(1) Trane 4 Ton 18 SEER2 XL17i 48000 BTUh V/S Communicating AC Condenser 4TTV8X48A1000, (2) Trane 4 Ton 48000 BTUh M Series V/S Communicating Air Handler TEM8A0C48V41D & (3) Trane 15 kW (10.8–14.4 kW) 36900-49200 BTUh Single-Phase Electric Heater BAYHTR1517BRK w/ Breaker.