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You are here: Home » Products » Air to Water Heat Pumps » 3.8-7.6KW Domestic Monoblock Air Source Heat Pump Hot Water Heater Max Temp 60℃
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3.8-7.6KW Domestic Monoblock Air Source Heat Pump Hot Water Heater Max Temp 60℃

1. High Cop: 4.09/4.07/4.08

2. Max Water Temp: 60℃

3. Power Supply: 220V-240V

4. Running Temp: -10℃~45℃

5. Heating Capacity: 3.8/5.5/7.6KW

  • CGKS3.5 CGKS5.5 CGKS7

Heat Pump Features

monoblock heat pump

Our monoblock air source heat pump water heaters are designed for domestic hot water heating. 

They have the following important features:

  • Mounted on outdoor wall

  • R410A refrigerant

  • Working air temperature range: -10℃ to 45℃

  • Max outlet water temperature: 60℃

  • Internal water pump is optional

  • Mitsubishi or Panasonic rotate compressor

  • Automatically defrosting function

  • Automatic multiple protection and breakdown

  • High efficiency shell and tube water heat exchanger

Heat Pump Specifications

  • Rated working condition: dry-bulb temp: 20℃; wet-bulb temp: 15℃; cool water temp: 15℃; hot water temp: 55℃.

Input Power KW 0.93 1.35 1.86
Heating Capacity KW 3.8 5.5 7.6
4.09 4.07 4.08
Rated Current A 4.7 6.8 9.4
Max Current A 6.1 8.9 12.2
L Line Mm2 1 1.5 2.5
Rated Water Flow L/H 726 1051 1452
Hot Water Flow L/H 82 118 163
Rated Water Pressure Drop Kpa ≤15 ≤18 ≤25
Noise db 45 45 45
Water Pipe Connector Size mm DN20 DN20 DN20
Net Weight kg 40 46 55
Gross Weight kg 45 52 57
Compressor Quantity piece 1 1 1
Fan Motor Power W 30 30 40
Fan Motor Quantity piece 1 1 1
Water Pump (Optional) WILO RS15-6 RS15-6 RS15-6
Dimension mm 970*300*550 970*300*550 1006*350*618
Packing Dimension mm 1040*330*580 1040*330*580 1070*380*650

Installation Diagram

It is easy to install Sprsun monoblock heat pump as shown by the following Installation Diagram: 

heat pump installation diagram

Economic Analysis

Energy Saving Up to 75%: Compared with solar water heaters, gas water heaters and electric water weaters, the energy cost saved by Sprsun air source heat pump water heaters is shocking.



Heat Pump

Solar Water


Gas Water Heater

Electric Water


Heat Source Air + Electricity Solar + Electricity





Heat Value 860kcal/kw/h 860kcal/kw/h 9000kcal/m³ 1080kcal/kg 860kcal/kw/h
Efficiency 450%

1/3 Time Use of 

Electric Heater

90% 85% 90%

Energy Used Daily

2.07kw/h 3.45kw/h 0.99 0.87kg 10.34kw/h
Cost $0.11/kw.h $0.11/kw.h $0.42/ $0.11/kg $0.11/kw.h
Cost Per Day $0.23 $0.38 $0.42 $0.96 $1.14
Annual Cost $84 $139 $153 $350 $416

Technical Support

Our experienced engineering team provides good support for any questions concerning the products and installation before, during and after products are sold. 

Before Selling

  • Set up customers file and arrange professional sales engineers to introduce company products and services to customers in details.

  • If customers are interested in our products, we will send professional technicians to survey the installation environment.

  • Provide solutions according to different customers' requirements.

During Selling

  • Machine installed and tested by QA engineers.

  • Ensure all the products we provide are qualified and new. The working life of the main engine is 15 years.

  • Construct and install the heat pump according to national relevant policies strictly and ensure high quality delivery on time.

  • Test and debug the equipments strictly to ensure the safety and stability.

  • During the delivery, provide comprehensive and professional technical training on instructions and maintenance to customers.

After Selling

  • We promise to offer free consulting call in 7×24 hours mode to solve the problems found in practice. The number is 86-20-82181867.

  • Sprsun offers 18-month long warranty. Within 18 months since the delivery date, if the product has any failure under normal usage, Sprsun will provide free assembly parts.

  • After the expiration of the warranty period, we will continue to provide lifelong maintenance services, with just a small amount of charges.


Guangzhou Sprsun New Energy Technology Development Co., Ltd

 Add: No.15 Tangxi Road, Yinsha Industrial Park, Xintang, Zengcheng District, Guangzhou,511338, China
 Tel: 0086-20-82181867
 Phone: 0086-18933985223
 Skype: sprsun.sprsun
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