Low Environmental temperature Air Source Heat Pump Heating System
Difference of normal ASHP and low environmental temperature ASHP
1. working conditions
Normal ASHP work when environmental temperature is above -10C, in
lower temeprature, normal ASHP has problem in defrosting,and
compressor
Low temperature ASHP could work well even temperature is low to
-25C
2.Technology
Low temperature ASHP could defrost very fast , 90 seconds;
Low temperature ASHP has Jet booster compressor,compressor take use
of refrigerant more efficiently
heating is stable in low temperature environment.
Air source heat pump heating project Introduce
| Project location | E 107 N 40 Climate:lowest -22C in winter |
| Heating area | 70000M2 |
| Quantity of air-source heat pump | 55 sets |
| Model | SDNA-075Y(25HP) |
| System design | ultra low temperature air source heat pump+radiator
|
| Control | Central heating station automatic control |
Project Overview:
The project is located in No 40, Inner Mongolia,the lowest
temperature is -25C for one week, average temperature -19C in
winter.
The heating project is 5000 square meter of Medical ambulance'd buiding.
Project was put into use in 2017, during the entire heating season,
system is stable and reliable high-efficiency operation.
Compared to the average coal burned by the users before, the new
system has significant results in savings of raw coal , reduce SO2 , CO2 ,ash and slag emissions .
ASHP model in this project
| Model | SDNA-075Ycode name.pdf |
| Compressor capacity | 25HP |
| Function | Heat |
| Electricity | 380V 3N-50Hz |
| Working conditions | ℃ | -25~+45 |
| Data | Heata | Nominal capacity | KW | 44.5 |
| Input power | KW | 18.3 |
| COP | / | 2.4 |
| Heating IPLV(H) | 2.7 |
| A7W35c | KW/COP | 75.0/4.2 |
| A2W35 | KW/COP | 62.5/3.20 |
| A-7W35 | KW/COP | 52.5/3.0 |
| A-15W55 | KW/COP | 45.5 /1.97 |
| A-20W45 | KW/COP | 37.4/2.04 |
| Max. running currency | A | 56 |
| Compressor quantity | set | 2 |
| Refrigerant/charging quantity kg | / | R22/10*2 |
| Air blow type | / | Top |
| Water pipe diameter | mm | 50 |
| Rating flow | m³/h | 12.6 |
| Water side pressure loss | kPa | ≤45 |
| Noise level | dB(A) | 62 |
| Overall dimensions(L×W×H) | mm | 2100×1100×2080 |
| Weight | kg | 730 |
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