Air source heat pump in the northern extreme cold environment operation, more prone to frost, if there is no timely defrost defrost, directly affect the operation of the equipment, and even lead to interruption of heating, so the air source heat pump defrost defrost is very important.
Importance of Frosting Function in Air Source Heat Pumps
▼
1. Maintaining equipment operation
Defrosting is a key mechanism for air source heat pumps to maintain normal operation in low winter temperatures. By defrosting the equipment in time, the equipment can avoid the loss of heating capacity or direct equipment shutdown due to the accumulation of too much frost layer.
2. Improve energy efficiency and reliability
Efficient defrosting technology ensures that the air energy heat pump will quickly return to work after a frost, maintaining its efficient heat conversion capability. This not only improves the efficiency of energy use, but also enhances the overall reliability of the unit.
3. Adapt to extreme environments
In regions with harsh winters such as the north, air source heat pumps need to be able to withstand extremely low temperatures without malfunctioning. Advanced defrosting technology, such as intelligent defrosting and timed defrosting, is an important factor in ensuring the stable operation of the equipment in these extreme conditions.
Two Scenarios of Air Source Frosting
▼
√Normal Frost
As the air source heat exchanger temperature is lower than the dew point temperature of the ambient air, the entire heat exchanger on the surface of the heat sink will produce condensation, when the ambient air temperature is lower than 0 ° C, the condensation will be condensed into a thin frost, frost will affect the heating effect of the machine in severe cases.
⨉Non-normal frost
Non-normal frost is the main cause of heat pump operation failure, mainly including the bottom of the evaporator frost, both sides of the uniform frost and has not been defrosted, frost is not complete or one side of the side of the frost side of the frost, a short period of time and frequent frost, the evaporator on one side or both sides of the uneven frost or part of the regional frost and so on.
Solutions to Air Source Frosting
▼
1. Automatic defrost function
Choose products with automatic defrost function, such as Juteng stainless steel air source heating heat pump, using intelligent defrost function, automatic monitoring and analysis of the operating status of the heat pump system, comprehensive judgment of the defrost timing, to achieve precise defrost.
2. Artificial frost
For non-normal frost situation, you can use hot water artificial frosting method, and then clean up the dirt, keep the water tray drainage smooth.
3. Other methods
Replacement of parts: For certain types of abnormal frosting, such as frosting probe failure, four-way valve problems, etc., you need to replace the appropriate parts, such as frosting probe, four-way valve.
Adjustment of settings: For the case of incomplete frosting or uneven frosting, it can be solved by adjusting the end temperature of frosting or extending the frosting time.
Cleaning and Maintenance: Keep good ventilation around the heat pump main unit to avoid accumulation of debris, clean the evaporator, and extend the frosting time and increase the frost ending temperature.
Note: Solving the air source frost problem requires appropriate measures according to the specific situation, and it is best to be diagnosed and handled by professional technicians.
