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Nov-21

Page 84 of 132

59812-K001 Rev 10

Event Log, see section 3.6.

Examination of the event log could identify any underlying ongoing faults on the system, e.g.
communications faults, memory errors etc.

4.3

ROUTINE MAINTENANCE SCHEDULE

This maintenance schedule is a guide only as every engine is different in its usage, oil, temperature,
scrubber performance etc.

Maintenance check sheets are provided in Appendix 2.

WEEKLY:

Note the Trend Peak and Maximum levels of Detectors

Record maximum actual engine average and peak level for each detector head.

-> From Mk6 Control Panel press the Main Menu button

-> Engineer Mode (Code 012345)

-> 2. System Status

-> 1. Engine, see section 3.4

-> Select the required engine (Record maximum actual level)

-> 2. Detector

-> 2. Detector Status, see section 3.7

-> Select the required engine

-> Select the required detector-> (Record Peak Levels).

A sample recording sheet is provided in Appendix 1.

After recording engine maximum actual level & detector peak levels, clear maximum average (engine
average) and detector peak readings. This will ensure reliable and accurate status of the engine and
detector data.

-> From the Mk6 Control Panel press the Main Menu button

-> Enter Engineer Mode (Code 012345)

-> 1. Configuration System

-> 7. Clr Max Average, see section 2.8.5

-> 8. Clr Peak & Avg

The maximum average and detector peak readings should be cleared after weekly trending, monthly
alarm testing and smoke test of vital alarms.

MONTHLY:

(TEST PROCEDURE SHOULD BE DONE WITH NO LOAD ON THE ENGINE).

Perform Smoke Test at each Detector using the push-in smoke test connector and Graviner Smoke Test
kit, see section 2.9.4

TWICE PER YEAR:

(TEST PROCEDURE SHOULD BE DONE WITH NO LOAD ON THE ENGINE).

Perform a visual inspection

1.

Externally inspect the Mk6 Control Panel and Junction Box(s) taking note of the condition of all
Glands, External Wiring and LED indications displayed.

2.

To retain IP & EMC Rating ensure all holes are blanked off using the correct blanking plug.

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Содержание Graviner Mk6

Страница 1: ... contained in this manual is the property of Carrier Fire Security UK Ltd and may not be reproduced or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise nor stored in any retrieval system or any nature without the express written authority of Carrier Fire Security UK Ltd Copyright 2021 Carrier Fire Security UK Ltd ...

Страница 2: ...ECTING THE SYSTEM 34 2 7 SYSTEM CHECKS PRIOR TO SWITCHING ON 49 2 8 SYSTEM SETUP CONFIGURATION 51 2 9 COMMISSIONING THE SYSTEM 57 3 OPERATION 64 3 1 SYSTEM POWER UP 64 3 2 ACCESS LEVELS 64 3 3 ENGINE SCREEN USER 65 3 4 ENGINE STATUS INFORMATION 66 3 5 TEST MENU 67 3 6 EVENT LOG 71 3 7 DETECTOR STATUS USER 73 3 8 ENGINEERS ACCESS 75 3 9 SYSTEM CONFIGURATION MENU 76 3 10 SYSTEM STATUS ENGINEERS 76 3...

Страница 3: ...1 5 FAULT FINDING 92 5 1 FAULT INDICATIONS 92 5 2 FAULT DIAGNOSTICS AND REMEDIES 95 6 SPARE PARTS 112 6 1 CONTROL PANEL 112 6 2 JUNCTION BOX 117 6 3 DETECTOR 118 6 4 SPARES KITS 120 6 5 RECOMMENDED OPERATIONAL SPARES 121 6 6 CABLE ASSEMBLIES 121 6 7 AUXILARY 122 6 8 OMD MK6 LOG READER 130 ...

Страница 4: ...gure 12 Detector Head Installation 29 Figure 13 Detector Head Installation Short Sample Pipe 30 Figure 14 Detector Cable 31 Figure 15 Detector Cable Assembly Straight Connector 32 Figure 16 Detector Cable Assembly Right Angle Connector 33 Figure 17 Power cable 34 Figure 18 Power cable through EMC gland 35 Figure 19 Power Input Cable Earth Stud 35 Figure 20 Power connections 36 Figure 21 Control Pa...

Страница 5: ... Test Menu User Level 58 Figure 63 Alarm Relay Test 58 Figure 64 Fault Relay Test 58 Figure 65 Test Menu Engineer Level 59 Figure 66 Shutdown Slowdown Relay Test Engine Selection 59 Figure 67 Shutdown Slowdown Relay Test 59 Figure 68 Backup Alarm Test 59 Figure 71 Clear Max Average Levels Engine Selection 61 Figure 72 Clear Max Average Levels 62 Figure 73 Clear Peak and Average Levels 62 Figure 74...

Страница 6: ...tector Selection 74 Figure 103 Detector Status 74 Figure 104 Detector Faults Engine Selection 75 Figure 105 Detector Faults Detector Selection 75 Figure 106 Detector Fault Status 75 Figure 107 Main Menu Engineer Level 75 Figure 108 Configuration Menu 76 Figure 109 System Status Engineer Level 76 Figure 110 Erase Configuration 77 Figure 111 Confirm Configuration Reset 77 Figure 112 Accepted Alarms ...

Страница 7: ... communications on consecutive detectors 99 Figure 140 Communications End of Line Termination 100 Figure 141 Detector Fault 101 Figure 142 Fan Fault 102 Figure 143 Detector Head Removal 102 Figure 144 Base Moulding Seal 103 Figure 145 Pulling Tool 103 Figure 146 Fan Removal 103 Figure 147 LED Fault 104 Figure 148 Power Supply Fault 104 Figure 149 System Fault 105 Figure 150 Replace EEPROM 107 Figu...

Страница 8: ...Nov 21 Page viii of xi 1 59812 K001 Rev 10 Figure 161 Junction Box 117 Figure 162 Detector Spares 118 Figure 163 Base Fixing Screw Removal 119 Figure 164 Download Cable Connection 130 ...

Страница 9: ...nations 4 Oct 11 Removed Plug Play part numbers 5 July 13 Addition of Photos showing 2 screw Fan Connector 6 May 16 Addition of Green Label Detector Addition of Gas canister smoke test Figure 20 21 Graviner MK6 OMD System wiring colours 7 Sept 17 Part number 1 21888 K073 added 8 Jan 18 Part number 1 43682 K037 changed to 1 43682 K261 9 Nov 20 UTC updated to Carrier 10 Nov 21 Manual re written ...

Страница 10: ...judged by Carrier as being caused by the improper installation of the OMD s and or OMD system b defects reasonably judged by Carrier as being caused by the failure to follow the recommendations contained in Carrier frequency of routine maintenance and testing of the OMD s and or OMD system and or the failure to have such routine maintenance performed c defects which are attributable to careless ha...

Страница 11: ...transfer The OMD System Warranty cannot be transferred to another Carrier OMD system 8 Save to the extent amended by the provisions set out above Carrier of sale shall apply Commissioning is to be performed by a Carrier approved Service Provider conditions that could lead to crankcase explosions on large Diesel engines They are typically installed in harsh operating conditions particularly with re...

Страница 12: ...iston Seizure Cam Shaft Bearings Bottom End Bearing Top End Bearing Piston Blow By Main Bearing Figure 2 Areas of Failure 4 Stroke Engine A fire or explosion needs three constituents fuel oxygen and an ignition source Remove one of these and no explosion will occur Similarly within the crankcase the three constituents which could cause an explosion are air oil mist oil mist density can be measured...

Страница 13: ...ure 3 Graviner Mk6 OMD Components 1 2 DESCRIPTION The system comprises three main components refer to Figure 3 Detectors 1 E3561 301 with base 1 E3561 301 01 Short sample pipe 1 D5622 001 replacement detector head Control Panel 1 53836 K170 Bulkhead Mounting 1 53836 K206 Flush Mounting Engine Junction Boxes 1 D4720 001 XX 20mm Power Comms Connections 1 53836 K224 XX 25mm Power Comms Connections An...

Страница 14: ...5 Cylinder Junction Box Junction Box Junction Box Engine Room Control Room Backup alarm relay Backup alarm relay Backup alarm relay Figure 4 Typical System Configuration 1 3 TECHNICAL SPECIFICATION Detector Mounting inch BSP Enclosure Rating IP65 Address Switch 2 x 10 position 0 to 99 Material Sample Tube Carbon Loaded PTFE Detector Black Du Pont Nylon 70G33L Indicators Green Detector On Red Alarm...

Страница 15: ...ntacts rated at 30Vdc 1A Relay contact minimum wetting current 10mA Main Alarm 1 set energised during normal operation Fault Alarm 1 set energised during normal operation Engine Slow Shutdown Alarm 8 sets 1 set per engine de energised during normal operation Alarm Ranges Deviation Alarm 0 05mg l to 0 5mg l adjustable Default 0 3mg l Average Alarm 0 3mg l to 1 3mg l adjustable Default 0 7mg l Backu...

Страница 16: ...Nov 21 Page 16 of 132 59812 K001 Rev 10 Height 309mm Width 559mm Depth 118 5mm Weight 8 7kg ...

Страница 17: ... according to engine groups The Control Panel incorporates a Liquid Crystal Display LCD The Main Display constantly displays the average oil mist density reading for each engine along with the average alarm level for each engine It also enables the individual readings of each Detector on an engine and the average to be displayed on demand and automatically under alarm conditions In the interest of...

Страница 18: ...ault is received the information on the display should be noted and then the appropriate Fault Finding procedure detailed in section 5 Fault Finding of the manual should be checked to enable the fault to be rectified When the faults have been rectified the Accept and Reset buttons can be operated and the system will return to normal Event Log All alarms faults and events are recorded in an Event L...

Страница 19: ...en is automatically scrolling through multiple alarms pressing the key will hold the screen and prevent scrolling Main Menu Displays the main menu on the LCD allowing access to User Engineer or Service level menus Test Displays the User level test menu Cursor Keys Key Function Move the LCD cursor up Move the LCD cursor down Move the LCD cursor left Move the LCD cursor right Numeric Keys Key Functi...

Страница 20: ...ellow Indicates fault on that engine Isolate Yellow Indicates there is an isolation on that engine The Control Panel is menu driven and provides a logical route to all functions It has three operating levels User Engineer Service The User level is essentially for read only interrogation and does not allow any adjustments to be made to alarm settings or system configuration The Engineer level is pa...

Страница 21: ...nges at the rear of the unit For flush mounting a bezel part number 1 35100 K187 can be supplied refer to Figure 7 The position of the Control Panel must be sited for optimum visibility of the display Enough space must be left around the Control Panel to allow the fitting and routing of the cables and to facilitate easy access to all aspects of the Control Pane A minimum of 500mm must be allowed a...

Страница 22: ...Nov 21 Page 22 of 132 59812 K001 Rev 10 Figure 6 MK6 Control Panel Flush Mounting 1 53836 K206 Installation Drawing ...

Страница 23: ...Nov 21 Page 23 of 132 59812 K001 Rev 10 Figure 7 Bezel Part Number 1 35100 K187 Figure 8 MK6 Control Panel Flush Mounting Installation Drawing Cut Out Details ...

Страница 24: ...voltage cables and follow good installation practice Approved cables FS Cables 2402PIFFH Beldon 9729 Helkama RFE HF i 2x2x0 75 Jinro 60V RCOP IS The above cable should be used to connect between the Control Panel and the Junction Boxes Refer Error Reference source not found for connector location Refer Figure 36 for wiring drawing Relay Outputs The relay outputs are rated at 30v DC at 1amps 2 Core...

Страница 25: ...les and to facilitate easy access to all aspects of the Junction Box Each Junction Box can connect up to 14 Detectors where 14 Detectors are not required the additional gland holes must be covered using 20mm metal blanking plugs Lapp Kabel 52103125 to maintain EMC and IP integrity ...

Страница 26: ...Nov 21 Page 26 of 132 59812 K001 Rev 10 Figure 9 Junction Box Installation ...

Страница 27: ...nsure all detectors fitted to the engine are locked tightly in place by means of the lock nut supplied It is recommended that the detector be located at the upper part of the crankcase wall where it is not in the direct line of the oil throw On smaller engines it is permissible to mount the detector on the crankcase door if desired or as installation dictates subject to vibration levels ...

Страница 28: ... minus 20 degrees from the vertical Horizontally the detector must be mounted level or with the detector body inclined towards the engine to ensure oil drainage Refer to Figure 12 and Figure 13 Please ensure that Detector 1 is connected to position 1 on the Junction Box Detector 2 to position 2 Repeat for all Detectors fitted ...

Страница 29: ...Nov 21 Page 29 of 132 59812 K001 Rev 10 Figure 12 Detector Head Installation ...

Страница 30: ...Nov 21 Page 30 of 132 59812 K001 Rev 10 Figure 13 Detector Head Installation Short Sample Pipe ...

Страница 31: ...r cable Refer Figure 14 Ensure that the cables are run in a suitable cable tray and clipped at regular intervals to ensure they cannot be subjected to mechanical damage caused by vibration Figure 14 Detector Cable Refer to section Error Reference source not found for a list of available detector cables All Detector connectors are pre wired ...

Страница 32: ...0 Figure 15 Detector Cable Assembly Straight Connector Notes 1 Cable Spec 8 core screened 90o C Halogen free oil resistant 2 3 Cables should be secured every 0 5m cable clips are not provided 4 Do not exceed the minimum bend radius as shown ...

Страница 33: ...r the Detector cables are shown in the table below Connector Pin No Colour of wire Function Last Detector Function 1 Pink Comms Out TB10 EOL 1 White Comms In C in 2 Yellow Comms In C in 2 Brown Comms Out TB10 EOL 3 Grey Backup Alarm Back up Alarm 5 Blue 0v supply 0V 6 Red 24v supply 24V Centre Screen Cable screen Cable screen ...

Страница 34: ...ed from high voltage cables and follow good installation practice Note all terminations should be made using crimped wires For each of the power connections strip the power cable to the required length to connect to the terminals in the Control Panel Then remove approximately 1cm of the outer sheath to expose the cable screen as shown below Figure 17 Power cable Feed the cable into the Control Pan...

Страница 35: ...igure 18 Power cable through EMC gland Connect the earth wire to the earth stud see Figure 19 Figure 19 Power Input Cable Earth Stud Connect the 24v and 0v in to TB5 on the Interface Board 1 44782 K183 see Figure 19 Earthing Prongs Cable gland ...

Страница 36: ... be connected to earth at the 24v DC power supply 2 6 2 Relay Cables The connection to the Slowdown Shutdown relays Common Alarm relay and Fault relay at the Control Panel should be made using screened cable For each of the relay connections strip the cable to the required length to connect to the terminals in the Control Panel Then remove approximately 1cm of the outer sheath to expose the cable ...

Страница 37: ...ee sheath grey outside diameter 9 8mm operating temperature 0o C 80o C Approved cables Lapp Kabel CY cable 3 core 2 5mm2 Prysmian LSM HF 3 core 2 5mm2 Helkama LKAM HF 3 core 2 5mm2 Communications Cable 2 Twisted low capacitance pairs 27 7 AWG tinned copper conductors foam polyolefin insulation each pair foil screened with a tinned copper drain wire low smoke halogen free sheath grey outside diamet...

Страница 38: ...g Lapp Kabel Skintop MS SC M XL range ensuring that the metal prongs make contact with the exposed cable screen as shown below Figure 23 Cable Gland Isolation Remove a suitable knockout from the Control Panel and fix the cable glands in place using a toothed nut Error Reference source not found to cut through the paint Earthing prongs ...

Страница 39: ...v 10 Figure 24 Toothed Nut Connect the power cable in place at the Interface Board within the Control Panel Figure 25 Power cable connections to Interface Board Connect the Communications cable in place at the top of the Interface Board ...

Страница 40: ...ections At the Junction Box strip the power supply cable to the required length for ease of installation Approximately 100mm is usually suitable For braided cables twist the cable screen to produce a tail For foil screened cables use the drain wire Figure 27 Power cable Screen Tail Place insulation around the earth tail ...

Страница 41: ...Power cable Screen Tail Insulation Feed the cables into the Junction Box via the two plastic glands Connect the wires into the Junction Box Communications and Power Input terminals Figure 29 Junction Box Power cable Communications terminal connections ...

Страница 42: ... screen as shown below Figure 30 Detector cable stripped Feed the cable through a metal EMC gland e g Lapp Kabel Skintop MS SC M XL range ensuring that the metal prongs make contact with the exposed cable screen as shown below Figure 31 Detector cable EMC Gland assembly Connect the cable via the relevant Detector position hole in the Junction Box Figure 32 Detector cable EMC Gland Junction Box Con...

Страница 43: ...10 EOL 1 White Comms In C in 2 Yellow Comms In C in 2 Brown Comms Out TB10 EOL 3 Grey Backup Alarm Alarm Back up 5 Blue 0v supply 0V 6 Red 24v supply 24V Centre Screen Cable screen Cable screen Figure 33 Close up of Detector cable EMC Gland assembly When complete the Junction Box wiring should look like the photograph below ...

Страница 44: ...ov 21 Page 44 of 132 59812 K001 Rev 10 Figure 34 MK6 Junction Box Connections Locate and tighten the collar of the connector to the top of the Detector Figure 35 Connection to the Detector Head Assembly ...

Страница 45: ...e Junction Box The connection to the Backup Alarm relay can be made using a screened cable The screen of the cable being terminated inside a metal EMC gland e g Lapp Kabel Skintop MS SC M XL range ensuring that the metal prongs make contact with the cable screen See Figure 21 ...

Страница 46: ...Nov 21 Page 46 of 132 59812 K001 Rev 10 Figure 36 System Drawing ...

Страница 47: ...Nov 21 Page 47 of 132 59812 K001 Rev 10 Figure 37 Wiring Diagram ...

Страница 48: ... screening It is critical that the cable screening instructions are followed Failure to correctly connect the cable screens may result in communication failures and or permanent damage to components Note where armored cable is used the armor must not be used as the cable screen ...

Страница 49: ...st be 09 It is essential that if Detector heads are removed for overhaul they are returned to their original position or they must be re addressed Where a detector is re addressed the power must be removed from the detector before the address change will take effect 5 Clean the Detector head in the area around the address switches and indicator lights with wet and dry wipes to ensure any oil or gr...

Страница 50: ...ion Box power supply cables are connected correctly at the Control Panel 2 7 6 Ensure that the Engine Slowdown Shutdown Common Alarm and Fault Alarm relays are connected correctly at the Control Panel 2 7 7 Ensure that the supply input cables are connected correctly to the Control Panel refer to Figure 20 2 7 8 Ensure that the input voltage at the Control Panel is a clean 24 V dc 30 25 2 7 9 Check...

Страница 51: ...he audible alarm The COMMS FAULT continues to flash Select MAIN MENU use the cursor to highlight ENGINEER Press Figure 40 Main Menu User Level 3 The display calls for a password Enter the default password 012345 press The display shows MAIN MENU ENGINEER Use the cursor to highlight option 1 CONFIGURE SYSTEM Press Figure 41 Main Menu Engineer Level 2 8 2 Setting Engine Details 1 Select ENGINEER MAI...

Страница 52: ... of Detectors Press after each entry Figure 44 Detector Configuration 5 Press to return to configuration menu The system configuration value range is shown below Attribute Default Range Number of engines 1 User selectable 1 to 8 Number of Detectors 4 User selectable 1 to 14 per engine System maximum 64 detectors 2 8 3 Set Engine Name Optional 1 Select SET ENGINE NAME Select engine 1 2 3 4 etc pres...

Страница 53: ...y and gather data from the engines being monitored The default alarm values and the allowable range are detailed below Alarm Type Default Settings Range Deviation 0 3 mg I 0 05 to 0 5 mg I Average 0 7 mg I 0 3 to 1 3 mg I Back up 1 6 mg l Fixed Prior to taking oil mist level measurements the Detector temperatures should be allowed to stabilize to the engine room temperature this may take approxima...

Страница 54: ... Configure System 7 Clr Max Average Figure 49 Clear Maximum Average Values Select the required engine and press Figure 50 Confirm Clear Maximum Average Values Select YES and press The above should be carried out for all engines being monitored This should also be carried out after any smoke testing 2 8 6 Average Alarm 1 Enter the Main Menu Engineer Figure 41 and select 2 System Status Figure 51 Sy...

Страница 55: ...m level to twice the Maximum actual level as follows Return to the Configuration menu Figure 42 select 3 Alarm Levels Figure 54 Set Alarm Levels Select 1 Set Average Alarm Figure 55 Set Engine Average Alarm Select engine number press Enter the new alarm level in the range 0 3 to 1 3mg l as calculated from above If the calculated value is outside these limits set the alarm level to the nearest valu...

Страница 56: ...1 and select 2 Detector Figure 56 Detector Status Menu 2 Select 2 Detector Status Figure 57 Detector Status Engine Selection 3 Select the required Engine from the list Figure 58 Detector Status Detector Selection 4 Select the required Detector from the list Figure 59 Detector Status 5 Read the Peak Level on each Detector Subtract the Maximum actual level for that engine from each of the Detector p...

Страница 57: ...of time characteristics to readjust the alarm levels 2 9 COMMISSIONING THE SYSTEM Following the installation of the system the functionality should be checked to ensure that the system is operating correctly and the required responses are produced by the AMS 2 9 1 Visual Inspection On each detector check that the green Pow off On the Control Panel On the LCD check that a bar graph is displayed for...

Страница 58: ...l 2 Select 1 Alarm Relay Figure 63 Alarm Relay Test 3 Select Enable or Disable to change the relay state and ensure that the correct engine response is initiated by the AMS 4 From the Test Menu Figure 62 select 2 Fault Relay Figure 64 Fault Relay Test 5 Select Enable or Disable to change the relay state and ensure that the correct engine response is initiated by the AMS 2 9 2 2 Shutdown Slowdown A...

Страница 59: ...of 1 6mg I or greater to produce the Common Alarm Relay in the Control Panel the Backup Alarm will also override any Detector or Detectors that are isolated Whilst any Detectors are in a Backup Alarm condition the Accept key is inoperative until the oil mist level drops below 1 6mg l It is possible for a healthy Detector to produce a backup alarm if the level of oil rises very rapidly To check the...

Страница 60: ... connected to the engine slowdown or shutdown system this should be disconnected Warning Carrying out this test without isolation or disconnection of the output relays will cause the engine slowdown or shutdown system to operate Method 1 Using a Wick 1 Cut a length of wick approximately 30 mm long Assemble the smoke tester by pushing the wick into the wick holder fitted with the pipette bulb Press...

Страница 61: ... all times 5 While the wick is still smouldering insert it into the pipe connector and squeeze the pipette bulb 6 Observe the wick is still smouldering insert nylon pipe into the pipe connector of the Detector and squeeze the pipette bulb 7 After tests are completed the maximum actual average level Detector peak level and current average readings should be erased a From the Configuration menu Figu...

Страница 62: ...hod 2 Using Artificial Smoke It is important when using this method that only approved smoke canisters are used as other brands may deposit residue within the detector sample chamber affecting the performance Smoke canisters approved for use on the Graviner Mk7 Oil Mist Detection system are HSI Fire and Safety SmokeCheck 25S HIS Fire and Safety PurCheck When using this type of spray canister it wi...

Страница 63: ... on the end of the connector at the same time as pulling the pipe out 5 Remove the nylon pipe from the pipe connector for stowage purposes 6 Refer to the Material Safety Data Sheet in the event of health or safety issues Method 2 is recommended in situations where the use of a naked flame would be hazardous ...

Страница 64: ...ing a visual check of their operation to be made Following this sequence the Control Panel Power LED shall be on The LCD shall show a bar graph for each engine indicating the average oil mist level and indicate that the system is Normal Figure 74 Main Screen Short lines to the right of each bar graph show the average alarm level for that engine 3 1 3 Engine Overview During normal operation the Con...

Страница 65: ...Hold key The engine screen displays a bar graph for each detector up to 14 detectors Figure 77 Engine Screen User The detector number is shown below the bar graph The height of each bar indicates the oil mist level being measured by the detectors at that moment in time The scale on the left hand side indicates the oil mist level in mg l The indicated level will change real time as the oil mist lev...

Страница 66: ...tion may be accessed at User Level by selecting 1 System Status on the Main Menu User screen Figure 78 Main Menu User Level Or by selecting 2 System Status in the Main Menu Engineer screen Figure 76 Figure 79 System Status Menu User Level Select 1 Engine Figure 80 Engine Status Selection Select the engine from the list to display the engine status information for that engine Figure 81 Engine Statu...

Страница 67: ...tors on that engine are isolated General fault Yes indicates there is a fault associated with that engine Number of detectors Shows the number of detectors configured for that engine 3 5 TEST MENU Although the Control Panel and detectors perform continuous automatic checks a suit of tests are provided to allow manual testing of the system functionality to be performed To access the Test Menu press...

Страница 68: ...to the Test Menu 3 5 4 LED LCD Test The test allows a visual inspection to be made of the LCD and LED operation on the Control Panel Select 4 LED LCD Test the panel will r operation Each line of the display will be made dark allowing the LCD pixels to be visually checked The text shown in Figure 85 will be displayed the Version being the current software in the Control Panel The Control Panel buzz...

Страница 69: ... and the failed detector is listed 3 5 6 Optics Instructs all detectors to perform an optics test to ensure that oil contamination within the detector sample chamber is within acceptable limits Select 6 Optics This test may take up to 30 seconds to complete Figure 87 Optics Test If the Optics test is completed successfully the display will return to the Test Menu If a fault is detected either an L...

Страница 70: ...lowdown Relay The alarm condition is cleared by pressing the Acknowledge and Reset keys The Control Panel display with return to the Main Screen Figure 74 3 5 8 Shutdown Relay Selecting the Test Menu 4 Test from Main Menu Engineer Figure 41 provides an additional test option to those obtained at the user level allowing the operation of the Shutdown Slowdown Relay to be tested Figure 90 Test Menu E...

Страница 71: ...56 events and can be accessed via the menus below The Event Log is a rolling buffer and when the events exceed 256 then the oldest event is dropped off the Event Log From the Main Menu User screen Figure 78 select 3 Event Log Figure 93 Event Log Menu Three display formats for the Event Log are provided Display all events in the Event Log Display only specific events in the Event Log Display only e...

Страница 72: ... and down cursor keys 3 6 2 By Event The events log may be filtered to show only specified events Select 2 List by Event Figure 95 Event Log Select Event Type Select the type event type to be displayed from the list Figure 96 Event Log by Event Additional events held in the log can be displayed using the up and down cursor keys 3 6 3 From Date and Time The events log may be filtered to show events...

Страница 73: ...Control Panel and PC See Appendix 3 for further details 3 7 DETECTOR STATUS USER In addition to information relating to the engine status section 3 4 detector status information can also be displayed for the individual detectors Select 2 Detector in the System Status Menu Figure 79 Figure 99 Detector Status Menu 3 7 1 Detector Level Displays the real time oil mist levels in mg l for each detector ...

Страница 74: ... status screen shows The engine and detector being examined Peak level Shows the highest level recoded for that detector since the peak value was reset Dev alarm level Shows the deviation alarm level set for that detector Isolation Indicated if the detector is currently isolated Comms Indicated if the detector currently has a communications fault 3 7 3 Detector Faults Indicates and fault present o...

Страница 75: ...l Detector CPU fault Indicated if a failure has occurred on detector microcontroller LED Failure Indicated if an LED illuminating the sample chamber has failed 3 7 4 Detector Offsets Detector offsets is a legacy option and should not be used adding a detector offset will compromise the calibration of the detector 3 8 ENGINEERS ACCESS While interrogation and testing of the system is available at th...

Страница 76: ...detectors associated with each engine see section 2 8 2 Set Engine Name Allows the engine names to be changed from the default see 2 8 3 Alarm Levels Configures the Average and Deviation Alarm levels see Figure 54 Figure 55 Figure 60 and Figure 61 Set Time Date Sets the real time clock time and date see 2 8 4 Set Password Allows an alternative Engineers Password to be set Detector Offsets Detector...

Страница 77: ...fault Configuration Engines 1 Detectors 4 Average Alarm 0 7mg l Deviation Alarm 0 3mg l 3 11 ALARM OPERATION 3 11 1 Action on Alarm On receipt of either a Deviation or Average alarm the engine should unless connected to a Slowdown Shutdown relay be stopped if safe to do so and allowed to cool down so that the background oil mist levels reduce before entering the engine room Investigations can then...

Страница 78: ...n Relay Buzzer sounding Alarm indicator LED on Relevant engine Alarm LED on Alarm indicated on the LCD The bar graph for the engine will be displayed on the LCD If more than one engine is in alarm the screen will cycle between engines Following acceptance of the alarm the buzzer will silence and the common alarm relay is deactivated Pressing reset will clear the alarm and return the Control Panel ...

Страница 79: ...NOTE The Backup Alarm will not operate the Slowdown Shutdown Relay 3 13 RELAY OPERATION Communication of alarm and fault conditions between the OMD Mk6 Management System AMS is via a series of volt free contact relays Individual relays are provided for Slowdown Shutdown Alarm one per engine Common Alarm and Fault For each output connections are provided to the relay common normally open and normal...

Страница 80: ...Nov 21 Page 80 of 132 59812 K001 Rev 10 Relay Description Unit off Unit on Slowdown Shutdown Fault Engine Slow Shutdown Alarm Common Alarm Fault Figure 113 Relay Function Modes ...

Страница 81: ...ead is to be removed from the base the detector cable should be detached from the detector Isolating the relays will ensure that an alarm condition which may occur during maintenance is not transmitted to the AMS Isolating the detector will ensure that faults or alarm which may occur during maintenance are not indicated on the Control Panel Disconnecting the detector cable from the detector will e...

Страница 82: ... isolate the engine preventing the reporting of alarms or faults from all detectors on the LED Select DE ISO to de isolate the engine and return all detectors to normal operation 4 1 2 Isolate Detector Select 2 Detector Figure 117 Detector Isolate Engine Selection Select the relevant engine from the list Figure 118 Detector Isolate Detector Selection Select the required detector from the list ...

Страница 83: ...elay preventing operation in the event of an alarm or DE ISOLATE to return the relay to normal operation 4 2 SYSTEM MONITORING The OMD Mk6 provides access to a range of system parameters that can be used to monitor system operation and can also give an early indication of changes in the engine Engine Status see section 3 4 Provides an indication of engine faults and isolations as well as the maxim...

Страница 84: ...is provided in Appendix 1 After recording engine maximum actual level detector peak levels clear maximum average engine average and detector peak readings This will ensure reliable and accurate status of the engine and detector data From the Mk6 Control Panel press the Main Menu button Enter Engineer Mode Code 012345 1 Configuration System 7 Clr Max Average see section 2 8 5 8 Clr Peak Avg The max...

Страница 85: ...g It is important to understand the contents of the Mk6 Event log to diagnose and remove the reason for any fault messages see section 3 6 Please download photograph and document the event log Check the Status of each Detector prior to any cleaning taking place If any Faults are indicated please take appropriate actions to clear the indication s See section 4 4 for proper Detector Head removal cle...

Страница 86: ...ng valves Figure 124 Fuel in the lube oil Metal particles may indicate wear due to high vibration levels 9 Verify all vital and non vital alarm actions at Mk6 Control Panel function correctly Using the Test Menu see section 3 5 check the correct operation of the Shutdown Slowdown Relays Common Alarm Relay and Fault Relay CLEAR MAXIMUM AVERAGES PEAK DEVIATION AVERAGE LEVELS AFTER TEST PROCEDURES ...

Страница 87: ... blockages as shown in the image below Figure 125 Detector Base Cleaning 6 Verify cable terminations and earthing 7 Perform laptop Parameter Diagnostics 8 Record Oscilloscope communication line readings 9 Test all vital and non vital alarm functions 10 Review the average and peak level trending report 11 Upgrade software to current version if required 12 Upgrade Detector heads or hardware if requi...

Страница 88: ...ase whilst the engine is in operation This action should be carried out whilst the engine is stopped to avoid the possibility of hot oil coming out of the Detector Base Please Note Graviner Detector Heads should only be cleaned with the recommended cleaning fluid and cleaning buds Many cleaning fluids have been evaluated by Graviner but only the Electrolube ASC fluid is recommended by Graviner as ...

Страница 89: ...m its mountings Figure 128 Pulling Tool BEWARE Please take extreme care NOT to lose any of the Compression Springs or the Fan Retaining Plug 7 Examine the 4 Compression Springs and the Fan Retaining Plug replace any damaged items Spares for these items are included in the Service Kit see 6 4 2 8 Ensure the fan is free running and not clogged by oil residues 9 If fan damage is suspected the fan sho...

Страница 90: ... and 11 are repeated with cleaning fluid applied to another foam bud 13 Examine the Detector base body and sample tube and wipe clean where necessary 14 Reassemble the Fan to the Detector Head using the Fan Retaining Plug CAUTI ON Do not press the centre label of the fan only handle the fan by the outer housing 15 Reattach the Detector head to base and re tighten the fixing screws Attach the cable...

Страница 91: ... approaching the end of its operational service life 19 Repeat the above procedure for all Detectors cleaned 4 5 DECOMMISSIONING All the components of the Graviner Mk6 OMD system must be disposed of as electrical electronic equipment waste i e using waste disposal methods in accordance with current local waste disposal regulations ...

Страница 92: ...r cable should be detached from the detector 5 1 FAULT INDICATIONS In the event of a fault occurring on the system an indication of the fault will be provided 5 1 1 Detector Faults In the case of a fault with a detector the indications are Detector Fault LED on constant Control Panel Activation of the Fault Relay Buzzer on Fault LED flashing Fault type LED flashing Detector Fault or Comms Fault Re...

Страница 93: ...reen will return to the main screen but will show a fault has occurred as shown below Figure 131 Example Accepted Fault Screen The fault text can be displayed by pressing the left arrow key Figure 132 Accepted Events Screen Press the enter key to display the fault text Figure 133 Event Text Use the up and down arrows to scroll through the event text if there is more than one event indicated Use th...

Страница 94: ...he event message will identify which engine relay has failed 5 2 3 Detector Fault A fault has been identified in the detector 5 2 4 Engine Relay Fault The Engine slowdown shutdown relay has failed The event message will identify which engine relay has failed 5 2 5 Fan Fault A detector fan has stopped rotating The event message will identify which detector has failed 5 2 6 LED Fault Oil contaminati...

Страница 95: ...m Fault An inspection of the engine event log see section 3 6 will list the event Back Up Test Failed Eng X det Y 5 2 1 1 Single Detector in fault Having established which detector is in fault it is necessary to establish the cause of the fault using the following steps 1 Swap the detector with a known working detector 2 Reset the Control Panel 3 Perform a Backup Alarm Test via the Test Menu see E...

Страница 96: ...e is in fault it is necessary to establish the cause of the fault using the following steps 1 Using a wire link at the Control Panel connect the relevant backup alarm terminal to the 0v terminal If the buzzer sounds at the Control Panel while the link is in place go to item 2 If the buzzer does not sound at the Control Panel while the link is in place replace the Control Panel Interface Board 2 Us...

Страница 97: ...screening of the cables 1 Ensure that screened cables have been used for both the communications and power supply connections between the Control Panel and each Junction Box The outer braid surrounding armoured cable must NOT be used as the cable screen 2 At the Control Panel ensure that the communications and power supply cable screens are connected directly to the earth via EMC metal glands 3 At...

Страница 98: ... a communication fault on an individual detector on an engine When moving detectors it is recommended that the detectors are first isolated and the detector cable disconnected before removing the detector head from the base The detectors should be deisolated after moving 1 Swap the detector with a known working detector It is not necessary to change the detector addresses 2 Reset the Control Panel...

Страница 99: ...tinuity between the c in yellow terminals and between c in white terminals in the Junction Box for the detectors before and after the first detector with communications fault 5 In each case a short circuit should be measured If a short circuit is not measured the Junction Box PCB should be replaced 5 2 2 4 All detectors on an engine in fault Having established which engine is in fault it is necess...

Страница 100: ...all wiring is correct replace the Interface Board in the Control Panel Note In some situations a temporary fix may be possible by moving the communications connections to a spare output on the Interface Board 5 2 2 5 All Detectors in fault In the event of a loss of communications with all Detectors it is not possible to identify the failure without specialized equipment The failure may be located ...

Страница 101: ...ight level drops below a predetermined limit Testing of the photodiode is performed automatically as part of the system test performed at 16 00hrs or maybe performed manually via the Optics Test in the Test Menu see 3 5 If the light level reaching the photodiode falls below the allowed limit the detector will communicate the fault to the Control Panel The Control Panel will then indicate a detecto...

Страница 102: ... list the event Fan Fault Eng X det Y 1 Using a 4mm hexagon key unscrew 2 off screws from the underside of the Detector head The screws are self retaining Figure 143 Detector Head Removal 2 Remove and invert the top part of the Detector head Examine the base moulding seal and replace if damaged or perished see Figure 144 ...

Страница 103: ...g the Pulling Tool Figure 145 remove the Fan Retaining Plug by capturing the shoulder and pulling Carefully remove the Fan from its mountings Figure 146 Figure 145 Pulling Tool Figure 146 Fan Removal 4 Examine the 4 off compression springs and the fan retainer plug replace any bent or damaged items from the spares Fan Retaining Plug One Fixing Screw ...

Страница 104: ...ll communicate the fault to the Control Panel The Control Panel will then indicate an LED fault see section 5 1 1 Figure 147 LED Fault An inspection of the engine event log see section 3 6 will list the event LED Fault Eng X det Y Clean the detector see section 4 4 for proper Detector Head removal cleaning and refitting Ensure Detector Heads Detector base O Ring seals are properly fitted with Moly...

Страница 105: ...Control Panel software has failed The alarm is activated if the oil mist level rises above a level of 1 6mg l As this level is higher than the Average or Deviation Alarm settings an alarm condition will be indicated before the backup alarm level is reached A fault in the backup alarm system may cause a backup alarm to occur in the absence of either an Average or Deviation Alarm This will be indica...

Страница 106: ...ctor one at a time If the buzzer sounds continuously replace the associated detector With the fault cleared and the buzzer silenced ensure all wiring connections are made detectors are de isolated Perform a Backup Alarm test see 3 5 5 5 2 11 Control Panel Reset The Control Panel continually checks both internal power supply and the operation of the software to ensure that it has not been corrupted...

Страница 107: ...arantees a minimum of 10 000 write cycles NOTE This message is advisory only all other features and functions of the OMD Mk6 will continue to operate normally and the ability to detect oil mist is not affected A read write failure could mean that recent Event Log data is not stored and any changes made to the configurable engine parameters may not be saved Due to the memory capacity with normal op...

Страница 108: ... supplied on a small daughter board which plugs into the existing socket on the Main Control Processor Board The part number of the MK6 Replacement EEPROM PCB is 1 44782 K182 Before starting any replacement work you must first record the following system configuration details Number of engines Can be seen on the main display screen Number of detectors per engine Can be seen on the engine display s...

Страница 109: ...labelled as Inverter 1 in the image below is not supported on Revision 6 and above of the Main Control Processor Board The original Control Panel display used a CCFL backlight that contained small amounts of mercury now prohibited by the RoHS directive To comply with this directive Carrier have re engineered the LCD and the display driver electronics on the Main Control Processor Board Revision 6 ...

Страница 110: ...l Main Control Processor Board Removed 6 Remove the LCD Cover this will require the removal of 4 fixing screws Figure 155 Control Panel LCD Cover Removed 7 Remove the LCD this will involve unscrewing and removing the 4 metal pillars holding the PCB 8 Reverse the procedure to fit the replacement LCD LCD cover and the replacement Main Control Processor Board 9 Ensure ALL connections are correct BEFO...

Страница 111: ...v 10 Figure 156 Unadjusted Display 11 Adjust the contrast on the Main Control Processor Board to produce a readable display Figure 157 Contrast Adjustment 12 Re program the original parameters for the system configuration and alarm levels ...

Страница 112: ...Nov 21 Page 112 of 132 59812 K001 Rev 10 6 6 1 CONTROL PANEL Figure 158 Control Panel Door ...

Страница 113: ... Key Membrane 1 39155 K047 5 Status Display Membrane 1 39155 K048 6 Mk6 8 Engine Status Display PCB 1 44782 K098 01 7 Door Seal 1 13455 D033 8 Firmware OMDMk6 Panel 1 P57100 9 Mk6 Replacement EEPROM 1 44782 K182 10 Mk6 Interface PCB Non GL 1 44782 K183X Mk6 Interface PCB GL Version 1 44782 K183GL 11 OMD Mk6 Harness MCP to IF PCB 1 43682 K261 12 Harness MCP MBLC 1 43682 K032 Mk6 Download Cable 1 MT...

Страница 114: ...wn the system 3 Remove all connectors PLG1 PLG2 PLG4 PLG5 PLG8 PLG9 and PLG1O noting the orientation 4 Remove the 8 fixing screws and washers 5 Remove the PCB Figure 160 Control Panel Main Control Processor Board Removed 6 Fit the replacement PCB with the 8 fixing screws and washers re fit all connectors 7 Switch on system and allow it to initialise 8 Re program the system to the required configur...

Страница 115: ...tatus Display Membrane Replacement 1 Power down the system 2 Remove the Engine Status Display PCB as detailed in section 6 1 6 3 Remove the 7 fixing nuts and washers Remove the membrane 4 Fit the replacement membrane with the 7 fixing nuts and washers 9 Replace the Engine Status Display PCB Refit all connectors 10 of the initialisation process 6 1 6 Engine Status Display PCB Replacement 1 Power do...

Страница 116: ... wire is identified to allow correct reconnection to the replacement board 3 Disconnect cables between the Interface Board and Main Control Processor Board 4 Remove 8 fixing screws and washers Note the fixing screw in the centre of the board is fitted with a nylon washer Remove the PCB 5 Fit the new PCB with the 8 screws and washers refitting the screw with the nylon washer in the correct location...

Страница 117: ...ower down the system 2 Disconnect all external wires from the Junction Box Board ensuring each wire is identified to allow correct reconnection to the replacement board 3 Remove 4 fixing screws and washers Remove the PCB 4 Fit the new PCB with the 4 screws and washers 5 Reconnect the external wires into the correct terminals 6 Switch on system and allow it to initialise 7 Ensure no communications ...

Страница 118: ...art No 1 Mk6 Detector Head Replacement 1 D5622 001 2 Fan Assembly 1 Screw Fan Assembly 2 Screw 1 D5622 005 02 1 53569 K005 3 Base Unit sub Assembly Base Unit sub Assembly Short Sample Pipe 1 D5622 101 1 D5822 102 4 Connector Push In 1 21888 K073 5 Base Moulding O Ring Seal 1 C1513 802 6 Mk6 Switch Window 1 C9189 801 ...

Страница 119: ...head 6 If the system was switched off switch back on and allow the system to initialise 7 If isolated then de isolate the Detector 6 3 2 Replacing the Detector Base WARNI NG Do NOT remove the Detector from the base whilst the engine is in operation This action should be carried out whilst the engine is stopped to avoid the possibility of hot oil coming out of the Detector Base 1 Remove the detecto...

Страница 120: ...tion Part No Qty Category Cleaning Wipes 1 A7311 001 2 Consumables Smoke Test Oil 30 ml 1 D9221 028 1 Bottle Consumables Wick 150 mm 1 17100 H06 3 Consumables Smoke Tester 1 D9221 029 1 Tools Materials Safety Data Sheet 2 Information 6 4 2 Service Kit Service Kit D9221 027 consists of Description Part No Qty Category Fan Retainer 1 B3741 902 5 Spares Compression Spring 1 B3721 006 5 Spares Base Mo...

Страница 121: ... D5622 001 are supplied 6 6 CABLE ASSEMBLIES Straight Connector Description Part No Length 10 0m Cable with Straight Connector 1 43682 K108 02 10 0 Metres 17 5m Cable with Straight Connector 1 43682 K108 05 17 5 Metres 25 0m Cable with Straight Connector 1 43682 K108 08 25 0 Metres All cable lengths specified are the nominal lengths tolerance 0 1m Cable Assemblies 90 Connector Description Part No ...

Страница 122: ...le Pipe 1 D5622 102 Incl 1 x 1 21888 K073 Pulling tool 1 D9131 002 Commissioning Kit 1 D9221 026 Service Kit 1 D9221 027 Smoke Oil 1 D9221 028 Smoke tester 1 D9221 029 6 7 AUXILARY The parts listed below are not supplied by Carrier and should be purchased locally Description Manufacture Manufactures Part No Supplier Supplier Stock No M20 Metal Gland Lapp Kabel 53112630 RS Components Farnell Digike...

Страница 123: ...Nov 21 Page 123 of 132 59812 K001 Rev 10 ...

Страница 124: ...GRAVINER Mk6 OIL MIST DETECTOR SYSTEM WEEKLY PEAK READINGS Engine Name Detector Name Date Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level ...

Страница 125: ...gine Detector Name 1 2 3 4 5 6 7 8 Date Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level Peak Level 01 03 21 0 1 0 1 0 2 0 1 0 2 0 1 0 1 0 1 08 03 21 0 2 0 1 0 1 0 5 0 2 0 1 0 2 0 1 ...

Страница 126: ...Nov 21 Page 126 of 132 59812 K001 Rev 10 ...

Страница 127: ...nal Inspection Performed Detector sta Correct number of engines and detectors displayed on the Control Panel System component software versions documented Event Logs inspected and recorded Faults diagnosed and corrected Detectors cleaned status and parameter readings checked Detectors bases checked Alarm and Fault relay functions checked ...

Страница 128: ...rs and software versions recorded System functions verified Event Logs inspected and recorded Detectors cleaned status and parameter readings checked Detector bases inspected and cleaned Cable terminations and earthing checked Alarm and Fault relay functions checked Current manual is available Instruction provided to the crew ...

Страница 129: ...Nov 21 Page 129 of 132 59812 K001 Rev 10 ...

Страница 130: ... one end of the MT0021 Download cable into the PC Serial port and the other end into the OMD Panel Main Board as shown below Figure 164 Download Cable Connection Copy the OMD Log Reader directory to the hard drive of the PC Open the OMD Log Reader directory and double click on the setup file Setup will install the OMD Log Reader program on the PC hard drive Note during the installation process it ...

Страница 131: ...cket SKT1 on the OMD Mk6 Main Processor Board 44782 K071 02 mounted on the panel door Run the Log Reader on the PC 6 8 4 1 Downloading the event log Select the correct PC communications port from the dropdown box this can be found in the hardware settings of the PC if not already known Select download event log from the Engineers menu on the panel refer to the OMD Mk6 manual if necessary Click the...

Страница 132: ...e the event log enter the vessel name in the Vessel Name text box Click on the Save Log button The log is saved as a text file in C vessel name vessel name time date e g C Seaham Seaham 06_12 01_06 txt The text file can be read using any Windows text reader Notepad WordPad etc ...

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