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Hydro EN
Grundfos firefighting systems
Installation and operating instructions
Hydro EN
Installation and operating instructions
(all available languages)
http://net.grundfos.com/qr/i/99901851
GRUNDFOS INSTRUCTIONS

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Summary of Contents for Grundfos Hydro EN

  • Page 1 GRUNDFOS INSTRUCTIONS Hydro EN Grundfos firefighting systems Installation and operating instructions Hydro EN Installation and operating instructions (all available languages) http://net.grundfos.com/qr/i/99901851...
  • Page 3 Hydro EN English (GB) Installation and operating instructions ............4...
  • Page 4: Table Of Contents

    General safety warnings ..... . 5 The symbols and hazard statements below may appear in Grundfos installation and operating instructions, safety instructions and System introduction .
  • Page 5: General Safety Warnings

    Before starting any operations, read carefully all the documentation and manuals delivered with the system. The Hydro EN systems for automatic sprinkler systems are in compliance with the requirements of EN 12845 - Fixed firefighting The terminals and wires upstream the main switch of systems - Automatic sprinkler systems - Design, installation and the control cabinet are live even if the switch is in OFF position.
  • Page 6 Jockey pump Each pump installed in the system, regardless of jockey or duty pump either driven by electricity or diesel, is operated and A jockey electric pump (always included), operated by a dedicated controlled through a dedicated control cabinet. control cabinet, automatically guarantees system pressurisation in The operating modes must be set individually on each control case of small leaks, to prevent unjustified start-up of the duty pumps.
  • Page 7: Identification

    Product number frame of the system. Serial number List of pumps included in the system and the drive type of the pumps Model: Hydro EN 40-250/230 YJS ADL-U3-A 99844380 Part number: Country of origin Serial number: B6042GIT 122023 Production order:...
  • Page 8 (one per each control cabinet placed on the side of the cabinet or the inner side of the front door, depending on the model). 2.2.2 Type key Example: Hydro EN 50-250/263-Y JS A SD-U3-B-X Code Explanation Designation...
  • Page 9: Receiving The System

    All systems are supplied as factory-tested. The wooden cage shape of the system. contains: ‐ Handling operations must be carried out by qualified • 1 Hydro EN system and authorised persons. • installation and operating instructions in digital format CAUTION - for the system...
  • Page 10: Installation Requirements

    4. Installation requirements Refer to the system design for the information of the room installation, specifically for the construction works, ventilation, air exchange, power supply system and the evacuation of the exhaust gases of the diesel engine. The installation must be carried out timely by specialists appointed by the client in compliance with relevant regulations and provisions.
  • Page 11: Diesel Pumps With Direct Air Cooling

    4.1.1 Minimum space 4.3 Diesel pumps with water/water heat exchanger The pictures below give an indication of the minimum free space In the system, the cooling of liquid-cooled engines is provided by to be left around the system. a water/water heat exchanger with an expansion tank. When the engine is warm, a pressure, which will cause hot liquid to be discharged by extreme forces, is created in the cooling circuits.
  • Page 12: Diesel Tank With Containment Basin And Vent Connection

    4.4 Diesel tank with containment basin and vent Pos. Description connection Outlet of the cooling flow CAUTION Isolating valve: Normally open Toxic material Bypass isolating valve: Normally closed Minor or moderate personal injury ‐ The fuel vent pipe must be installed properly and The bypass line must only be used for make sure that all the parts are firmly supported, and service purposes.
  • Page 13: Exhaust Gas Outlet Of The Diesel Pumps

    4.5 Exhaust gas outlet of the diesel pumps 4.6 Exhaust back pressure WARNING Wrong sizing of the exhaust pipe can affect correct Toxic material operation of the system. Death or serious personal injury ‐ The exhaust pipe and the muffler must be installed The exhaust gases must be discharged from the technical room properly so that all the parts are firmly supported avoiding long ducts.
  • Page 14: Mechanical Installation

    5. Mechanical installation Do not step or walk on the components of the system. WARNING Crushing of hands Death or serious personal injury ‐ All pipes must be supported. Do not place other parts or equipment on the system components. ‐...
  • Page 15: Foundation And Anchorage

    5.1 Foundation and anchorage 6. Electrical installation WARNING WARNING Crushing hazard Electric shock Death or serious personal injury Death or serious personal injury ‐ The anchoring system must guarantee the stability ‐ The design of the electric system and the electrical and alignment of the system over time and have installation must be carried out by a qualified mechanical characteristics such as withstanding static...
  • Page 16: Functional Diagram

    7. Functional diagram Functional diagram Pos. Connection/description Symbol Description Independent inlet connection for the duty electric pump Concentric divergent Independent inlet connection for the standby diesel pump Inlet connection for the jockey pump Eccentric divergent Recirculation circuit connection for the duty or standby electric pump Grooved coupling Recirculation circuit connection for the duty or standby diesel pump with direct air cooling...
  • Page 17: Commissioning The System

    8. Commissioning the system 9. Startup CAUTION WARNING Pressurised system Automatic startup Minor or moderate personal injury Death or serious personal injury ‐ ‐ Before filling and pressurising the pipes, make The system can start up automatically at any time. The sure that all the hydraulic connections are properly operating noise level of the system is high and the tightened and there are no open circuit parts.
  • Page 18: Priming The Pumps

    Alignment of the duty electric pumps 9.2 Priming the pumps WARNING Crushing hazard Before starting the priming operations, read Death or serious personal injury the installation and operating instructions. ‐ Check regularly the alignment of the spacer coupling based on the operation time. CAUTION The coupling between the pump and electric motor is operated via Electric shock...
  • Page 19: Control Functions

    10. Control functions 10.1.1 Operating modes of jockey pump Manual operating mode 10.1 Operating panel for the jockey pump Start the pump manually by pressing and holding the START The jockey pump is controlled by a dedicated panel that button. The pump stops once the START button is released. automatically manages the operation of the pump based on the state in a low-voltage powered pressure switch, isolated from the Automatic operating mode...
  • Page 20 10.1.4 Jockey pump protection against dry-running Factory LED (mode) Alarm effect Reset The jockey pump control cabinet is designed for dry-running setting protection. Thermal overload This function is disabled at the factory. The factory setting is DRY % Alarm condition: the motor current is higher than the set value trimmer set on value zero and physical jumper on the terminal (with trimmer AMP %).
  • Page 21: Operating Panel For The Duty Electric Pump

    10.2 Operating panel for the duty electric pump Factory LED (mode) Alarm effect Reset setting The duty electric pumps are controlled by an independent operating panel which provides easy reading of the measurement instruments Prolonged operation and signals from a single observation point. Alarm condition: the pump runs continuously for more than 8 The starting of the electric motors is available as standard in the hours.
  • Page 22 The user interface of the EPC 300 control unit shows the following 10.2.3 Testing the pressure switches for electric pump signal lights and operating buttons: Two pressure switches for each duty pump are required on the system, as specified in the EN 12845 standard. The operation of every single pressure switch must be checked regularly, and for this reason the control cabinets are equipped with Manual START button...
  • Page 23 10.2.5 Automatic stop function for electric pump 10.2.6 Signalling outputs (potential-free contacts) for duty electric pump In some countries and for specific applications, it is allowed for the duty pump to stop automatically. The outputs listed below in accordance with the EN 12845 standard are provided for supervising the system from a control room: When this function is enabled, the duty pump stops automatically when the pressure in the system exceeds the stop threshold of the...
  • Page 24: Operating Panel For The Duty Diesel Pump

    10.3 Operating panel for the duty diesel pump The control interface has a backlit LCD display, so you can read it even when the room lighting is poor. By means of the light signals, The duty diesel pump is controlled by an independent operating the system status is always under control.
  • Page 25 10.3.1 Functions of buttons on the LCD display 10.3.2 Manual operating mode of diesel pump The following buttons can be found on the LCD multifunction 1. Set the operating mode selector to TEST. display of the operating panel: 2. Start the engine by pressing the engine START button. 3.
  • Page 26 10.3.5 Testing the pressure switches for diesel pump 10.3.8 Automatic stop function for diesel pump In some countries and for specific applications, it is allowed for Two pressure switches for each main pump are required on the duty pump to stop automatically. the firefighting main pump sets, as specified in the EN When this function is enabled, the duty pump stops automatically 12845 standard.
  • Page 27 10.3.11 Freely accessible parameters 10.3.13 Calibrating the engine speed DANGER Parameter Description Crushing hazard Italian, English, French, German, Spanish, Death or serious personal injury Portuguese, Czech, Polish, Hungarian, ‐ Under no circumstances should the system be Language Slovak, Swedish, Finnish, Danish, operated, when the belt guard is not in place and Norwegian, Dutch, Serbo, Romanian, suitably secured.
  • Page 28 The operating panel of the diesel pump can be connected with pump cannot be stopped by any alarm. The duty pump remote devices such as, for example, the Grundfos remote can only be stopped manually unless in applications with acoustic-visual alarm.
  • Page 29: Service

    11. Service WARNING Crushing hazard 11.1 Maintenance Death or serious personal injury ‐ Any kind of maintenance on the system must be DANGER performed by qualified and authorised persons. Electric shock ‐ Death or serious personal injury Maintenance performed by unqualified persons or incorrect use can cause serious damage to the system ‐...
  • Page 30: Verification And Checks

    11.2 Verification and checks 11.2.2 Duty diesel pump WARNING WARNING Crushing hazard Automatic startup Death or serious personal injury Death or serious personal injury ‐ ‐ Check regularly if all the screws are in place and The system can start up automatically at any correctly tightened.
  • Page 31: Storage

    The Grundfos dedicated kit (optional) includes a shut-off valve, a flowmeter and a control valve. The configuration and 2. Excessive pressure indicates that there is an obstruction in the measurement accuracy of the flowmeter correspond to heat exchanger or in the output of the circuit.
  • Page 32: Fault Finding

    13.3 The thermal relay trips (only for jockey pump) Cause Remedy Too much energy consumption • Replace the motor. Contact due to defective motor winding. Grundfos Service. The pump is under strain. • Dismantle and clean the pump.
  • Page 33: Technical Data

    15.2 Disposing of the system This system or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop.
  • Page 34 Unit 1, Ground floor, Siu Wai industrial Turkey www.ba.grundfos.com Centre GRUNDFOS Pumps NZ Ltd. GRUNDFOS POMPA San. ve Tic. Ltd. Sti. E-mail: grundfos@bih.net.ba 29-33 Wing Hong Street & 68 King Lam 17 Beatrice Tinsley Crescent Gebze Organize Sanayi Bölgesi Street, Cheung Sha Wan...
  • Page 35 99901851 03.2024 ECM: 1384752 www.grundfos.com...

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