QD-U02B Universal A/C Control System
Features:
*5 working mode
*3 fan speed
*Accurate & stable temperature control
*Accurate & stable auto fan
*Timer on / off
*Sleep function
*Periodical defrost
*Compressor protect timer for its fun and stop
*Prevent cold wind in heating mode
Manual
Note:When the compressor is shut off,it needs 3 minutes to restart.
Mode selection key:Select working mode.When in auto mode,the system will work like heat mode if the room temperature is below 21℃,or work cool mode if room temperature is up than 27℃..
Fan selection key:Selection fan speed.The fan speed will be low when in dry mode,or in heat mode but the compressor is shut off,or in heat mode but the compressor working time less than 3 minutes.In auto fan mode,the fan speed will be high if the difference of setting and room temperature big than 4℃,will be low if the difference less than 2℃.
Temperature setting keys:Be able to set from 15℃~30℃.It will not response in auto mode or dry mode.
Timer selection key:Select timer offline,timer inline or no timer.
Timer time setting keys:Set 1-16 hours.
Swing key:Select swing on or off.
Sleep key:Will shut off in 8 hours.
Too cold/Too warm keys:Only effective in auto mode.Be able to adjust the setting temperature 1℃ up/down from 25℃ when depressing once the key.
ON/OFF Key:Control on or off.
Attention:
Please install by certified technician
Please test the system before installation
Please avoid strong light before IR receiver