Deckma Hamburg OMD-24 Series Manuel utilisateur

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INSTRUCTION MANUAL

OMD-24 Series

15 ppm Bilge Alarm

OMD-24 Series

Electric Valve –OMD-24 EV

Electric Valve Auto Clean –OMD-24 EVA

Auto Clean –OMD-24 A

Flow Control OMD-24 FC

(Optional: Manual Cleaning Unit MCU)

Page: 1

Usage of this instruction manual

This instruction manual will guide you how to use the OMD-24 Series. The instruction

manual is split into sections. Every section handles a specific part of the OMD-24 Series.

The first section gives you general information about the safety before using and servicing

the OMD-24 Series. Please take notice on this section.

You will also find information about the construction and the installation of

OMD-24 Series. The programming mode is explained in detail at the end of the instruction

manual.

This instruction manual also contains information about the service support and our

contact details. The symbols below will accompany for a better understanding.

Disposal

The crossed-out waste container icon on waste electrical or electronic device indicates

that this device must not be disposed of with household waste at the end of its life. There

are collection points available in your area for free. The addresses can be obtained from

your municipality or local administration. You can also email us at [email protected] to

find out further return options provided by our company.

Separate collection of waste electrical and electronic equipment (WEEE) is intended to

prevent the re-use, recycling other forms of use of WEEE as well as to avoid adverse

effects on the environment and human health from the disposal of potentially hazardous

substances contained in devices.

Symbols



This symbol is used for giving general advices.

This symbol is used to clarify a recommendation.



This symbol is used for giving advices about servicing.

This symbol is used to draw warning against hand injuries.

This symbol is used to show electrical voltage warnings.

This symbol is used to draw attention to hot surfaces.

This symbol is used for giving general warnings.

This symbol is used to draw attention to hazardous substances.

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Safety hazard

Mechanical Risks

Risk of hand injuries

While closing the front cover hand injuries could be possible.

Electrical Risks

Electrical voltage warnings

Incorrect commissioning and wiring, touching live parts, and cable

breakage or faulty components can lead to electrical hazards.

Thermal Risk

Risk of scalding

High temperatures can occur on the surface of the measuring cell. Hot

water may spill and cause scalding.

Chemical Risk

Risk of chemicals

Material used during cleaning and maintenance can cause eye and skin

irritation.

Risk reduction

Risks

Recommended reduction

Risk level

(1)Low –(3)High

Risk of hand

injuries.

While opening and closing the front cover care must be taken.

Electrical risks.

Works on the units should be only be done by a qualified

person. Keep Terminal Cover closed at all times.

Risks of scalding.

It is recommended to wear protective clothing in the form of

heat-resistant gloves and protective goggles, if high

temperature sample is present.

High temperature

risks.

Do not open the cell cap until the sample water has cooled

down sufficiently. Stop any sample water flow prior to opening

the head screw.

Unexpected

movement of the

wiper piston.

Close pressurized air supply before working on the Autoclean

System or dismantling the Autoclean System.

Chemical Risk.

Material used for Cleaning and Maintenance may cause eye

and skin irritation. Cleaning solution may cause health

problems if ingested.

Risk of

environmental

damage.

Use instrument strictly within its specification. Keep instrument

properly maintained.

Risk of health

damage.

Do not touch or ingest any residue from sample stream.

Page: 3

IMPORTANT NOTICE

Replacement components for 15 ppm Bilge Alarms

General

All monitors in our range are inspected and tested to the related International Maritime

Organization IMO requirements at our factories prior to delivery.

In normal use the units should operate correctly and without fault over a long period of time

requiring only small amounts of maintenance to be carried out as outlined in the instruction

manual.

Service Exchange Units

In the event of a monitor malfunction due to electrical or electronic component failure it is our

recommendation that a service exchange unit be ordered.

The defective instrument should be returned to our works within 30 days of supplying the service

exchange unit, then only the repair charge is payable. Otherwise the whole cost of a service

exchange unit becomes payable.

This procedure is by far the easiest and most cost-effective way of ensuring the monitor on board

conforms to IMO resolution MEPC.107(49).

Remark

According the MEPC.107(49) § 4.2.11 the units have to be checked at IOPP Certificate renewal

survey by the manufacturer or persons authorized by the manufacturer. Alternatively, the unit

may be replaced by a calibrated 15 ppm Bilge Alarm.

The OMD-24 Series are designed in that way, that only the Measuring Cell needs to be changed,

as these units carry the Calibration Certificate. The Calibration Certificate with the date of the last

calibration check should be retained onboard for inspection purposes.

If for some reasons the Computer Unit needs to be changed, it has made sure, that the memory

card will remain on board for at least 18 months. The new Computer Unit will carry its own

memory card. The old card can be inserted into the new unit only for reading. Writing is only

possible with the card delivered with the new Computer Unit. For details see section 16.

Memory Card.

Warranty

Our warranty terms are 12 months after installation but maximum 18 months after delivery ex

works. The maker undertakes to remedy any defect resulting from faulty materials of

workmanship except wearing parts.

The maker's obligation is limited to the repairs or replacement of such defective parts by his own

plant or one of his authorized service stations.

The purchaser shall bear the cost and risk of transport of defective parts and repaired parts

supplied in replacement of such defective parts.

ANY DISMANTLING OR BREAKING OF A SEAL WILL VOID THE WARRANTY.

 
 
Page: 4 
Content:
Usage of this instruction manual ........................................................................................... 1 
Disposal ........................................................................................................................................1 
Symbols ........................................................................................................................................1 
Safety hazard ........................................................................................................................ 2 
Risk reduction ...............................................................................................................................2 
Revision ................................................................................................................................ 8 
Introduction................................................................................................................... 9 
Important Notes .......................................................................................................... 11 
Principle of operation .................................................................................................. 12 
1 Touch Panel.....................................................................................................................12 
2 Measuring Principle.........................................................................................................12 
3 Display Visualization........................................................................................................12 
4 Alarms ............................................................................................................................13 
5 Adjustment .....................................................................................................................13 
5.1 Limited Adjustment Alarm Set Point..................................................................................................14 
6 Active Current Interface...................................................................................................14 
7 Inputs..............................................................................................................................14 
8 EV (Electric clean water Valve).........................................................................................14 
9 Automatic Cell Cleaning Device........................................................................................15 
10 MCU (Manual Cleaning Unit)............................................................................................15 
11 Features..........................................................................................................................16 
12 Internal Back-Up Lithium Thionyl Chloride Battery ...........................................................16 
OMD-24....................................................................................................................... 17 
1 Specification OMD-24......................................................................................................18 
2 OMD-24 Construction......................................................................................................19 
3 OMD-24 Installation ........................................................................................................20 
4 OMD-24 Piping ................................................................................................................21 
5 OMD-24 Cabling ..............................................................................................................22 
OMD-24 EV.................................................................................................................. 23 
1 Specification OMD-24 EV .................................................................................................24 
2 Construction OMD-24 EV .................................................................................................25 
3 Installation OMD-24 EV ...................................................................................................26 

 
 
Page: 5 
4 Piping OMD-24 EV ...........................................................................................................27 
5 Cabling OMD-24 EV .........................................................................................................28 
OMD-24 EVA................................................................................................................ 29 
1 Specification OMD-24 EVA...............................................................................................30 
2 Construction OMD-24 EVA...............................................................................................31 
3 Installation OMD-24 EVA .................................................................................................32 
4 Piping OMD-24 EVA.........................................................................................................33 
5 Cabling OMD-24 EVA .......................................................................................................34 
OMD-24 A.................................................................................................................... 35 
1 Specification OMD-24 A...................................................................................................36 
2Construction OMD-24 A...................................................................................................37 
3 Installation OMD-24 A .....................................................................................................38 
4 Piping OMD-24 A.............................................................................................................39 
5 Cabling OMD-24 A ...........................................................................................................40 
OMD-24 FC (Conversion-Kit)......................................................................................... 41 
1 Specification OMD-24 FC (Conversion-Kit)........................................................................42 
2 Construction....................................................................................................................43 
3 Installation......................................................................................................................44 
3.1 Electrical Installation Step-By-Step ....................................................................................................44 
3.2 Typical Piping Installation...................................................................................................................46 
4 FC Principle of operation..................................................................................................47 
4.1 FC (Flow Control).................................................................................................................................47 
4.2 Description of Sensor-PCB LEDs..........................................................................................................47 
Cleaning Devices.......................................................................................................... 48 
1 Manual Cleaning Unit (MCU)/ Automatic Cell Cleaning Device..........................................48 
1.1 Flow rate regulation on MCU, Auto Clean System..................................................................................48 
Terminals description............................................................................................... 49 
1 External Control System...................................................................................................51 
Power Supply........................................................................................................... 52 
Commissioning......................................................................................................... 53 
1 Electrical and Piping.........................................................................................................53 
2 Instrument Start-Up Sequence.........................................................................................54 
3 Flow rate Adjustment......................................................................................................54 
4 System Settings ...............................................................................................................56 
5 Auto Clean Control Unit...................................................................................................56 

 
 
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5.1 Pressure Regulation .......................................................................................................................57 
5.2 Using standard drainage SS ...........................................................................................................57 
OMD-24 Series Operating instructions...................................................................... 58 
1 Cleaning Options .............................................................................................................59 
Operator Maintenance............................................................................................. 60 
1 General Test....................................................................................................................60 
2 Normal Operation ...........................................................................................................60 
3 Cleaning Process..............................................................................................................61 
4 Intensive Cleaning ...........................................................................................................61 
5 System Test.....................................................................................................................61 
6 Data Logger Checking ......................................................................................................62 
7 MCU and Automatic Cell Cleaning Device.........................................................................62 
8 Maintenance Recommendations......................................................................................63 
Programming Mode ................................................................................................. 64 
1 Buttons ...........................................................................................................................65 
Memory Card........................................................................................................... 66 
1 OMD-CR Memory Card Reader.........................................................................................67 
Fault finding............................................................................................................. 68 
1 Automatic Cell Cleaning Unit Fault Finding .......................................................................70 
Calibration ............................................................................................................... 71 
1 OMD-24 Series ................................................................................................................71 
2 Calibration and Repeatability Check.................................................................................71 
3 Function Test at Classification Survey and Port State Control............................................72 
OMD-24 Series with 5 ppm Alarm Set Point.............................................................. 73 
Spare Parts............................................................................................................... 74 
1 Recommended On Board Spares......................................................................................75 
Optional Equipment ................................................................................................. 76 
REMARKS................................................................................................................. 77 
Appendix I................................................................................................................ 78 
1 Navigation Buttons..........................................................................................................78 
2 Functional Buttons ..........................................................................................................79 
2.1 Functional Button “TEST”...............................................................................................................79 
2.2 Functional Button “ON” .................................................................................................................80 
2.3 Functional Buttons AL1/ AL2/ SET .................................................................................................82 
2.4 Functional Button “SYS”.................................................................................................................84 

 
 
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23.3 Data Logger Operation Buttons........................................................................................85 
23.4 Activating the Memory Card ............................................................................................86 
23.5 Software additional information......................................................................................87 
24. Appendix III.............................................................................................................. 91 
24.1 ALARMS ..........................................................................................................................91 
25. Appendix IV. ............................................................................................................ 92 
25.1 Operator Maintenance Quick Checklist ............................................................................92 
26. Appendix V .............................................................................................................. 93 
26.1 Servicing and Cleaning Manual.........................................................................................93 
Index................................................................................................................................. 106 
List of Figures .................................................................................................................... 107 
Sales & Service Locations .......................................................................................... 108 
Notes: ............................................................................................................................... 109 
Type Approved by: ............................................................................................................ 110 
 

Page: 8

Revision

Document-Name

Revision No.

Notation

Date

OMD-24 Series

R05_20221028

28.10.2022

Page: 9

1. Introduction

The OMD-24 Series Bilge Alarm Units have been designed specifically for use in

conjunction with 15 ppm oil-water separator units and have a specification and

performance which exceeds the requirements of the International Maritime Organization

IMO specifications for 15 ppm Bilge Alarms contained in Resolution MEPC.107 (49).

The units are supplied with 2 works-adjusted alarms at 15 ppm. Set points from 1 ppm to

15 ppm are possible and can be adjusted on site at any time by using the buttons at the

front panel.

If an alarm set point is exceeded, the alarms are visible at the front panel and the

appropriate relays are switched. In case of malfunction the “SYS LED” at the front panel

will change from blinking green to permanent red.

For the data logging function, the unit requires a status input from the separator.

A 0(4) - 20 mA signal output (equal to 0 - 30 ppm) is available for driving a recorder or

external meter.

By request the OMD-24 Series are also available with 5 ppm alarm set point. Additionally,

instrument versions equipped with a Measuring Cell Cleaning Unit or an Automatic Cell

Cleaning Device are available.

OMD-24 Series generally consist of a Computer Unit, a Measuring Cell, and further

equipment (e.g. Valve Assembly, Electrical Valve, Flow Control, and Automatic Cell

Cleaning Device).

The Computer Unit contains the display PCB with the data logger and the terminals for

external connections.

The Measuring Cell is built out of an anodized all-aluminum body with inlet and outlet

block made from stainless steel. This rugged cell contains optics and electronics and is

connected with the Computer Unit via a plugged data cable. The Measuring Cell is

mounted onto a valve support, which holds the valve assembly, too. Sample water and

clean water usage are controlled by an electric Switchover Valve. This assembly is

connected to the measuring cell by a push-in connector.

The Measuring Cell should be positioned vertical.

The OMD-24 units can be mounted on wall or as bulkhead installation. It is also possible

to split the computer unit from the Measuring Cell if the available space is not sufficient.

Optionally a connection cable for up to 5 m distance from Computer Unit to Measuring

Cell is available.

The OMD-24 Series should be located as close as possible to the oily water separator to

minimize response delays. According MEPC.107(49) the layout of the installation should

be arranged so that the overall response time (including the response time of the 15 ppm

Bilge Alarm, which is less than 5 sec.) between an effluent discharge from the 15 ppm

Bilge Separator exceeding 15 ppm, and the operation of the Automatic Stopping Device

Ce manuel convient aux modèles suivants

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