pH CONTROL MADE EASY The CHEMTROL® 240 pH Controller is a simple, easy to use controller designed to monitor and maintain the pH level in water. It is particularly adapted to the neutralization of acidic or alkaline solutions for environmental applications. A microprocessor-based digital controller, suitable in high-end residential pools, small commercial pools and spas and light industrial applications. STANDARD FEATURES Easy to install, Simple to use All Functions on Front Panel pH control Overfeed Safety Timer Adjustable Set-point Adjustable Alarms Out-of-range alarms Proportional Feed Waterproof Cabinet 5-year Electronics Warranty The five LED lights indicate the operating mode (OFF, Manual or Auto), feed status, out-of-range alarms and overfeed alarms. The front panel controls include setpoint, 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 gets closer to the set-point. CH240 SPECIFICATIONS pH CONTROL Adjustable from 0.0 to 14.0 pH SENSOR Glass electrode with 3 m cable READOUTS pH (2 digits) LEDs FEED MODE Manual, automatic, proportional ADJUSTMENTS Set-point, calibration, limits, feed rate INDICATORS LEDs for feed mode, feed status, alarms SAFETY Audio, visual and remote alarms Out-of-range limits and overfeed safety timers CABINET Polystyrene 22 x 18 x 10 cm ELECTRICAL 230V or 24 VAC (specify) PLUMBING PVC tees for 1-1/2″ or 2″ line WARRANTY 5 years on electronic module 1 year on all other parts