KAISAI multi-split outdoor units are characterized by high energy efficiency and quiet operation. The modern, compact design reduces the space requirement of air conditioners on balconies, roofs or building facades. The system design allows the installation of 2-5 Fly/Geo/Ice/Black Ice sidewall units, compact cassette units or up to 3 slim ductable units to a single outdoor unit. Features Operation mode: Auto, Cooling, Heating, Ventilation, Dehumidification High efficiency DC motor Innovative design of the heat exchanger High SEER/SCOP rating Remote fan control Timer control: on / off Technical data Rated cooling capacity: 5.3 / 7.9 / 8.2 / 10.6 / 12.4 kW Rated heating capacity: 5.6 / 8.5 / 8.8 / 11.1 / 12.4 kW DC inverter technology Maximum pipe length: 40 - 80 m Maximum height difference: 10 - 25 m R32 refrigerant A++/A+ energy class Recommended cooling temperature range: -15-50°C Recommended heating temperature range: -15~30°C