
Frequently asked questions
Which Cloudline S Series fan size should I choose?
Airflow ranges from 205 CFM for the S4 through 402 (S6), 807 (S8) and 1201 (S10) up to 1604 CFM for the S12. Match the model to your ducting size, which is given in the model number in inches.
How is the Cloudline S Series controlled?
It comes with a wired 10-speed fan controller and is also compatible with all UIS controllers for intelligent programming.
Is the Cloudline S Series quiet?
Its PWM-controlled EC motor runs quietly and efficiently with minimal heat. Noise ranges from 28 dBA on the S4 to 62 dBA on the S12.
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