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Deckma Hamburg OMD-2005, Instruction Manual

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Deckma Hamburg OMD-2005 Instruction Manual Download Page 6

 

 

 

 

 

 

 

 

DECKMA HAMBURG GmbH 

 

 

Issue: 27.05.08 

Instruction Manual OMD-2005 

Page 6 of 25 

 

Both alarm circuits are also related to an alarm LED on the front panel. 

In case of malfunction the “System” LED will indicate any type of internal fault of 
the unit. This LED is flashing green in normal conditions and is red in alarm 
conditions. Also this alarm is related to an relay output. 

Additional to the alarm LED's each alarm circuit is equipped with a relay with 
potential free alarm contacts. These contacts can be used for external processing 
of the signal or for control of further functions. 

If a malfunction or failure of the power supply occurs, all 3 relays will switch to 
alarm condition. 

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Summary of Contents for OMD-2005

Page 1: ...UAL 15ppm Bilge Alarm Type OMD 2005 DECKMA HAMBURG GmbH Kieler Straße 316 D 22525 Hamburg Germany Tel 49 0 40 54 88 76 0 Fax 49 0 40 54 88 76 10 Internet www deckma com eMail post deckma com S t o c k C h e c k c o m ...

Page 2: ...r persons authorized by the manufacturer Alternatively the unit may be replaced by a calibrated 15 ppm Bilge Alarm The OMD 2005 is designed in that way that only the measuring cell needs to be changed as this unit carry the calibration onboard The Calibration Certificate with the date of the last calibration check should be retained onboard for inspection purposes If for some reasons the computer ...

Page 3: ...ation 9 7 0 Piping 10 8 0 Wiring 11 8 1 Typical Control System 13 9 0 Power Supply 13 10 0 Commissioning 13 10 1 Electrical 13 10 2 Piping 13 10 3 Functional Tests 14 10 4 Programming Mode 15 11 0 Operating Instructions 17 11 1 Operator Notes 18 12 0 Operator Maintenance 18 12 1 Manual Cell Clean Unit 19 13 0 Fault Finding 20 13 1 Memory Card 22 14 0 Calibration 23 14 1 Calibration and Repeatabili...

Page 4: ...witch the contacts For the data logging function the unit requires an status input from the separator and a feedback signal from the valve position limit switch See Fig 1 Pos 6 Furthermore a 0 4 20 mA equal to 0 30 ppm signal output is available for driving a recorder or external meter 2 0 IMPORTANT NOTES a This equipment must be installed and operated in strict accordance with the instructions co...

Page 5: ...ustment Easy settings via menu 3 3 Adjustment The unit is delivered with a works calibration according the IMO requirements The alarm points are set to 15 ppm The Zero point is also works calibrated and can be re adjusted on site by using the programming mode and clean water See Section 10 4 Service Offset A calibration is not permitted This has to be done according IMO Regulations by the manufact...

Page 6: ...is flashing green in normal conditions and is red in alarm conditions Also this alarm is related to an relay output Additional to the alarm LED s each alarm circuit is equipped with a relay with potential free alarm contacts These contacts can be used for external processing of the signal or for control of further functions If a malfunction or failure of the power supply occurs all 3 relays will s...

Page 7: ...table between 1 540 sec Works adjustment 2 sec Alarm 2 Operating Delay for control purposes Adjustable between 1 10 sec Works adjustment 10 sec System Fault Alarm Red LED Alarm Contact Rating Potential free 1 pole change over contacts 3 A 240 V Alarm Indication Red LED s Output Signal 0 20 mA or 4 20 mA for 0 30 ppm reversible ext Load 150 Ω Sample Water Pressure 0 1 10 bar Sample Flow Approx 0 1 ...

Page 8: ... sense the position of the valve This assembly is connected to the measuring cell by an easy to handle fitting to enable the exchange of the cell for frequently adjustment according the IMO requirements All components are mounted to a stainless steel mounting plate for easy wall or bulkhead installation It is also possible to split the computer unit from the measuring cell if the available space i...

Page 9: ...5 ppm Bilge Separator exceeding 15 ppm and the operation of the Automatic Stopping Device preventing overboard discharge should be as short as possible and in any case not more than 20 s Mount the OMD 2005 Monitor by means of 6 x M8 screws on to a rigid vertical surface and preferably with the display panel of the monitor at eye level For service and maintenance sufficient space to all sides shoul...

Page 10: ...l the tapping may be made into the side of the horizontal pipe Avoid top or bottom entry For separator discharge pipes up to 75 mm OD a standard T type junction of the welded or screwed type is satisfactory for the tapping point For the separator discharge pipes of 80 mm OD and above a sample probe should be employed which protrudes into the discharge piping by approx 25 of the ID of the pipe Sepa...

Page 11: ...ewdriver into the clamp holes to release the internal spring loaded clamps After the wire is inserted to the terminal and the screwdriver is removed the wire is fixed If the instrument is operated at high voltages additional care has to be taken to provide reliable ground connections Ground PE can be connected direct to the terminal or if this is not sufficient according local rules to the compute...

Page 12: ...d Status Separator Limit Switch ToAlarmsystem optional 1 2 PowerSupply 4 5 PilotVoltageOutput SameasPowerSupply 7 8 SpareVoltageOutput SameasPowerSupply 10 12 PotentialfreeOutputAlarm1 Changeovercontact 13 15 PotentialfreeOutputAlarm2 Changeovercontact 16 18 PotentialfreeOutputSystemFault Changeovercontact 19 20 InputFlowDirectionSwitch DeckmaDelivery 22 23 InputStatusSwitchfromSeparator Closewhen...

Page 13: ...alarm set point at which time the discharge will be directed overboard A pump stop system is according MEPC 107 49 not allowed 9 0 POWER SUPPLY See Section 2 for important notes The unit is designed for a power supply of 24 V to 240 V AC or DC It has an automatic power selection 10 0 COMMISSIONING See Section 2 for important notes On completion of the installation wiring and piping carry out the f...

Page 14: ...nstrument The adjustment is only important for the time delay between the sample point and the monitor c Switch on the instrument and make sure that the Power LED is illuminated and the display is showing the initializing display for about 15 sec After that time it will change to the standard display showing the actual measurement d During oil free water is running through the monitor check the Ze...

Page 15: ...u Pressing the OK button will give more detailed information about the status After start the display will show the initial display followed by the actual measured oil content This display also be shown if no input at the different menu s has been done for a designated time To get into the menu press the tool button Select the required point by using the or button Press the OK button At the servic...

Page 16: ...r To get back to the standard display press the tool button or the OK button Function of the scrolling buttons for both operation time history displays 15 sec Forward and 2 min Forward Fast Forward and Very Fast Forward 15 sec Backward and 2 min Backward Fast Backward and Very Fast Backward Press the Enter button to get into the history Select the required date and time by using the buttons The do...

Page 17: ...sing the or button Press the OK button Information about the software version and the web address will be shown NB All changed values have to be confirmed by pressing the OK button Otherwise the existing values are valid 11 0 OPERATING INSTRUCTIONS a Switch on the power supply b Allow a period of time for water entering the sample tube c Flow oil free water through the system for a few minutes and...

Page 18: ...ing brush Art No 30102 into the cell and clean it with upwards and downwards motion through the entire length of the cell several times e Remove the Cell Cleaning brush and replace the cell cap f Reconnect the oil free water supply and allow this to flow through the instrument for a few minutes g Observe that the display is showing 0 to 2 If not clean again h Examine the color of the desiccator Fi...

Page 19: ...is can cause Operating Instructions a Ensure that the monitor is switched off and that there is a clean water supply through the cell b Activate the manual cell clean unit by pressing the handle several times c Switch the monitor back on and check the reading is between 0 to 2 ppm d Repeat a to c at least once a week or as necessary NB The Manual Cell Clean Unit may also be used during normal oper...

Page 20: ...e range clean sample tube FW 0 49 EE Green Blinking No Alarm Freshwater is enabled Sample EE Red Steady Yes Alarm Meter is not able to measure the sample no water in oil content much too high no light transmission possible Check sample clean sample tube according Page 21 Com EE Red Steady Yes Alarm No communication between computer unit and measuring cell Check connection between computer unit and...

Page 21: ...might be too high and creates condensation around the glass tube which leads to high readings Looking through the hole of the removed desiccator a small part of the glass tube is visible Please check if it is really clean and clear If not replace the desiccator to avoid humidity or water inside the measuring cell and clean the glass tube by using the cleaning brush under assistance from some clean...

Page 22: ...em Fault OFF D22 Spare D15 Status Separator D16 Status Water Supply D17 Spare D18 Status Datalogger D23 Alarm 1 ON D24 Alarm 2 ON D25 System Fault ON D26 Spare Fig 6 13 1 Memory Card refer to Fig 6 The Memory Card is located inside the door of the computer housing It is suitable for the life of the instrument as it is calculated to the according MEPC 107 49 required storage time of at least 18 mon...

Page 23: ...as described under Section 11 0 Note 4 2 11 of MEPC 107 49 The accuracy of the 15 ppm Bilge Alarms should be checked at IOPP Certificate renewal surveys according to the manufacturers instructions Alternatively the unit may be replaced by a calibrated 15 ppm Bilge Alarm The calibration certificate for the 15 ppm Bilge Alarm certifying date of last calibration check should be retained onboard for i...

Page 24: ...equired its description and any relevant serial number DESCRIPTION ART NUMBER Desiccator 65550 Cell Cleaning Brush 30102 O Ring Set 75775 Fuse T 2 A 40107 Fuse T 1 A 40105 Measuring Cell 75500 15 1 Recommended On Board Spares 2 off Desiccator 65550 1 off Cell Cleaning Brush 30102 1 off O Ring Set 75775 2 off Fuse T 2 A 40107 Optional item 1 off Manual Cell Clean Unit 75780 S t o c k C h e c k c o ...

Page 25: ...nual OMD 2005 Page 25 of 25 16 0 REMARKS All the modifications and deviations from the standard form which have to be carried out in the supply should be attached at this paragraph Commissioned on by Date Firm s Name Remarks S t o c k C h e c k c o m ...

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