QMI MULTIPLEX Series Bedienungsanleitung

MULTIPLEX™

Oil Mist Detection System

Manual

ATMOSPHERIC SENSOR

AM8/JANUARY 2015

QMI MULTIPLEX™

Atmospheric Oil Mist Detection System Manual

AM8/JANUARY 2015

You have chosen the QMI MULTIPLEX™ Atmospheric Oil Mist Detection System to

locate hazardous levels of oil mist in confined areas such as: engine rooms, pump

rooms, bow thrusters, purifier rooms, hydraulic pack areas, and test cells.

We can provide the smaller QMI TRIPLEX™ Atmospheric Oil Mist Detection Systems for

spaces that require up to three Sensors.

The QMI MULTIPLEX™ Oil Mist Detection Systems have been providing a fast response

without false alarms to protect lives and prevent fires since the early eighties. Our Engine

Oil Mist Detection Systems provide engine condition data to continuously monitor when

and where repairs are needed thus avoiding unnecessary engine wear and the resulting

danger.

This system is designed to measure oil mist between 3 and 10 microns.

For more information please see our website: www.oilmist.com

Errors and omissions excepted. As we strive to improve our service and products specifications may

change or vary.

Atmospheric Oil Mist Detection System

MULTIPLEX

AM8/JANUARY 2015

Table of Contents

PART 1

INTRODUCTION

Technical Specifications Part1-2

QMI MULTIPLEX Monitor Part1-3

MULTIPLEX Central Monitor Unit (CMU) Layout Part1-4

Description of Central Monitoring Unit (CMU) Part1-5

Description of Sensor (Q10) Part1-7

Photograph of Sensor (Q10) Part1-8

Drawing of Atmopheric Sensor Part1-9

PART 2

INSTALLATION

General Wiring Layout for MULTIPLEX Atmospheric System Part2-2

Cut out for QMI Panel/Wall Mounted Monitor Part2-3

Positioning and Location of Sensors Part2-4

Positioning of QMI Atmospheric Sensor (Q10) Part2-5

Schematic of Positioning of Sensor and Best Practice Part2-7

Monitor with Harting Connectors Part2-9

Cable Specifications Part2-10

Wiring Description Part2-11

Wiring of Socket Part2-12

Multi-core Cable Sizing Table When Less than 10 Atmospheric

Sensors are used Part2-13

Multi-way Junction Box PCB with 12V PSU (Q07) Part2-14

Connector (Q01H1) Details for QMI MULTIPLEX CMU - Junction Box Part2-15

Cable Details for Atmospheric Sensors 6 Pole Socket (Q1006) Part2-16

Connector Details for QMI MULTIPLEX CMU - Junction Box when

used with Atmospheric Sensors (Q10) Part2-18

Wiring Details for Junction Box to Atmospheric Sensors (Q10) Part2-19

Overall View of Connector No. 4 For QMI MULTIPLEX Mains

110/240V Power Socket (Q01H4) Part2-20

110/240V Power Supply Wiring Part2-21

Cable Details for QMI MULTIPLEX Relay Alarm Output (Q01H3) Part2-22

Cable Details for QMI MULTIPLEX Relay Shutdown Output (Q01H2) Part2-23

Alarm Output Wiring Part2-25

Optional Plant Shutdown Wiring Part2-26

Graph to show relationship between mg/L, Digital Readout of

Percentage of Alarm Level and the Percentage of LEL Part2-27

QMI MULTIPLEX 4-20mA Data Logger Output Part2-28

Cable Details for QMI MULTIPLEX 4-20mA Data Logger Output

(Q01H5) Part2-29

PART 3

STARTING UP/RUNNING PROCEDURE

Operation Part3-2

Operation of Alarm Relays Part3-3

Setting and Changing Alarm Levels Part3-4

Test Sequence Part3-5

Checking Alarm Levels and Reading Channels Part3-6

Changing the Number of Sensors Part3-7

Setting Up of Sensors Required Part3-8

To Isolate or Restore a Channel Part3-8

Response to Alarm Part3-9

PART 4

FAULT FINDING

Drawing – Layout of Transistors and Fuses Part4-2

Fault Directory Part4-3

PART 5

MAINTENANCE

Maintenance Procedures Part5-2

Lens Cleaning Procedure Part5-3

Replacing Fan (Q1004) in Sensor Part5-5

Maintenance Kit (Q1005) Part5-6

Suggested Maintenance Plan for Atmospheric Sensors Part5-7

PART 6

SPARES

Codes and Description for Replacement Parts and Spares Part6-2

Returns Procedure Part6-3

QMI Continual Support Information Request Part6-4

Atmospheric Oil Mist Detection System

MULTIPLEX

AM8/JANUARY 2015

EMAIL [email protected] WEBSITE www.oilmist.com 4 East Barnet Road, London, England, EN4 8RW TEL +44 (0)20 7328 3121

Introduction Part1-1

PART 1

INTRODUCTION

MULTIPLEX Atmospheric Oil Mist Detection System

AM8/JANUARY 2015

EMAIL [email protected] WEBSITE www.oilmist.com 4 East Barnet Road, London, England, EN4 8RW TEL +44 (0)20 7328 3121

Introduction Part1-2

TECHNICAL SPECIFICATIONS

POWER SUPPLY Nominally 110/240VAC 50/60 Hz

MAXIMUM POWER

CONSUMPTION

100W

MAXIMUM SAMPLING

CHANNELS

CYCLE TIME 500 milliseconds simultaneously on all channels

MEASURING SYSTEM Time multiplex analogue signal

SYSTEM OUTPUTS - RELAYS All relays fitted with maximum change contacts

voltage rating 110V@8A to 240V 5A

Main alarm Normally energised with 1 set of change over

contacts

Early warning alarm Normally energised with 1 set of change over

contacts

Function shutdown alarm 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)

Central Monitoring Unit (CMU) 403 x 312 x 128 10

Sensor (DH) 359 x 113 x 73 2.30

MONITOR SEAL Monitor is sealed to IP65

MAXIMUM DISTANCE Maximum cable length between DHs and CMU is

100 metres. (for longer lengths contact QMI)

FUSE ARRANGEMENTS:

Internal FS1 -Head Interface 1.25A anti-surge

Internal FS2 -12V DC Fan Failure Supply 400mA anti-surge

Internal FS3 -400mA Data Logger PCB Protection

External FS4 -110/240VAC 3.15A anti-surge

OPERATING TEMPERATURE:

Monitor (Q01H)

5° - 70°C

FEATURES Continuous self-monitoring fault diagnosis

Manual test facility of all functions

Functional shutdown (e.g. hydraulic pack)

OPTIONAL 4-20mA output for up to 12 individual alarms or

data-logging of alarms See Part 2-29 and 2-30.

Atmospheric Oil Mist Detection System

MULTIPLEX

AM8/JANUARY 2015

EMAIL [email protected] WEBSITE www.oilmist.com 4 East Barnet Road, London, England, EN4 8RW TEL +44 (0)20 7328 3121

Introduction Part1-3

Channel switches

Oil mist status LED and

Alarm indicator

Channel identification

Power indicator

Setting indicator LEDs

Operating instructions

Magnetic pen

Testing

CPU indicator

Alarm setting switches

Alarm level viewing switch

Fuse (FS3 - Q0115)

Security key switch

12345678910 11 12

Oil mist level reading, setting and fault location read out

Fault directory

Isolate, reset and test switches

Channel number

Channel Reading

mgm/litre

Isolate Reset Test

Testing

No CPU

Raise alarm level

Lower alarm level

OPERATING INSTRUCTIONS

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

Isolate detector

Restore detector

Normal operation

Channel number

Alarm level + Channel number

Test

Alarm level + Test + Channel number

Isolate + Channel number

Isolate + Reset + Channel number

Reset

Quality Monitoring Instruments, London, NW6 2HL, UK

FAULT DIRECTORY

Channel Reading Fault Condition Action required

1-12 F1 Cable fault Check/repair relevant cable

1-12 F2 Detector dirty Clean detector according to instructions

1-12 F3 Detector faulty Clean as F2 first or replace detector

1-12 IC Isolated Circuit Checking operating instructions

C F4 Fan Failure Check fan and fan failure detecting system

NOTE: if 'No CPU' light is on, refer to manual.

'dd' on test is dirty detector.

'cd' on test is clean detector.

Alarm level

Setting

QMI MULTIPLEX MONITOR

MULTIPLEX Atmospheric Oil Mist Detection System

AM8/JANUARY 2015

EMAIL [email protected] WEBSITE www.oilmist.com 4 East Barnet Road, London, England, EN4 8RW TEL +44 (0)20 7328 3121

Introduction Part1-4

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