Control Valve; Control Valve Function And Cycles Of Operation - Excalibur EWS SD130 Installation And User Manual

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SOFTENER INSTALLATION AND USER GUIDE

3) CONTROL VALVE

3.1)

Control Valve Function and Cycles of Operation

The control valve is compatible with a variety of regenerants and resin cleaners. The control valve is
capable of routing the flow of water in the necessary paths to regenerate or backwash water
treatment systems. The injector regulates the flow of brine or other regenerants. The control valve
regulates the flow rates for backwashing, rinsing, and the replenishing of treated water into a
regenerant tank, when applicable.
The control valve uses no traditional fasteners (e.g. screws); instead clips, threaded caps and nuts
and snap type latches are used. Caps and nuts only need to be firmly hand tightened because
radial seals are used. Tools required to service the valve include one small blade screw driver, one
large blade screw driver, pliers and a pair of hands. A plastic wrench is available which eliminates
the need for screwdrivers and pliers. Disassembly for servicing takes much less time than
comparable products currently on the market. Control valve installation is made easy because
the distributor tube can be cut ½" above to ½" below the top of tank thread. The distributor tube
is held in place by an O-ring seal and the control valve also has a bayonet lock feature for upper
distributor baskets.
The AC adapter power pack comes with a 15 foot power cord and is designed for use with the
control valve. The AC adapter power pack is for dry location use only. The control valve remembers
all settings for up to 8 hours if the power goes out and the battery is not depleted. After 8 hours,
the only item that needs to be reset is the time of day; other values are permanently stored in the
nonvolatile memory. If a power loss lasts less than 8 hours and the time flashes on and off, the time
of day should be reset and the non-rechargeable battery should be replaced.
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