User Guide

Single Zone Gas Monitor
P/N: 3015-4256 Rev 10 v
Table of Contents
SECTION 1. INTRODUCTION..................................................................................................................... 1
1.1. How to Use This Manual..................................................................................................................... 1
1.2. Warning Statements ........................................................................................................................... 1
1.3. Caution Statements ............................................................................................................................ 1
1.4. Hazard Symbols Located on the Monitor ........................................................................................... 1
1.5. Safety Precautions .............................................................................................................................. 1
1.5.1. AC Power Supply .................................................................................................................... 1
1.5.2. Protective Grounding ............................................................................................................... 2
1.5.3. Explosive Atmosphere ............................................................................................................. 2
1.5.4. Proper Exhaust Venting .......................................................................................................... 2
1.5.5. Accessing the Interior of the Monitor ....................................................................................... 2
1.5.6. Misuse and Modifications to the Monitor ................................................................................. 2
1.5.7. In Case of Malfunction ............................................................................................................. 2
1.5.8. Fusing ...................................................................................................................................... 2
1.5.9. Installation Category ................................................................................................................ 2
1.5.10. Altitude Limit ............................................................................................................................ 2
1.5.11. Cleaning .................................................................................................................................. 2
1.6. Functional Overview ........................................................................................................................... 2
1.6.1. General Description ................................................................................................................. 2
1.6.2. Understanding Monitoring Levels ............................................................................................ 3
1.6.3. Suggested Location of Sampling Point ................................................................................... 3
1.7. Specifications ...................................................................................................................................... 4
SECTION 2. INSTALLATION ...................................................................................................................... 6
2.1. Installation Considerations.................................................................................................................. 6
2.1.1. Warnings and Cautions ........................................................................................................... 6
2.1.2. Inspection ................................................................................................................................ 6
2.1.3. Location of the Monitor ............................................................................................................ 6
2.2. Mounting Instructions .......................................................................................................................... 6
2.3. Connecting Gas Sample and Exhaust Lines ...................................................................................... 7
2.3.1. Overview .................................................................................................................................. 7
2.3.2. Tubing Considerations ............................................................................................................ 8
2.3.3. Connecting the Gas Sample Line............................................................................................ 8
2.3.4. Connecting the Exhaust Line .................................................................................................. 8
2.3.5. Installing Optional Splitter Kit .................................................................................................. 9
2.3.6. Connecting the Water Trap ..................................................................................................... 9
2.4. Interior Schematic (HGM) ................................................................................................................. 10
2.5. Interior Schematic (AGM) ................................................................................................................. 11
2.6. Electrical Wiring ................................................................................................................................ 12
2.7. Connecting External Alarms ............................................................................................................. 13
2.7.1. Overview ................................................................................................................................ 13
2.7.2. Connection ............................................................................................................................ 13
2.8. 4–20 mA Current Loop Interface ...................................................................................................... 15
SECTION 3. OPERATION ........................................................................................................................ 16
3.1. Front Panel Display and Controls ..................................................................................................... 16
3.2. General Operation ............................................................................................................................ 17
3.3. Display Screens ................................................................................................................................ 18
3.3.1. Initial Power Up ..................................................................................................................... 18
3.3.2. Data Display Screen .............................................................................................................. 18
3.3.3. Function Screens .................................................................................................................. 18
3.4. Gas Alarms ....................................................................................................................................... 21
3.4.1. Overview ................................................................................................................................ 21