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R290 Full DC Inverter Heat Pump, 70% energy savings ,Wide range of use
With full inverter technology, soft start and fast heating can be realized. And water temperature will be more constant, making you enjoy the warmth and comfort of home all the time.
The unit can operate normally within the temperature range of -35C~48C;
Clean air energy, low carbon and environmentally friendly;
Strong adaptability, personalized customization;



Separation of water and electricity, no leakage explosion risk of electric shock
ZhenXin dedicates to creating super quiet running environment for the user. adopts multiple noise reduction technologies, every product has been repeatedly tested and optimized.
Separation of water and electricity, no leakage explosion risk of electric shock;
24 hours constant temperature circulation supply;
Circulation pump works regularly, instant hot water without waiting;
Stable heating in winter, ensuring that the unit does not freeze and defrosting more thoroughly





| Product Parameters | |
| Product Model | DKFXRS-18II |
| Power supply | 380V/3N~/50Hz |
| Ambient Temperature | 20℃ 7℃ 0℃ -12℃ |
| Rated heating capacity(KW) | 18.3 16.8 14.2 9.1 |
| Rated power consumption(KW) | 4.57 5.05 4.56 3.99 |
| COP(W/W) | 4.10 3.33 3.11 2.28 |
| Water production(L/H) | 458 350 290 186 |
| Refrigerant | R410A/R22 |
| Maximum working current(A) | 10.8 |
| Circulating water flow(m³/h) | 3.5 |
| Maximum water discharge temperature(℃ ) | 60 |
| Working environment(℃ ) | -35℃~48℃ |
| Circulating water pipe diameter | DN25 |
| Unit weight(kg) | 158 |
| Dimension(mm) | 1050*790*1200 |
| Waterproof grade | IPX4 |
| Anti-electrocution protection class | CLASS I |
The heating capacity of the unit is 18.3 KW at 20°C ambient temperature, and it ranges down to 9.1 KW at -12°C.
The maximum water discharge temperature of this heat pump is 60°C.
This heat pump uses R410A or R22 refrigerant.
Yes, the heat pump utilizes clean air energy, making it low carbon and environmentally friendly.
The coefficient of performance (COP) varies between 4.10 at 20°C to 2.28 at -12°C, indicating high energy efficiency.
Yes, the unit can operate normally within a temperature range of -35°C to 48°C.
The heat pump features a 24-hour constant temperature circulation supply, ensuring instant hot water without waiting.
No, the unit has a separation of water and electricity design, minimizing the risk of leakage and electric shock.
The unit weighs 158 kg and has dimensions of 1050 mm x 790 mm x 1200 mm.
The heat pump incorporates multiple noise reduction technologies to create a super quiet running environment.
Regular checks on the water circulation and refrigerant levels are recommended to ensure optimal performance.
The power supply requirement for this unit is 380V/3N~/50Hz.
The circulating water flow rate is approximately 3.5 m³/h.
Yes, it is recommended to have a qualified technician install the unit to ensure proper setup and compliance with local regulations.
The waterproof grade of the heat pump is IPX4.
No approved technical specifications are available yet. Please refer to the product description or contact our team.
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