The Chemtrol 240 pH Controller is a microprocessor-based digital controller designed to maintain the pH level in water treatment applications. It is particularly adapted to the neutralization of acidic or alkaline solutions for environmental applications. The Chemtrol 240 is ideal for small commercial pools (motels or apartments), condos, and high-end residential pools. This unit includes the controller, respective probe (pH probe), paddle wheel flow switch, and miscellaneous plumbing supplies.The Chemtrol 240 is a simple and easy-to-use controller. All functions are conveniently located on the front panel. A bright LCD display shows pH readings, calibration adjustments, and alarm limits. The five LED lights indicate the operating modes (OFF, Manual or Auto), feed status, out-of-range alarms, and overfeed alarms. The front panel controls include set-point, calibration, low and high alarm limits, safety timer limit, and proportional feed adjustment. Feed control is either ON/OFF or Proportional. The Proportional Feed feature is particularly useful to avoid overfeeding in small bodies of water. It reduces the feed cycle time progressively as the sensor reading approaches the set-point.All CHEMTROL controllers are user-friendly, reliable, and easy to install and operate. Every unit is supplied with a comprehensive operation manual and a FIVE-YEAR electronics warranty.
