It is very easy to use the water cooled airconditioner, the only thing you are required to do is to enter the preferred day and night temperature. The airconditioner does the rest, it could not be more simple! The system has a light sensor for automatic switching between the day and night program and dehumidifying during day, night or continuously is possible. The water cooled airconditioner is fireproof, so it is also safe to use. In the unlikely event a malfunction occurs, you will receive an SMS alert right away. You can choose the option for to add a built-in temperature and water leakage protection. Moisture can cause mold, rot, rust or unpleasant odors, and it can all lead to dust mites and allergens, therefore, the system has a built-in dust and carbon filter. The cooling options are adjustable and heating is done with a ceramic heating elements. We include a clear comprehensive remote control always, to choose the pre-heat function, the slow cool-down function and alarm log function. There is also a dual room function option, with which you cool two rooms with only one OptiClimate. The fan of the PRO3 can be placed in two different positions (not the Inverter).