Hayward CAT 3500 CAT 3500 Owners Manual - Page 12

ORP Feed Mode Automatic Feed Press UP or DOWN to find the desired selection. Press ENTER to save your selection. The controller will automatically return to normal operating mode in 10 seconds. The "Off" (disabled) mode is useful when servicing ORP feed equipment, or if sanitizer chemical supply has been depleted. The "Manual On" mode allows constant chemical feed for a fixed interval of up to 25 minutes, useful when the addition of extra chemicals is desired, as well as initial balancing of the water. Advanced Configuration Options To Enter The Configuration Setup Menu: The configuration setup menu contains features which enable the CAT 3500 to be customized to the unique characteristics of the application. Optional accessories such as the digital flow meter are also activated through this menu. While in normal operating mode: Press MENU. Press DOWN to find the Configuration Setup menu item. Press ENTER to select Configuration Setup. The Configuration Setup Menu will be displayed: Configuration Setup pH Control Mode Press DOWN to scroll through menu items. Press ENTER to make a selection. Press MENU to return to the Operating Menu. The controller will automatically return to normal operating mode in 10 seconds. To Change The pH Control Mode: The CAT 3500 is programmed at the factory to operate in the acid feed mode by default (when pH exceeds setpoint, the pH chemical feeder is activated). If the sanitizer or other factors of the application cause the pH to decrease, base feed mode must be selected. From the Configuration Setup Menu: Press DOWN to find the pH Control Mode menu item. Press ENTER to select pH Control Mode. The current pH Control Mode will be displayed: pH Control Mode Acid Feed Press UP or DOWN to select acid feed or base feed. Press ENTER to save your selection. 11 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS