All in one Domestic small Hot Water Juteng Air source heat pump 300L Sanitary 2kW Air to water R134a

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Quick Details
Air Source Heat Pump
Wall mounted, Floor standing, Freestanding, easy installation
Storage / Tankless:
Housing Material:
Stainless Steel, Plastic, Spray coating metal Galvanized
Sanitary/Home/Villa/Beauty salon/Laundry/Dormitory/Apartment
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Juteng / OEM
Model Number:
Heating capacity:
Power input:
Ventilation type:
Side discharge All in one 300L heat pump
Power supply:
220-240/1/50,60 (V/Ph/Hz)
All in one Domestic Hot Water Heat Pump heater
Water tank:
Heat exchanger:
Shell Heat Exchanger
Mitsubishi, Panasonic, Toshiba
Supply Ability
Supply Ability:
3000 Unit/Units per Month Sample All in one Domestic Hot Water Heat Pump is available
Packaging & Delivery
Packaging Details
All in one Domestic Hot Water Heat Pump Package:
Plywood case or Wooden packaging
Hot Water Heat Pump heater at Foshan Port, Guangzhou port, Shenzhen port or other Ports
Lead Time :
10 days

All in one Juteng heater top industrial 300L small Domestic Hot Water R134a

Heat Pump 2kW Air to water Home Heat Pump apparatus high COP

Product Description


Heating capacitykw2.0 (+1.5**)
Power inputW513 (+1500**)
Max Power inputkw0.9 (+1.5**)
Max CurrentA4.3  (+6.8**)
Power supplyV/N/Hz220~240/1/50
CompressorRotary, Toshiba or Hitachi
Refrigerant type / ChargeR134a  / 1.3kg
Normal water temp55
Max water temp70
Water tank VolumeL300
Air flowm³/h560
Air static pressurePa 
Duct diametermm160
Permissible refrigerant pressure suction / dischargeMpa1.3 / 4.2
Permissible tank pressureMpa1
Set point relief valveMpa0.7
Net DimensionsmmΦ640x1840=0.754m³
Packing Dimensions Packed by cartonmm660x710x1920=0.9m³
Net Weight Kg107
Gross Weight Packed by cartonKg112
Noise leveldB(A)48
Unit protection classIPIPX4
Container loading20' GP(units)24
40' GP(units)54
40' HQ(units)54
Features included:1.5kw auxiliary electrical heater
Electronic expansion valve
Magnesium stick
Relieve / safety valve
One extra set of heat exchanger, such as Solar coil(optional, if you need please claim in advance)


Working Principle:
  Compressor gets the low temperature and low pressure air refrigerant from evaporator,

then turn it into high temperature and high pressure air,

this air gets into the condenser to exchange the heat with water,

then the condensed air become low temperature fluid and release lots of heat energy.


Water gets this heat energy and become hotter and hotter.

This high pressure and low temperature fluid become low pressure by the primary flow meter device.

This low pressure and low temperature fluid, gets into the evaporator, Under the function of rotation fan, heat energy from air is absorbed by the fluid and becomes low pressure refrigerant,

then is absorbed by compressor, recycling to produce the hot water

Our Services

 Juteng Heat pumps have several advantages compare to other water heater:

1. Save money. Heat pump is a high efficiency water heater, to supply 4kw energy; it just consumes 1kw electric power. So compare to electric heater, it can save 3kw electric energy. Save energy means save money.

2. Environment friendly. Heat pump only need electric, so it doesn't burn fuels, doesn't exhaust pollution of air and water. It’s very clean.

3. Safe. Compare to common electric water heater, water and electricity is segregated in heat pump, avoid people getting an electric shock when bathing. Make sure humans' safe as Multiple-protections.

4. Free installation: Heat pumps can be installed in the garden, on the balcony, or on the housetop, or any place you like.

5. No affected by weather: Heat pump can work in the day and night. You can get hot water at any time.

6. Government support: Now, more and more countries government support heat pump users and give them subsidy.


Company Information

Juteng is a professional company engaged in R&D, production and sales of air source and water source heating products. We have rich experience in refrigeration and heating for many years. Juteng have more than 100 workers, 4 production lines, 3 big workshops and large heat pump laboratory.

By 16 years’ growth our product line covers full range:

Multifunctional air to water heat pump,

All in one domestic hot water heat pump,

Split domestic hot water heat pump,

Commercial hot water heat pump,

Swimming pool heat pump,

DC inverter air to water heat pump,

EVI air to water heat pump,

Multifunctional water source heat pump,

Water to water heat pump,

Water tank (pressure bearing and insulated) for heat pumps.



Sales Manager: Ms. Jenny

Guangdong Juteng Environmental Protection Equipment Co., Ltd.

Add: Longchuan Dengyun Zhen Shenzhen Nanshan(Longchuan) industrial transfer park,Heyuan,Guangdong

Cell & WhatsApp & Wechat: +86 15919073687 

Skype: jenny02025

E-mail: <>

Trade Manager: cn1520455550vefx 




Professional Testing laboratory was built about $450,000,  which have a whole set testing:

1) Standard heating, cooling

2) Simulate Low and High temp working condition, a variety of ambient temp, indoor temp and outdoor temp.

3) Power consumption

4) COP and SEER

5) Defrosting

6) Air conditioner, water source, air source and hot water heat pump performance and capacity reliability testing

7) Controller function testing

8) Test goods at all kinds of power supply

9) Setting Temp ranges -25~55℃, its accuracy is +-0.2℃; Humidity ranges 20%~99%, its accuracy is +-1%.

10) DC inverter water flow and air flow control (100m³/h ~ 3000 m³/h)

11)  Temp, pressure, power collector.



Juteng split and monobloc air to water heat pumps can be connected to solar collectors, for even greater efficiencies. The solar energy helps to deliver 60% of your hot water energy needs throughout the year.




Main quality control project list:

1. Check all parts before assembling.

2. Charge nitrogen to test leakage and pressure maintaining after welding system.

3. Vacuumize, the vacuum pressure ≤30Pa

4. Leakage detection by halogen after charge refrigerant.

5. Safety testing: High-voltage insulation test and ground resistance.

6. Operation testing, record refrigerant pressure, temp. etc.

7. Inspect inside unit’s cleanliness and appearance.


1. Base plates go online

2. Install compressors, condensers and evaporators

3. Assemble and weld copper pipes

4. Recharged with Nitrogen

5. Water-inspection (Check if exist in air leakage)

6. Discharge Nitrogen

7. Vacuum air-removed

8. Add refrigerant

9. Halogen inspection

10. Fix fan component

11. Install electrical control

12. Security checks (Insulation, Ground connection, Dielectric Strength test, Leakage)

13. Run commodity inspection (The noise of components and parts, Function, Timing, shutdown, current, Difference in temperature)

14. Stick nameplate and connection diagram

15. Document attached (Product Manuals, instructions)

16. Final inspection (Appearance parts)

17. Packing

18. Tape-out



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