LG AC Smart Installation And Owner's Manual page 127

Caution: Temperature lock
When you have transmitted the temperature lock command at the temperature
exceeding the set range of the desired temperature, the unit may not operate normally
to the set temperature. Therefore, please set the temperature lock to the temperature
within the set range of the desired temperature.
Caution: Individual lock setting (Temperature, fan level lock)
When the 2PIN connector of PI485 is connected and you try to change the operating
mode with the wired remote controller, it can change to the prior mode when the
temperature, fan level lock is enabled. In this case, when you resolve this issue by
operating the temperature lock and mode lock simultaneously. When the 2PIN of
PI485 is connected, it is recommended that you use both the temperature lock and
mode lock.
Caution : When using Multi/Single Model.
Tempurature, mode and fan lock should be applied concurrently for Multi and Single
model.
Caution : Unsupported function.
Lock functions shell work abnormally if products do not support lock functions.
Example) Cooling only product shell not support Heat mode lock.
3
. The setting is completed after the application process of the function setting process proceeds.
Setting process display
4. Operating AC Smart
Installation/Owner's Manual
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