Introduction; Important Notes - Deckma Hamburg OMD-2008 Instruction Manual

1

Introduction

The OMD-2008 EV-FC Bilge Alarm Unit has been designed specifically for use in
conjunction with 15 ppm oil-water separator units and has a specification and
performance which exceeds the requirements of the International Maritime
Organization specifications for 15ppm Bilge Alarms contained in Resolution
MEPC. 107 (49).
The unit is supplied with 2 works-adjusted alarms at 15 ppm. Other set points
(10 ppm or 5 ppm) are possible and can be adjusted on site at any time by using
the buttons at the front panel.
Instruments with maximum Alarm set-points of 10 ppm or 5 ppm respectively are
available.
If an alarm set point is exceed, the alarms are visible at the front panel and the
appropriate relays are switched. In case of malfunction the System 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 (equal to 0 - 30 ppm) signal output is available for driving a
recorder or external meter.
The OMD-2008 EV-FC is be equipped with an electric switchover valve for clean
water usage and a Flow Sensor. A Manual Cleaning Unit is available as an
option (MCU). Different instrument versions are covered in this document. Please
verify instrument version on site and refer to the relevant sections of this manual.
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Important Notes

a) This equipment must be installed and operated in strict accordance with the
instructions contained in this manual. Failure to do so will impair the protection
provided.
b) Installation and servicing must be undertaken by a competent and suitable
skilled person.
c) The equipment must be connected to the ground according relevant
requirements.
d) The unit must be isolated from the electrical supply before any maintenance of
the equipment is attempted.
e) All National or local codes of practice or regulations must be observed and,
where applicable, are deemed to take precedence over any directive or
information contained in this manual.
f) In case of freezing conditions the measuring cell should be emptied
completely.
Issue: 08.07.2015
DECKMA HAMBURG GmbH
Instruction Manual OMD-2008 (EV, FC, MCU Versions) Page 3 of 28