6.4 Key Operating Instruction
6.41 “ ”: ON /OFF button.
Short press “ ” to exit and return to the main interface.
In the main interface, long press and hold the “ ” key for 3 seconds to turn on / off.
6.42 “ ”：Mode button.
In the power on state, long press “ ” for 3 seconds to switch the working mode: heating
mode and cooling mode.
6.43 “ ”: Add button.
When its turn on, in the main interface, press “ ” to adjust the setting temperature of
current mode;
6.44 “ ”: Reduce button.
When its turn on, in the main interface, press “ ” to adjust the setting temperature of
current mode
6.45 Parameters Query.
In the main interface, long press and hold the “ ” button for 3 seconds to enter the heat
pump status parameter query, Type “ ” , “ ” buttons for reading different parameters, and
press the “ ” button to exit the parameter query.
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