Enapter EL Owner's Manual
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Enapter EL Owner's Manual

Electrolyser
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Owner's Manual
Electrolyser
Rev. 00 – September 2021

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Summary of Contents for Enapter EL

  • Page 1 Owner’s Manual Electrolyser Rev. 00 – September 2021...
  • Page 2 Version Document Title Release Date EL – Owner’s Manual 2021-09-22 HANGE HISTORY Rev. Status Date Revision memo Created/changed by 21/09/2021 First approved version Philipp Endres EL – Owner’s Manual – Rev.00 – September 2021...

  • Page 3: Preface

    Thank you for choosing Enapter. Please study this manual carefully before unpacking, installing, and operating the device. If you have any further questions, please contact the Enapter customer support team. Quote the device serial number and hardware number on the back of the device to help identifying your product quickly.
  • Page 4 Operator: The operator is the responsible person in charge who operates, installs, connects, maintains, and/or owns the device, its subcomponents, and additional components. To simplify reading, this document only refers to the operator to distinguish from Enapter but may also include the user, customer, client, owner, installer, instructor, system integrator or persons who are responsible for a safe operation of the device.

  • Page 5: Table Of Contents

    Appendix I. Hydrogen Leak Testing ......................35 Appendix II. Preparing the electrolyte solution ..................36 Appendix III. Draining the electrolyser ....................38 Appendix IV. LED States.......................... 39 Appendix V. Error Codes......................... 39 EL – Owner’s Manual – Rev.00 – September 2021...

  • Page 6: Overview Of The Electrolyser

    VERVIEW OF THE LECTROLYSER Enapter’s patented anion exchange membrane (AEM) electrolyser is a standardised, stackable, and flexible device to produce hydrogen. The modular, easily maintainable design – paired with advanced software integration – allows set up in minutes and remote control and management.
  • Page 7 The device can be connected to the local network via Bluetooth and Wi-Fi, enabling real-time updates and monitoring for the operator via the Enapter App and cloud. A miniature antenna can be attached to this port to increase the amplification.

  • Page 8: Safety Instructions

    • Caused by improper installation Regarding design and installation, the operator must follow Enapter’s installation rules, and ensure full compliance with local safety guidelines and regulations. It is the operator’s responsibility to regularly check and maintain all outlet lines, as well as to keep the lines free of ice or other obstructions.
  • Page 9 Any person working on the device must be familiar with the hazards and risks associated with installing, commissioning, and running the device and attached devices. Do not store the device at temperatures below 1°C. EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 10 Do not attach filled tanks or other equipment with pressures higher than the device’s maximum outlet pressure to the H outlet of the device. Do not attach hydrogen sources other than the electrolysers specified by Enapter. Make sure that the H purge line is never obstructed.

  • Page 11: List Of Hazards

    Operators must comply with the general safety principles during the handling phases. In particular: Caution! Before handling, moving, and commissioning the device – assess the hazards of the operation and study the manual. Appropriate PPE must be worn, such EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 12 Always turn off the power supply when the device is being cleaned, maintained, or transported. Any servicing, other than cleaning and routine user maintenance, must be performed by trained, Enapter-endorsed technicians. EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 13 Substance: Potassium Hydroxide CAS no.: 1310-58-3 EC no.: 215-181-3 Classification: C. R Phrases: R22, R36/38, R43, R42 S Phrases: S24-37, S39, S62 (see Safety Material Data Sheet included in the shipment) EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 14 Thermal hazards such as burns and scalds from contact with high-temperature surfaces can be prevented by following the following safety instructions: • Never open the device unless you have been specially trained for service by Enapter. • Ensure the device can only be accessed by authorised and trained personnel.

  • Page 15: Installation Of The Electrolyser

    The device has been carefully inspected and tested before shipping. Visual checks for damage and functional tests should be performed upon receipt. Please do not dispose the original shipping materials. Enapter will not accept devices if they are returned without the original shipping boxes or equivalents for a safe transport. In case that you cannot keep the shipping boxes, please recycle responsibly.

  • Page 16: Implementing System Safety

    The operator must ensure that the outlets satisfy all relevant local rules and regulation, in terms of noise emission, risk assessments, maintenance and all other relevant areas. EL – Owner’s Manual – Rev.00 – September 2021...

  • Page 17: Instructions For Connecting Stainless Steel Tubes

    ISO/TR 15916:2015: Basic considerations for the safety of hydrogen systems Or follows the recommendations of Enapter for systems consisting of up to ten electrolysers and two dryers. The safety area is cylindrical and has a height of 10 meters and a radius of 5 meters.
  • Page 18 All pressurised connections must be inspected and checked for leakages. Failure to do so significantly increases the risk of explosion. Enapter declines responsibility for any damage caused by improperly installed equipment. EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 19 Purging is necessary to release the water which has been extracted from the hydrogen. H2 OUT and H2 PURGE EL2.1 LC with common H2 PURGE EL2.1 NB DC with common H2 PURGE EL – Owner’s Manual – Rev.00 – September 2021...

  • Page 20: Instructions For Connecting Plastic Tubes

    Attention! If a backpressure inside the line builds up, the device will get permanently damaged. Enapter is not responsible for any damage caused to the device from mismanaged piping arrangements. NSTRUCTIONS FOR CONNECTING PLASTIC TUBES Cut the tube perpendicular to the axis and remove sharp edges. Ensure the outside diameter is free of score marks, and the cut is perpendicular across the tube.
  • Page 21 Enapter is not responsible for any damage caused to the device from mismanaged piping arrangements. EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 22 The oxygen vent outlet must lead to a safe area. The water from the water trap can be drained safely. Warning! The gaseous outputs from the oxygen vent and the hydrogen purge must be kept separated. Mixing of these outputs results in an explosive atmosphere. EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 23 Install filters at the water inlet of the device and clean them regularly to ensure that the water is free of particles. If a device is damaged from using low-quality water, Enapter is not responsible for any damage caused.
  • Page 24 For connecting the cooling loop of the EL2.1 LC please consider the following instructions. For air- cooled devices, these instructions are not relevant. Flush all water pipes with clean water before connecting your device to ensure no debris is in the lines. EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 25 The cooling agent must be compatible with 1.4301 stainless steel and LLDPE, free of particles and be usable at up to 60°C. Depending on the ambient temperature, a frost protection agent may need to be added. To further increase device reliability, install the filter supplied by Enapter on the cooling line inlet of the device.
  • Page 26 The pressure drop inside the device is up to 118 kPa @ 7 L/min (at the worst conditions). It is the operator’s responsibility to correctly size the liquid-liquid/liquid-air heat exchanger and cooling agent pump. EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 27 Ensure water pressure on the input line never exceeds 7 barg. This can cause irreparable damage to the device and create significant leakages. Enapter is not responsible for any damage or injury resulting from the misuse of Enapter products. Ensure the cooling agent pump can supply at least the minimum required flow rate.

  • Page 28: Electrical Connection Guide (Power)

    Switch the level of the breaker to the upper position to power supply the device. However, Enapter still recommends installing a protective device against overload and short circuits on the power supply line; it must be selected in relation to the devices maximum power consumption and in compliance with all local and national safety requirements.
  • Page 29 The pins are, from top to bottom, S2, COM2, S1, COM1. This allows the device to not only receive a dry contact signal but also to pass it on to the next Enapter device, allowing the operator to daisy chain as many Enapter devices as wanted to a common safety signal.
  • Page 30 To disable the dry con chain functionality, insert the dry con jumper with the red connection cable in the lower part of the socket labelled with “DRY CON” like shown in the picture. DRY CON connectors DRY CON. connector EL – Owner’s Manual – Rev.00 – September 2021...

  • Page 31: Initial Operation Of The Electrolyser

    It is time to power on the device for the first time. Switch the breaker at the top of the front panel in the upper position to switch the device on. Using the Enapter app, add your device to a site. For detailed information on this, please refer to the mobile application handbook.
  • Page 32 You can check this by looking at the status of LSL102D_in (Low electrolyte level) in the Cloud: it is “false“ (red) if the tank is empty. If not – please contact the Enapter customer support team. Do not leave the device powered on and unattended while in Maintenance mode.
  • Page 33 For more information, refer to Appendix III below. Collect the liquid in an appropriate container and place in a chemical waste container. Do not flush to sewer. Dispose of the liquid in compliance with applicable local regulations. EL – Owner’s Manual – Rev.00 – September 2021...

  • Page 34: Control, Functions And System States Of The Electrolyser

    Modbus interface. For more information on this, please refer to the online Enapter handbook. Maintenance Mode Maintenance mode can be manually enabled using the Enapter App. It is used to safely fill and drain the device, as well as to guide you through inspection and other routine maintenance tasks. Please...
  • Page 35 If the pressure on the hydrogen line outside the electrolyser is higher than 25 barg the blowdown routine will not take place. EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 36 To activate Safety Heartbeat via Gateway: Connect the device to the Gateway Configure Safety Heartbeat on the Gateway To activate Safety Heartbeat via Modbus, follow the heartbeat instructions for Modbus. EL – Owner’s Manual – Rev.00 – September 2021...

  • Page 37: Enapter Monitoring Tools

    The device comes with a preinstalled UCM (Universal Communication Module), to monitor and manage the device. Various sensor data from the devices is stored in the Enapter Cloud in a time- series database and provides real-time or on-demand visualisation of collected data on customisable dashboards.

  • Page 38: Maintenance Of The Electrolyser

    Routine Maintenance The device should be inspected at least once a year for apparent signs of physical deterioration. All hydrogen connections must be tested for leakages regularly; Enapter recommends using one of the techniques listed in the Appendix After commissioning, the process tank must be emptied at least once a year and new electrolyte filled into the device.
  • Page 39 Disposal Enapter is fully committed to recycling the devices and its components. Please return the device to Enapter at the end of life, where the device will be fully recycled. By ensuring this product is correctly recycled, you will help to further reduce your impact on the environment and aid us in making the world cleaner and greener.

  • Page 40: Appendix

    Pros Cons • • Useful for final verification during Cannot detect exact leakage source • device commissioning Cannot grade leakage rates accurately • Can verify several connections at the same time EL – Owner’s Manual – Rev.00 – September 2021...

  • Page 41: Appendix Ii. Preparing The Electrolyte Solution

    4, perform another visual check to see if any other debris may be visible. Fill 3.6 L of demineralised water with a conductivity below 20 µS/cm at 25⁰C into the KOH resistant container. EL – Owner’s Manual – Rev.00 – September 2021...
  • Page 42 KOH pellets added to the solution, according to the KOH purity purchased. Fill the KOH into the container with the demineralised water. The solution will get warm! Immediately stir the solution or mix it around the container with the lid firmly closed. EL – Owner’s Manual – Rev.00 – September 2021...

  • Page 43: Appendix Iii. Draining The Electrolyser

    The module must be drained for transport, installation and before the routine changing of the electrolyte in the device to prolong its lifetime. To do this the device must be first switched into Maintenance Mode, using Enapter mobile app or cloud. Follow the steps outlined on the app or use the instructions below.

  • Page 44: Appendix Iv. Led States

    Interface” and then “Warning, Error and Fatal Error Codes” to access all warning and errors. E.g. the warnings and errors for the firmware version 1.6.1 can be found here. For the warnings and errors, which can appear while using the dryer, use this list. EL – Owner’s Manual – Rev.00 – September 2021...

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