Danfoss Semco SEM-SAFE User manual

END USER MANUAL
SEM-SAFE® HIGH-PRESSURE WATER MIST PUMP UNIT
REVISION 4, MAY 2016

End User Manual
High-Pressure Water Mist Pump Unit
Revision 4, May 2016
Copyright 2016 by Danfoss Semco A/S.
All rights reserved. No part of this manual may be reproduced, distributed, or transmitted in any form or by
any means, including photocopying, recording, or other electronic or mechanical methods, without the prior
written permission of Danfoss Semco. For permission request, please contact us:
Danfoss Semco A/S
Middelfartvej 9, 5000 Odense C, Denmark
Tel.: [phone]
Fax: [phone]
E-mail: [e-mail]
Web: www.danfoss-semco.com

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OPERATION AND MAINTENANCE OF HIGH PRESSURE WATER MIST PUMP UNIT
REVISION 4, MAY 2016
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Foreword
This End User Manual provides basic understanding as well as guidance for operation and
maintenance of the SEM-SAFE®High-Pressure Water Mist Pump Unit manufactured by Danfoss
Semco A/S. This manual is prepared for system owners and users of the SEM-SAFE®High-
Pressure Water Mist Pump Unit. If you encounter any problems with the system, please contact
Danfoss Semco A/S Service department (email: [email protected]).

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OPERATION AND MAINTENANCE OF HIGH PRESSURE WATER MIST PUMP UNIT
REVISION 4, MAY 2016
Table of Contents
Introduction.................................................................................................................................71
Safety instructions for SEM-SAFE®pump unit..................................................................71.1
General Safety instructions..............................................................................................71.1.1
Workplace Safety.............................................................................................................71.1.2
Electrical Safety...............................................................................................................71.1.3
Personal Safety ................................................................................................................81.1.4
Personal Safety Equipment..............................................................................................81.1.5
Copyright, Confidentiality Statement and Trademark ........................................................81.2
Liability ...............................................................................................................................91.3
Health and safety.................................................................................................................91.4
Reservation clause.............................................................................................................101.5
System description....................................................................................................................112
General system description ...............................................................................................112.1
General description of Wet Pipe Water Mist System........................................................11
2.2
General description of Dry Pipe Water Mist System........................................................112.3
General description of Pre-action Water Mist System......................................................112.4
General description of Deluge Water Mist System...........................................................122.5
Pump unit component description ............................................................................................123
Pump unit with unit tank ...................................................................................................123.1
Pump unit with supply manifold (without unit tank) ........................................................133.2
High-pressure pumps.........................................................................................................143.3

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Electric motors ..................................................................................................................153.4
Pilot pump (optional in Land and Marine applications)....................................................153.5
Unit without pilot pump (marine systems)........................................................................153.6
Unit tank............................................................................................................................153.7
Supply manifold ................................................................................................................163.8
High-pressure manifold.....................................................................................................173.9
Valves...............................................................................................................................183.10
Pressure controlling and monitoring devices ....................................................................183.11
Filter system ......................................................................................................................193.12
Emergency back-up system...............................................................................................203.13
Standard Unit Control Panel..............................................................................................213.14
Land application ............................................................................................................213.14.1
Marine application.........................................................................................................253.14.2
VdS Unit Control Panel.................................................................................................293.14.3
FM Global Unit Control Panel.......................................................................................323.14.4
Pump unit operation..................................................................................................................344
Pump unit activation..........................................................................................................344.1
Increasing discharge capacity in a fire situation................................................................344.2
Shut-down of pump unit after activation (fire suppression)..............................................344.3
Reestablishment of the SEM-SAFE®system after starting up..........................................354.4
Pump unit maintenance.............................................................................................................365
Maintenance of land units according to CEA 4001 ..........................................................365.1

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Maintenance according to FM Global...............................................................................395.2
Maintenance according to VdS Schadenverhütung...........................................................425.3
Maintenance of marine units according to MSC.1/Circ. 1432..........................................455.4

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Introduction1
Safety instructions for SEM-SAFE®pump unit1.1
The SEM-SAFE® system is a high-pressure water mist system and consists of nozzles, pump unit,
section valves, piping system, etc. The SEM-SAFE®High-Pressure Water Mist Pump Unit and
system operates under high pressure and high voltage.
Care must be taken when operating the SEM-SAFE®High-Pressure Water Mist Pump Unit.
Installation, test, commissioning and service of the system is only to be carried out by appropriately
trained, competent personnel. It must be ensured that all relevant procedures are followed to the
satisfaction of the authority having jurisdiction, defined as organization, office, or individual
responsible for approving equipment, materials, an installation or a procedure.
General Safety instructions1.1.1
WARNING
Read all safety instructions and instructions.
If the safety instructions and the instructions are not followed, there is a risk of electric shock and /
or serious injury.
Save all warnings and instructions for future use.
Workplace Safety1.1.2
a) Make sure to keep the area around the pump unit free and clean. Disorder in the work area
increases the risk of accidents.
b) Make sure that other people and especially children are kept away from the pump unit when
the pump unit is operating.
Electrical Safety1.1.3
a) The SEM-SAFE®pump unit is always connected to high voltage during standby and
operation.
b) The door on the Unit Control Panel should never be opened by anyone other than educated /
trained personnel as there is an increased risk of electric shock.
c) The main switch should always be switched off during replacement of electrical
components. If the main switch is not switched off there will be an increased risk of
electrical shock.

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IMPORTANT. When the work is finished on the pump unit, the main switch
must be turned on again. If the main switch is not turned on, the SEM-SAFE®pump unit
will not activate if a fire occurs in the protected areas.
Personal Safety1.1.4
a) Always use personal safety equipment (See chapter 1.1.5 Personal Safety Equipment).
Safety equipment will reduce personal injuries.
b) When replacing mechanical or electrical components on the pump unit, the main switch
should always be switched off. If this is not done, there will be an increased risk of injury.
IMPORTANT. When the work is finished on the pump unit, the main switch
must be turned on again. If the main switch is not turned on, the SEM-SAFE®pump unit
will not activate if a fire occurs in the protected areas.
Personal Safety Equipment1.1.5
a) Persons staying in the area, during operation of the SEM-SAFE®pump unit must wear
hearing protection.
b) Persons who work with service and maintenance of SEM-SAFE®pump unit must wear hand
protection.
c) Persons who work with service and maintenance of SEM-SAFE®pump unit must wear
safety shoes.
Copyright, Confidentiality Statement and Trademark1.2
This manual is the property of Danfoss Semco A/S, is confidential information and shall only be
used for carrying out operation and maintenance of the SEM-SAFE®High-Pressure Water Mist
Pump Unit. The manual shall not, in whole or in part, be reproduced, copied, disclosed or used as
the basis for manufacture, marketing or sale without the prior written permission of Danfoss Semco
A/S.

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The content of this manual reflects the state of the art and experience at the time of issuing,
however, Danfoss Semco A/S will constantly improve systems, procedures and instructions.
Consequently, Danfoss Semco A/S will reserve the right to revise and improve this manual without
prior notification.
All trademarks in this manual are property of Danfoss Semco A/S. Danfoss Semco A/S logotype is
a registered trademark and is property of Danfoss Semco A/S. All rights reserved.
Liability1.3
This manual is prepared for system owners, operators and occupants (hereinafter referred to as End
User) of the SEM-SAFE®High-Pressure Water Mist Pump Unit that will perform periodic
scheduled test and maintenance of the pump unit.Test and maintenance must be done according to
this manual, which specifies daily, weekly, monthly and annual check procedures. These tasks shall
be performed only by personnel who have developed competence through for example training and
experience. The pump unit must be serviced by an approved installer at least once per year.
The SEM-SAFE®High-Pressure Water Mist Pump Unit is intended for use only in accordance with
the instructions in this manual. Any use which is not consistent with the content of this manual is
considered incorrect. Operation and maintenance of the SEM-SAFE®High-Pressure Water Mist
Pump Unit shall be carried out in accordance with this manual. It is the responsibility of the End User
to ensure that requirements in this manual comply with applicable legislation in the area where the
SEM-SAFE®High-Pressure Water Mist Pump Unit is used.
The End User shall ensure that the fire risk has not changed after the system and thus the SEM-
SAFE®High-Pressure Water Mist Pump Unit was installed and the system / application became
operational. The End User shall also ensure that all necessary information is available and if any doubt
exists, it is the responsibility of the End User to verify with Danfoss Semco A/S.
Danfoss Semco A/S cannot be held responsible for SEM-SAFE®High-Pressure Water Mist Pump
Units that have not been operated, maintained or used in accordance with this manual.
Health and safety1.4
Danfoss Semco A/S health and safety procedures and environmental policies according to OHSAS
18001, ISO 14001 and rules and regulations on the local territory shall be strictly followed.
Furthermore, it is the End User’s responsibility to ensure that territorial legislation and on-site
safety regulations are followed during operation and maintenance of the SEM-SAFE®High-
Pressure Water Mist Pump Unit.

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Reservation clause1.5
Danfoss Semco A/S can accept no responsibility for possible errors in catalogues, brochures and
other printed material.
Danfoss Semco A/S reserves the right to alter its products without notice. This also applies to
products already on order provided that such alterations can be made without subsequent changes
being necessary in specifications already agreed.