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Step1. Enter the setup state

Within 10 seconds after power-on, press and hold the Call key until the "BP" sound is heard for 9 times and then release it (the "BP" sound will be heard once per second) to enter the DS address setting state, and the indicator light will flush ” off,on / off,on/ off,on”, there is an interval of 1s, and repeat flush.

[This state is maintained for 10 seconds, and automatically exits after 10 seconds of no operation]

Step2. Set the address

Press the Call key to set the DS address, and switch one address each time; The address will be prompted by the "BP" sound in the setting process;

Step3. Save & Exit

After setting, automatically save and exit within 10s without operation

or the outdoor unit will automatically save and exit when the power is off;