SPX Cooling Technologies ACC-NC-4 User Manual

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Marley Ultra Low-Noise Fan

The Marley Ultra Low-Noise fan represents the top of the line of the new generation in super

low-noise fans—meeting the most stringent noise limitations. The fans permit variable pitch

adjustment and feature a simpliﬁed hub design.

Common Applications for Low-Noise Cooling Towers

Hospitals

Noise concerns may be paramount near medical

facilities where quiet and rest are necessary.

Universities and Ofﬁce Buildings

Whenever HVAC equipment is near people, unwanted

noise may be a concern. For example, conducting a

meeting or teaching a class in a room with a noisy

cooling tower outside is an unwelcome distraction.

Hotels and Residential Areas

Hotel guests or residential neighbors shouldn't have

to contend with a cooling tower fan cycling on and

off at night, while they’re trying to sleep. At night,

ambient noise levels are lower, which may make a

cooling tower seem louder to anyone nearby.

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