Trane 4TWL6018A1000A Installer's Manual page 13

U U n n i i t t L L o o c c a a t t i i o o n n C C o o n n s s i i d d e e r r a a t t i i o o n n s s
Table 16. Braze the Refrigerant Lines (continued)
3-4" from valve
18-BC99D1-1D-EN 13