Heatcraft Refrigeration Products H-IM-79E Refrigerator User Manual


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15
Programming&Reviewing
LockingTheBeaconIIBoard
The Beacon II board is lockable to prevent programmed
setting changes by unauthorized personnel. When
locked, the program setpoints cannot be changed.
To lock the setting:
• Press “PROGRAMREVIEW” button.
• Press and hold “MONITOR” button.
• Whileholding “MONITOR” button,
press “ENTER” button.
• The LCD will display Loc.
This will prevent unauthorized personnel program
changes. To unlock, repeat steps above. LCD will
display “UnL”.
• OFF Box Temp/oFF Box Temperature/ Mode is displayed
All Evaporators
• COOLING
Single Evaporator- Box Temp/Coo Box Temperature/ Mode is displayed
Multiple Evaporators
Master Evap- Box Temp/Coo Box Temperature/ Mode is displayed
Slave Evaps - Coo Operating Mode is displayed
• Pumpdown
All Evaporators Pdn
• DEFROST
All Evaporators dEF
• TEST
All Evaporators tSt
• SERVICE
All Evaporators SEr
• ALARMS A1 High Box Temp
A2 Low Box temp
A3 System Start-upfailure
Compressor pumps down and tries
to restart after 4 minutes.
A4 Input Fault
Box Temp., Suction Temp., Pressure
Transducer open or not installed
STATUSINDICATORLED
A RED, three-digit , alphanumeric LED on the
Beacon II board indicates status, alarms and
error codes.
ProgrammingAndReviewing
Settings/Changes(Cont’d.)
Use this button to “CLEAR/TEST”
Pressing this button ONCEwill return the LED display to
the default display. With the system in the OFF mode,
pressing and holding this button will start the “TEST”
mode. In the “TEST” mode it will cycle through each
output for 10 seconds. The display will only show “tst”
during “TEST” mode. Test mode will automatically
terminate after 3 sequences.
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