ZERO Heat Pump Manuals
Select your ZERO 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.
ZERO heat pumps by model number
| Model | Description | Certified |
|---|---|---|
| Z2SOV-18HDTA-US-OZ-MAX US R32 Hyper Heat Series | 18,000 Btu/h ductless mini-split heat pump | July 2026 |
| Z2SOV-18HDTB-USZ-MAX | 18,000 Btu/h ductless mini-split heat pump | September 2025 |
| Z3SOV-18HDM-USZ3SOV Series | 18,000 Btu/h ductless mini-split heat pump | June 2026 |
| Z3SOV-18HDMB-USZ3SOV Series | 18,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z3SOV-27HDM-USZMSB Series | 27,000 Btu/h ductless mini-split heat pump | April 2026 |
| Z3SOV-27HDTA-US-OZ-MAX US R32 Hyper Heat Series | 28,000 Btu/h ductless mini-split heat pump | July 2026 |
| Z3SOV-27HDTB-USZ-MAX | 27,000 Btu/h ductless mini-split heat pump | September 2025 |
| Z4SOV-18HDMB-USZ4S Series | 18,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z4SOV-18HDMB-USHHZ4S Series | 19,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z4SOV-27HDMB-USZ4S Series | 26,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z4SOV-27HDMB-USHHZ4S Series | 27,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z4SOV-36HDM-USZ4S Series | 36,000 Btu/h ductless mini-split heat pump | June 2026 |
| Z4SOV-36HDMB-USZ4S Series | 35,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z4SOV-36HDMB-USHHZ4S Series | 36,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z4SOV-36HDTA-US-OZ-MAX US R32 Hyper Heat Series | 38,000 Btu/h ductless mini-split heat pump | July 2026 |
| Z4SOV-36HDTB-USZ-MAX | 35,000 Btu/h ductless mini-split heat pump | January 2026 |
| Z4SOV-48HDMB-USZ4S Series | 45,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z4SOV-48HDMB-USHHZ4S Series | 45,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z4SOV-53HDMB-USHHZ4S Series | 51,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z5SOV-36HDMB-USZ5SOV Series | 35,000 Btu/h ductless mini-split heat pump | May 2026 |
| Z5SOV-42HDTA-US-OZ-MAX US R32 Hyper Heat Series | 42,000 Btu/h ductless mini-split heat pump | July 2026 |
| Z5SOV-42HDTB-USZ-MAX | 42,000 Btu/h ductless mini-split heat pump | January 2026 |
| Z5SOV-48HDM-USZ5SOV Series | 48,000 Btu/h ductless mini-split heat pump | June 2026 |
| Z6SOV-48HDMB-USZ6SOV Series | 45,000 Btu/h ductless mini-split heat pump | May 2026 |
| ZMSB-09HV-USHHZMSB Series | 9,000 Btu/h ductless mini-split heat pump | April 2026 |
| ZMSB-09HV-USHHCZMSB Series | 9,000 Btu/h ductless mini-split heat pump | June 2026 |
| ZMSB-09HV-USHHC-OZMSB Series | 9,000 Btu/h ductless mini-split heat pump | June 2026 |
| ZMSB-09HV-USHHCR2-OZMSB Series | 9,000 Btu/h ductless mini-split heat pump | May 2026 |
| ZMSB-09HV-USHHR2-OZMSB Series | 9,000 Btu/h ductless mini-split heat pump | May 2026 |
| ZMSB-09HV-USR2-OZMSB Series | 9,000 Btu/h ductless mini-split heat pump | May 2026 |
| ZMSB-09HV110-USR2-OZMSB Series | 9,000 Btu/h ductless mini-split heat pump | May 2026 |
| ZMSB-09HVD-USZMSB Series | 9,000 Btu/h ductless mini-split heat pump | April 2026 |
| ZMSB-09HVD110-USZMSB Series | 9,000 Btu/h ductless mini-split heat pump | April 2026 |
| ZMSB-09HVT-USHHCR2Z-MAX | 9,000 Btu/h ductless mini-split heat pump | September 2025 |
| ZMSB-09HVT-USHHR2Z-MAX US R454B Hyper Heat | 9,000 Btu/h ductless mini-split heat pump | September 2025 |
| ZMSB-09HVT-USR1-S23-OZ-MAX US R32 Hyper Heat Series | 9,000 Btu/h ductless mini-split heat pump | July 2026 |
| ZMSB-09HVT110-USHHR2Z-MAX US R454B Hyper Heat | 9,000 Btu/h ductless mini-split heat pump | September 2025 |
| ZMSB-09HVT110-USR1-S23-OZ-MAX US R32 Hyper Heat Series | 9,000 Btu/h ductless mini-split heat pump | July 2026 |
| ZMSB-12HV-USHHZMSB Series | 12,000 Btu/h ductless mini-split heat pump | April 2026 |
| ZMSB-12HV-USHHCZMSB Series | 12,000 Btu/h ductless mini-split heat pump | June 2026 |
| ZMSB-12HV-USHHC-OZMSB Series | 12,000 Btu/h ductless mini-split heat pump | June 2026 |
| ZMSB-12HV-USHHCR2-OZMSB Series | 12,000 Btu/h ductless mini-split heat pump | May 2026 |
| ZMSB-12HV-USHHR2-OZMSB Series | 12,000 Btu/h ductless mini-split heat pump | May 2026 |
| ZMSB-12HV110-USHHR2-OZMSB Series | 12,000 Btu/h ductless mini-split heat pump | May 2026 |
| ZMSB-12HVT-USHHCR2Z-MAX | 12,000 Btu/h ductless mini-split heat pump | September 2025 |
| ZMSB-12HVT-USHHR2Z-MAX US R454B Hyper Heat | 12,000 Btu/h ductless mini-split heat pump | September 2025 |
| ZMSB-12HVT-USR1-S24-OZ-MAX US R32 Hyper Heat Series | 12,000 Btu/h ductless mini-split heat pump | July 2026 |
| ZMSB-12HVT110-USHHR2Z-MAX US R454B Hyper Heat | 12,000 Btu/h ductless mini-split heat pump | September 2025 |