English
SUMMARY
1. Introduction..................................................................................................... 21
1.1 General description ............................................................................................................21
1.2 Gas detectors identication ............................................................................................22
1.3 Technical specications.....................................................................................................22
2. Certications ................................................................................................... 23
2.1 Marking...................................................................................................................................23
2.2 Gas approved........................................................................................................................25
3. Installation site prearrangement ............................................................. 27
3.1 Suitability of detectors in relation to the area of installation .............................27
3.2 General precautions...........................................................................................................27
3.3 Environment conditions ..................................................................................................28
3.4 Precautions based on the gas to detect and environmental inhibitors..........28
4. Special conditions for safe use.................................................................. 29
5. Installation........................................................................................................ 29
5.1 Correct mounting ...............................................................................................................29
5.2 Earth ground connection ................................................................................................30
5.3 Cable entry ............................................................................................................................30
5.4 Main board layout...............................................................................................................30
5.5 Detector conguration......................................................................................................31
5.6 4-20 mA output connection............................................................................................31
5.7 RS485 serial output connection.....................................................................................32
5.8 Connection to relay board ...............................................................................................32
6. Testing and use............................................................................................... 33
6.1 Power on.................................................................................................................................33
6.2 Testing .....................................................................................................................................33
6.3 Use ...........................................................................................................................................33
7. Maintenance.................................................................................................... 34
7.1 Preventive maintenance routines .................................................................................34
7.2 Corrective maintenance routines..................................................................................34
7.3 Note on IP grade..................................................................................................................34
7.4 Sensor head substitution .................................................................................................34
7.5 Cleaning..................................................................................................................................35
7.6 Data reset to default parameters...................................................................................35
7.7 Disassembly instructions..................................................................................................35
7.8 Trouble shooting guide ....................................................................................................35
8. Repair................................................................................................................. 36
9. Packing instructions ..................................................................................... 36
10. Accessories ...................................................................................................... 37
10.1 Accessories’inuence to performance .......................................................................37
11. Instructions for disposal.............................................................................. 38
12. Warranty coupon for repair........................................................................ 39
