If you don't have it, click here to get it. The DC4500 is a bleed and feed cooling tower controller with dual biocide timers.
Programming is simple and is accomplished with only three keys.
The backlit liquid crystal display and LEDs provide a visual indication of operating conditions and equipment status. The DC4000 may be programmed as a bleed and feed cooling tower controller or boiler controller. The boiler mode includes a time-trap sampling method that prevents the flashing problems that are so common in boilers. Programming is simple and is accomplished with only three keys. The backlit liquid crystal display and LEDs provide a visual indication of operating conditions and equipment status.