YISO Heat Pump Manuals
Select your YISO 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.
YISO heat pumps by model number
| Model | Description | Certified |
|---|---|---|
| YOHA2-36AAPro | 3-ton split-system heat pump | August 2026 |
| YOHA2-36CBPro2 | 3-ton split-system heat pump | March 2025 |
| YOHA2-60AAPro | 4.5-ton split-system heat pump | August 2026 |
| YOHA2-60CBPro2 | 3-ton split-system heat pump | February 2026 |
| YOHA3-36DDPro2 | 3-ton split-system heat pump | November 2025 |
| YOHA3-60DDPro2 | 3-ton split-system heat pump | November 2025 |
| YOHA8-36AUltra | 3-ton split-system heat pump | June 2026 |
| YRHA1-36ADPro2 | 3-ton packaged heat pump | July 2026 |
| YRHA1-60AAPro | 4.5-ton packaged heat pump | August 2026 |
| YRHA1-60ABPro2 | 4.5-ton packaged heat pump | June 2025 |
| YRHA1-60BBPro2 | 4.5-ton packaged heat pump | July 2026 |