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Current Location : Home > Products > Mini Star Series - Inverter Low Temperature Air Energy Heat Pump (Chilled Water) Unit

Mini Star Series - Inverter Low Temperature Air Energy Heat Pump (Chilled Water) Unit

Mini Star Series Inverter Low-temperature Air Energy Heat Pump, National Standard Level 1 Energy Efficiency Rating, Full DC Inverter Design, Low-temperature Jet Reheating Compressor, "Third Generation" DC Inverter Control Technology. Powerful heating in -35℃ low-temperature environment, internationally renowned brand components, outstanding quality, longer service life. R410A environmentally friendly refrigerant, high-efficiency heat exchanger heating, cooling on-demand output, 8-layer sound insulation and noise reduction measures, intelligent control, precise temperature control, is an ideal choice to replace traditional high-energy heating methods such as coal, gas, oil, electric heating, air conditioning, etc.

Depreta inverter air energy heater uses heat pump technology and is driven by a small amount of electricity to obtain free heat energy from the air outdoors. Consuming 1 unit of electricity can obtain up to 4 units of heat energy, greatly reducing electricity costs. In the cold winter, only a small amount of electricity is used to achieve a comfortable indoor temperature. Compared with traditional coal-fired, gas-fired or electric heating products, it can save a lot of operating costs and is safe, environmentally friendly and pollution-free.

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    Energy-saving and efficient

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    Wide range of applications

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    Ease of use

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    Powerful heating

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    Run smoothly

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DC/DC variable frequency low temperature jet enthalpy increase compressor

It uses an internationally renowned DC variable frequency low-temperature jet reheating compressor and powerful heating in a low-temperature environment of -35°C. The dual-rotor structure design reduces the vibration of the compressor operation, widens the variable frequency operation range, further improves the energy-saving effect of the system, and achieves rapid heating and cooling. The DC variable frequency jet reheating technology guarantees low-temperature heating capacity, lower noise, more stable operation, longer life, and better heating in a low-temperature environment.

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DC/DC frequency conversion control technology

DC variable frequency intelligent control realizes stepless automatic operation adjustment of the compressor, outputs heating and cooling capacity on demand, intelligent control, precise temperature control, and comprehensively improves system stability and high energy efficiency.

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DC/DC inverter fan motor

The DC variable frequency fan motor can adjust the speed in real time according to the system operating status, reducing energy consumption. The large diameter and low noise fan can reduce operating noise and ensure that the system is always in the best operating state.

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Dual electronic expansion valves for precise throttling

The dual electronic expansion valve throttling control mode automatically adjusts the refrigerant flow according to the ambient temperature, system pressure, inlet and outlet water temperature. It has precise throttling, small size and high reliability, keeping the product in the best condition and achieving the purpose of energy saving.

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High efficiency stainless steel plate heat exchanger

316 grade stainless steel brazed plate heat exchanger, countercurrent cross design, uniform refrigerant flow distribution, full utilization of heat exchange area, rapid heat transfer, and excellent heat exchange performance.

Technical Data Sheet

Product number

DPIT-07HC-ME

DPLT-15HC-ME

DPLT-17HC-ME

DPLT-17HC-MES

DPLT-23HC-ME

DPLT-23HC-MES

Applicable power supply

220V~50Hz

220V~50Hz

220V~50Hz

380V~50Hz

220V~50Hz

380V~50Hz

Working conditions

Rated heat capacity

7.5kW

15.5kW

17.5kW

17.5kW

23.0kW

23.0kW

Rated heating input power

2.11KW

4.40kW

4.89kW

4.92kW

6.52kW

6.59kW

Rated thermal coefficient of performance /COP

3.55

3.52

3.58

3.56

3.53

3.49

Working condition -12℃

Nominal heating capacity

6.0kW

11.0kW

12.0kW

12.0kW

15.0kW

15.0kW

Nominal heating input power

2.39kW

4.49kW

4.80kW

4.78kW

6.02kW

6.05kW

Nominal heating coefficient of performance /COP

2.51

2.45

2.5

2.51

2.49

2.48

Working condition -20℃

Low temperature heating capacity

5.2kW

9.6kW

10.5kW

10.5kW

12.6kW

12.8kW

Low temperature heating input power

2.44kW

4.47kW

4.75kW

4.73kW

5.68kW

5.71kW

Low temperature heating coefficient of performance /COP

2.13

2.15

2.21

2.22

2.22

2.24

Working condition 35℃

Rated cooling capacity

6.0kW

11.2kW

12.6kW

12.6kW

16.0kW

16.0kW

Rated cooling input power

2.33kW

4.24kW

4.70kW

4.74kW

6.08kW

6.11kW

Rated refrigeration performance coefficient /EER

2.58

2.64

2.68

2.66

2.63

2.62

Maximum input power

2.9KW

5.4KW

5.8KW

5.7KW

7.2KW

7.3KW

Maximum input current

13A

24A

26A

10A

33A

12A

Comprehensive performance coefficient IPLV(H)

3.2

3.2

3.21

3.21

3.2

3.2

Compressor Type

DC frequency conversion + jet enthalpy increase

Fan motor type

DC inverter brushless motor

Refrigerant name

R410A environmentally friendly

Water temperature setting range

10℃-55℃

Applicable working environment

-35℃-50℃

Circulating water volume

 1.05m3/h

1.90m3/h

 2.10m3/h

2.10m3/h

 2.60m3/h

   2.60m3/h

Connection size

DN25

DN32

DN32

DN32

DN32

DN32

waterproof level

IPX4

IPX4

IPX4

IPX4

IPX4

IPX4

Protection against electric shock category

kind

Category I

Category I

Class I

Class I

Category I

Product Gross Weight

81kg

110kg

120kg

120kg

154kg

154kg

Unit noise

55dB(A)

57dB(A

59dB(A

59dB(A)

61dB(A)

61dB(A)

Net size of product

1000x390x850mm

1200x430x1000mm

1000x390x1385mm

1000x390x1385mm

1200*430*1555mm

1200*430*1555mm

◆ Rated heating capacity test conditions: ambient temperature 7℃/6℃, inlet and outlet water temperature 40℃/45℃;
◆ Nominal heating capacity test conditions: ambient temperature -12℃/-14℃, inlet and outlet water temperature 36℃/41℃;
◆ Low-temperature heating capacity test conditions: ambient temperature -20℃, inlet and outlet water temperature 36℃/41℃;
◆ Rated cooling capacity test conditions: ambient temperature 35℃/24℃, inlet and outlet water temperature 12℃/7℃;
◆ This product complies with GB/T25127.2-2020 and GB37480-2019 energy efficiency standards;
◆ If the data is subject to change, please refer to the product nameplate parameters;

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