MDX Heat Pump Manuals
Select your MDX model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate on the side of the outdoor unit.
MDX heat pumps by model number
| Model | Description | Certified |
|---|---|---|
| MCHA-24HDCSO2SIDE-DISCHARGE | 2-ton split-system heat pump | June 2026 |
| MCHA-24HDCTO2TOP-DISCHARGE | 2-ton split-system heat pump | June 2026 |
| MCHA-36HDCSO2SIDE-DISCHARGE | 3-ton split-system heat pump | June 2026 |
| MCHA-36HDCTO2TOP-DISCHARGE | 3-ton split-system heat pump | June 2026 |
| MCHA-48HDCSO2SIDE-DISCHARGE | 4-ton split-system heat pump | June 2026 |
| MCHA-48HDCTO2TOP-DISCHARGE | 4-ton split-system heat pump | June 2026 |
| MCHA-60HDCSO2SIDE-DISCHARGE | 4.5-ton split-system heat pump | June 2026 |
| MCHA-60HDCTO2TOP-DISCHARGE | 4.5-ton split-system heat pump | June 2026 |
| MHPA-24DCTOT Series | 2-ton split-system heat pump | March 2026 |
| MHPA-36DCTOT Series | 3-ton split-system heat pump | March 2026 |
| MHPA-48DCTOT Series | 4-ton split-system heat pump | March 2026 |
| MHPA-60DCTOT Series | 4.5-ton split-system heat pump | March 2026 |