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7. FUNCTIONS
7-1. Explanation of Functions
The numerical values such as temperature, frequency, time and current in parentheses are an example
of CU-4KS31NBU and the values are different from the other models.
Control/conditions
INITIAL
Breaker is ON. Power is supplied to the indoor and outdoor unit
control circuits, however the unit remains stopped.
Positioning of the outdoor unit electric expansion
valve is performed.
The ON/OFF operation
button on the remote
controller is pressed.
If automatic operation mode has been selected
with the remote controller, operation begins in
SENSOR DRY, or COOL mode depending
on the room temperature and
outdoor temperature at the time operation starts.
Depending on the operational mode, refer to the SENSOR DRY, or COOL item.
This applies in the case of automatic
COOL operation.
Unit operation Explanation
NOTE
65