EM6/MARCH 2015
Page 1: ...EM6 MARCH 2015...
Page 2: ...thus avoiding unnecessary engine wear and the resulting danger We can provide QMI atmospheric oil mist sensing systems to pinpoint the location of a hazardous build up of oil mist in confined areas s...
Page 3: ...llation Details of Oil Mist Detectors for 2 Stroke Slow Speed Engines Part2 8 4 Stroke Medium Speed Engine with Threaded or Rigid and Flexible Pipes Part2 9 When Installed Inside an Engine Inspection...
Page 4: ...s Part3 6 Changing the Number of Detector Heads Part3 7 Detector Head Test Sequence Part3 8 To Isolate a Channel Part3 8 Isolating Fan Failure Sensor Part3 9 Response to Alarm Part3 10 PART 4 FAULT FI...
Page 5: ...gine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Introduction Part1 1 PART 1 INTRODUCTIO...
Page 6: ...wn or Shutdown Normally de energised with 1 set of change over contacts Fault Alarm Normally energised with 1 set of change over contacts OPERATING TEMPERATURE 5 70 C MULTIPLEX DIMENSIONS mm WEIGHT kg...
Page 7: ...OPERATING INSTRUCTIO NS To display a function place Magnet Pen FLAT over specified circle Function Circle Channel level reading Pre set alarm level mgm litre Self test programme Detector alarm test I...
Page 8: ...MULTIPLEX Engine Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Introduction Part1 4...
Page 9: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Introduction Part1 5...
Page 10: ...R1 and the terminal plugs and carries the alarm relays DESCRIPTION OF Q02L ENGINE DETECTOR See drawing Part 1 7 Also used for Gearbox Chain Case and Clutch The assembled Detector is made from three al...
Page 11: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Introduction Part1 7...
Page 12: ...MULTIPLEX Engine Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Introduction Part1 8...
Page 13: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Introduction Part1 9...
Page 14: ...ne Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Introduction Part1 10 PHOTOGRAPHS OF FAN AND FAN FA...
Page 15: ...gine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 1 PART 2 INSTALLATIO...
Page 16: ...MULTIPLEX Engine Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 2...
Page 17: ...e passed the baffle All pipes are either vertical or horizontal so that no oil traps are formed A ball valve is placed in the pipework just before the fan to control the air flow through the Detectors...
Page 18: ...ston bearing and the main bearing This is the area where oil mist is most likely to be trapped In engines that rotate in one direction only it is possible to place the extraction point close to the si...
Page 19: ...if possible between the sample exit point on the engine and the BSP entry into the Detector Head see QMI 05 1099 Part 2 8 The Baffle supplied will reduce heavy oil contamination of the Detector Head a...
Page 20: ...MULTIPLEX Engine Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 6...
Page 21: ...ULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 7 LAYOUT OF PIPEWORK PIPE WORK RETURNING TO CRANK SP...
Page 22: ...MULTIPLEX Engine Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 8...
Page 23: ...6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 9 4 STROKE MEDIUM SPEED ENGINE WITH THREADED OR RIGID AND FLEXI...
Page 24: ...ch 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 10 WHEN INSTALLED INSIDE AN ENGINE INSPECTION DOOR OR CRANKCASE WALL...
Page 25: ...female shut slowdown output open or relay see Part 2 21 3 10 way female alarm output 4 4 way male mains input 5 16 way female data logger output optional MATING CONNECTORS FOR THE ABOVE Connectors Pa...
Page 26: ...0 5 or 7 x 2 x 0 5 see below 4 Power to Monitor 3 x 1 5 rating min 3A L N E not twisted 5 Monitor to Datalogger 7 x 2 x 0 5 N A Junction Box to Detector 2 x 2 x 0 5 for lengths over 100 metres 0 75 s...
Page 27: ...plied by QMI ASSEMBLE INSTRUCTIONS a Strip back about 125mm of outer sheathing of cable and separate wires Then tin ends of wires and screen being used b Assemble socket on to wire in the sequence sho...
Page 28: ...pply common 25 and 26 are used when more than 3 or 4 Detectors are used supply 27 is used when only 3 or 4 Detectors are used supply 27 and 28 is used when more than 4 Detectors are used fan failure c...
Page 29: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 15...
Page 30: ...MULTIPLEX Engine Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 16...
Page 31: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 17...
Page 32: ...MULTIPLEX Engine Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 18...
Page 33: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 19...
Page 34: ...ommon 6 Fault Alarm Disconnect Connect to Pin 5 7 Main Alarm Connect to Pin 8 Disconnect RL10 8 Common 9 Main Alarm Disconnect Connect to Pin 5 For Shutdown relays see Part 2 20 and 2 21 ALARM OUTPUT...
Page 35: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 21...
Page 36: ...nsmitted from the Central Monitor Unit CMU via a 4 way Harting Plug 2 The Shutdown operates via Open or Closed Contacts Relay 3 Below shows the wiring for Engine Shutdown Relay 9 4 The cable used shou...
Page 37: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 23...
Page 38: ...lation Part2 24 110 240V POWER SUPPLY WIRING 1 The 110 240VAC power supplies the Control Monitor Unit CMU 2 Below shows the wiring for 110 240 VAC Power Supply 3 The cable used should be of minimum 3...
Page 39: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 25...
Page 40: ...MULTIPLEX Engine Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 26...
Page 41: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Installation Part2 27...
Page 42: ...inclusions caused by piston blow by The Monitor sends out a 4 20mA signal corresponding to the displayed mist percentage for each Detector Head This is a digitally calculated reading taking into acco...
Page 43: ...the Shutdown is from a 5 pole socket which is fitted to position 2 on the Monitor see drawing QMI 05 1096 Part 1 5 Pins 1 and 2 are for channels 1 6 Pins 3 and 4 are for channels 7 12 NOTE Channels t...
Page 44: ...XPLOSION LIMIT LEL 50mg L FULL ALARM LEVEL GREEN FLASHING YELLOW EARLY WARNING RELAY PRESET SENSITIVITY LEVEL SHUT SLOW DOWN RELAY MAXIMUM ALLOWABLE DENSITY BEFORE ALARM 1 30 mg L FLASHING RED W HICH...
Page 45: ...st Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Running Procedure Part3 1 PART 3 STARTING UP RUNNI...
Page 46: ...mples are measured in milligrams L the reading per channel is presented as a percentage of the alarm setting ALARM OPERATING RANGES Using Binary switch 5 on the Main Processor Board MP12 v 3 2 Switch...
Page 47: ...ther relay system and is only activated after a fault has developed in the Oil Mist Detection System No relays will activate for 2 5 seconds as the Monitor will check first that the fault is in the sy...
Page 48: ...rmal running speed the light will change to a solid green light SOLID GREEN LIGHT Fan is running normally and magnetic sensor is working ORANGE LIGHT WITH A RED PULSE Fan is running slow or may be beg...
Page 49: ...Place the magnetic pen flat against the circle marked RAISE ALARM LEVEL or LOWER ALARM LEVEL Raise and remove the pen away from the circle once for each increment until the required level is reached...
Page 50: ...ycle it is in Both once or twice are normal to show the CPU is functioning 6 After the Test Sequence is completed the Monitor will automatically return to display the channel with the highest oil mist...
Page 51: ...off off 03 on on off off 04 off off on off 05 on off on off 06 off on on off 07 on on on off 08 off off off on 09 on off off on 10 off on off on 11 on on off on 12 off off on on Switch 5 is for the o...
Page 52: ...e table See Part 3 7 TO ISOLATE A CHANNEL If a Detector Head becomes faulty and requires changing F3 will appear on the display and the green amber and red display will flash If a Detector Head requir...
Page 53: ...OF FAN AND ACCESSORIES ferrous bar red yellow green light cable to Multiway Junction Box a b FAN FAILURE HOUSING ASSEMBLED ON FAN PCB on LED PCB CABLE TO MULTIWAY JUNCTION BOX off switch To Isolate Fa...
Page 54: ...evel RL10 the main alarm will be activated Further action should be taken in accordance with the engine room standing procedures Over riding the QMI MULTIPLEX system during manoeuvring procedures is a...
Page 55: ...ine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Fault Finding Part4 1 PART 4 FAULT FINDI...
Page 56: ...MULTIPLEX Engine Oil Mist Detection System EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Fault Finding Part4 2...
Page 57: ...I 05 1110 Part 4 2 F1 on display and Channel number shown Make up a short lead with a 6 pin male and female connector from the spares kit Plug spare QMI Detector Head into Monitor on the defective cha...
Page 58: ...placement Fan has no sensor fitted short out 2 pin Fan Failure Connector on Monitor or Junction Box then touch reset to clear display Disconnect power to Fan Failure Housing before opening If Fan is r...
Page 59: ...ine is running on full load Slow speed engines normally produce very little oil mist but they do have a large amount of oil splash which will not be indicated on the Monitor NOTE if the engine body is...
Page 60: ...or Detectors are vertical or horizontal so there is no low point for oil to settle thereby blocking the air flow 3 Check that pipework has not been installed under stress castings have warped allowin...
Page 61: ...the following The ball valve in front of the Fan has not been closed down see drawing Part 2 6 and 2 7 The filter may need cleaning or replacing see drawing Part 5 3 A RED Flashing Light when F4 is on...
Page 62: ...ngine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Maintenance Part5 1 PART 5 MAINTENANCE...
Page 63: ...tor locking nut electro magnet sensing tip locking nut TO REMOVE FAN FAILURE HOUSING Remove fan failure box case by unscrewing a b screws only TO REPLACE AND ADJUST GAP BETWEEN SENSOR AND BAR Rotate s...
Page 64: ...ill persist until the fault is dealt with correctly DETECTOR HEAD CLEANLINESS Very often due to difficult working conditions and lack of experience the lenses in the Detector Head are not properly cle...
Page 65: ...l oil flowing onto the lenses After cleaning the lenses with the fluid ensure that they are thoroughly polished 5 To clean the stainless steel filter fitted in the Back Plate remove from Back Plate an...
Page 66: ...ist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Maintenance Part5 5 LENSES DIAGRAM SHOWING POSITI...
Page 67: ...Allen Key 1 Q0114 1 25A Fuse for FS1 on the Power Supply Board Pack of 5 1 Q0115 3 15A Fuse for FS3 on the side of the Monitor Pack of 5 1 Q0205 QMI Detector Head Filters 50 Free Volume 2 Q0208 QMI D...
Page 68: ...should not be any contaminants in the area of the baffles 2 To check the engine Shutdown and alarms just set the alarm levels lower than the normal running values so that the system will go into alarm...
Page 69: ...Engine Oil Mist Detection System MULTIPLEX EM6 March 2015 EMAIL qmi oilmist com WEBSITE www oilmist com 4 East Barnet Road London EN4 8RW UK TEL 44 0 20 7328 3121 Spares Part6 1 PART 6 SPARES...
Page 70: ...utput Q0103 QMI Monitor Security Keys Pack of 2 Monitor Security Switch to change settings Pack of 2 Q0104A MP12 PCB v 3 2 Processing Board For Monitor Flash Memory Chip Q0106 Switch mode power supply...
Page 71: ...pin socket Bulgin 6 Pin in line SOCKET Q0209 QMI Detector Head 6 pin plug Bulgin 6 Pin in line PLUG Q0211 M3 Hexagonal Allen Key For Detector Head Screws Code QMI Product Description Q0212 Cleaning B...
Page 72: ...6 DET 7 DET 8 DET 9 DET 10 DET 11 DET 12 REMARKS DET NO READS ENGINE RPM DATE TIME ENGINE STATUS FUNCTIONS DET 1 DET 2 DET 3 DET 4 DET 5 DET 6 DET 7 DET 8 DET 9 DET 10 DET 11 DET 12 REMARKS DET NO REA...
Page 73: ...e return address for repaired or serviced equipment 5 The above documents should be faxed and emailed to QMI London Fax 44 0 20 7328 5888 Email qmi oilmist com 6 Despatch returned goods to Mr Keith Ba...
Page 74: ...It will help us to respond more quickly to any questions or problems you might have in the future 1 Name of vessel or site 2 Location of system 3 Serial Number of Monitor 4 Number of Detector Heads 5...
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Page 76: ...Quality Monitoring Instruments Ltd 4 East Barnet Road London EN4 8RW Email qmi oilmist com Tel 44 0 20 7328 3121 Fax 44 0 20 7328 5888 visit our website at www oilmist com 9902032015 v 3 2...
