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PROGRAMMING AND REVIEWING SETTINGS/CHANGES (cont’d.)
• Alarm High Temperature - “
ALH”
- Temperature at which a high box temperature alarm
will be triggered. This does not apply during defrost.
Defaults: electric defrost +5
°
F
and air defrost +50
°
F.
• Alarm Low Temperature -
“ALL”
- Temperature at which a Low Box Temperature alarm
will be triggered.
Defaults: Electric Defrost -15
°
F and Air Defrost +30
°
F.
• Alarm Time -
“ALt”
- Time which High Temperature or Low Temperature condition must
exceed before alarm is triggered.
Default: 60 minutes
.
• °F/°C -
“F-C”
- Select units to display temperature. Fahrenheit or Celsius.
Default: Fahrenheit
.
• When °C is selected a red dot will appear in the right bottom corner of the LED display
of the Beacon II board.
Use the “MONITOR” button to review these items:
SUP
- Superheat (°F/°C)
ESP
- Expansion valve steps (0 to 255 steps)
SCt
- Suction temperature (°F/°C)
SSt
- Saturated Suction temperature (°F/°C)
SCP
- Suction pressure at Evaporator (PSIG/HG)
Odt
- Outdoor temperature (°F/°C)
dFt
- Defrost sensor temperature (°F/°C)
dFS
- Time left until next defrost (hours) (on version 1.8 boards)
dFE
- Last Defrost Elapsed time (minutes)
AC
- Board Voltage
SPt
- Spare Temperature reading
Use this button to “FORCE DEFROST”
To force a defrost , press the “FORCE DEFROST” button. The
system will pumpdown and shut off the compressor. The heaters
are then turned on. The display will show
“dEF”
and room temp.
Use this button to “RESET TIME”
Pressing this button will reset the time clock in the microprocessor
to zero. At initial power up, pressing this button will bypass the
“four minute” hold-off and the system will start immediately after
the expansion valve opens. This display will show
“dLy”
.
Use this button to “FORCE SERVICE”
Pressing this button TWICE will cause the system to
pumpdown and the compressor to shut off. The system will
remain off until the “CLEAR” button is pressed. While in the
“FORCE SERVICE”, the LED display will only show
“SEr”
.
Programming & Reviewing