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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.
STATUS INDICATOR LED
A RED, three-digit , alphanumeric LED on the Beacon II board indicates status, alarms and
error codes.
LED Display
• 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
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”.