Summary of Contents for Siemens Energy Subsea DigiTRON
- Page 1 DigiTRON Installation, Operations and Maintenance Manual IOM-007 Rev 4 DigiTRON EDU Assemblies Protection, Storage, Shipment, Unpacking, Deployment and Maintenance Instructions Siemens-energy.com Unrestricted...
- Page 2 Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 2 of 36 DigiTRON EDU Assemblies Protection, Storage, Shipment, Unpacking, Deployment and Maintenance Instructions Unrestricted...
- Page 3 Revision: Page: 3 of 36 Foreword Thank you for purchasing a Siemens Energy Subsea product. The information contained in this document is an overview including the protection, storage, shipment, unpacking, deployment and maintenance Electrical Distribution Units. IMPORTANT READ CAREFULLY BEFORE USE...
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Page 4: Table Of Contents
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 4 of 36 Contents PRODUCTS COVERED BY THIS MANUAL ................. 6 BASIC INFORMATION & QUICK REFERENCE ..............7 Product overview ......................7 Product specification and certification ..............8 Contact details and feedback ..................9 Product advice label .................... - Page 5 Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 5 of 36 Product protection; caps and dummy connectors ..........30 Live Mate / De-mate ....................33 Removal of marine growth and calcareous deposits ..........34 CUSTOMER COMMENTS/FEEDBACK ................35 Tables Table 1 List of other Installation, Operation and Maintenance manuals related to DigiTRON+ product range ................
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Page 6: Products Covered By This Manual
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 6 of 36 PRODUCTS COVERED BY THIS MANUAL This document is an overview of the protection, storage, shipment, unpacking, deployment, and maintenance instructions for Electrical Distribution Units (EDU’s). Products covered by this IOM can be readily identified visually, all looking very similar to the examples given section 2.7. -
Page 7: Basic Information & Quick Reference
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 7 of 36 BASIC INFORMATION & QUICK REFERENCE Product overview DigiTRON+ EDU’s intended use is communication and distribution of low voltage between pieces of electrical equipment that are submerged in water, e.g. subsea. The product utilizes the DigiTRON+ range of connectors. -
Page 8: Product Specification And Certification
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 8 of 36 Product specification and certification Basic specifications relating to all products covered by this manual are below in Table 2. Additional specifications can be found in section 5. Design Life: 30 years in subsea environment Rated voltage 1,000Vac pin-ground, 2,000Vac pin-pin... -
Page 9: Contact Details And Feedback
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 9 of 36 Contact details and feedback For additional information or questions regarding the products visit the Siemens website www.siemens-energy.com /search Subsea, or contact the following: Department E-mail address subsea.connectors.productsafety.gb@siemens- Product Safety Officer energy.com Technical Support connectortechnicalsupport.gb@siemens-energy.com... -
Page 10: Product Advice Label
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 10 of 36 Product advice label The following product advice label is supplied with all Siemens Energy subsea products. Figure 1 Product advice label Unrestricted... -
Page 11: Product Marking
11 of 36 Product marking Siemens Energy EDU products are marked with the Siemens Energy part number and unique serial number. Also, the voltage, temperature and water depth ratings are indicated. Typically, these are etched on a yellow-coloured label permanently attached to the product, refer to Also, similar information relating to each connector is etched onto the connector metal body, refer to Figure 2. -
Page 12: Product Examples
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 12 of 36 Product examples Product identification label Figure 3 EDU Examples featuring Diver Mateable & ROV Connectors Figure 4 Example of a different EDU configuration Unrestricted... -
Page 13: Product Safety
13 of 36 PRODUCT SAFETY Siemens Energy Subsea recommends that the termination of all equipment shall only be undertaken by trained, suitably qualified and experienced personnel (SQEP) i.e. competent person. Following installation, commissioning or deployment of product, if you have any feedback please complete and return the Customer Comments/Feedback form (Section 10). -
Page 14: General Safety Information
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 14 of 36 General safety information Installation by competent persons only The installation, inspection, maintenance, and repair of the product shall be undertaken by trained, suitably qualified and experienced personnel (SQEP) i.e. competent person, to carry out a specified activity. - Page 15 Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 15 of 36 Danger! Risk of death from electric shock due to unscreened cables. Do not touch electrical wires while energised. Ensure all test procedures are followed. Danger! Risk of death from electric shock from any exposed conductors due to stored electrical energy, e.g.
- Page 16 Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 16 of 36 Ensure all testing of products both factory and deployed in-field have been completed by competent persons. Warning. Risk of eye/bodily injury caused by released pressure during product disassembly, in the event of retrieval from subsea with a fault that causes depth pressure to be trapped inside the product.
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Page 17: Related Documents
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 17 of 36 Related documents Installers shall carry out a full site risk assessment and put into place all necessary steps and procedures to comply with applicable area, regional, national or international health and safety legislation, e.g. -
Page 18: Abbreviations
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 18 of 36 ABBREVIATIONS °C Degree Celsius Ampere Alternating Current American Petroleum Institute Community European COSHH Control of substances hazardous to health Cathodic Protection Direct Current Drawing Electrical Distribution Unit Electrical Flying Leads Electrical Magnetic Field Metres Max. -
Page 19: Specifications
Actual product may vary. Please refer to product specific data sheet(s), website www.siemens-energy.com /search Subsea, or contact Siemens Energy Technical Support connectortechnicalsupport.gb@siemens-energy.com for more detailed information. General specification of the product is listed in section 2.2, with the following additional specification for Diver Mate &... -
Page 20: Preparing Product For Use Or Storage
For information related to transportation of DigiTRON+ connectors and EFL’s associated with the EDU, please refer to Siemens documents IOM-001 and IOM-002, available on Siemens Energy website. Lifting The EDU is too heavy for a one-person lift. - Page 21 Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 21 of 36 Connector may be fitted with a back plastic Topside Protective Cap (Figure 13), which is available to purchase separately (customer preference). These caps provide a higher degree of mechanical protection to the connector than the transport caps.
- Page 22 Repackaging to prevent damage in transport In the event of a requirement to return the EDU back to Siemens Energy, it should be transported in its dedicated transit box. Transport or topside protective cap should be fitted to the connector(s) and...
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Page 23: Installation And Assembly
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 23 of 36 INSTALLATION AND ASSEMBLY If in doubt contact Siemens Technical Support connectortechnicalsupport.gb@siemens.com more detailed information. Cathodic protection The EDU body is made from thermoplastic material, hence is not susceptible to subsea corrosion. However, the connectors and fixing are 316L stainless steel, and must be protected by the host structures CP system at all times. -
Page 24: Figure 5 Test Connectors For Rov (Left) & Diver Type (Right) Connectors
Caution. Risk of material damage. Test connectors should never be used in water. There is a high change of damage to the test connector and also to the connector under test. Below are some images of standard Siemens Energy Subsea test connectors. Figure 6 Test connectors for ROV (left) &... -
Page 25: Installation Of Junction B And Mounting Brackets
The EDU is designed to be mounted and deployed in a horizontal position only. It is critical the brackets for the EDU are installed as identified on DRG T31014. For other product variants, please refer to specific drawing, available from Siemens Energy Technical Support connectortechnicalsupport.gb@siemens.com. -
Page 26: Figure 7 Earth Straps Secured Under Bracket Mounting Screws
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 26 of 36 Apply a spot of Loctite 243 to the threads of the cap head screws. Fix the EDU to the structure with 4x M8 screws, torque to 10-12Nm (7.38 – 8.85 lbf.ft) Earth straps secured under mounting screw Earth straps secured under... -
Page 27: Figure 9 Iso View Of Edu Indicating Mounting Screw Positions
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 27 of 36 Note: Fit the earth straps under the required mounting screws and torque to 10Nm (7.38 lbf.ft). See Figure 10. Figure 10 ISO view of EDU indicating mounting screw positions Route and fit CP connecting bonding strap to host structure and secure with 2 off item SC-M8*20 cap head screws fitted with the supplied M8 washers torque to 10Nm (7.38 lbf.ft). -
Page 28: Installation Of Efls Onto The Edu
Refer to figure 5. The Body of the ROV EDU is required to be connected to CP system by means of an earth strap. Installation of EFLs onto the EDU Refer to Siemens document IOM-001, available on Siemens Energy website, for all information relating to EFLs and how to mate diver and ROV operated connectors. Unrestricted... -
Page 29: User Information During Normal Operation And Fault Conditions
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 29 of 36 USER INFORMATION DURING NORMAL OPERATION AND FAULT CONDITIONS Visible/audible signals There are no visible or audible signals from the product during use that identify particular operations to the user. The product should be silent during operation and its appearance should not change. -
Page 30: Product Operation And Maintenance
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 30 of 36 PRODUCT OPERATION AND MAINTENANCE Safety precautions Before use, read section 3 on product safety advice. Product maintenance and servicing DigiTRON+ products require zero maintenance for their 30-year subsea lifetime and up to 250 subsea mate and de-mate cycles. -
Page 31: Figure 12 Typical Transport Caps (Left) And Topside Protective Caps
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 31 of 36 Figure 13 Typical Transport Caps (left) and Topside protective caps Caution. Risk of material damage. If storage is carried out in saline conditions, e.g. on a ship’s deck or hold, then a Subsea Environment Cap or Dummy Plug connector should be used to protect the receptacle pins from corrosion. -
Page 32: Figure 14 Diver & Rov Operated Subsea Caps
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 32 of 36 Figure 15 Diver & ROV operated Subsea Caps Figure 16 Diver & ROV operated Subsea Environmental Caps and Dummy Connectors, flying and flanged types. Unrestricted... -
Page 33: Live Mate / De-Mate
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 33 of 36 Live Mate / De-mate The connectors are not designed to be mated or de-mated while electrically energised. Depending on the type of electrical load, the following advice should be followed. Danger! Risk of death from electric shock due to exposed live pins, e.g. -
Page 34: Removal Of Marine Growth And Calcareous Deposits
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 34 of 36 Removal of marine growth and calcareous deposits To remove calcite growth from Siemens Subsea connectors, a solution of 50% Citric Acid is recommended. All seawater exposed elastomeric materials in Siemens Subsea connectors have been fully tested against 50% Citric Acid and are compatible for a duration of 1 hour. -
Page 35: Customer Comments/Feedback
Document No: IOM-007 Issue Date: 20/06/2022 Revision: Page: 35 of 36 CUSTOMER COMMENTS/FEEDBACK Please complete the Sign Off section at the bottom of form to confirm each page of this document has been read and complied with in full. Originator Name and Initials (BLOCK CAPITALS) Date ... - Page 36 The requested performance features are binding only when they are expressly agreed upon in the concluded contract. Unrestricted Siemens Energy is a trademark licensed by Siemens AG...
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