Sensitron SMART3G-GrI, Instruction Manual

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English
SUMMARY
1. Introduction ..................................................................................................... 20
1.1 General description ............................................................................................................20
1.2 Gas detectors identification ............................................................................................21
1.3 Technical specifications .....................................................................................................21
2. Certifications ................................................................................................... 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 configuration ......................................................................................................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