MODEL NUMBER NOMENCLATURE A190041 FURNACE COMPONENTS A190086 NOTE: The furnaces are factory shipped for use with natural gas. These furnaces can be field-converted for propane gas with a factory-authorized and listed accessory conversion kit. 1, 2 Gas Furnace 59 3 Heating Stages M 4 Tier N 5 Min. AFUE/NOx 7 6 Major Series B 7, 8, 9 Heating.. Air Conditioners, Heat Pumps, Fan Coils, Evaporator Coils, 90% Gas Furnaces and 80% Gas Furnaces Gas Title Furnace Product #/Letter Options Model Letters Capacity (Btuh) Place Holders Electrical Supply Nominal Cooling Airflow 58 C V A 070 - - - Place Holders 1 - - 08 80% Gas Furnaces 1-2 3-5 6-8 9-11 12 13 - 14 15-16 Title Product.
Gas Furnaces MODEL NUMBER IDENTIFICATION GUIDE A190043 N 92 E S N 040 14 10 A C = Constant Airflow Variable-Speed ECM E = Fixed-Speeds, Constant Torque (FCT) ECM P = PSC V = Variable Speed, Constant Torque (VCT) ECM 026 = 26,000 BTU/h 040 = 40,000 BTU/h 045 = 45,000 BTU/h 155 = 155,000 BTU/h 80 - 80% AFUE 92 - 92% AFUE 95 - 95% AFUE 96.. 1. Reading Air Conditioner's Model Nomenclature 12. 1.1 Decoding of Manufacturer Model Numbers ; 1.2 Governair Chillers Model Number Nomenclature; 1.3 McQuay ABZ Series; 1.4 Smardt Air Cooled Chillers; 1.5 Smardt Water Cooled Chillers; 1.6 Trane Packaged Rooftop Air Conditioners; 1.7 Trane Split System Condensing Units and Remote Chillers