Four seas network: the performance and experience of variable frequency air conditioning and constant frequency air conditioning are different, but how to distinguish constant frequency air conditioning and variable frequency air conditioning when no one tells you? How do we choose when shopping? Come and have a look.
What is the difference between frequency conversion and constant frequency air conditioning
How to distinguish variable frequency air conditioning and constant frequency air conditioning
1. The nameplates on the surfaces of variable frequency air conditioning and constant frequency air conditioning have models and serial numbers. Generally, a group of letters will be added after the column number of variable frequency air conditioning, such as BP, ZBP, FD, FN, etc.
2. It can be seen from the air conditioning parameters that the general constant frequency air conditioning has only one rated power and one rated refrigerating capacity, such as the rated power of 2000W, refrigerating capacity of 4500W and so on. However, the power and cooling capacity of the variable frequency air conditioner are in a certain range. Generally, the minimum power and the maximum power as well as the minimum cooling capacity and the maximum cooling capacity are stated, which will not be a specific value.
3. From the perspective of air conditioning operation, the external unit of constant frequency air conditioning is a kind of operation mode from start to stop. The frequency conversion air-conditioning unit from start-up to soft start-up mode to frequency increase and frequency decrease in a phased manner.
Can constant frequency and frequency conversion be distinguished from air conditioning appearance
No. From the appearance of the air conditioner, we can't see the constant frequency or frequency conversion at all. There is almost no difference between the two in design, so we can't tell the difference between them from the appearance. We can only judge by the nameplate on the fuselage.
Difference between frequency conversion and constant frequency air conditioning
1. Energy saving
From the long-term use of variable-frequency air conditioning, variable-frequency air conditioning will save more than 30% of the power than ordinary air conditioning. However, it should be noted that frequent on-off variable frequency air conditioning can not save electricity, and there is not much difference between frequent on-off variable frequency air conditioning and constant frequency air conditioning. Frequent on-off variable frequency air conditioning is not recommended.
2. Comfort
The comfort of the variable frequency air conditioner is much better than that of the constant frequency air conditioner. It can quickly cool or heat. After reaching the set temperature, the change is relatively small and the temperature experience comfort is relatively high.
3. Compressor
The compressor operating frequency of constant frequency air conditioning is not variable, all of which are 50Hz, while the operating frequency of variable frequency air conditioning compressor can be changed, ranging from 25Hz to 120Hz.
4. Controller
The controller of variable frequency air conditioner is more complex than that of constant frequency air conditioner.
5. Output capacity
In a working condition, the constant frequency air conditioner has only one ability to output, and the output ability of the variable frequency air conditioner can be adjusted at any time according to the change of the working condition.