User Guide
Table Of Contents
- Section 1. Introduction
- 1.1. How to Use This Manual
- 1.2. Warning Statements
- 1.3. Caution Statements
- 1.4. Hazard Symbols Located on the Monitor
- 1.5. Safety Precautions
- 1.5.1. AC Power Supply
- 1.5.2. Protective Grounding
- 1.5.3. Explosive Atmosphere
- 1.5.4. Proper Exhaust Venting
- 1.5.5. Accessing the Interior of the Monitor
- 1.5.6. Misuse and Modifications to the Monitor
- 1.5.7. In Case of Malfunction
- 1.5.8. Fusing
- 1.5.9. Installation Category
- 1.5.10. Altitude Limit
- 1.5.11. Cleaning
- 1.6. Functional Overview
- 1.7. Specifications
- Section 2. Installation
- Section 3. Operation
- Section 4. Maintenance
- 4.1. Warnings and Cautions
- 4.2. Charcoal Filter (Halogen Gas Monitor Only)
- 4.3. Hydrophobic Filters
- 4.4. Servicing Air Lines and Termination Filters
- 4.5. End-of-Line Water Stop (Optional)
- 4.6. Water Trap (Optional)
- 4.7. Fuses
- 4.8. Clock Battery
- 4.9. Sample Pump
- 4.10. Replacement Parts and Optional Accessories
- 4.11. Service Centers
- Appendix A. Data Tables
Single Zone Gas Monitor
P/N: 3015-4256 Rev 10 7
Figure 2-1. Enclosure Mounting Specs
Hold the monitor flat against the mounting surface and allow it to slide down engaging the screw heads in
the keyhole slots of the mounting brackets. Adjust the screws as necessary to hold the monitor securely
against the mounting surface.
2.3. Connecting Gas Sample and Exhaust Lines
2.3.1. Overview
A single gas-sample line must be run from the SZ unit to the area of the facility to be monitored. An
optional exhaust line can be installed to vent the sample gas away from the monitor. All tubing
connections are made on the bottom of the enclosure as displayed in the illustration below.
Figure 2-2. HGM-SZ Monitor Bottom View
* There is an additional service knockout on top of the case.