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Deckma Hamburg OMD-2008 User Manual

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I N S T R U C T I O N M A N U A L
15ppm Bilge Alarm
OMD-2008
Standard Version
and Versions with
Electric Valve (EV)
Flow Control (FC)
Manual Cleaning Unit
(MCU)
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
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Deckma Hamburg OMD-2008 Specifications

General IconGeneral
BrandDeckma Hamburg
ModelOMD-2008
CategorySecurity System
LanguageEnglish

Summary

IMPORTANT NOTICE

General

Monitors inspected prior to delivery; proper identification of type/version is crucial.

Service Exchange Units

Recommendation to order service exchange unit for malfunctions; return defective unit within 30 days.

Remark

Unit requires checking at IOPP Certificate renewal survey; OMD-2008 EVFC has calibration certificate.

Warranty

1 Introduction

1.1 General

OMD-2008 Bilge Alarm designed for 15 ppm oil-water separators, exceeding IMO requirements.

1.2 Instrument Versions and Options

OMD-2008 available in versions with electric switchover valve and flow sensor.

1.2.1 FC (Flow Control)

OMD-2008 FC instruments have a Flow Sensor to detect low flow rates.

1.2.2 EV (Electric clean water Valve)

1.2.3 MCU (Manual Cleaning Unit)

2 Important Notes

3 Principle of operation

3.1 Measuring Principle

Optical sensor array measures light scattered/absorbed by oil; processed by microprocessor.

3.2 Adjustment

Unit delivered with works calibration; zero point can be re-adjusted; calibration check by manufacturer.

3.3 Displays and Alarms

Two independent oil alarm circuits; adjustable set points from 1-15 ppm; alarm LEDs on front panel.

3.4 Electronic record

4 Specifications

5 Construction

5.1 Overview

Instruments consist of Computer Unit and Measuring Cell assembly.

5.2 Computer Unit

Contains display, power supply, terminals, and memory card for electronic record.

5.3 Measuring Cell

Aluminium body with stainless steel blocks; contains optics and electronics.

5.4 FW valve

5.5 Other devices

6 Installation

7 Piping

8 Wiring

8.1 Typical Control System

System uses alarm relay 2 to control pneumatic solenoid valve for overboard discharge.

8.2 Remote EV Electric Valve control

EV valve can be remotely controlled via terminals 19&20.

9 Power Supply

10 Commissioning

10.1 Electrical and Piping

Checks for power supply, automatic stopping device wiring, grounding, and piping connections.

10.2 Flow rate adjustment

Adjusting flow rate for sample and clean water streams to approx. 2 Liters per Minute.

10.3 Functional Tests

10.4 Programming Mode

11 Operating instructions

11.1 Operator Notes

Notes on display values, alarm indicators, and correct measurement maintenance.

12 Operator Maintenance

12.1 Routine maintenance

Weekly tasks include flushing cell, stopping flow, cleaning cell with brush.

12.2 Manual Cell Clean Unit (MCU)

12.3 Additional manual cleaning

12.4 Indications for need of cleaning

12.5 Cleaning of Glass Tube at 15 ppm Bilge Alarms OMD-2008 series

12.6 Removal of Iron Oxide Layer with Citric Acid

13 Fault finding

13.1 Memory Card

Memory card location and suitability for instrument life; writing only in related system.

14 Calibration

14.1 Calibration and repeatability check

Procedure to switch off power, stop flow, clean tube, and check reading.

14.2 Function Test at Classification Survey and Port State Control

Describes tests for accuracy, repeatability, and alarm conditions required for surveys.

15 Spare Parts

15.1 Recommended On Board Spares

Lists recommended spare parts to keep on board, such as a service kit.

16 REMARKS

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