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39KW-100KW Open Loop Water to Water Heat Pump Air Conditioner for House Heating & Cooling

1. High Cop: 5.22/5.23/5.24

2. Heating Water Temp: 25℃-55℃

3. Cooling Water Temp: 10℃-30℃

4. Power Supply: 380V~415V/50Hz/3ph

5. Source Side Temp: -10℃ to 35℃

6. Heating Capacity: 39KW/46KW/56KW/76KW/100KW

7. Cooling Capacity: 33.2KW/39.1KW/47.6KW/64.6/85KW
  • CGS-36(HC) CGS-42(HC) CGS-52(HC) CGS-72(HC) CGS-95(HC)

Features of Heat Pumps

Open Loop Water to Water Heat Pumps

SPRSUN geothermal water source heat pumps are designed for house heating and cooling (hot water/house heating functions available in other models) with COP up to 5.24. They have the following important features: 

  • Open Loop System;

  • Source Side Temp: -10℃ to 35℃;

  • Control object: using side return water temperature ;

  • Setting range: heating 25℃~55℃; cooling 30℃~10℃;

  • Circulating water pump controlling;

  • Linkage ON/OFF function by external controlling system signal;

  • Electric heater back up;

  • Timer function;

  • Multiple protections

Technical Features of Open Loop Water to Water Heat Pumps

Heat Pump Specifications

  • Rated working condition: cooling: source side inlet/outlet water temp: 30℃/35℃, load side inlet/outlet water temp: 12℃/7℃; heating: source side inlet/outlet water temp: 15℃/10℃, load side inlet/outlet water temp: 40℃/45℃ 

CGS-36(HC) CGS-42(HC)
Power Supply V 380V~415V/50Hz/3ph
Heating Capacity KW 39.0 46.0 56.0
Input Power of Heating KW 7.46 8.78 10.69
5.23 5.24 5.24
Cooling Capacity KW 33.2 39.1 47.6
Input Power of Cooling KW 7.29 8.58 10.44
4.55 4.56 4.56
Rated Current A 13.8 16.3 19.8
Max Current A 18.7 22.0 26.8
Water Flow of Load Side L/h 7452 8790 10700
Water Flow of Source Side L/h 6781 8001 9741
Water Pressure Drop Kpa ≤40 ≤42 ≤45
Net Weight kg 165 180 350
Gross Weight kg 185 200 370
Noise db 56 56 58
Pipe Size (Internal Thread) mm 32 32 50
Dimension mm 1040*600*1200 1040*600*1200 1040*600*1200
Packing Dimension mm 1090*705*1560 1090*705*1560 1040*640*1140
Compressor Model/Quantity
CGS-72(HC) CGS-95(HC)
Power Supply V 380V~415V/50Hz/3ph
Heating Capacity KW 76.0 100.0
Input Power of Heating KW 14.53 19.16
5.23 5.22
Cooling Capacity KW 64.6 85.0
Input Power of Cooling KW 14.20 18.72
4.55 4.54
Rated Current A 27.0 35.5
Max Current A 36.4 48.0
Water Flow of Load Side L/h 14522 19108
Water Flow of Source Side L/h 13213 17378
Water Pressure Drop Kpa ≤48 ≤50
Net Weight kg 451 475
Gross Weight kg 471 495
Noise db 65 68
Pipe Size (Internal Thread) mm 50 65
Dimension mm 1240*840*1650 1240*840*1650
Packing Dimension mm 1300*900*1800 1300*900*1800
Compressor Model/Quantity
ZW108KAE*2 VR144KSE*2

components of heat pumps

Our water source heat pumps use high quality components such as Copeland scroll compressor, Emerson thermal expansion valve, SANHUA 4-way valve, etc.

Water Source Heat Pump Materials

installing heat pumps

It is easy to install SPRSUN water source heat pump as below:

Installation of Open Loop Water to Water Heat Pumps

workmanship of heat pumps

We care every detail on what you need!

Super Low Noise: Fitted cut clothes for compressor and strong pads to avoid vibration

Anti-corrosion: Aluminum edging                         

Exellent Welding Guarantee No Leakage: Four-way valve welding protection 

energy saving heat pumps

Energy Saving: 30mm thickness for insulation to prevent energy lost

User-friendly Design: Ram design using machine wire

Reliability of the Connection: Adopt automatic stamping machine from Taiwan

low noise heat pumps

Heat Pump Models

Related models are as below:

Water Source Heat Pump Models

Heat Pump 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.




SPRSUN is a professional heat pump manufacturer founded in 1999. As one of the leading heat pump suppliers in China, SPRSUN manufactures several different types of heat pumps, including DC inverter heat pumps, air source hot water heat pumps and swimming pool heat pumps. They are produced based on EN14511 standard with CCC, CE, CB, SAA, ROHS, TUV and ERP certificates. We also cooperate with leading companies such as Panasonic, CAREL, Grundfos, Copeland, Mitsubish and Sanyo to ensure upgraded product quality. Over the years, excellent products based on leading technology and professional service have earned SPRSUN its reputation as one of the leading heat pump suppliers all over the world.
Years of Heat Pump Experience
Number of Selling Countries
Global Strategic Partners
Monthly Heat Pump Production


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A Professional Heat Pump Manufacturer Since 1999
No.15 Tangxi Road, Yinsha lndustrial Park, Xintang, Zengcheng District, Guangzhou, 511338, China


TEL: 0086-20-82181867
PHONE: 0086-18933985223
SKYPE: sprsun.sprsun