GZ AXEN Heat Pump Technology CO.,LTD.
GZ AXEN Heat Pump Technology CO.,LTD.
  • dhw pump
  • dhw pump

Model J DHW Heat Pump

The Model J DHW Heat Pump is eco-friendly with a high COP and versatile installation options. It is ErP and CE certified, featuring a durable stainless steel water tank for long-lasting performance and reliability.


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Specifications of Model J DHW Heat Pump

TECHNICAL DATAAXHW-11/80LAXHW-11/100LAXHW-11/120LAXHW-16/200LAXHW-16/300L
Norminal Heating Capacity * kW1.11.6

tapping cycle****
MMMLXL
Heating Capacity (7/6℃)**kW0.860.880.91.251.25
Heating Time (7/6℃)**H3.184.265.256.49.9
COP (7/6℃)****W/W2.4892.6142.6262.9153.113
Water heating energy efficiency (smart=0) %****
107.1%111.3%111.6%121.1%127.9%
Energy Class(7/6℃)****  
A+A+A+A+A+
Standby power input(7/6℃)***W3025242729

Heating Capacity (20/15℃)**kW1.101.101.121.561.58
Heating Time (20/15℃)**H2.513.44.255.18.0
COP (20/15℃)****W/W3.0523.1543.1353.6053.802
Water heating energy efficiency (smart=0) %****
132%134.5%133.3%150.1%156.2%
Energy Class(20/15℃)****  
A++A++A++A++A+
Standby power input(20/15℃)***W2721202324

Sound power level *****dB(A)5555555556

Power supplyV/Ph/Hz220-240/1/50
Rated Power W20162200
Rated CurrentA1.81 +6.8 (e-heater)2.61 +6.8 (e-heater)
Max.water temperature (without using backup heater)°C60
Max. water temperature°C70
Temperature setting range  °C10-70
Rated water yield*L/H23.634.4
Working temperature range°C -5~43
Max. discharge pressurebar26
Max. suction pressurebar10
Compressor displacementcm3/rev5.78.18
Refrigerant typeR290
Refrigerant chargeg150
Fan motor (Type/W/RPM)Asynchronous motor/40/900Asynchronous motor/60/1130
Air flowm3/h250350
Duct diametermm177
Max allowed pressure of tankbar10
Inside body material of tankSUS 304/316L/2205
Inner tank thickness(mm)11.5
Insulation materialPolyurethane
Thickness of the tank insulation (mm)45
Outside tank materialgalvanized steel
Outside tank thickness(mm)0.5
Coating thickness of the tank cover (mm)0.05
Water tank Colourwhite, silver
Hot water outletinchG 3/4G 3/4G 3/4G 3/4G 3/4
Solar heat source inlet/outletinchG 3/4G 3/4
Cold water inletinchG 3/4G 3/4G 3/4G 3/4G 3/4
Size of water draininchG 3/4G 3/4G 3/4G 3/4G 3/4
Condensed water outletinchG 1/2G 1/2G 1/2G 1/2G 1/2
Material of heat pump coil
MicrochannelMicrochannel
Unit protection Indoor unit (IP xx)IPX1
Water tank VolumeL80100120200300
Included features:Sanitary water heating
auxiliary electrical heater 1.5kw
Salgnomia Electronic expansion valve
Loading  quantity of 20GP3838382724
Loading  quantity of 40GP7676765751
Loading  quantity of 40HQ152152765751
(*) Capacities and power inputs based on the following conditions:   
 - Heating: Ambient temperature 20℃/15℃,  Water temperature from 15℃ to 55℃.

(**) Capacities and Heating Time based on ERP(EN16147) for Stage A  , water temp heating from 10℃ to 53℃.                                                                                                                                                                       

(***)Standby power  input based on ERP(EN16147) for Stage B                                                                                                                                                                  

(****)COP and Energy Class based on ERP(EN16147) for Stage C  with tapping cycle M / L / XL                                                                                                                 

(*****)Noise is tested according to EN 12102 with water 50℃                                                                                                                                                                                                              


Details of Model J DHW Heat Pump

1.  Wide range to choose

In order to feed all kinds of demands for different applications, we developed full range of R290 all in one heat pumps. For example, small apartment for no more than 3 people, we have from 80L to 120L wall mounted type, while for bigger family, we have 200L and 300L floor standing models for your options. All models are Erp, CE certificated.


Wide range to choose


2. R290 Refrigerant

R290 is well known as a zero ODP value, which means that it has no negative impact on the ozone layer. In addition, the GWP value is close to 0, which indicates a minimal impact on the global-warming effect. What’s more? Propane is not only an environmentally friendly refrigerant, but also maintaining better working parameters in heat pump units, such as higher COP and higher leaving water temperature.


R290 Refrigerant


3. Higher COP

During water heating, the R290 series can automatically calculate and analyze its current operating conditions, then adjust the power input to achieve an optimal COP. Under the standard condition of (EN16147)7/6℃, R290 all-in-one heat pump water heater can achieve   COP up to 3.0, which can reduce energy consumption and save your bills in the long run. The invest return will be within 4 years.


Higher COP


4. Micro-Channel Heat Coil

The high-density micro-channel heat coils with multi-flow allow the refrigerant and the surface of the stainless steel water tank to have a larger heat exchange area, which highly improves the heat transfer efficiency.


Micro-Channel Heat Coil


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