Installer’s Manual
Split System (R-410A)
High Wall Type Air Handlers for
Multi-Zone Inverter Systems
23 Series Models:
HP Indoor Units:
4MXW2309A1
4MXW2312A1
4MXW2318A1
4MXW2324A1
This Installation Guide is for use only when applying the 4MXW23 indoor unit with a
4TXM model multi-zone outdoor unit. If installing with a single zone mini split outdoor
unit, consult the installation manual shipped with the outdoor unit.
June 2020 MS-SVN079B-EN