Siemens TC3A-107, Installation, Operation & Maintenance Manual

Page 1: ...d Similar EDUs Page 1 of 19 Document No IOM 007 Title IOM TC3A 107 and Similar EDUs Installation Operation Maintenance Manual For TC3A 107 Disconnectable junction box and associated diver EFL S and similar EDUs Created By Paul Westwell Revision Number 02 ...

Page 2: ...IOM 007 Installation Operation Manual for TC3A 107 and Similar EDUs Page 2 of 19 REV SECTION CHANGE DESCRIPTION 01 INITIAL RELEASE 02 Updated for use with similar EDUs Document Holds ...

Page 3: ...CAL FLYING LEADS DESIGN 7 9 CATHODIC PROTECTION 7 10 INSTALLATION DEPLOYMENT 8 10 1 Pre installation checks for EFL s and EDU 8 10 2 Installation of Junction box and mounting brackets 8 11 INSTALLATION OF EFLS 12 11 1 Equipment required 12 11 2 Live Mate De mate 13 11 3 Diver connectors 13 12 TESTING OF EFL S 15 13 DIGITRON CONNECTOR SPECIFICATION 16 14 AQUATRON HOSE SPECIFICATION 18 15 MAINTENANC...

Page 4: ...to be detailed can be recorded in the punch list at the rear of the document Sensor installation shall be covered by manufacturer specific procedures 3 ABREVIATIONS A Ampere AC Alternating Current Assy Assembly API American Petroleum Institute AWG American Wire Gauge BOM Bill of Material C Degree Celsius CE Community European Comms Communication Signal CP Cathodic Protection DC Direct Current DWG ...

Page 5: ...iemens com and or complete and return the punch list in section 16 5 PROTECTION HANDLING AND SHIPMENT INCLUDING FROM CUSTOMERS Siemens Subsea connectors are manufactured primarily from materials such as 316L stainless steel UNS S31603 and Super Duplex stainless steel UNS S32550 and as such are designed to withstand harsh saliferous environments However the connector insert and exposed parts are su...

Page 6: ...ction caps until connectors are ready for installation On removal do not allow the hoses to drag over the edges of the packing crate Connectors Equipment supplied in boxes must be stored in the box 7 STORAGE 7 1 Short Term Connector Storage Prior to installation the connectors are sensitive to environments where grit and dirt are present To prevent ingress of the above they should be stored in a c...

Page 7: ... developed for long term reliable signal and low power control system applications associated with offshore installations The underwater mate able capacity of these connectors is achieved using pressure compensated electrical inserts employing the CE principle All mild steel sealing surfaces shall be inlayed with Inconel 625 or similar with no additional protection e g CP Paint etc required This i...

Page 8: ... this document and where possible take photos of any issues that need to be recorded and inform Technical Dept Before mating the receptacle connector should be checked for debris The connectors have been designed to accommodate sand and silt contamination however large pieces of debris should be removed Use a water jet if subsea Before mate demate all power is to be switched off The DigiTRON range...

Page 9: ... 50mm for mounting interface hole positions tol 0 25mm Figure 2 ref Indicates distance of 182 00mm for mounting interface hole positions tol 0 25mm 2 Drill interface holes for CP connection in mating structure for 2 x earth straps supplied length max 1 meter 2 off M8X1 25 6H TAPPED HOLES MIN THREAD LENGTH 20mm See fig 3 ...

Page 10: ...earth straps secured under bracket mounting screws 4 In the event that the brackets are not installed to the junction box body these will need to be assembled and installed If applicable Assemble brackets to the body taking into account the anti rotation peg is to be situated on the underside of the unit and locates into a recess in the body Tighten the M6 fasteners to 3 5Nm to complete the bracke...

Page 11: ...under the required mounting screws and torque to 10Nm See Fig 6 Figure 6 ISO view of box indicating mounting screw positions for reference 6 Route and fit CP connecting earth strap to structure via the previously drilled interface holes detailed in step 2 and secure with 2 off item SC M8 20 cap head screws fitted with the supplied M8 washers torque to 10Nm M8 screws for fixing to structure M6 Scre...

Page 12: ...x is only designed to operate in a fixed horizontal position only This completes the installation of the Junction box Figure 8 Shows junction box installed on structure 11 INSTALLATION OF EFLS The following section will provide information for the correct installation of the required EFL s 11 1 Equipment required A 2 3 C spanner or purpose made Tronic tool T11367 may be used Secure earth straps to...

Page 13: ...he inserts Note The maximum number of live mate demate operations under the above conditions is ONE only NOTE 28 DAYS IS THE MAXIMUM CUMMULATIVE ALLOWABLE EXPOSURE OF UNPROTECTED CONTACT PINS TO SEAWATER OVER THE LIFE OF THE CONNECTOR THIS ONLY APPLIES WITH POWER OFF 11 3 Diver connectors Alignment These connectors have been designed to self align during mating All that is required is to ensure th...

Page 14: ...367 may be used to apply this torque Post Mating Checks Full engagement of the connectors can be checked through the viewing hole in the clamp ring If the connectors are fully mated then no gap should be visible between the plug and receptacle Cathodic Protection Stainless steel 316L UNS S31603 diver mate connectors must be connected to the CP Cathodic Protection system at all times Super Duplex s...

Page 15: ...er receptacle connector 12 TESTING OF EFL S The appropriate test connector must always be used to make electrical contact during testing UNDER NO CIRCUMSTANCES should a foreign object such as a screwdriver test probe or crocodile clip be used as a test connection as this could damage the seals and insulation Such actions will invalidate the warranty of the connector 2 Insp Hole 3 Clamp ring 4 Alli...

Page 16: ...during deployment apart from the removal of protective caps since there are no user serviceable parts inside 13 DIGITRON CONNECTOR SPECIFICATION Electrical and Mechanical Maximum current dry topside 4 way 18A 7 way 14A 12 way 11A Maximum current submerged 4 way 35A 7 way 22A 12 way 20A Maximum working voltage 1000V rms phase to earth 2000V rms phase to phase Rated number of operations 1000 mate de...

Page 17: ...19 Please note maximum storage temperature takes into account solar gain Skin temperature must not exceed 70 C Suitable protection must be used to ensure maximum storage temperature is not exceeded Figure 13 View to show DigiTRON Front end assembly Fully factory acceptance tested ...

Page 18: ...oose on the hose Do not compress Chemical Compatibility for AquaTRON oil tube For chemical compatibility use with AquaTRON oil tube see qualification report TR 422 section 3 11 and ERP 001 06 15 MAINTENANCE All EFL S are designed for Subsea immersion and require no maintenance while installed 15 1 Protection of Receptacle Contact Pins Under no circumstances must the contact pins in the receptacle ...

Page 19: ...e compatible for duration of 1 hour In addition the thermoplastic materials have good resistance to Citric Acid Other acid cleaners such as 50 Acetic Acid should not be used as they may cause deterioration of the elastomeric materials Any damage found should be recorded and reported to the Technical Department 16 INFORMATION AND NOTES HEALTH AND SAFETY FEEDBACK DATE DESCRIPTION 17 SIGN OFF SECTION...