QMI TRIPLEX Manuale utente

TRIPLEX™ OIL MIST

MONITORING

SYSTEM

Atmospheric Oil Mist Detection

System Manual

TM4 / AUGUST 2018

QMI TRIPLEX™

Atmospheric Oil Mist Detection System Manual

TM4 / AUGUST 2018

You have chosen a QMI oil mist detection system that has been providing a fast

response without false alarms to protect lives and prevent fires since the early

eighties.

The QMI TRIPLEX™ Atmospheric Oil Mist Detection Systems can locate a hazardous

build up of oil mist in confined areas such as: pump rooms, bow thrusters, purifier

rooms, hydraulic pack areas, and test cells.

We can provide QMI MULTIPLEX™ Atmospheric and Engine Oil Mist Detection

Systems. The MULTIPLEX™ systems have up to 12 channels and can be used to

monitor engine condition continuously to see when and where repairs are needed

thus avoiding unnecessary engine wear and the resulting danger. The MULTIPLEX™

can also be used for larger Atmospheric Systems. 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.

Type Approval from:

Atmospheric Oil Mist Detection System

TM4 / AUGUST 2018

Table of Contents

Technical Specifications Sheet-4

QMI TRIPLEX Central Monitor Unit (CMU) (Q01T): Photograph and Features Sheet-5

Dimensions of TRIPLEX Monitor Sheet-6

Description of Triplex Monitor (Q01T) Sheet-7

Description of Q10 Atmospheric Sensor Sheet-8

Photograph of Q10 Atmospheric Sensor Sheet-9

Drawing of Q10 Atmospheric Sensor Sheet-10

Positioning and Location of Atmospheric Sensors Sheet-11

Positioning of Q10 Atmospheric Sensor Sheet-12

Schematic of Positioning of Sensors and Best Practice Sheet-14

Fault Alarm and Cable Specification Sheet-16

Wiring Description Sheet-17

Wiring of Socket Sheet-18

Wiring for System Layout Sheet-19

Photograph of Power Supply Board (Q01T05) Sheet-20

Drawing of PSB Sheet-21

Schematic of layout for Wiring Option 1: for 1 to 3 Atmospheric Sensors Sheet-22

Drawing – Connection from Atmospheric Sensor to Monitor Sheet-23

Drawing – Wiring from Atmospheric Sensor to Monitor Sheet-24

Schematic of layout for Wiring Option 2: For 2 or 3 Atmospheric Sensors using a Junction

Box Sheet-25

Photograph of unboxed 3 – Way PCB (Q01T06) Sheet-26

Drawing – Unboxed 3 – Way PCB for a Junction Box Sheet-27

Drawing – Wiring from Monitor to PCB (Q01T06) Sheet-28

Drawing – Connections from PCB to Atmospheric Sensors Sheet-29

Drawing – Wiring from Junction Box PCB to Atmospheric Sensors Sheet-30

Alarm Outputs and Alarm Levels Sheet-31

Graph to show relationship between Oil Mist concentration and Digital Alarm readout Sheet-32

QMI Triplex 4-20mA Analogue Data Output - (Optional) Sheet-33

Operation of Alarm Relays Sheet-34

Alarm Level, Checking And Changing Sheet-35

Test Sequence Sheet-36

Channel Numbers, Changing Sheet-37

To Isolate or Restore a Channel Sheet-38

Restore Alarms Sheet-39

Drawing – Layout of Transistors and Fuses Sheet-41

Fault Directory Sheet-42

Maintenance Procedures Sheet-44

Lens Cleaning Procedure Sheet-45

Suggested Maintenance Plan for Atmospheric Sensors Sheet-46

Replacing Fan (Q1004) in Sensor Sheet-47

Maintenance Kit Check List Sheet-48

Spares, Codes and Descriptions Sheet-49

Returns Procedure Sheet-50

QMI Request For After Sales Information Sheet-51

Atmospheric Oil Mist Detection System

TM4 / AUGUST 2018

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

Sheet-4

TECHNICAL SPECIFICATIONS

POWER SUPPLY Nominally 110 - 240 VAC 50/60 Hz

MAXIMUM POWER CONSUMPTION 100W

MAXIMUM SAMPLING CHANNELS 3

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

Shutdown Alarm

NOT INCLUDED IN SELF TEST

SEQUENCE

Normally de-energised with 1 set of change

over contacts

Fault Alarm Normally energised with 1 set of change

over contacts

OPERATING TEMPERATURE 5°C - 70°C Monitor, Sensor and Fan Unit

DIMENSIONS (mm) WEIGHT (Kg)

Q01T Triplex Monitor 280 x 230 x 128 5.2

Sensor (DH) 359 x 113 x 73 2.3

Sealed to IP65 or better Monitor, Sensor and Fan Unit

MAXIMUM CABLE DISTANCE Maximum distance between Sensor and

Monitor is 100 metres.

Fuse - FS1 Internal Sensor Interface 1.25A anti-surge

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

surge

Fuse - FS3 External 110 - 240 VAC 3.15A anti-surge

FEATURES Continuous self-monitoring fault diagnosis

Manual test facility of all functions

Including shutdown facility (e.g. hydraulic

pack)

Atmospheric Oil Mist Detection System

TM4 / AUGUST 2018

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

Sheet-5

4 x door securing screws M4

Channel switches

Oil mist status LED and alarm indicator

Channel identication

Power indicator

Testing

CPU indicator

Magnetic pen

Alarm setting switches

Fuse FS3

Serial number

Security key switch

Oil mist level reading, setting and

fault location readout

Fault directory

Operating instructions

Isolate, reset and test switches

Alarm level

viewing switch

Glands (as shown above) are not supplied.

The Monitor is supplied with blind grommets.

QMI TRIPLEX CENTRAL MONITOR UNIT (CMU) (Q01T):

PHOTOGRAPH AND FEATURES

Atmospheric Oil Mist Detection System

TM4 / AUGUST 2018

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

Sheet-6

130mm

230mm

280mm

OVERALL WIDTH WITH HINGE AND MAGNETIC KEY

SPACE BETWEEN HOLES IN BOTTOM OF MONITOR

IS APPROXIMATELY 46mm

HINGE

325mm

MAGNETIC PEN

FUSE

KEY

130mm

230mm

93mm

37mm

Dimensions of TRIPLEX MONITOR

FIXING HOLES

8mm

180mm

260mm

THIS DRAWING IS NOT TO SCALE

8 Holes of 20mm diameter

4-20mA Analogue Data Output Connection

DIMENSIONS OF TRIPLEX MONITOR

Atmospheric Oil Mist Detection System

TM4 / AUGUST 2018

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

Sheet-7

The Monitor Enclosure contains:

Display Panel

Power Supply Board (PSB)

Plugs and sockets for relevant connections

Fuses

Keyed Security Switch

The Display Panel

The display panel is mounted on a hinged bezel which is secured to the enclosure

by (4) M6 Captive socket head screws. Releasing the screw allows access to the

TRIPLEX PCB and the power supply board within.

TRIPLEX PCB (Q01T04)

The back of the display panel carries the Triplex MP3 Processing Board, Binary Switch

and Flash Chip. The PCB is held to the panel with (5) M4 cheese head screws.

Power Supply Board (Q01T05) with PSU

Mounted on the board is a Power Supply Unit, fuses, TR1 transistor, alarm relays, and

termination sockets.

NOTE:

THE PLUGS ARE SHAPED AND CAN ONLY BE FITTED ONE WAY.

INCORRECT FITTING DAMAGES THE SOCKET CAUSING UNIT MALFUNCTION.

Fuses

FS1 (Q0114) is a 1.25A anti-surge fuse connected to TR1 and supplies the

Sensor. The LED continually flashes in operation.

FS2 (Q0112) is a 400mA anti-surge fuse for the 12V power supply to the fan.

The LED is permanently lit in operation.

FS3 (Q0115) is a 3.15A anti-surge fuse (in a holder) fitted to the side of the

Monitor.

Security Key Switch on the right side of the Monitor.

THE SECURITY KEY IS REQUIRED TO CHANGE SETTINGS.

HORIZONTAL = LOCKED MODE

VERTICAL = SETTING MODE

NOTE:

THERE IS NO MAINS ISOLATOR FITTED TO THE MONITOR.

QMI RECOMMEND A SECURE MAINS ISOLATOR IS FITTED TO PREVENT POWER

INTERRUPTION TO THE SYSTEM.

DESCRIPTION OF TRIPLEX MONITOR (Q01T)

Atmospheric Oil Mist Detection System

TM4 / AUGUST 2018

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

Sheet-8

DESCRIPTION OF Q10 ATMOSPHERIC SENSOR

See drawing Sheet-10

The Sensor operates using the principle of light scatter (nephelometry). The power

and signal are transmitted to and from the Monitor through a single cable sending a

timed analogue signal. All Sensors sample simultaneously and continuously every half-

second (500 milliseconds).

The assembled Sensor comprises:

(a) Articulated Joint and mounting flange

(b) Chamber

a) ARTICULATED JOINT AND MOUNTING FLANGE

See drawing Sheet-10

The Articulated Joint is fitted to bulkhead or deck allowing the Sensor to be positioned

facing the flow of air in the chamber being monitored.

The sub-assembly is fitted to the Articulated Joint by 4 screws, which can be removed

if and when the Sensor lens requires cleaning.

b) CHAMBER

Inside the unit are the PCB, integral fan, and sensing lenses. Power is supplied to the

12-volt fan by a single cable, which is connected to the

Monitor (or to a junction box). The fan draws the sample of air past the sensors

through the outlet ports.

In the front of the Sensor unit are the air intake louvers, and an LED, which shows

green when the fan is working. The electronics are mounted on the back of the

chamber casing and are protected by the cover sealed to IP 65.

At the back of the unit is the multi-purpose power and signal socket. Next to the

socket is the mounting spigot.

NOTE: The integral fan is interchangeable without recalibrating the Sensor.

It is a consumable item and does not come under warrantly. New Fans can be

purchased from your Agent.

Atmospheric Oil Mist Detection System

TM4 / AUGUST 2018

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

Sheet-9

PHOTOGRAPH OF Q10 ATMOSPHERIC SENSOR

Atmospheric Oil Mist Detection System

TM4 / AUGUST 2018

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

Sheet-10

DRAWING OF Q10 ATMOSPHERIC SENSOR

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