cool-only air conditioner On-board Large Indoor Unit Cool-only Air Conditioner MR201B2 On-board Small Indoor Unit Cool-only Air Conditioner MR201B1 heat and cool air conditioner On-board Dual-fan Heat and Cool Air Conditioner MR201D2 On-board Single-fan Heat and Cool Air Conditioner MR201D1 air - conditioning compressor Off-board Air - conditioning Compressor with Clutch (MR5H14 - 1) BJZY - MR On-board Compressor (MR5H14) BJZY-MR