DCM 9; AC; Filters (2) F20352, (4) F16252, (6) F20252, (1) F20251, (1) F20201, (2) F20202, (1) F10451 replaced, Belts (1) AX35, (1) AX32 (1) A55 and (1) A48 replaced. Systems #1-4 are fully functional System #5 is fully functional. Next maintenance bring A46 and A47 belt for indoor unit. System #6 is fully functional System #7 : compressor is still faulty and has been for a year. Mini-split in gym has a compressor that has failed causing 15a breakers in disconnect to fail. Outdoor unit is in history