Contents
Chapter 1 | Overview ............................................................ 11
Overview of the Gas Monitor .................................................. 11
Specifications .......................................................................................... 12
Agency Approvals - CSA ......................................................................... 14
Chapter 2 | Hardware Overview ........................................... 15
Main Electronics Unit (Housing) .............................................................. 15
Sensor ..................................................................................................... 16
Display ..................................................................................................... 16
Inputs – Intrusive and Non-Intrusive ........................................................ 17
Electronics Modules ................................................................................ 18
Chapter 3 | Installation ......................................................... 21
Introduction .............................................................................................. 21
Installation Considerations ...................................................................... 21
Wall Mounting .......................................................................................... 21
Column Mounting .................................................................................... 21
Chapter 4 | System Wiring ................................................... 23
Introduction .............................................................................................. 23
Wiring Preparation ................................................................................... 23
Alarm Relay Wiring (J1, J5, and J6) ........................................................ 24
Power and Output Wiring (J1) ................................................................. 25
Sensor Wiring (J3) ................................................................................... 26
Digital ModBus RTU Interface Wiring (J1) .............................................. 32
Wiring Conclusion .................................................................................... 36
Chapter 5 | Operation ........................................................... 37
Initial Start-up .......................................................................................... 37
Warm-up Period ...................................................................................... 37
Normal Operating Mode .......................................................................... 37
Programming Mode Overview ................................................................. 39
Programming Mode – Non-intrusive Operation ....................................... 40
Programming Mode – Push Button Operation ........................................ 44
Chapter 6 | Modbus Interface .............................................. 53
Introduction .............................................................................................. 53
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