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The defrost interval parameter is displayed next. This setting determines the time between defrosts
in hours. The defrost interval can be selected by scrolling through available options (0, 1, 1.5, 2, 2.5,
3, 4, 5, 6 hours) using the + or - keys. Selection MUST be validated by pressing the SET key.
d. Press the SET key to validate the modified settings.
NOTE
If no buttons are depressed within 5 seconds of pressing the Defrost and On Keys or modifying
parameters, the Cab Command reverts to box temperature display and the configuration procedure is
aborted.
3. The next steps must be performed with the unit ON:
a. Press the ON key to start-up the unit.
b. Press the + key, then - key, then Manual Defrost key. All keys should be held momentarily after pressing
in the correct sequence.
c. Modify parameters using the + and - keys.
The minimum setpoint parameter is displayed. The minimum setpoint can be selected by scrolling
through available options [-20°F (-28.9°C), -4°F (-20°C), 32°F (0°C)] using the + or - keys. Factory
setting is -20°F. Selection MUST be validated by pressing the SET key.
The null mode differential temperature is displayed next. This setting determines the temperature
difference between box temperature and setpoint that controls compressor cycling. The differential
can be selected by scrolling through available options [1.8°F (1°C), 3.6°F (2°C), or 5.4°F (3°C)]
using the + or - keys. Factory setting is 3.6°F (2°C). Selection MUST be validated by pressing the
SET key.
The ON/OFF (Continuous airflow) parameter for the evaporator fan is displayed next. This feature
determines whether the evaporator fan is on or off when the unit cycles off upon reaching setpoint.
The factory setting is OFF. Change setting by using the + or - keys. Selection MUST be validated by
pressing the SET key
NOTE
If no buttons are depressed within 5 seconds of pressing the ON key or modifying parameters, the
Cab Command reverts to box temperature display and the configuration procedure is aborted.
d. The return air temperature will be displayed after the above sequence.
