Heating capacity is based on°CDB (indoor temperature), 7°CDB/6°CWB (outdoor temperature). The total ability of connected a indoor unit is up tokW 4MXS68F_4MKS75F_4WRO_Installation manuals_Romanian PDF KB 2MXS_2MKS40_50FV1B_4PWA_Installation manuals_Romanian PDF MB 2MKXS