Rae FMC-40 Operating Handbook Download Page 13

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Mother Board

Relay Selection

Common High Relay - Normally 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

Standby Battery

- Connect leads to - (JP11 and JP12)

Fig 2

Summary of Contents for FMC-40

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 16: ...16...