The “5L JNOD R290 Heat Pump Hydraulic Module without Water Tank” is a indoor unit designed to work seamlessly with R290 top-blow heat pump systems. It has a built-in expansion tank, electric heating heater, three-way valve, automatic air release valve, and AC contactor. Expansion tanks enhance the system safety. It saves customers significant installation time and costs. Installing a monoblock heat pump is now easier!
It is a compact, all-in-one indoor unit. It can be used with various heat pump systems to ensure a stable hot water supply and efficient home heating. It is the whole house control center for heating, cooling and hot water.
Our independently developed color LED screen allows you to easily access all menus. We’ve designed it to be simple and easy to understand for user convenience.
| Model | NHB-02 | NHB3N-01 |
| Power Supply | 220~240V/50Hz/60Hz | 380-415V/50Hz |
| Expansion Tank | 5L | 5L |
| Electric Heating Heater | 3kW | 6kW |
| AC Contactor 1 (Main Board) (Both are 220-240V voltage connection) | 16A | 16A |
| AC Contactor 2 (DHW Electric Heater Terminal) | 63A | 25A |
| AC Contactor 3 (Heating Electric Heater Terminal) | 63A | 25A |
| AC Contactor 4 (Inner Electric Heater Terminal) | 16A | 25A |
| 3-Way Valve | Yes | Yes |
| Automatic Air Release Valve | Yes | Yes |
| Water Connection | G1' | G1' |
| Communication Connecting Wire Length (Indoor unit & Outdoor unit) | 15m | 15m |
| Connecting Wire Length (Temp. Sensors) | 5m | 5m |
| Product Size (L/W/H) mm | 610*420*250 | 610*420*250 |
| Standard Package Method | Cardboard Box | Cardboard Box |
| Standard Cardboard Box Package Dimensions (L/W/H) mm | 700*480*312 | 700*480*312 |
| Optional Wooden Box Package Up-cost | $16.00 | $16.00 |
| Optional Wooden Box Package Dimensions (L/W/H) mm | 735*515*440 | 735*515*440 |
| Adapt model | All | All |
It works in conjunction with various heat pump systems to ensure a consistent supply of hot water and efficient home heating.
It offers seven modes, including domestic hot water mode, heating + domestic hot water mode, and cooling + domestic hot water mode, to meet the needs of different seasons and users.
Yes, the unit has a compact design and flexible installation, and it won’t take up too much space in your home. Indoor installation is unaffected by cold weather.
The unit is equipped with an electric heating element and a buffer tank, ensuring stable temperature control.
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