/SiC/FKM [W], SiC/SiC/EPDM [Z], other configurations [X]
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.
3.5 Names of the main components
e-SHE
1. Counterwear ring
2. Rigid coupling
3. Impeller key
4. Impeller locking nut
5. Wear ring
6. Pump body
7. Impeller
8. Seal housing
9. Drain plug
10. Elastomers
11. Motor adapter
12. Mechanical seal
13. Motor
ES H E 6 5 - 1 6 0 / 11 0 A / P2 5 VS N A
ESH_M0003_A_sc
12 11 1 111
1 3 61 1
4 7 810
15 19 112
ESH_M0007_B_ds
13
9
1
2
3
4
5
7
6
8
11
10
12

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14 e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions
e-SHS
1. Counterwear ring
2. Impeller key
3. Impeller locking nut
4. Wear ring
5. Pump body
6. Impeller
7. Seal housing
8. Drain plug
9. Mechanical seal
10. Rigid coupling
11. Elastomers
12. Motor adapter
13. Motor
3.6 Intended use
•Water supply and water treatment
•Cooling and supply of hot water in civil and industrial systems
•Irrigation and sprinkler systems
•Heating systems.
Observe the operating limits in Technical Information on page 37.
Pumped liquids
•Clean
•Chemically and mechanically non aggressive
•Hot water
•Cold water.
ESH_M0008_B_ds
1
2
3
4
5
6
7
8
12
11
13
10
9

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e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions 15
3.7 Improper use
WARNING:
The unit was designed and built for the use described in the Intended Use
section. 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 explosive 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.
3.8 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 the unit for a few minutes with several users open in
order to wash the
inside of the system.

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16 e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions
3.9 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 the ones described and relating to the nature of the liquid.

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e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions 17
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 connections 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 15.

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18 e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions
4.2 Mechanical installation
Install the unit on a concrete or metal foundation base sufficiently strong to ensure permanent
and rigid support.
4.2.1 Installation area
1. Follow the provisions in Operating environment on page 37.
2. Place the unit in a raised position in relation to the floor.
3. Make sure that any leaks will not cause flooding to the installation area or submerge the
unit.
4. In case of installation of the unit outdoors, ensure appropriate protection of the motor
against direct sunlight, rain and snow; see figure.
Air clearance between a wall and the motor fan grille
•To ensure suitable ventilation: ≥ 100 mm (4 in)
•To permit inspection and removal of the motor: see technical catalogue.
4.2.2 Permitted positions
4.2.3 Installation on concrete foundation
Requirements
•The concrete must have a compression resistance of C12/15 and meet the requirements of
exposure class XC1 according to EN 206-1
•The foundation weight must be ≥ 1.5 times the unit weight (≥ 5 times the weight of the unit
if a quieter operation is required)
•The surface should be as flat and as horizontal, or vertical, as possible.

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e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions 19
4.2.4 Fastening of the unit
Phase
Action
Illustration
1
If present, remove the plugs covering the suction and discharge ports.
2
Place the unit on the foundation.
3
Align the suction and discharge ports to their piping.
4a
Unit with foot on the pump:
secure with 3 bolts with resistance class 8.8 or higher.
4b
Unit with foot on the motor:
secure with 4 bolts with resistance class 8.8 or higher.
4c
Unit with motor size from 160 to 200, 2 poles and 160, 4 poles:
insert the 2 shims and secure with 4 bolts with resistance class 8.8 or
higher.
4.2.5 Reducing vibrations
The motor and the flow of liquids in the pipes may cause vibrations, which can be exacerbated
by incorrect installation of the unit and pipes. See Hydraulic connection on page 20.

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20 e-SHE, e-SHS – Additional Installation, Operation and Maintenance Instructions
4.3 Hydraulic connection
DANGER:
All the hydraulic and electrical connections must be completed by a technician possessing the
technical
-professional requirements outlined in the current regulations.
WARNING:
Piping must be sized to ensure safety at the maximum operating pressure.
WARNING:
Install appropriate seals between the unit couplings and the pipings.
4.3.1 Guidelines for the hydraulic system
The figures show the hydraulic reference diagrams for positive suction head and suction lift
installations.
Figure 3: Positive suction head installation
1. Pump unit
2. Anti-vibration joint
3. Overpressure safety on-off valve
4. On-off valve
5. Pressure gauge
6. Minimum pressure switch
7. Check valve
8. Electrode probes or float
9. Automatic relief valve
10. Electric panel
11. Pressurised circuit.
EHM_M0016_B_sc
10
55
6
8
74 2 2 4
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