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Full DC stepless inverter refers to air source heat pump (variable frequency compressor, variable frequency motor) which use DC inverter technology. Most products in the market use step frequency conversion or grid-style frequency conversion, which cannot achieve real stepless frequency modulation; Stepless inverter means stepless frequency modulation, which can achieve continuous speed regulation without gear. According to the running condition, Smadultra-low temperature full DC inverter frequency modulation, which can save more. Heat & cooling heat pump can realize free running with 1Hz stepless energy up to 59% compared with other variable frequency units.

Smad Air to Water Heat Pump with Full DC inverter technology

R32 contributes greatly to the environment protection since R32 has a low GWP of 675 which is just 32% of R410A. In the same heat pump system, with lower liquid density, the charge amount of R32 is less than that of R410A, which brings in higher economic efficiency. The heat needed to evaporate R32 is greater than that of R410A so that the required mass flow rate per unit is smaller and the COP is higher. We not only take care of your family but also contribute to protecting the earth.

Smad Air to Water Heat Pump with R32 Refrigerant

Targeting European market, Smad Air to Water Heat Pump is specially developed with the most cutting-edge heat pump technology and modern design to meet stringent requirements for efficiency, stability and quietness. Not only does Smad Air to Water Heat Pump use R32 green gas and DC inverter technology, but also be rated with A+++ energy label. With top energy rating A+++, the unit is currently most energy efficient and can greatly reduce energy bills for customers.

Smad Air to Water Heat Pump with A+++ Energy Level

Under low ambient Temperature, the performance of normal heat pumps will be limited. First, the heating ability, the lower the ambient temperature, the weaker the heating ability. Second, reliability, low temperature environment will affect the stability of the machine and operation reliability. Third, the operating width and safety range will affect the performance of the heat pump. Thanks to the unique Full DC Inverter technology, Smad Air to Water Heat Pump can operate efficiently at -25°C, maintain high COP and reliable stability.

Smad Air to Water Heat Pump runs stable  at -25℃

Because a heat pump, regardless of its capacity, must be as easy to use, the Air to Water Heat Pump can be controlled via your smartphone over Wi-Fi using a control panel located on the pump.

Smad Air to Water Heat Pump with intelligent Wi-Fi control


Model No. DFT-006BSE1; DFT-014BSE1; DFT-018BSE3
Power Supply(V/Ph/Hz) 220~240/1/50; 220~240/1/50; 380~415/3/50
Heating Capacity (A7/6℃,W30/35℃) 6.46 (2.50-8.30)kW; 14.45 (5.30-16.50)kW; 18.77 (6.20-20.50)kW
Heating Capacity(A7/6℃,W47/55℃) 5.92kW; 13.89kW; 16.90kW
Cooling Capacity(A35/24℃,W12/7℃) 5.66kW; 13.24kW; 15.88 kW
ERP Level(Outlet water temp. at 35℃) A+++
Refrigerant R32
Compressor Panasonic / DC inverter / Rotary / EVI
IP Class IPX4
Sound pressure at 1m distance 50 / 52 / 54 dB(A)
Operating temperature range (Heating mode) -30~45 °C
Operating temperature range (Cooing mode) 16~45 °C
Product Dimensions( L×D×H ) 1100×445×850; 1100×445×850; 1050×420×1250 mm
Packed Dimensions ( L×D×H ) 1150×580×1000; 1150×580×1000; 1100×480×1400 mm
Net Weight 95 / 125 / 155 Kg
Gross Weight 105 / 140 / 175 Kg

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