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RS1200001 30 November 1996
Electronic Functional Description
6. Conventional/adaptive defrost mode can be
selected by toggling Vacation pad while in Mode B.
When vacation annunciator glows, adaptive
defrost system has been selected. When vacation
annunciator doesn’t glow, conventional defrost
system is used. Conventional defrost mode uses 8
hour CRTD value.
7. Automatic keyboard disable activated/deactivated
is toggled in Mode B with Display Off pad. If high
temperature indicator glows, keyboard will disable
after 10 minutes. If high temperature indicator
doesn’t glow, keyboard is always enabled. Do not
leave keyboard in a permanently enabled mode.
8. Forced defrost is activated by pressing and
holding Alarm Off pad for 3 seconds. Defrost
function will begin. Program changes will be saved
permanently in EEPROM and program mode will
exit to run mode.
9. Forced pulldown can be made in Mode B by
pressing and holding Max Frz pad 3 seconds.
Refrigeration function will begin. Program changes
will be saved permanently EEPROM.
Compressor, evaporator fan, damper heater, and
condenser fan will come on.
Exiting Program Mode
Deactivate program mode by pressing and holding
Display On pad for 3 seconds. Any changes made
while working in program mode will be saved and
audio annunciator will beep 3 times. Program mode
will be automatically exited if there is no key closure
for 10 minutes. However, any changes made will not
be saved permanently if program mode is exited in this
manner.