Xylem LOWARA SMB /SVE Series User manual

SMB Booster set
SMB../SVE, SMB../VME, SMB../HME
Installation, Operation and Maintenance Manual
Cod.001086038EN rev.C ed.03/2018

en –Original instructions
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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 General safety rules......................................................................................................................................7
1.2.4 Protection of the environment .......................................................................................................................8
1.2.5 Sites exposed to ionizing radiations..............................................................................................................8
1.3 Spare parts........................................................................................................................................................8
1.4 Product warranty...............................................................................................................................................8
2Transportation and Storage .....................................................................................................................................9
2.1 Handling the booster set ...................................................................................................................................9
2.2 Storage............................................................................................................................................................10
3Technical Description .............................................................................................................................................11
3.1 Designation .....................................................................................................................................................11
3.2 Data plates......................................................................................................................................................11
3.2.1 Booster set ..................................................................................................................................................11
3.2.2 Distribution panel.........................................................................................................................................12
3.3 Design and layout............................................................................................................................................13
3.4 Intended use....................................................................................................................................................14
3.4.1 Application alternatives ...............................................................................................................................14
3.5 Improper use...................................................................................................................................................14
4Installation ...............................................................................................................................................................15
4.1 Mechanical installation....................................................................................................................................15
4.1.1 Installation area...........................................................................................................................................15
4.1.2Guidelines for mechanical installation.........................................................................................................16
4.2 Hydraulic installation .......................................................................................................................................16
4.2.1 Guidelines for hydraulic installation.............................................................................................................17
4.3 Electrical Installation .......................................................................................................................................18
4.3.1 Electrical requirements................................................................................................................................18
4.3.2 Electrical connection checklist ....................................................................................................................18
4.3.3 Electrical control panel check-list................................................................................................................18
4.3.4 Wire types and ratings.................................................................................................................................19
4.3.5 Protection against dry running ....................................................................................................................20
5Use and operation ..................................................................................................................................................21
5.1 Wait times........................................................................................................................................................21
5.2 Starting and stopping ......................................................................................................................................21
5.2.1 Adjusting the frequency converter...............................................................................................................22
5.2.2 Pre-charging the diaphragm pressure tank.................................................................................................22

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5.2.3 Starting the booster set...............................................................................................................................22
6Maintenance ...........................................................................................................................................................24
6.1 Maintenance of the control panel and frequency converters..........................................................................24
6.2 Maintenance of the diaphragm pressure tank.................................................................................................24
7Troubleshooting ......................................................................................................................................................25
7.1 The booster set is off.......................................................................................................................................25
7.2 Motor does not start ........................................................................................................................................25
7.3 Frequent start-ups and stops ..........................................................................................................................25
7.4 The speed of the pump unit increases and decreases without stopping and without consumption of water
(utility closed)...............................................................................................................................................................25
7.5 The motor runs but no water is delivered........................................................................................................26
7.6 Loss of water from the pump unit....................................................................................................................26
7.7 Too noisy.........................................................................................................................................................26
7.8 The booster set does not generate the required pressure..............................................................................26
7.9 Tripping of the main protection system (fuses)...............................................................................................26
7.10 Tripping of the differential protection...............................................................................................................27
7.11 The pump unit runs at maximum speed without stopping ..............................................................................27
7.12 Only one pump unit is running ........................................................................................................................27
7.13 There is demand for water but the pump unit does not start ..........................................................................27
8Technical Data .......................................................................................................................................................28
8.1 Dimensions and weights .................................................................................................................................29
9Declarations.............................................................................................................................................................29
9.1 EC Declaration of Conformity (Original)..........................................................................................................29
9.2 EU Declaration of Conformity (No EMCD23)..................................................................................................29

en –Original instructions
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en –Original instructions
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1Introduction and Safety
1.1 Introduction
Purpose of this manual
The purpose of this manual is to provide necessary information for:
Installation
Operation
Maintenance
CAUTION:
Before installing and using the product, make sure that you read and fully understand this manual
in all its parts. Improper use of the product can cause personal injuries and damage to property,
as well as making the warranty null and void.
NOTICE:
This manual is an integral part of the product. It must always be made available to the user,
stored in the proximity of the product, and well kept.
1.2 Safety
1.2.1 Danger levels and safety symbols
Before using the product, and in order to avoid the following risks, make sure that you carefully
read, understand and comply with the following danger warnings:
Injuries and health hazards
Damage to the product
Product malfunction.
Hazard 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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Special symbols
Some hazard categories have specific symbols, as shown in the following table:
Symbol
Description
Electrical hazard
Magnetic hazard
Hot surface hazard
Ionizing radiation hazard
Potentially explosive atmosphere hazard (ATEX EU
Directive)
Cut and abrasion hazard
Crushing hazard (limbs)
Other symbols
Symbol
Description
User
Specific information for the users of the product.
Installer / Maintenance technician
Specific information for personnel responsible for the
installation of the product within the system (hydraulic
and/or electric system), and for maintenance operations.
1.2.2 User safety
Strictly comply with current health and safety regulations.
WARNING:
This product must be used only by qualified users.
For the purposes of this manual, in addition to the provisions of any local regulations, qualified
personnel means any individuals who, due to their experience or training, are capable of
recognising any existing hazards and to avoiding dangers during the installation, the use and the
maintenance of the product.

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Inexperienced users
WARNING:
FOR THE EUROPEAN UNION
This appliance can be used by children aged from 8 years and above and persons with
reduced physical, sensory or mental capabilities or lack of experience and knowledge if they
have been given supervision or instruction concerning use of the appliance in a safe way and
understand the hazards involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children without supervision.
FOR OTHER COUNTRIES
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.
1.2.3 General safety rules
WARNING:
Always keep the work area clean.
Pay attention to the risks presented by gas and vapors in the work area.
Always bear in mind the risk of drowning, electrical accidents, and burn injuries.
DANGER: Electrical hazard
Avoid all electric dangers; pay attention to the risk of electric shock or electric arcs
Unintended rotation of motors creates voltage and can charge the unit, resulting in death,
serious injury, or equipment damage. Ensure that motors are blocked to prevent unintended
rotation.
Magnetic fields
The removal or installation of the rotor in the motor casing generates a strong magnetic field.
DANGER: Magnetic hazard
The magnetic field may be dangerous for anyone wearing peacemakers, or any other medical
devices sensitive to magnetic fields.
NOTE
The magnetic field may attract metal debris on the rotor surface, causing damage to the same.
Electrical connections
DANGER: Electrical hazard
The connection to the electric power supply must be completed by an electrician possessing
the technical-professional requirements outlined in the current regulations
Precautions before work
WARNING:
Install a suitable barrier around the working area, for example a guard rail
Make sure that all safety guards are in place and secure.
Make sure that you have a clear path of retreat.
Make sure that the product cannot roll or fall over and injure people or damage property.
Make sure that the lifting equipment is in good condition.
Use a lifting harness, a safety line, and a breathing device as required.

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Allow all booster set components to cool before handling them
Make sure that the product has been thoroughly cleaned
Disconnect and lock out power before you service the pump unit.
Check the explosion risk before you weld or use electric hand tools.
Precautions during work
WARNING:
Never work alone.
Always wear personal protective equipment
Always use suitable working tools
Always lift the product by its lifting device.
Stay clear of suspended loads.
Beware of the risk of a sudden start if the product is used with an automatic level control.
Beware of the starting jerk, which can be powerful.
Rinse the components in water after you disassemble the pump unit.
Do not exceed the maximum working pressure of the pump unit.
Do not open any vent or drain valve or remove any plugs while the booster set is pressurized.
Make sure that the pump unit is isolated from the system and that all pressure is released
before disassembling the pump, removing plugs, or disconnecting the piping.
Never operate the pump unit without a properly installed coupling guard.
In case of contact with chemical substances or dangerous liquids
Follow these procedures for chemicals or hazardous fluids that have come into contact with your
eyes or your skin:
Condition
Action
Chemicals or hazardous fluids
in eyes
1. Hold your eyelids apart forcibly with your fingers.
2. Rinse the eyes with eyewash or running water for at least 15 min.
3. Seek medical attention.
Chemicals or hazardous fluids
on skin
1. Remove contaminated clothing.
2. Wash the skin with soap and water for at least 1 min.
3. Seek medical attention, if necessary.
1.2.4 Protection of the environment
Disposal of packaging and product
Comply with the current regulations on sorted waste disposal.
1.2.5 Sites exposed to ionizing radiations
WARNING: Ionizing radiation hazard
If the product has been exposed to ionizing radiations, implement the necessary safety measures
for the protection of people. If the product needs to be despatched, inform the carrier and the
recipient accordingly, so that appropriate safety measures can be put in place.
1.3 Spare parts
When contacting Xylem or the Authorised Distributor to request technical information or spare
parts, always indicate the product type and code.
1.4 Product warranty
For information on the warranty refer to the documentation of the sale contract.

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2Transportation and Storage
Packaging inspection
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 product
1. Remove the packaging material from the product.
2. Release the product by removing the screws and/or cutting the straps, if fitted.
CAUTION: Cut and abrasion hazard
Always wear personal protective equipment.
3. Check the product 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.
2.1 Handling the booster set
The booster set must be harnessed and lifted as shown in Figure 1.
WARNING: Crushing hazard (limbs)
The product and its components may be heavy: risk of crushing
Always wear personal protective equipment
Manual handling of the product and its components must be in compliance with the current
regulations on "manual load handling", to avoid unfavourable ergonomic conditions causing
risks of back-spine injury.
Use cranes, ropes, lifting straps, hooks and clasps that comply with current regulations and
that are suitable for the specific use
Make sure that the harnessing does not damage the booster set
During the lifting operations, always avoid sudden movements that could compromise the
stability of the load
During handling, make sure to avoid injury to people and animals, and/or damage to property.

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Figure 1: Lifting
2.2 Storage The product must be stored:
In a covered and dry place
Away from heat sources
Protected from dirt
Protected from vibrations
At an ambient temperature between -25°C and +55°C (-13°F and 131°F), and relative
humidity between 5% and 95%.
NOTICE:
Do not place heavy loads on top of the product
Protect the product from collisions.
SMB_M0001_B_sc