Trane BCHC Application Manual page 10

Overview
Figure 2. Allowable elevation difference: R-410A cooling-only unit above indoor unit.
Figure 3. Allowable elevation difference: R-410A heat pump unit above indoor unit
Figure 4. Allowable elevation difference: R-410A cooling only or heat pump unit below indoor
4
(4) TT
blower
coil
unit
(4) TW
blower
coil
blower
coil
(4) TT or
(4) TW
SS-APG010C-EN