Operating Precautions
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<Contents>
1 Outline of the Product ......................................................................................................... 2
1-1. Preface ............................................................................................................................ 2
1-2. Purpose of use ................................................................................................................ 2
1-3. Definition of DANGER, WARNING, CAUTION, and NOTE ............................................. 2
1-4. Method of confirmation for Standards and Explosion proof specification ........................ 3
2 Important Notices on Safety................................................................................................ 4
2-1. Danger cases .................................................................................................................. 4
2-2. Warning cases ................................................................................................................. 5
2-3. Precautions ..................................................................................................................... 6
2-4. Safety information ........................................................................................................... 7
3 Product Components .......................................................................................................... 9
3-1. Gas detector and standard accessories .......................................................................... 9
3-2. Names and functions for each part .................................................................................. 10
3-3. Block diagram .................................................................................................................. 11
4 How to Use ......................................................................................................................... 12
4-1. Before using the detector ................................................................................................ 12
4-2. Precautions for installation points .................................................................................... 12
4-3. Precautions for system designing .................................................................................... 13
4-4. How to install ................................................................................................................... 15
4-5. Installation procedure ...................................................................................................... 16
4-6. How to wire ...................................................................................................................... 18
5 How to Operate ................................................................................................................... 22
5-1. Preparation for start-up ................................................................................................... 22
5-2. Basic operating procedures ............................................................................................. 22
5-3. How to start the detector ................................................................................................. 23
5-4. Modes ............................................................................................................................. 24
5-5. User mode ....................................................................................................................... 25
5-6. How to exit ....................................................................................................................... 27
6 Operations and Functions ................................................................................................... 28
6-1. Gas alarm activation ........................................................................................................ 28
6-2. Fault alarm activation ...................................................................................................... 29
6-3. Warning activation ........................................................................................................... 29
6-4. External output operation ................................................................................................ 30
6-5. Other functions ................................................................................................................ 31
7 Maintenance ....................................................................................................................... 32
7-1. Maintenance intervals and items ..................................................................................... 32
7-2. Proof Test ........................................................................................................................ 34
7-3. Gas calibration method ................................................................................................... 34
7-4. Parts replacement ........................................................................................................... 37
8 Storage, Relocation and Disposal ....................................................................................... 39
8-1. Procedures to store the detector or leave it for a long time ............................................. 39
8-2. Procedures to relocate the detector or use it again ......................................................... 39
8-3. Disposal of products ........................................................................................................ 39
9 Troubleshooting .................................................................................................................. 40
10 Product Specifications ......................................................................................................... 42
10-1. List of specifications ...................................................................................................... 42
10-2. Detection principle ......................................................................................................... 46
11 Definition of Terms ............................................................................................................... 47
