Trane XE1200 model numbers nomenclature goes like this:
Characters 1,2,3:
Product Types
Split Cooling: TT* (TTA, TTB, TTN, TTP, TTR, TTX, TTY, TTZ) Split Heat Pump: TW* (TWA, TWN, TWR, TWY, TWP, TWX,TWZ) Package Cooling: TC* (TCC, TCH, TCD, TCX, TCM, TCY) Package Heat Pump: WC* (WCM, WCX, WCY, DCX, DCY, WCZ) Air Handler: TW* (TWV, TWH, TWB, TWE) Gas/Electric Furnace: YC* (YCC, YCD, YCH, YCX, YCY, YCZ) Coil: TX* (TXA, TXC, TXE, TXF, CCB, CUB)
Character 4:
Split System Coupling (for 1-5 Tons)
Brazed: 0
Characters 5,6:
Primary Capacity
Example: 024=24MBTUH=2Ton
Character 7:
Major Design Modification
Character 8:
Power Supply and Fuel
Electric: 1
Characters 9,10:
Secondary Functions (if applicable)
Gas/Electric - Gas Heating Furnaces - Cooling Airflow
Characters 11,12:
Minor Design Modifications
So your TTX024C100A2 is therefore an A/C (not a heat pump) with 2 ton capacity.