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Anonymous users2024-01-24This needs to depend on your site situation, if the ceiling space is very large, and the temperature inside will be very high in summer, it is best to do the return air box, if the ceiling space is very small, and the sealed independent space, there is no need to do it.
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Anonymous users2024-01-23It is not necessary to use the ceiling space to return the wind.
In my opinion, in the case of smallpox, a section of return air should be installed, and if there is no flowering, it can be directly connected to the return wind page. >>>More
Absolutely;
Because even if it is a fan coil unit, there are electrical devices such as fan motors, electric valves, and auxiliary electric heaters on it, and the grounding wire must be prepared. >>>More
According to the regular procedure, it is necessary to install, but the general fan plate is not installed and does not have much impact.
The main components of all three things are heat exchangers and fans. The heat exchange medium is liquid, which exchanges cold and heat with the indoor air. >>>More
Most of the motor capacitors are in the electric control box or next to the motor.