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Contents
SAFETY PRECAUTIONS and WARNINGS............................................................................ 1
Models MCD-1, 4, 8 & 16 Specifications .................................................................................. 2
INTRODUCTION and OVERVIEW ......................................................................................... 3
Functional Description............................................................................................................ 3
Sensitivity to Refrigerants....................................................................................................... 8
Factory Calibration ................................................................................................................. 8
PPM vs. Leak Rate.................................................................................................................. 8
SYSTEM Block Diagram ........................................................................................................... 9
INSTALLATION ..................................................................................................................... 12
Unpack and Inspect Material ................................................................................................ 12
Identify Location for Monitor, Sample Points and Alarms .................................................. 12
Electrical Power Connection................................................................................................. 13
Electrical Alarm Connections............................................................................................... 14
Other External Connections.................................................................................................. 15
STARTUP and PROGRAMMING........................................................................................... 18
Apply Power ......................................................................................................................... 18
Initial Screens........................................................................................................................ 18
Normal Operation ................................................................................................................. 19
Initial Programming .............................................................................................................. 19
FINAL TESTS .......................................................................................................................... 25
Monitor Sequencing.............................................................................................................. 25
Integration with External Devices ........................................................................................ 25
Response to Refrigerant........................................................................................................ 26
End-to-End System Test ....................................................................................................... 27
Documentation...................................................................................................................... 28
PREVENTIVE MAINTENANCE & REPAIR ........................................................................ 29
Preventive Maintenance........................................................................................................ 29
Commonly Ordered Parts ..................................................................................................... 29
Monitor Repair...................................................................................................................... 29
APPENDIX A: Programming and Operator Interface.............................................................. 30
Summary ............................................................................................................................... 30
Start-up Screens .................................................................................................................... 30
Operational Screens .............................................................................................................. 30
Menu Screens........................................................................................................................ 32
APPENDIX B: SenTech Room Volume Considerations ......................................................... 40
APPENDIX C: Parts List and Wire List................................................................................... 44
TROUBLESHOOTING GUIDE .............................................................................................. 47
SenTech Manufacturer's Limited Warranty.............................................................................. 50
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