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Troubleshooting

Symptom

Possible Cause

Action

Yellow LED with 
intermittent alarm

A red or yellow sensor 
wire may be 

disconnected

Switch off, check 
connections, restart. 

Otherwise, replace the
sensor

Alarm LED with Alarm A black sensor wire 

may be disconnected

See above

Frequent false alarms

Contaminated sensor /
other gas vapours in 

the air.

Replace sensor

10

Summary of Contents for 2011112/716/12

Page 1: ...Gas Monitoring System Twin Channel Gas Alarm Operation and Maintenance Manual...

Page 2: ......

Page 3: ...hannel Gas Alarm 2011112 716 12 3 24v Twin Channel Gas Alarm 2011112 716 24 3 Installation 4 Power Supply 4 Suitable Installation Locations 4 Valve Gas Monitoring System Only 5 Procedure 5 Operation 7...

Page 4: ...work with two LPG sensors This allows a greater coverage of gas detection for your boat The GMS is also supplied with a solenoid valve which is installed in your gas supply Your gas supply will then b...

Page 5: ...en 750mA Standby BSP Valve open 185mA Standby Valve closed 200mA Alarm Mode Max Sensors 2 Dimensions 120x65x35mm 24v Gas Monitoring System 2011319 716 24 Spec Value Description Supply Voltage 24v DC C...

Page 6: ...n Supply Voltage 12v DC Current 180mA Standby 200mA Alarm Mode Max Sensors 2 Dimensions 120x65x35mm 24v Twin Channel Gas Alarm 2011112 716 24 Spec Value Description Supply Voltage 12v DC Current 55mA...

Page 7: ...le Installation Locations The main unit should be in a location where the alarm is audible and the LEDs can be seen It must be in a location that is protected from the elements and the ventilation hol...

Page 8: ...gram 1 Procedure 1 Open the unit by removing the side screws and separating the two halves of the case 2 Mount the back half of the case to a vertical surface using the mounting holes 3 Pass the two d...

Page 9: ...are not used for the Twin Channel Gas Alarm Terminal 11 can be used to link together two or more Pilot Gas Alarms It may also be used to add a Gas Valve Controller to a Twin Channel Gas Alarm 5 Ensure...

Page 10: ...tabilisation process the sounder will do a longer beep once for each sensor when it has completed stabilisation If the number of beeps does not correspond to the number of sensors connected switch off...

Page 11: ...hich should immediately sound the alarm and close the gas valve Sensor Replacement The gas sensors will lose sensitivity over time Therefore it is recommended to replace the gas sensors every two year...

Page 12: ...oducts around the sensors Submerge the sensors in water Expose the sensors to extreme temperatures Between 10 C and 60 C is the recommended operating temperature DO Replace the sensors every 2 years T...

Page 13: ...arm A red or yellow sensor wire may be disconnected Switch off check connections restart Otherwise replace the sensor Alarm LED with Alarm A black sensor wire may be disconnected See above Frequent fa...

Page 14: ...r with housing and 3 5 meter cable 201115 C Sensor with housing 150mm cable and connector block This can be used to replace just the sensor and housing so that any routed cables can remain in place Va...

Page 15: ...www envinsci co uk Online Shop www envinsci co uk envin shop Email info envinsci co uk Telephone 44 01829 771 792 Address Envin Scientific Limited Technology House Chowley Oak Tattenhall Chester Ches...

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