Day & Night Geothermal Heat Pump Manuals — page 2
Select your Day & Night model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
Day & Night geothermal heat pumps by model number
| Model | Description | Certified |
|---|---|---|
| HS024*******1**1HS | open-loop water-to-air geothermal heat pump | December 2024 |
| HS036SR*C******1GZ Split | open-loop water-to-air geothermal heat pump | June 2025 |
| HS036SR*N******1GZ Split | open-loop water-to-air geothermal heat pump | June 2025 |
| HS036***C***1**2HS | open-loop water-to-air geothermal heat pump | December 2024 |
| HS036***N***1**2HS | open-loop water-to-air geothermal heat pump | December 2024 |
| HS036*******1**2HS | open-loop water-to-air geothermal heat pump | December 2024 |
| HS048SR*C******1GZ Split | open-loop water-to-air geothermal heat pump | June 2025 |
| HS048SR*N******1GZ Split | open-loop water-to-air geothermal heat pump | June 2025 |
| HS048*******1**1HS | open-loop water-to-air geothermal heat pump | December 2024 |
| HS060SR*C******1GZ Split | open-loop water-to-air geothermal heat pump | June 2025 |
| HS060SR*N******1GZ Split | open-loop water-to-air geothermal heat pump | June 2025 |
| HS060*******1**1HS | open-loop water-to-air geothermal heat pump | December 2024 |
| HS072SR*C******1GZ Split | open-loop water-to-air geothermal heat pump | June 2025 |
| HS072SR*N******1GZ Split | open-loop water-to-air geothermal heat pump | June 2025 |
| HW024WR********1HW | open-loop water-to-water geothermal heat pump | June 2025 |
| HW024W**D/G***1**2HW | open-loop water-to-water geothermal heat pump | December 2024 |
| HW036WR********1HW | open-loop water-to-water geothermal heat pump | June 2025 |
| HW036W**D/G***1**2HW | open-loop water-to-water geothermal heat pump | December 2024 |
| HW048WR********1HW | open-loop water-to-water geothermal heat pump | June 2025 |
| HW048W**D/G***1**2HW | open-loop water-to-water geothermal heat pump | December 2024 |
| HW060WR********1HW | open-loop water-to-water geothermal heat pump | June 2025 |
| HW060W**D/G***1**2HW | open-loop water-to-water geothermal heat pump | December 2024 |
| HW120WR********1HW | open-loop water-to-water geothermal heat pump | June 2025 |