Auto mode is determined by controller of IDU. See IDU logic for details.
8. 8
O
C heating
Set temperature is 8
o
C. Display board of IDU displays 8
o
C. Under this mode, “Cold air prevention” function is shielded.
If compressor is operating under this mode, fan speed will adjust according to auto fan speed; if compressor stops operation
under this mode, indoor fan will be in residual-heat blowing status.
When power on, communication light will be blinking in a normal way (after receiving a group of correct signals,
blinking stops for 0.2s~0.3s). If theres no communication, communication light will be always on. If other ODU has
malfunction, communication light will be on for 1s and off for 1s in a circular way.
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