Trane 5TXCA001AS3HCA Installer's Manual page 17

Installer's Guide
Notes:
1. Installation of air cleaner will require replacement of furnace transformer. Refer to air cleaner literature.
2. S*X, S*V, A8, A9, L8, or P0 models include EAC or ACC dry contacts as shown. (*UD, *UH, *DD, *DH, or S*B
models do not utilize dry contact accessory connections.)
18-AD47D1-1B-EN 17