The battery model (Occupancy Sensor P3), like its brother P1, are compatible with all splits.
To turn off the air conditioner they learn the turn off signal from the original remote control, so once set they send a turn off impulse every time they have to intervene.
It can certainly be mounted on the ceiling. In fact it is one of the 3 options that we suggest in the instruction manual, that is: on the ceiling, on an adjacent or opposite wall, or to the side of the air conditioner itself (recommended option).
The Occupancy Sensor PIR is capable of monitoring an area of approximately 5-7 meters away, a large surface area that is more than sufficient for most environments where its intervention is required.
It can be mounted at a distance of over 8 meters from the air conditioner it is supposed to control, as its pulse reaches the same distance as any remote control, i.e. over 8 metres.
Clearly the Occupancy Sensor must be able to "see" the optical receiver of the air conditioner in order to turn it off. During the assembly of Occupancy Sensor you will need to select which of the 3 receivers made available to use to send the shutdown signal. There are 2 LEDs on the surface (the one at the top or the one at the bottom), the 3rd is a sensor mounted on a signal extension cable, which allows it to be directed anywhere.
You can use our motion sensor for air conditioner P3 model with your Mitsubishi system.
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