Program Review Button Select Button Enter Button Monitoring Items; Force Defrost Button; Force Service Button; Reset Time Button - Heatcraft Refrigeration Products BEACON II H-IM-79E Installation And Operation Manual

MONITOR
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
14
Programming & Reviewing
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.
FORCE
DEFROST
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".
RESET
TIME
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".
FORCE
SERVICE