Can the inlet damper of the variable-frequency fan be omitted?

2017-10-26View Original

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Can the inlet damper of the variable-frequency fan be omitted? Today we installed the fan ducts; due to limited space, it was not possible to fit in a damper, so the manager said since it is a variable-frequency fan, a damper isn’t necessary

Reply #22017-10-26

It is possible to start operation without an imported air damper when variable frequency is available; however, it is better to install one, so as to avoid having to switch to fixed frequency in case of a variable frequency failure

Reply #32017-10-27

We have variable frequency, and the air dampers remain in place for use in special situations.

Reply #42017-10-29

It’s not necessary; the flow rate can be adjusted manually using frequency conversion

Reply #52017-10-29

The power frequency is always 50HZ; how can it be changed?

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Can the inlet damper of the variable-frequency fan be omitted?

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