1
TABLE OF CONTENTS
1.PRODUCT OUTLINE
1-1. Preface ………………………………………………………………………
2
1-2. Application for use ……………………………………………………………
2
1-3. Definition of DANGER, WARNING, CAUTION and NOTE …………………
2
1-4. Method of confirmation for CE/UKCA marking type
(Non-explosion proof specification only) …………………
2
2.IMPORTANT INSTRUCTIONS FOR THE SAFETY
2-1. Danger cases …………………………………………………………………
3
2-2. Warning cases …………………………………………………………………
3
2-3. Precaution ……………………………………………………………………
3
2-4. Caution for explosion proof (In case of intrinsically safe design) …………
3
3.PRODUCT COMPONENTS
3-1. External dimensions …………………………………………………………
4
3-2. Names and functions for each part ………………………………………… 5
3-3. System composition …………………………………………………………
6
4.HOW TO USE
4-1. Before operation ……………………………………………………………
8
4-2. Installation place ……………………………………………………………
8
4-3. Maintenance space …………………………………………………………
8
4-4. Installation work ……………………………………………………………
8
4-5. Caution at wiring construction ……………………………………………
9
4-6. Applicable cable ……………………………………………………………
9
4-7. Example of cable connection ………………………………………………
9
4-8. Caution at piping works ………………………………………………………
10
4-9. Example of piping connection ………………………………………………
11
5.OPERATION METHOD
5-1. Preparation for start up ……………………………………………………
12
5-2. Start up ………………………………………………………………………
12
5-3. Stopping the operation ………………………………………………………
12
6.MAINTENANCE AND INSPECTION
6-1. Inspection frequency and items ……………………………………………
13
6-2. How to calibration
6-2-1. Required kit and tools for calibration ……………………………
14
6-2-2. Performing a zero adjustment ……………………………………
14
6-2-3. Performing a span adjustment ……………………………………
14
6-3. Replacing the sensor
6-3-1. Replacement frequency of the sensor …………………………
15
6-3-2. How to replace the sensor ………………………………………
15
6-4. List of recommendable spare parts for regular replacement ……………
16
7.STORAGE, RELOCATION AND DISPOSAL
7-1. Procedures to store the detector head or leave it for a long time ………
17
7-2. Procedures to relocate the detector head or use it again ………………
17
7-3. Disposal of products ………………………………………………………
17
8.MEASURES AT ABNORMAL CASE
8-1. Responding to trouble alarm ………………………………………………
18
8-2. Before it is thought to be a trouble ………………………………………
18
9.PRODUCT SPECIFICATIONS
9-1. Standard specifications …………………………………………………
19
9-2. Standard accessories ……………………………………………………
19
9-3. Optional accessories ……………………………………………………
19
9-4. Detection principle …………………………………………………………
20
10.DEFINITION OF TERMS ……………………………………………………………
21
Summary of Contents for GD-F4A-A
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