Anti-Freezing Air Source Heat Pump Low Temperature Type Automatic Desfroting
Brief Introduction
The compressor is equipped with a low temperature antifreeze electric heating belt, which is beneficial to the low temperature start of the compressor;
Continuous heating is better than air conditioning in low temperature environments
When the air conditioner is below 0 °C, the heating effect is greatly reduced, resulting in "the colder the air conditioner can not be used normally in some areas." The ultra-low temperature air source heat pump hot air enthalpy can continuously and stably heat at -25 ° C low temperature environment, and the application range is wider, and the use process is more worry-free.
Intelligent defrost
Advanced defrosting control mode ensures frost defrosting and no frost removal. Defrost conditions:
1) coil temperature <-7 ° C;
2) Defrost interval > 45min;
3) 20% heat reduction (adjustable)
Model data/ Parameter of central AC ASHP
A7W35 working condition: inlet air temperature 7℃, outlet water temperature 35℃
a: Nominal heating conditions: ambient dry bulb temperature-12℃, wet bulb temperature-14℃, outlet water temperature 41℃, water flow 0.172 * nominal
Model | SLNA-017Y | SLNA-032Y | SLNB-035Y | |||
Compressor capacity | 6HP | 10HP | 12.5HP | |||
Function | Heating and Cooling | Heating and Cooling | Heating and Cooling | |||
Electricity | 380V-3N-50Hz | 380V-3N-50Hz | 380V-3N-50Hz | |||
Working conditions | ℃ | -25~~+45 | -25~+45 | -25~+45 | ||
Data | Heata | Nominal capacity | KW | 12 | 21.5 | 22.3 |
Input power | KW | 4.55 | 9.1 | 9.4 | ||
COP | / | 2.4 | 2.3 | 2.35 | ||
Heating IPLV(H) | 2.7 | 2.7 | 2.7 | |||
Coolb | Nominal capacity | KW | 14 | 25 | 28 | |
Input power | KW | 5 | 10 | 10.4 | ||
COP | / | 2.5 | 2.5 | 2.7 | ||
Cooling IPLV(C) | 2.7 | 2.7 | 2.7 | |||
A7W35c | KW/COP | 19.5/4.21 | 32.0/4.1 | 35.0/4.1 | ||
A2W35 | KW/COP | 27/3.60 | 27/3.60 | 28.5/3.60 | ||
A-7W35 | KW/COP | 21.5/2.8 | 21.5/2.8 | 23.5/2.9 | ||
A-15W55 | KW/COP | 19.7 /1.94 | 19.7 /1.94 | 20.2 /1.94 | ||
A-20W45 | KW/COP | 18.1/2.02 | 18.1/2.02 | 18.7/2.02 | ||
Max. running currency | A | 25 | 25 | 27 | ||
Compressor quantity | set | 2 | 2 | 1 | ||
Refrigerant/charging quantity kg | / | R22/4.8 | R22/3.7*2 | R22/9 | ||
Air blow type | / | Side | Top | Side | ||
Water pipe diameter | mm | G1.2〞 | 32 | 32 | ||
Rating flow | m³/h | 3.2 | 5.5 | 5.9 | ||
Water side pressure loss | kPa | ≤45 | ≤45 | ≤45 | ||
Noise level | dB(A) | 62 | 62 | 62 | ||
Overall dimensions(L×W×H) | mm | 1120×440×1360 | 1530×750×1370 | 1490×900×1900 | ||
Weight | kg | 130 | 320 | 350 |
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