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Quick Details

  • Type: Water Source Heat Pump
  • Installation: Freestanding
  • Storage / Tankless: Storage
  • Housing Material: Galvanized steel casing white/ stainless steel
  • Use: Room cooling heating
  • Certification: CE, EMC, CCC ISO9001/2000
  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Clitech
  • Model Number: CWW-18RB
  • Function: House heating cooling
  • Cooling capacity: 17.5KW
  • Heating capacity: 18.8KW
  • EER: 4.4
  • Compressor: Copeland, Sanyo or Daikin
  • Available refrigerant: R417A,R410A, R407C
  • Cover: Galvanized steel casing
  • Heat exchanger: Tube Heat Exchanger
  • Power supply: 380V/3PH/50HZ

Packaging & Delivery

Packaging Details Export standard plywood case package, FOB or CIF term, can be by sea or by air shipment.
Delivery Time 10-20 days for regular models


Product detailed photo:

Sample projects:



Clitech heat pump certificates:



CWW series water source heat pumps can be for cooling in summer and heating in winter.

Clitech ground heat pump System is designed with over voltage, under voltage, over load protection to insure safe operation. The microelectronics controller can start or switch off the machine by judging the water temperature. If the water temperature is lower than designed water temperature, the machine will be switch off to avoid freezing. The microelectronics controller can also supervise the status of components. Malfunction occurred would be transmitted to the controller and displayed through malfunction code.


1. Advanced scroll heat pump technologe.
2. Economical and high efficiency.
3. Complete solution meets various needs; all year round heating and domestic hot water supply solution.
4. Wide operation range.
5. Safe operation with multi-protections.
6. Environment friendly R410a refrigerant.
7. Low noise design.
8. Fuzzy defrost.
9. Easy installation & maintenance.
10.Reliable performance at lower ambient temperature.


Each project has its special requirement for installation(open loop or closed loop), if any queries, our engineer will be so glad to make any drawing or suggestion for you! Pls kindly contact us!


Ground source heat pump installation methods

Horizontal loops

Pipes are laid horizontally in trenches. The depth of the trenches will vary according to the design and soil condition, but is usually 1.2 to 2m deep to assure year round heat source constant temp. Horizontal loops require much more surface area than vertical loops.

Trenches will need 50-80 metres of pipe per kilowatt (kW), with at least 5 metre distance between trenches with coils.

Note, however, this will depend on a number of factors, including ground conditions.

Vertical loops
Most commercial and institutional projects using ground source heat pumps use ‘vertical loop’ systems, which consists of pipe inserted into vertical bore holes, less space is required.

It dig into the ground, normally around 90 metres deep. It is common to have two bore holes to supply one home. The holes are roughly 200mm wide and must be kept at least eight metres apart from each other.


Slinky coils
“Slinky” is a variation of ‘Horizontal loop’. Slinky coils are flattened coils of overlapping piping, which are spread out and laid either horizontally or vertically. Their ability to focus the area of heat transfer into small volume, it reduces the length of the trenches, so reduced land area may need. A 10m long trench laid with a ‘Slinky’ coil will typically supply 1kW of heating load.


Parameter list:


Meeting closed loop groundwater source heat pumps

Product photo 
Cooling condition Cooling capacityKw14.117.523
Input power Kw2.953.74.8
Input currentA5.97.419
Heating conditionHeating capacityKw15.918.824.2
Input powerKw4.256.3
Input currentA8.610.232
Max running currentA121620
Power sourceV/P/Hz380V-415V3N//50HZ
Noise leveldB(A)<60<60<60
Unit size W x D x Hmm680*800*720680*800*720800*1080*1050
Pack size W x D x Hmm780*900*840780*900*890900*1180*1220
Unit weightkg170190210
Water temp control precise°C±2°C
Controller type LCD control panel with colorful backlight, can receive panel button control and remote infrared control
Controller function Work mode control, independent temp setting, work condition display, timer on/off and button lock functions
Throttle type external equalizer thermostatic expansion valve
Refrigerant type R410A, R407C, R417A optional
Refrigerant qtykg22.32.5
Compressor type Hermetically sealed scroll compressor(Sanyo, Copeland optional)
Compressor qtypc111
Water source side Heat exchanger type Efficient tube in tube heat exchanger
Water flowm3/h1.331.662.4
Water pressure losskPa121214
Pipe sizeDN252532
Max working pressurekPa100010001000
Water chiller sideHeat exchanger type  Efficient tube in tube heat exchanger
Water flowm3/h2.423.014
Water pressure losskPa121214
Pipe sizeDN252532
Max working pressurekPa100010001000
1.Rated cooling: heat source side inlet water temp 18°C,outlet water temp is 29°C,air conditioning side inlet water temp is 12°C outlet water temp 7°C.                                                                                                                                               2.Rated heating: heat source side inlet water temp 15°C,air conditioning side inlet water temp 40°C.outlet water temp 45°C.
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