VRF VRF system, manufacturer LG Multi V series 5. With a total cooling output of 678 kW and a heating output of 761 kW. The indoor units for the hotel rooms are “One-way Cartridge”. Each indoor unit can be controlled, either individually with an individual thermostat in each room, or with a TOUCH SCREEN central remote access controller installed in the Reception area. There are 245 separate indoor units distributed in several separate systems.