D
Buzzer
When PCB is power on or receives the signal from the wireless remote control, the buzzer will send out the sound once.
Run indicator
Run indicator, it will light when starting the unit and extinguish when defrosting.
Other control
Swing motor
AUTO mode
When turning off the unit or exchanging the mode, the reversing valve will delay 2min to stop.
Noise cancellation protection
Avoiding high temp.
In HEAT mode, when detecting Ttube is very high, outdoor fan will stop running; when detecting Ttube is normal, outdoor fan will return to run.
According to the ambient temperature to select COOL or HEAT mode automatically. The protection function as HEAT/COOL mode
When it is powered on,the swing motor turn to position O, to turn off the air outlet vent; when the unit is turned on, turn to postion D,
then return to position L; in swing state, the louver swings between position L and D. When the unit is turned off, will return to position O.
Protection function
Overcurrent protection
When the system current is tested higher than 13A, the compressor, outdoor fan and indoor fan stop running; 3min later, whole unit will run in
old mode, indoor fan will delay 20sec and start to run.
The conditions and processes of defrosting
When detecting there is frost on the condenser, system enter into defrosting state, 10sec later, indoor fan stops running, reversing valve delay 2sec and stop, out
20sec later, indoor fan will start to run, and start heat circulation.
door fan delay another 2sec will stop, when detecting the defrosting has been finished or has frosted for 10min, outdoor fan and reversing valve are turned on,
Bird Dual-Split Type
21
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