5167821-YTG-K-111818 Johnson Controls Ducted SystemsCondenser fan dataQuantity of fans 2 2 2Fan diameter (inches) 24 24 24Type Prop Prop PropDrive type Direct ECM Direct ECM Direct ECMQuantity of motors 2 2 2Motor HP each 1/3 1/3 1/3No. of speeds Var. Var. Var.RPM 850 850 850Nominal total CFM 7000 7000 7000Belt drive evap. fan dataQuantity 1 1 1Fan size (inches) 12 x 9 12 x 9 12 x 9Type Centrifugal Centrifugal CentrifugalMotor sheave 1VL40 1VL40 1VL34 1VL44 1VL40 1VM50Blower sheave AK79 AK61 AK64 AK69 AK61 AK64Belt A47 A45 A47 A47 A45 A47Motor HP each 1-1/2 1-1/2 1-1/2 1-1/2 1-1/2 2RPM 1725 1725 1725 1725 1725 1725Frame size 56 56 56 56 56 56FiltersQuantity - size 4 - (24 x 16 x 2) 4,5 4 - (24 x 16 x 2) 4,5 4 - (24 x 16 x 2)4,54 - (24 x 16 x 4)6 4 - (24 x 16 x 4)6 4 - (24 x 16 x 4)61. 1st stage capacity is 75% of full capacity.2. 1st stage capacity is 70% of full capacity.3. ZT037, ZT049, and ZT061 have crankcase heaters standard.4. 2 in. throwaway, standard, MERV (Minimum Efficiency Reporting Value).5. 2 in. pleated, optional, MERV 8.6. 4 in. pleated, optional, MERV 13.ZT037-061 physical data (continued)Component ModelsZT037 ZT049 ZT061Nominal tonnage 3.0 4.0 5.0