Heatcraft Refrigeration Products BEACON II H-IM-79E - Manual (Page 14)

14
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-up failure
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 ONCE will 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.