17
13
FORCE
DEFROST
RESET
TIME
MONITOR
FORCE
SERVICE
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
rEL - Software release program
Use this button to “FORCE DEFROST”. To force a defrost, press the
“FORCE DEFROST” button. The system will pumpdown. 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. The system will remain off until
the “CLEAR” button is pressed. While in the “FORCE SERVICE”, the
LED display will only show “SEr”.
MONITOR
FORCE
DEFROST
RESET
TIME
FORCE
SERVICE
Beacon II Controller
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