Cello support any infrared controlled ductless mini splits, VAV, VRF, portable, and window AC, heat pump and heater. Each unit requires a separate Cello sensor.

The Cello Core communicates with the Cello Sensor via low power Wi-Fi. The Cello Core creates its own access point that acts as a router. Once a Cello Sensor is connected to power it will automatically try and search for the “RetroSAVE” new work and register to the Cello Core.

Any infrared ductless or mini split systems are controlled via the Cello Sensor which is equipped with an IR transmitter and IR receiver. Please refer to the Cello Sensor installation manual for more details on how to configure the Cello Sensor to the desired ductless unit.

The global IR database is always growing with the addition of new units from the consumer. If you can’t find you specific make and model in our database, simply select manual mode and follow the step by step procedure to learn all the commands on your remote. Please refer to the Cello Sensor installation manual [...]

There may be several reasons why the Sensor is not properly communicating with your infrared system. Please login to your web browser login page and ensure the Cello Sensor is online. If the sensor is not online please try rebooting the sensor, if it does not come online within 5 minutes simply plug an ethernet [...]

Yes, you can. Although doing so will not reflect what you view on the mobile application or web user interface. The Cello Sensor only sends the commands to the ductless or mini split unit. If you decide to use your remote to adjust a temperature or turn off the unit the Cello sensor may not [...]