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Overland Park, Kan. SPX Cooling Technologies, Inc., a full-line, full-service industry leader in the design and manufacture of evaporative cooling towers and air-cooled heat exchangers, has issued a series of videos about the Marley® LLC Water Level Control Panel. Each of the nine videos in this series focuses on one aspect of the LLC Water Level Control Panel, including a discussion of various components and instructions on how to properly install, use and maintain the technology.

Mark Groothuis, Global Product Manager for SPX, hosts the video series. Video #1 is a general introduction to the Marley LLC Water Level Control Panel. It reviews the four major components of the LLC: the stilling chamber, hanging probe system, solenoid valve and control panel.

Groothuis addresses how to properly install the LLC in Video #2, explaining the relationship between the four major components of the Water Level Control system, and how they work together.

In Video #3, Groothuis discusses a key component of the Marley LLC Water Level Control Panel – the control panel itself – explaining its function and attributes in detail.

Video #4 covers start-up of the LLC Panel. In this video, Groothuis references the instruction manual and wiring diagrams as important aids to the installation process.

In Video #5, Groothuis explains how to test the complete system to ensure it is set up properly.

The final four videos, #6-9, focus on troubleshooting techniques. In Video #6, Groothuis troubleshoots issues with the control panel, and in #7, the makeup card component. Troubleshooting the solenoid valve is covered in video #8; troubleshooting connection points is covered in video #9.

Together, these nine videos provide an overview of the key components of the Marley LLC Water Level Control Panel and guide set-up and maintenance of the panel, helping contractors, service technicians and maintenance engineers gain working knowledge of the function and operation of the LLC Water Level Control system.

To watch additional videos, visit:


Marley Cooling Tower Parts