Principle of Air Source Heat Pump
The heat pump uses the inverse Carnot principle to absorb a large amount of low temperature heat energy in the air with a small amount of electric energy, transform it into high temperature heat energy through the compression of the compressor, transmit it to the water tank, and heat the hot water.
Therefore, it has low energy consumption, high efficiency, fast speed, good safety, strong environmental protection, and can supply hot water continuously. The working principle diagram of air source heat pump is a hot water system, which has incomparable advantages.
The heat pump water heater unit follows the law of conservation of energy and the second law of thermodynamics. Using the principle of heat pump, it only needs to consume a small part of mechanical work (electrical energy), transfer the heat in the low temperature environment (atmosphere or groundwater, etc.) to the water heater in the high temperature environment, and heat to produce high temperature hot water.
Similarly, according to the second law of thermodynamics, heat cannot be transferred (transferred) spontaneously from a low temperature environment to a high temperature environment. To achieve this goal, a machine must consume a part of mechanical work (such as electrical energy) to transfer heat from a low temperature environment to a high temperature environment. Such machines are called "heat pumps". The function of the heat pump is to take out the heat in the air or low-temperature water, and send it to the high-temperature environment for application together with the heat energy converted from the electrical energy used by itself.
Advantages of Air Source Heat Pump
1. It has a wide range of applications, with a temperature range of - 7 to 40 ℃. It can be used 24/7 all the year round.
2. Low operation cost: outstanding energy-saving effect, short return on investment period, and 70% energy can be saved by air source heat pump.
3. The environment-friendly product has no pollution, no combustion emissions, no harm to human body, and has good social benefits.
4. It has stable performance and is not affected by weather.
5. Convenience: The air energy heat pump occupies a small space, and its shape is similar to that of the outdoor unit of the air conditioner. T
6. Good safety performance, no hidden danger.
7. Realize system operation automation; Automatic operation, no need to be on duty.
8. Long service life, low maintenance cost, service life of more than 15 years.
Parameters of AYD-20RA
| Item | Specification/Supplier | |
Capacity | Model | AYD-20RA |
| Heating Capacity (KW) | 20.35 | |
| Cooling Capacity (KW) | 18.71 | |
Power Input | KW( Heating) | 4.58 |
| KW( Cooling) | 5.15 | |
| Max Current | A( Heating/ Cooling) | 8.2/9 |
| Power Supply | 380V-3N-50HZ | |
| Temperature Range (℃) | 10~50 | |
Water Yield | Heating(L/H) | 445 |
| Cooling(L/H) | 434 | |
| Refrigerant Control | Expansion Valve | |
| Refrigeration Circle | 1 | |
| Refrigerant | R410A | |
| Dimension（mm）L*W*H | 820*720*1020 | |
Compressor | Style | Hermetic Scroll |
| Model | C-SBN453H8D | |
| Quantity(pcs) | 1 | |
| Compressor Type | Scroll | |
Fan | Style | Low Noise Axial Flow Fan |
| Air Flow（m3 /h） | 7200m³/h | |
| Fan Power(KW) | 0.46 | |
Water System | Pipe Size（”） | 1” |
| Pressure(Mpa) | 0.16 | |
Protector Device | 1、Phase protector | |
| 2、Overload protector | ||
| 3、High/low voltage protector | ||
| 4、Coil overheat protector | ||
| 5、Anti-freeze protector | ||
| 6、Overtemperature protector | ||
| 7、Water shortage protector | ||
| Unit Weight（kg） | 120 | |
| Main Parts Brand | ||
| Compressor | Sanyo | |
| Electronic | LS | |
| Expansion Valve | Emerson | |
| Electrical Control | Siemens | |
Parameters and Specifications of Some Other Models
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