Heatcraft Refrigeration Products H-IM-79E User Manual

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H-IM-79E JANUARY 2011 Part No. 25001401
Beacon II™ 
Refrigeration Systems
Installation and
Operation Manual
Replaces H-IM-79E (09/07)
Table of Contents
Beacon II™ Board Layout ........................................................ 3
Installation Tips ........................................................................ 4
Refrigerant Line Brazing ........................................................... 5
Power Supply ........................................................................... 5
Wiring ....................................................................................... 5
Multiple Evaporator Configuration ........................................... 6
Box Temperature Control Settings ........................................... 7
Leak Testing ............................................................................. 7
Refrigerant Charging  ............................................................... 7
Start-Up Operation .............................................................. 8-11
Operating Mode Display ......................................................... 11
Programming and Reviewing Settings and Changes  ....... 12-13
 
Program Review Button
 
Select Button
 
Enter Button
Monitoring Items .................................................................... 14
 
Monitor Button
 
Force Defrost Button
 
Force Service Button
 
Reset Time Button
 
Clear/Test Button
Locking The Beacon II Board ................................................. 15
Status Indicator LED ......................................................... 15-16
Low Ambient Operation ......................................................... 16
Pumpdown ........................................................................ 16-17
Defrost ............................................................................... 17-18
Alarms  ................................................................................... 18
Error Indicator ......................................................................... 19
Checking Operation of Expansion Valve ........................... 20-21
Power Failures ........................................................................ 21
Spare Sensor Terminals .......................................................... 21
Checking Sensors .................................................................. 21
Sensor Resistance/Temperature Table ................................... 22
System Defaults ..................................................................... 22
InterLink Replacement Parts List ........................................... 23
Operational Limits .................................................................. 23
Expansion Valve Capacity ...................................................... 24
Diagnostics ........................................................................ 24-27
Wiring Diagrams ................................................................ 28-33
Preventive Maintenance ......................................................... 34
Service Record .................................................................. 35-36