Shandong Yushen Energy Technology Co., Ltd.
Shandong Yushen Energy Technology Co., Ltd.
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Cold Climate Home Air Source Heat Pump Systems With R404A Refrigerant
ome Air Source Heat Pump Systems Brief Introduction
Air source heat pumps run on electricity. They take heat from the air outside and treat it through a refrigerant cycle. Air source units are more affordable than ground source units. However, they should be installed in temperate climates where the winters aren’t regularly below freezing to save on heating costs.
Comparasion to Electric AC unit
| Items | Air source heat pump | Air conditioner unit |
| When heating | 40% energy saving than Ac | --- |
| When cooling | Equal energy consumption | Equal |
| Installation | Easy | easy |
| Maintenance | Little | some |
| Suitable for Ender | AC fans, under floor,radiator | AC fans only |
| Extra | Hot water | no |
Yushen Products Advantages
Model data/ Parameter
| Model | SLNA-007UMcode name.pdf | |||
| Compressor capacity | 2HP | |||
| Function | Heating and Cooling | |||
| Electricity | 220V-1N-50Hz | |||
| Working conditions | ℃ | -25~～+45 | ||
| Data | Heata | Nominal capacity | KW | 3.9 |
| Input power | KW | 1.69 | ||
| COP | / | 2.3 | ||
| Heating IPLV(H) | 2.53 | |||
| Coolb | Nominal capacity | KW | 4.4 | |
| Input power | KW | 1.69 | ||
| COP | / | 2.6 | ||
| Cooling IPLV(C) | 2.7 | |||
| A7W35c | KW/COP | 6.4/4.1 | ||
| A2W35 | KW/COP | 5.8/3.6 | ||
| A-7W35 | KW/COP | 4.3/2.7 | ||
| A-15W55 | KW/COP | 3.4/1.9 | ||
| A-20W45 | KW/COP | 2.9/1.94 | ||
| Max. running currency | A | 13.2 | ||
| Compressor quantity | set | 1 | ||
| Refrigerant/charging quantity kg | / | R404A/2.2 | ||
| Air blow type | / | Side | ||
| Water pipe diameter | inch | G1〞 | ||
| Rating flow | m³/h | 1.6 | ||
| Water side pressure loss | kPa | ≤35 | ||
| Noise level | dB(A) | 59 | ||
| Overall dimensions(L×W×H) | mm | 1087×435×901 | ||
| Weight | kg | 70 | ||
a: Nominal heating conditions: ambient dry bulb temperature-12℃, wet bulb temperature-14℃, outlet water temperature 41℃, water flow 0.172 * nominal
b:Nominal refrigeration conditions: ambient dry bulb temperature 35℃, outlet water temperature 7℃, water flow 0.172 * nominal cooling capacity
c:A7W35 working condition: inlet air temperature 7℃, outlet water temperature 35℃