9542S – Vertical Stack UnitProduct TypeGAGMGSHAJAJBUBUnit Size – Airflow (cfm)03 – 30004 – 40006 – 60008 – 80010 – 100012 – 1200CoilA – 3 Row (Std)B – 4 RowD – 3/1 Same EndF – 3/2 Same EndH – 4/1 Same EndMotorsC – 120/1/60 PSC 3-SpeedD – 208/1/60 PSC 3-SpeedE – 230/1/60 PSC 3-SpeedF – 277/1/60 PSC 3-SpeedHeaters*Y – NoneArrangement*FiltersA – 1 in. Throwaway (Std)B – 1 in. PermanentF – 1 in. Pleated (MERV 7)Cabinet InsulationF – ½ in. Foil FaceP – ½ in. Closed Cell (Unit)T – ½ in. Closed Cell (Supply)Y – ½ in. Tuf-Skin II (Std)– Std Riser Piping, 1-Cabinet Upsize, Std Cabinet Height– Std Riser Piping, 2-Cabinet Upsize, Std Cabinet Height– Std Riser Piping, Std Cabinet Size, Short Cabinet Height– Std Riser Piping, 1-Cabinet Upsize, Short Cabinet Height– Std Riser Piping, 2-Cabinet Upsize, Short Cabinet Height– Reverse Riser Piping, Std Cabinet Size, Std Cabinet Height– Reverse Riser Piping, 1-Cabinet Upsize, Std Cabinet Height– Reverse Riser Piping, 2-Cabinet Upsize, Std Cabinet Height– Reverse Riser Piping, Std Cabinet Size, Short Cabinet Height– Reverse Riser Piping, 1-Cabinet Upsize, Short Cabinet Height– Reverse Riser Piping, 2-Cabinet Upsize, Short Cabinet Height– Std Riser Piping, Std Cabinet Size, Std Cabinet HeightThermostat Package*YY – Std Manual 3-Speed Switch42S GA 06 B F Y A A F Y YYRiser Piping, Cabinet Height and Upsizing†ABCDFRSTUVWY– Furred-In Single– Furred-In Master– Furred-In Slave– Cabinet/Exposed– Furred-In Back-to-Back Master– Furred-In Back-to-Back Slave– Furred-In UniversalMA – Furred-In Mega14 – 140016 – 160020 – 2000C – 5 RowG – 120/1/60 High Static PSC 3-SpeedH – 208/1/60 High Static PSC 3-SpeedI – 230/1/60 High Static PSC 3-SpeedJ – 277/1/60 High Static PSC 3-SpeedK – 120/1/60 ECM 3-SpeedL – 208/1/60 ECM 3-SpeedM– 230/1/60 ECM 3-SpeedN – 277/1/60 ECM 3-SpeedO – 120/1/60 ECM 3 Discreet SpeedsP – 208/1/60 ECM 3 Discreet SpeedsQ – 230/1/60 ECM 3 Discreet SpeedsR – 277/1/60 ECM 3 Discreet SpeedsS – 120/1/60 ECM Variable SpeedT – 208/1/60 ECM Variable SpeedU – 230/1/60 ECM Variable SpeedV – 277/1/60 ECM Variable SpeedL – 1 in. Pleated (MERV 13)LEGEND*Contact your local Carrier representative for further options.†An upsized cabinet is one size bigger than the standard cabinet.ECM— Electronically CommutatedPSC — Permanent Split Capacitora42-4281Model number nomenclature42S Series Units