Ortech Heat Pump Manuals
Select your Ortech 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.
Ortech heat pumps by model number
| Model | Description | Certified |
|---|---|---|
| OAH-AHU18K-CH-OMini-spilt Ducted series | 1.5-ton split-system heat pump | July 2026 |
| OAH-AHU24K-CH-OMini-spilt Ducted series | 2-ton split-system heat pump | July 2026 |
| OAH-AHU30K-CH-OMini-spilt Ducted series | 2.5-ton split-system heat pump | July 2026 |
| OAH-AHU36K-CH-OMini-spilt Ducted series | 3-ton split-system heat pump | July 2026 |
| OAH-AHU48K-CH-OMini-spilt Ducted series | 4-ton split-system heat pump | July 2026 |
| OAH-AHU60K-CH-OMini-spilt Ducted series | 4.5-ton split-system heat pump | July 2026 |
| OAH-MZ18K-208-CH-OMulti-spilt series | 18,000 Btu/h ductless mini-split heat pump | August 2026 |
| OAH-MZ18K-208-PR-OMulti-spilt series | 17,700 Btu/h ductless mini-split heat pump | July 2026 |
| OAH-MZ24K-208-CH-OMulti-spilt series | 24,000 Btu/h ductless mini-split heat pump | July 2026 |
| OAH-MZ24K-208-PR-OMulti-spilt series | 24,000 Btu/h ductless mini-split heat pump | July 2026 |
| OAH-MZ36K-208-CH-OMulti-spilt series | 36,000 Btu/h ductless mini-split heat pump | August 2026 |
| OAH-MZ36K-208-PR-OMulti-spilt series | 36,000 Btu/h ductless mini-split heat pump | July 2026 |
| OAH-MZ42K-208-CH-OMulti-spilt series | 42,000 Btu/h ductless mini-split heat pump | August 2026 |
| OAH-MZ42K-208-PR-OMulti-spilt series | 37,000 Btu/h ductless mini-split heat pump | July 2026 |
| OAH-SZ12K-115-PR-OMini-Split series | 12,000 Btu/h ductless mini-split heat pump | August 2026 |
| OAH-SZ12K-208-PR-OMini-Split series | 12,000 Btu/h ductless mini-split heat pump | August 2026 |
| OAH-SZ18K-208-PR-OMini-Split series | 18,000 Btu/h ductless mini-split heat pump | August 2026 |
| OAH-SZ24K-208-PR-OMini-Split series | 23,000 Btu/h ductless mini-split heat pump | August 2026 |