The main reason why the ventilation system needs to be cleaned is the dust generated inside the system and even affects the ventilation effect. The main reasons are as follows:
Use a poor air filter:
1 The pipe is dusty and the ventilation is not smooth.
2 Suitable temperature and humidity ash is an ideal place for microbial reproduction.
3 Sensing and control components such as temperature and humidity are not working.
4 The fan is dusty, the operation efficiency is reduced, and the energy consumption is increased.
5 damper, variable air volume end and other devices fail.
6 Heat exchangers accumulate ash, heat transfer efficiency is reduced, and energy consumption is increased.
For atmospheric dust, the weighting efficiency of the F7 filter can reach over 98%!
Practice has proved that with the efficiency of the F7 or higher filter, the ventilation system does not need to be cleaned at all!
In general, an air per m3/h requires an air duct area of ​​approximately 0.05 m2.
Normally, a medium efficiency air filter with an efficiency of F5 or less should be used to clean the ventilation system at least every 5 years.
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