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Contents

Description................................................................................................................3-4

Technical Specification .............................................................................................. 5

Installation ................................................................................................................6-7

Commissioning ......................................................................................................8-10

Service - Routine Attention ...................................................................................... 10

Table of Lower Explosive Limits ................................................................................13

ILLUSTRATIONS

Fig

1 Front View - Controls............................................................................................ 14

2 Mother Board Detail and Field Terminals ..............................................................15

3 Alarm Board - Component Layout ........................................................................16

4 Sensor Termination................................................................................................17

SYSTEM DATA

Manufacture date: -

Works Order No:-

Sensor type: -

life:

Gas: -

Range: -

Low alarm trip: -

High alarm trip: -

Fault Relay:- Normally Energised - Latched

Alarm Relays:- Normally De-Energised - Latched

Details: -

This document is non contractual and the equipment specification and detail may be modified at any time without prior notice.

Содержание FMC-40

Страница 1: ...FMC 40 OPERATING HANDBOOK Manual No AWK043 4 C922...

Страница 2: ...il and Field Terminals 15 3 Alarm Board Component Layout 16 4 Sensor Termination 17 SYSTEM DATA Manufacture date Works Order No Sensor type life life life life Gas Range Low alarm trip High alarm trip...

Страница 3: ...is indicated by the amber L E D press again to continue the auto step sequence RANGE INDICATORS Three range indicators are positioned directly above the panel meter L E L Lower Explosive Level PPM Par...

Страница 4: ...ER used to adjust the meter indication to read correctly when the sensor is subject to a test gas of known concentration ALARM SET SWITCH alarm trip points setting SENSOR CURRENT POTENTIOMETER sensor...

Страница 5: ...core 1 5mm screened cable mineral insulated copper sheathed or steel wire armoured maximum cable loop resistance 20 ohms Transmitter 3 core 0 5 mm minimum screened cable mineral insulated copper shea...

Страница 6: ...f the power supply to which the instrument will be connected SITING THE SENSING HEADS A key feature of the installation is the correct siting of the sensing head Several considerations must be taken i...

Страница 7: ...vent gas reaching the sensor When monitoring gases outside those lighter than air will be quickly dispersed but gases heavier than air will tend to form in layers and again cause a dangerous hazard Wh...

Страница 8: ...minutes for the sensors to stabilise Select channel 1 and for flammable or toxic sensors adjust meter to read zero by means of appropriate ZERO POTENTIOMETER marked Z on the alarm module or for oxyge...

Страница 9: ...isplay toxic flammable or 20 8 for oxygen and press alarm set switch alarm indicators will turn off and the green power indicator will turn on SENSOR SUPPLY ADJUSTMENT CATALYTIC SENSOR Factory set no...

Страница 10: ...servicing and instructed not to attempt to exceed the scope of such training Liaison should be established with those responsible for maintenance of the building fabric or redecoration etc to ensure t...

Страница 11: ...switch on or off any electrical lights or appliances D Turn off the gas supply at the gas emergency control and or with L P G supply the storage tank E Open doors and windows to increase ventilation I...

Страница 12: ...er Million vol Volume Hi High Alarm Lo Low Alarm C1 C4 Channel Selection Sensor F Fault Indicator P Power On Green Mains Fail Red Hold Channel Selection Reset Sounder Alarms Test Electronic System Tes...

Страница 13: ...ly energised Normally de energised J3 Common Low Relay Normally energised Normally de energised J1 Common Fault Relay Normally energised Normally de energised J5 Sounder Permanent Mute JP10 remove Sta...

Страница 14: ...secs T2 30 secs When used with GDS300 Flow sample systems FS Sensor Selection 24v 4 20mA input P Pellistor mV input 4 20mA Output TP3 TP4 Calibration TP1 TP2 Adjustments Potentiometer RV1 Sensor Zero...

Страница 15: ...l Unit Detector Head mV pellistors or 3 wire CV W Y P W Y SIG P E Gas Detector Control Unit CV Transmitter Gas Detector Control Unit Transmitter W Y P 24V OV SIG Sensor Sensor Sensor RED ident R flamm...

Страница 16: ...16...

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