Gold Member Since 2016
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Jiaxing Mes New Energy Technology Co., Ltd.

Heat Pump, Geothermal Heat Pump, Water to Water Heat Pump manufacturer / supplier in China, offering Water to Water Heat Pump Water Heater 20kw, Air to Water Heat Pump for Heating and Hot Water 15kw, Air Source Heat Pump for Sanitary Hot Water High Cop and so on.

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Supplier Homepage Product Residential water source heat pump for hot water Water to Water Heat Pump Water Heater 20kw

Water to Water Heat Pump Water Heater 20kw

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 500 Units Per Month
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: GD20s-RN5
  • Heat Temperature: 50-70°C
  • Heat Source: Water-source
  • Application: Villa Family, Sauna and Swimming Pool, Hotels, Factory Hospital, Student Apartments, Beauty Salons
  • Power Supply: 220V/50Hz, 1 Phase
  • Transport Package: Wooden Case
  • HS Code: 8418612090
  • Energy Efficiency Grade: One
  • Work Environment: Common Heat Pump
  • Heating Type: Circulating Heat
  • Certification: CE, ISO9001, CCC, SASO
  • Trademark: MES
  • Origin: Jiaxing, China
Product Description
MES Residential water source heat pumps for 50ºC hot water 
This is water source heat pump for residential hot water rated temperature 50ºC, we can use different heat exchangers such as shell & tube, tube in tube or brazed plate type for source side so it can reach different situation, only adopt the best components and with the testing by our engineer with 15 years experiences, we can ensure the best performance for you.
 Product Info.
CompressorCopeland scroll or Panasonic scroll
Capacity8KW, 12KW, 20KW, 28KW
Condenser"ND" Shell & Coil heat exchanger
EvaporatorShell & tube, tube in tube, brazed plate type heat exchanger
AC contactor & RelaySchneider
Electronic expansion valveJapan Saginomiya or World No.1 Sanhua
PackageWooden case or Carton
FastenersStainless steel 304
 Additional Info.
Delivery time25 days after order confirmed
Warranty time24 months after shipment
Payment termT/T or L/C at sight
Production capacity400 units per month
BrandMES or OEM



a. Copeland and R410a refrigerant for best operation.
b. Shell & tube heat exchanger, tube in tube heat exchanger, plate type heat exchanger for option;
c. Emergency switch for power on/off.
d. World famous brands of components, such as Saginomiya electronic expansion valves, SHF 4-way valves and etc.,
e. With compelete testing in laboratory for good quality and highest COP.
f. All copper material for water pipes.
g. Strong wooden case packing for safe sea transporation.
h. Advanced control system for reaching all of your requirements, such as Rs485, PC connection, Modbus port.
i. Unique cabinet designing, for your better marketing.

Parameters table:
Rated heating capacityKW81220122028
Rated powerKW1.64 2.41 4.02 2.41 3.91 5.58 
Rated currentA7.11 10.48 17.46 4.56 7.38 10.54 
Maximum powerKW2.21 3.25 5.42 3.14 5.08 7.25 
Maximum currentA10.52 15.49 25.82 6.12 9.90 14.14 
Performance coefficientCOP4.89 4.98 4.98 4.97 5.12 5.02 
Rated hot water yieldsL/H172258 430 258 430 602 
Setting water temperatureºC50ºC(default)  28-60ºC(adjustable)
Power supply1N 220V/50Hz                                                         (Special power supply for option)3N 380V/50Hz(Special power supply for option)
CompressorTypeHermetic Rotor typeHermetic scroll type
Start modeDirect(Soft start for option)
Application side heat exchangerTypeShell & tube heat exchanger(Tube in tube heat exchanger or Plate type heat exchanger for option)
Water flowM3/h1.42.1 3.4 2.1 3.4 4.8 
Water pressure dropKPa≤50≤50≤50≤50≤50≤50
Pipe connectionDNDN20DN20DN25DN20DN25DN25
Pipe typeInner thread
Heat source side heat exchangerTypeShell & tube heat exchanger
Water flowM3/h1.11.6 2.7 1.6 2.7 3.8 
Water pressure dropKPa≤50≤50≤50≤50≤50≤50
Pipe sizeDNDN20DN20DN25DN20DN25DN25
Connection typeInner thread
Protections1. High and low pressure protection, 2. Anti-freeze protection, 3. High temperature protection, 4. Overload protection, 5. Reverse of phase protection, Lack of phase protection, etc.
Refrigerant TypeR410A
Wooden case package dimensions(L*W*H)mm836x461x752
Net weightKG5568956595135
Gross weightKG657810575105145
Note: 1. Hot water heating standard condition: application side initial water temperature 15ºC, end water temperature 55ºC;  heat source side water input temperature 15ºC.  
    2. The above parameters are based on refrigerant R410A, for parameters based on other refrigerant please contact us.
   3.  The above parameters may have some differences from the final product because of products updating, please refer to final product lable, or refer to us for any information. Our company keeps the right to interpret.

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