Hayward HCC 4000 HCC4000 Series Manual - Page 17

ary measure. By disabling the "Overfeed Timeout" the overfeeding of chemicals could occur and create unsafe water chemistry conditions. Overfeeding chemicals is dangerous and could potentially harm patrons. ORP Feed: The HCC 4000 by default uses a time-based proportional feed algorithm which enables the precise control of virtually any body of water. With some types of chemical feeders, however, it is beneficial to disable proportional feed and dispense chemicals on a fixed basis. From the Configuration Setup Menu: Press DOWN to find the ORP Feed menu item. Press ENTER to select ORP Feed. The current ORP Feed setting will be displayed: ORP Feed Proportional Press UP or DOWN to select Proportional, Fixed, or Mixing Time. Press ENTER to save your selection. Press MENU to return to the Operating Menu. ORP Mixing Time On: This feature prevents the controller from receiving inaccurate readings due to chemicals passing directly through the flow cell and over the sensors before being injected into the return line. Typically this would occur when the sanitizer is fed on the "suction side" of the primary circulation/filter pump. To program the amount of time you would like the controller to feed during its cycle please follow the steps below. From the Configuration Set Up Menu: Press DOWN to find the ORP Mixing Time On item. Press ENTER to select ORP Mixing Time On. The current ORP Mixing Time On setting will be displayed: Mixing Time On Time 30 seconds Press UP or Down to scroll to desired setting. Press ENTER to save your selection. Press MENU to return to the Operating Menu. ORP Mixing Time Off: This feature prevents the controller from receiving inaccurate readings due to chemicals passing directly through the flow cell and over the sensors before being injected into the return line. Typically this would occur when the sanitizer is fed on the "suction side" of the primary circulation/ filter pump. To program the amount of time you would like the controller to stop feed and ignore readings after its feed cycle please follow the steps below. From the Configuration Set Up Menu: Press DOWN to find the ORP Mixing Time Off Menu item. 16 USE ONLY HAYWARD GENUINE REPLACEMENT PARTS