Скачать или смотреть How to retrofit a fan for energy-efficiency | What The Tech?!

In order for a part to function as a whole, parts that are damaged must be replaced. A retrofit, i.e. a fan replacement in ventilation systems is therefore necessary.

A fan replacement protects against damage to the entire system and increases the service life of the system. This saves a lot of energy.
To ensure that everything goes well with the retrofit, basic things should be observed.
For one thing, you should always know the construction site on site. After all, not only must the broken fan be removed, but the new unit must also be installed. In addition, it is also necessary to find out whether the building has changed as a result of remodeling since a fan was first installed.
Secondly, the current condition should always be documented: Altitude, temperature, humidity and possibilities of electrical integration are important to know in order to select a suitable new fan.
A precise schedule must also be established, because often operation can only be stopped briefly and at certain times for replacement.
Last but not least, it is best to double-check all documentation, even if there is extensive documentation of the fan installation. All important key points should be verified again directly.
If you follow these tips, then nothing will stand in the way of your fan replacement.

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