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Table of Contents
INTRODUCTION........................................................................................................................................... 1
How to Use This Manual ......................................................................................................................... 1
Warning Statements................................................................................................................................ 1
Caution Statements ................................................................................................................................. 1
Hazard Symbols on Monitor.................................................................................................................... 1
Safety Precautions ................................................................................................................................... 2
AC Power Supply.................................................................................................................................. 2
Protective Grounding ........................................................................................................................... 2
Explosive Atmosphere.......................................................................................................................... 2
Proper Exhaust Venting ...................................................................................................................... 2
Working Inside Monitor ....................................................................................................................... 2
Misuse and Modifications to Monitor.................................................................................................. 2
In Case of Malfunction ......................................................................................................................... 2
Fusing.................................................................................................................................................... 2
Installation Category ........................................................................................................................... 2
Altitude Limit ....................................................................................................................................... 2
Cleaning ................................................................................................................................................ 2
Functional Overview................................................................................................................................ 3
General Description ............................................................................................................................. 3
Understanding Monitoring Levels ...................................................................................................... 3
Response to the Presence of Multiple Refrigerants ........................................................................... 3
Suggested Location of Sampling Point ............................................................................................... 4
INSTALLATION............................................................................................................................................ 5
Installation Considerations ..................................................................................................................... 5
Warnings and Cautions ....................................................................................................................... 5
Inspection.............................................................................................................................................. 5
Locating the Monitor............................................................................................................................ 5
Mounting Instructions ............................................................................................................................. 6
Connecting Gas Sample and Exhaust Lines .......................................................................................... 6
Overview ............................................................................................................................................... 6
Tubing Considerations ......................................................................................................................... 7
Connecting the Gas-Sample Line........................................................................................................ 7
Connecting the Exhaust Line .............................................................................................................. 7
Interior Schematic ................................................................................................................................... 8
Electrical Wiring ...................................................................................................................................... 9
Connecting External Alarms................................................................................................................. 10
Overview ............................................................................................................................................. 10
Connection .......................................................................................................................................... 10
4–20 mA Current Loop Interface .......................................................................................................... 11
OPERATION............................................................................................................................................... 13
Front Panel Display and Controls ........................................................................................................ 13
General Operation ................................................................................................................................. 13
Display Screens ...................................................................................................................................... 14
Initial Power Up ................................................................................................................................. 14
Data Display Screen........................................................................................................................... 14
Function Screens ................................................................................................................................ 15
Working with Gas Alarms ..................................................................................................................... 18
Functional Overview .......................................................................................................................... 18
Clearing / Silencing a Gas Alarm ...................................................................................................... 18
Viewing the Gas Alarm Log............................................................................................................... 18