Inverter air conditioner 42000 btu commercial line, single outdoor unit with internal splits of different combinations. Energy Class A ++ / A + Cooling Power 12.5 kW (3.80 - 15.30) Heating Power 13.7 kW (3.30 - 17.20) Cooling Range -15 ÷ 48 ° C Heating Range -15 ÷ 24 ° C Piping (Liquid-Gas) 1/4 ”- 3/8” Refrigerant charge 3000 g Dimensions (LxHxP) 950x1050x414 Weight 90 Sound pressure 53 dB (A) Single outdoor unit with internal splits of different combination. Thanks to a single control technology it is possible to install multiple indoor units, even of different types, to one universal outdoor unit. Depending on the unit, it is possible to combine up to five air conditioners thanks to the FXE 4221CE model, generally called penta split. As regards the FXE-W series, it is possible to mount the same unit only in the quad and penta model. This system is extremely advantageous in economic terms and highly customizable with multiple combinations.