Specifications

Table of Contents
1 Introduction.................................................................................................................................5
How to Use This Manual.............................................................................................................................. 5
Warning Statements .................................................................................................................................... 5
Caution Statements ..................................................................................................................................... 5
Hazard Symbols on the Monitor............................................................................................................... 5
Safety Precautions....................................................................................................................................... 6
AC Power Supply ..................................................................................................................................... 6
Protective Grounding................................................................................................................................ 6
Explosive Atmosphere.............................................................................................................................. 6
Proper Exhaust Venting ........................................................................................................................... 6
Accessing the Interior of the Monitor........................................................................................................ 6
Misuse and Modifications to the Monitor.................................................................................................. 6
In Case of Malfunction.............................................................................................................................. 6
Installation Category................................................................................................................................. 6
Altitude Limit............................................................................................................................................. 6
Cleaning ................................................................................................................................................... 6
Functional Overview .................................................................................................................................... 7
General Description.................................................................................................................................. 7
Communication Options........................................................................................................................... 7
Understanding Monitoring Levels............................................................................................................. 7
Suggested Location of Sampling Points .................................................................................................. 7
Response to the Presence of Multiple Refrigerants................................................................................. 8
2 Installation..................................................................................................................................9
Installation Considerations......................................................................................................................... 10
Warnings and Cautions.......................................................................................................................... 10
Inspection ............................................................................................................................................... 10
Locatiion of the Monitor.......................................................................................................................... 10
Mounting Instructions................................................................................................................................. 11
Interior Schematic...................................................................................................................................... 12
Electrical Wiring ......................................................................................................................................... 13
Communication Connections..................................................................................................................... 14
HGM-MZ Network .................................................................................................................................. 14
Integration with Building Management System...................................................................................... 14
Changing Terminator Switch Settings ....................................................................................................... 15
Connecting External Alarms ...................................................................................................................... 16
Overview ................................................................................................................................................ 16
Connection ............................................................................................................................................. 16
3 Operation...................................................................................................................................17
HGM-Remote Display ............................................................................................................................ 17
Internal Audible Alarm............................................................................................................................ 17
External Alarms...................................................................................................................................... 17
Screen Displays......................................................................................................................................... 18
System Programming ................................................................................................................................ 18
Setup Parameters .................................................................................................................................. 18
Password Protection .............................................................................................................................. 18
Setup Programming................................................................................................................................... 19