
English
SUMMARY
1. Introduction..................................................................................................... 20
1.1 General description ............................................................................................................20
1.2 Gas detectors identication ............................................................................................21
1.3 Technical specications.....................................................................................................21
2. Certications ................................................................................................... 22
2.1 Marking...................................................................................................................................23
3. Installation site prearrangement ............................................................. 24
3.1 Suitability of detectors in relation to the area of installation .............................24
3.2 General precautions...........................................................................................................24
3.3 Environmental conditions................................................................................................24
3.4 Precautions based on the gas to detect and environmental inhibitors..........25
4. Special conditions for safe use.................................................................. 25
5. Installation........................................................................................................ 26
5.1 Correct mounting ...............................................................................................................26
5.2 Earth ground connection ................................................................................................26
5.3 Cable entry ............................................................................................................................26
5.4 Cables .....................................................................................................................................26
5.5 Main board layout...............................................................................................................27
5.6 Detector conguration......................................................................................................27
5.7 Connection with 4-20 mA output .................................................................................28
5.8 RS485 serial output connection (optional) ................................................................29
5.9 Connection to optional boards......................................................................................30
6. Testing and use............................................................................................... 31
6.1 Power on.................................................................................................................................31
6.2 Testing .....................................................................................................................................31
6.3 Use ...........................................................................................................................................32
7. Maintenance.................................................................................................... 33
7.1 Preventive maintenance routines .................................................................................33
7.2 Corrective maintenance routines..................................................................................33
7.3 Sensor head substitution .................................................................................................33
7.4 Cleaning..................................................................................................................................34
7.5 Data reset to default parameters...................................................................................34
7.6 Disassembly instructions..................................................................................................34
7.7 Trouble shooting guide ....................................................................................................34
8. Repair................................................................................................................. 35
9. Packing instructions ..................................................................................... 35
10. Accessories ...................................................................................................... 36
11. Warranty coupon for repair........................................................................ 37
12. Instructions for disposal.............................................................................. 38