AMCOT ST SERIES FIBERGLASS COOLING TOWER
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GENERAL OVERVIEW
TOWER CONSTRUCTION
Motor Support Frame and Fan Guards
The Amcot ST Series cooling towers are provided with Hot Dipped Galvanized Steel (HDGS) or Stainless
Steel 304 (Optional) OSHA compliant removable fan guards and heavy duty welded motor support
frames which are designed to properly support and distribute the weight and forces being generated by
the mechanical assembly.
NEVER OPERATE YOUR COOLING TOWER WITHOUT FAN GUARDS INSTALLED!
Air inlet Louvers
The air inlet louvers of the ST Series cooling tower is a PVC mesh screen which is designed to prevent
debris and wildlife from entering the cooling tower. The air inlet louvers are designed so that they can
be removed for cleaning or replacing. Removing the louver sections also permits access to the inside of
the cold water basin.
Heat Transfer Media (Fill Media)
The ST Series cooling tower utilizes a heat transfer media known as “Fill Media”. Fill media is an
embossed PVC sheet material which is glued together to form a series of channels known as flutes.
These flutes help spread out the water as it flows across the material. By spreading out the water, the
fill media increases the water surface area that becomes exposed to the air flow. This in turn increases
the amount of heat that can be removed from the system.
Your fill media is capable of withstanding continuous operating hot water temperatures of 115°F and is
impervious to rot, decay, rust, and biological attack. The fill media is installed in preassembled packs or
blocks.
It is important that proper water treatment be maintained by utilizing a local water treatment specialist
in your area. Failure to maintain proper water treatment can cause the fill media to become clogged or
fouled up over time, which will decrease your unit’s overall capacity and ultimately result in an increase
to your cold water temperature. If using a chemical water treatment system you should incorporate a
biocide as a component of that treatment program to eliminate biological growth.
Water Distribution System
Your cooling tower is designed with a rotating spray system that is driven by incoming water pressure.
Water enters the tower from the inlet pipe connection (located on the cold water basin side wall) and is
pumped through a center stand pipe to the sprinkler head which directs water to a series of spray arms.
The spray arms have a series of holes that allow the incoming hot water to be distributed onto the fill
media. This assembly rotates in a clockwise fashion ensuring that water is evenly distributed to all areas
of the fill media.
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