Product Characteristics Simple structure and reliable sealing The distribution valve adopts hermetic head faces with high degree pottery and corrosion resistance for opening and closing. It combines with Service, Backwash, Brine & Slow Rinse, Fast Rinse and Brine Refill. No water pass the valve in regeneration in single tank type. Manual function Realize regeneration immediately by pushing manual button “Manual/Return” at any time. Long outage indicator If outage overrides 3 days, the time of day indicator “12:12” will flash to remind people to reset new time of day. The other set parameters do not need to reset. The process will continue to work after power on. The valve will automatically rotate for more than ten seconds after it is electrified After the valve is electrified, it will automatically rotate for more than ten seconds to turn back to the position when the electricity is cut off. Buttons lock No operations to buttons on the controller within 1 minute, button lock indicator lights on which represents buttons are locked. Before operation, press and hold the “Up” and “Down” buttons for 5 seconds to unlock. This function can avoid incorrect operation. Interval backwash times (Suitable for F68Q/F69Q) It could set up interval backwash times for F68Q/F69Q up-flow regeneration valve, which means several times of services but one time of backwash. The setting of interval backwash times depends on the local water turbidity. (The lower the turbidity is, the longer of the interval backwash times can be set) It can choose time clock type or meter type by program selection When all symbols light on, press and hold “Manual/Return” and “Menu/Confirm” buttons for 5 seconds to enter the menu of valve model selection. Please set the program type in accordance with the product type. (Tim clock type by days or meter type) (Notice: The meter type product has one flow meter and flow meter cable, but the time clock type does not ).