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Performance characteristics of fresh air ventilator
2025-07-19Improving air quality: Continuously introducing fresh outdoor air into the room while eliminating indoor polluted air, effectively increasing indoor oxygen content, reducing carbon dioxide concentration, reducing harmful gases, odors, etc., and improving indoor air quality.More + -
Key knowledge points for correctly using axial flow fans
2025-07-19The key points for correctly using axial flow fans are the conditions for variable speed regulation, especially the energy-saving solution of using variable frequency motors for speed regulation. Because there is a balance between the flow rate and the regulating device, how to find the balance point between the two through the corresponding variable frequency motor regulation is one of the indicators that tests the research and development technology of roof fan manufacturers.More + -
What issues should we pay attention to when selecting cassette fan coil units
2025-07-19What is a card type fan coil unit? We usually call it a fan coil. Simply put, it is the air outlet of the central air conditioning system. It is hidden in the ceiling of the living room or room, transmitting a continuous stream of hot and cold air to every corner of the building. In terms of selection, what is a card type fan coil unit.More + -
Tell everyone how to maintain the vertical exposed fan coil unit
2025-07-19The unit should be maintained by dedicated personnel, who should carry out daily monitoring and regular maintenance of the unit. Strict job responsibility system and operating procedures should be established, and regular maintenance and repair should be strengthened. The unit should generally clean the accumulated dust on the filter screen after about three months of use to ensure smooth return air.More + -
What winter antifreeze issues should be considered when designing central air conditioning?
2025-07-19When designing central air conditioning, consideration should be given to winter antifreeze issues. It is recommended to use hot water for antifreeze measures, and steam and electric heating are not supported. Steam antifreeze can also be used, but it is prone to uneven temperature. The upper part of the horizontal concealed fan coil has a relatively high temperature, and the bottom has already started to freeze. Electric heating is also not supported for use. Firstly, electric heating is prone to danger, and secondly, it consumes more electricity and is not energy-efficient. In terms of control, attention should also be paid to not installing a single horizontal concealed fan coil switch, and it should be fully controlled.More + -
What is the temperature of the horizontally concealed fan coil unit?
2025-07-19Precautions before installing a horizontal concealed fan coil unit: When the indoor heat load changes and the indoor temperature needs to remain constant, the room's air supply volume can be kept constant by changing the air supply temperature to adapt, or the air supply temperature can be fixed to adapt by changing the air supply volume to maintain the same annual air supply volume. The all air system that adapts to changes in air conditioning load by changing the air supply temperature becomes a constant air volume system.More + -
Please tell me how to choose fan coil units in different environments
2025-07-19Fan coil units inevitably produce slight noise during operation, and some environments require fan coil units with minimal noise. Therefore, when selecting, we need to communicate with the manufacturer in advance, inquire about the decibel level of noise, and purchase fan coil units that meet the requirements. When installing in bedrooms with high requirements for quietness, soundproofing can be done in the air duct between the outlet of the fan coil unit and the room air supply outlet.More +
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