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Safety Information! WARNINGThis water conditioner’s control valve conforms to UL/CE Standards.Generic valves were tested and certified for compliance as verifiedby the agency listing. Please review the entire Installation and Operation Manualbefore installing the water conditioning system. As with all plumbing projects, it is recommended that atrained professional water treatment dealer install the waterconditioning system. Please follow all local plumbing codes forinstalling this water conditioning system. This system will not make microbiologically unsafe water safe.Water that is unsafe must be treated separately from thisconditioner. This water conditioning system is to be used only for potablewater. Inspect the water conditioning system for carrier shortage orshipping damage before beginning installation. Use only lead-free solder and flux, as required by federal andstate codes, when installing soldered copper plumbing. Use caution when installing soldered metal piping near thewater conditioning system. Heat can adversely affect theplastic control valve and bypass valve. All plastic connections should be hand tightened. Teflon tapemay be used on connections that do not use an O-ring seal.Do not use pipe dope type sealants on the valve body. Do notuse pliers or pipe wrenches. Use only the power transformer supplied with this waterconditioning system. All electrical connections must be completed according tolocal codes. The power outlet must be grounded. Install an appropriate grounding strap across the inlet andoutlet piping of the water conditioning system to ensure that aproper ground is maintained. To disconnect power, unplug the AC adapter from its powersource. Observe drain line requirements. Operating ambient temperature: 40 to 110 F (5 to43 C). Operating water temperature: 40 to 110 F (5 to 43 C). Operating water pressure range : 25 to 120 psi (1.7 to8.27bar). Keep the media tank in the upright position. Do not turnupside down or drop. Turning the tank upside down or layingthe tank on its side can cause media to enter the valve. Use only regenerants designed for water conditioning. Do notuse ice melting salt, block salt or rock salt.During cold weather it is recommended that the installer warmthe valve to room temperature before operating.Teflon is a trademark of E.I. duPont de Nemours. Do not use petroleum-based lubricants such as Vaseline, oilsor hydrocarbon-based lubricants. Use only 100% siliconelubricants. Do not support the weight of the system on the control valvefittings, plumbing, or the bypass. Do not allow this water conditioning system to freeze. Damagefrom freezing will void this water conditioning system’swarranty.W100T Twin Alternating Series SoftenersGeneral Warnings The control valve, fittings and/or bypass are designed toaccommodate minor plumbing misalignments but are notdesigned to support the weight of a system or the plumbing. HYDROCARBONS SUCH AS KEROSENE, BENZENE,GASOLINE, ETC., MAY DAMAGE PRODUCTS THATCONTAIN O-RINGS OR PLASTIC COMPONENTS.EXPOSURE TO SUCH HYDROCARBONS MAYCAUSE THE PRODUCTS TO LEAK. DO NOT USE THEPRODUCT(S) CONTAINED IN THIS DOCUMENT ONWATER SUPPLIES THAT CONTAIN HYDROCARBONSSUCH AS KEROSENE, BENZENE, GASOLINE, ETC. THIS WATER METER SHOULD NOT BE USED AS THEPRIMARY MONITORING DEVICE FOR CRITICAL ORHEALTH EFFECT APPLICATIONS. Do not use Vaseline, oils, other hydrocarbon lubricants or spraysilicone anywhere. A silicone lubricant may be used on blacko-rings but is not necessary. The nuts and caps are designed to be unscrewed or tightenedby hand or with the special plastic wrench. If necessary apliers can be used to unscrew the nut or cap. Do not use apipe wrench to tighten or loosen nuts or caps. Do not place ascrewdriver in the slots on caps and/or tap with a hammer. Do not use pipe dope or other sealants on threads. Use Teflontape on the threaded inlet, outlet and drain fittings. Teflon tapeis not necessary on the nut connection or caps because ofo-ring seals. After completing any valve maintenance involving the driveassembly or the drive cap assembly and pistons unplug powersource jack from the printed circuit board (black wire) and plugback in or press and hold NEXT and REGEN buttons for 3seconds. This resets the electronics and establishes the servicepiston position. The display should flash all wording, then flashthe software version and then reset the valve to the serviceposition. All plumbing should be done in accordance with local plumbingcodes. The pipe size for the drain line should be a minimumof ½”. Backwash flow rates in excess of 7 gpm (26.5 lpm) orlength in excess of 20’ (6.1m) require ¾” drain line. Solder joints near the drain must be done prior to connectingthe drain line flow control fitting. Leave at least 6” between thedrain line control fitting and solder joints when soldering pipesthat are connected on the drain line control fitting. Failure to dothis could cause interior damage to the drain line flow controlfitting. When assembling the installation fitting package (inlet andoutlet), connect the fitting to the plumbing system first andthen attach the nut, split ring and o-ring. Heat from solderingor solvent cements may damage the nut, split ring or o-ring.Solder joints should be cool and solvent cements should beset before installing the nut, split ring and o-ring. Avoid gettingprimer and solvent cement on any part of the o-rings, splitrings, bypass valve or control valve. All electrical connections must be connected according to localcodes. (Be certain the outlet is uninterrupted.) Install grounding strap on metal pipes.3

! WARNINGPre-Installation ConsiderationsGeneral Warnings (continued)A. Water Pressure This glass filled Noryl1 (or equivalent) fully automatic controlvalve is designed as the primary control center to direct andregulate all cycles of a water softener or filter. The control valve is compatible with a variety of regenerantsand resin cleaners. The control valve is capable of routing theflow of water in the necessary paths to regenerate or backwashwater treatment systems. The injector regulates the flow ofbrine or other regenerants. The control valve regulates the flowrates for backwashing, rinsing, and the replenishing of treatedwater into a regenerant tank, when applicable. Control valve installation is made easy because the distributortube 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 andthe control valve also has a bayonet lock feature for upperdistributor baskets. The power adapter comes with a 15 foot power cord and isdesigned for use with the control valve. The power adapteris for dry location use only. The control valve remembers allsettings until the battery power is depleted if the power goesout. After the battery power is depleted, the only item that needs tobe reset is the time of day; other values are permanently storedin the nonvolatile memory. The control valve battery is notrechargeable but is replaceable. No user serviceable parts are on the PC board, the motor orthe power adapter. The means of disconnection from the mainpower supply is by unplugging the power adapter from thewall.A minimum of 25 pounds of water pressure is required forregeneration valve to operate effectively.B. Electrical FacilitiesA continuous 115 volt, 60 Hertz current supply is required. Makecertain the current supply is always hot and cannot be turned off withanother switch.C. Existing PlumbingCondition of existing plumbing should be free from lime and ironbuildup. Piping that is built up heavily with lime and/or iron shouldbe replaced. If piping is clogged with iron, a separate iron filter unitshould be installed ahead of the water softener.D. Location Of Softener And DrainThe softener should be located close to a drain.E. Bypass ValvesAlways provide for the installation of a bypass valve.F. Valve to Tank Installation Instructions1. Spin the valve onto the tank, ensuring the threads are not crossthreaded.NOTICEThe main control valve and tank adaptor have right-hand threads, orclockwise, to install2. Rotate the valve freely without using force until it comes to a stop(this position is considered zero).3. Rotate the valve clockwise from zero, between ¼ turn and ½turn to fully tighten. No tools are needed. Hand tight is enough.Overtightening may cause valve or tank damage.NOTICEIf lubricant is required, a silicone compound is stronglyrecommended. Dow Corning Silicone Compound (available fromWatts), is recommended for best possible results. Dow Corning 7Release Compound is used in the manufacture of this control valve.The use of other types of lubricants may attack the control’s plasticor rubber components. Petroleum-based lubricants can causeswelling in rubber parts, including O-rings and seals.1Noryl is a trademark of Sabic.4W100T Twin Alternating Series Softeners

Pre-Installation Considerations(continued) ! WARNING Do not exceed water pressure of 120 psi (8.2 bar). Do notexceed 110 F (43.3 C). Do not subject unit to freezingconditions.G. Pre Installation and Loading of MediaGeneral Installation InstructionsSystems that are 13” in diameter and larger are not loaded withmedia. These systems must be loaded with media before placinginto service. To load a system follow the below steps.1. Cap the top open end of the distributor tube with tape andplastic sheeting to keep foreign debris from entering thedistributor tube. This cap must be secure and not come offduring media loading.2. Place the distributor tube, screen end down, into the mineraltank and center it in the bottom. The top of the distributortube should be flush with the top of the tank. If 4” x 2.5” tankbushings are used, the distributor tube should be flush with thetop of the tank bushing.3. Make sure the plastic and tape cap is secure to the top of thedistributor tube, place a funnel on the top of the tank and loadfirst the gravel (if different sizes of gravel are used load thelargest gravel first, then the smaller gravel) then the resin mediainto the tank. The cap must not come off of the distributor tubeduring the loading of the media.4. Remove the plastic cap from the distributor tube. DO NOTPULL UP ON THE DISTRIBUTOR TUBE when removing thecap. The distributor tube top must remain flush with the top ofthe tank.5. Clean any media from the threads and top of the mineral tank.6. Lubricate the O-rings on the bottom of the control valve(distributor pilot O-ring and top of tank O-ring). Use nonpetroleum based silicone lubricant only.7. Place the control valve on top of the tank. When doing thisstep, seat the top of the distributor tube inside the centeredO-ring sealed port on the bottom of the valve first then pressthe valve down until the tank threads come in contact with thevalve threads. This ensures that the distributor tube is properlyseated into the bottom of the control valve. Thread the valveon to the tank clockwise. Be careful not to cross thread thevalve or over tighten it. A hand tight snug fit is appropriate forthe control valve torque. A wrench is not necessary. Do not usethread sealant or PTFE tape on the valve base threads.8. The system is now ready for installation. Follow the InstallationSection in the Installation, Operation and Maintenance Manual.W100T Twin Alternating Series Softeners 1. Turn off water heater(s).2. Turn off the main water supply to the home and open an insidefaucet (cold and hot) to relieve any pressure within the plumbingsystem.3. Place the system in the desired installation location. Makesure that the location is level and sturdy enough to support theweight of the system once it is in operation.4. Place the bypass valve in the bypass position.5. Connect the cold water supply to the inlet of the waterconditioning system. While constructing the supply line, install amaster supply valve (user supplied) in the supply line and closeit.6. Connect the feed water line to the home to the outlet of thesystem.7. Plumb the drain line to an appropriate drain abiding by all local,city, and state codes. Use a 3/4” drain line for backwash flowrates of 7 gpm or for drain lines of 7 gpm and less that exceed20’ in length. Use a 1” drain line for backwash flow rates of 10gpm and 12 gpm.8. Connect the brine tank to the water softener control valve brineinlet port using the factory supplied fittings and tubing. Addenough water to the brine tank so that water covers the top ofthe air check. DO NOT ADD SALT AT THIS TIME.9. Open the user supplied feed water valve. Check for leaks andrepair as needed.10. Allow the inside hot and cold faucet to remain open until all airhas been purged from the plumbing system. Then close thefaucet.11. Locate Manual Regeneration Options in this manual to seethe steps to initiate an Immediate Manual Regeneration. Onceyou have read that section place the system in backwash andunplug the system from its electrical outlet once it has cycledinto the backwash position. This will stall the unit in backwashso all air can be purged from one of the tanks.12. Adjust the user supplied feed water valve to 1/4 open and placethe bypass valve into the service position.13. Air will come out of the drain line until the backwashing tank iscompletely purged of air. Then water will flow to drain. Allowwater to flow to drain for 15 minutes or until the water to drainis clear of resin color throw.14. Plug the system back into the electrical outlet and manuallycycle it through the remaining regeneration steps until it arrivesin the service position.15. Repeat installation steps 11, 12, 13, and 14 of the GeneralInstallation Instructions to purge the air from the second tank.16. Check for leaks and repair as needed.17. Installation is now complete and the system is ready forprogramming and one cycle of brine tank refill so that thecorrect amount of water is in the brine tank for the firstregeneration cycle. The brine tank refill must be done afterprogramming the system.5

W100T System ProgrammingW100T Quick Programming Guide A quick programming guide has been listed below for convenience specifically for the W100T series water softening systems. For otherprogramming requirements not listed in the Quick Programming Guide, please see the detailed programming section of this manual.CHART 1: User Display ScreensFrom Home screen press Next until Time of Dayappears. Press and Hold Down for 5 secondsSet HoursPress NextSet MinutesPress NextTo ExitCHART 2: OEM Set Up ScreensPress and Hold Next and Down for 5 secondsSet to SOFTENINGPress NextSet to dnPress NextSet to PoStPress NextSet backwash lengthPress NextSet brine draw lengthPress NextSet 2nd backwash lengthPress NextSet rapid rinse lengthPress NextSet lbs of saltPress NextSet tank capacity (1000 grains)Press NextSet regen gallon capacity to "AUTo"Press NextSet type to "on 0"Press NextSet relay to "rELAY off"Press NextTo ExitCHART 3: Installer Display SettingsPress and Hold Next and Up for 5 secondsSet hardness grains per gallonPress NextSet preferred regeneration day overridePress NextOn 0 will appearPress NextTo ExitNOTICEThe electronics in the W100T control valve are used across a widevariety of control valves and applications, including backwashingfilters. All programming for the electronics has been included in thismanual for reference however the valve must be programmed forTwin Alternating Softening Applications when called for during valveprogramming.6W100T Twin Alternating Series Softeners

Regeneration and Error ScreensRegen ScreenDisplays the time remaining in the current cycle. Pressing REGEN advances to the next cycle.Error ScreenAlternated flashing Err and error code every 3 seconds. Clear by disconnectingthe power supply at the PC board and reconnecting, or press NEXT and REGENsimultaneously for 3 seconds.In Alternator Systems when a unit is waiting to initiate the first cycle step of regeneration, “REGENPndg” is displayed.“STbY” is displayed in Alternator Systems when a valve is in Standby state.“REGEN Pndg RINSE FILL” is displayed whenever a zero-capacity tank has transferred to an off-linestate and is currently waiting to initiate the second portion of a regeneration cycle. Viewed only whenDelayed Rinse and Fill is set to ON.Button Operation and FunctionScrolls to the next display.Pressing once and releasing will schedule a regeneration at the preset delayed regeneration time.Pressing again and releasing will cancel the regeneration.Pressing and holding for 3 seconds will initiate an immediate regenerationPressing while in regeneration will advance to the next cycle.Pressing in the program levels will go backwards to the previous screenChanges variable being displayed.Key sequence to lock and unlock program settings.Holding for 3 seconds initiates a control reset. The software version is displayed and the piston returnsto the home/service position, resynchronizing the valve.Used with valve type 1.0 , holding for at least 3 seconds causes a switch in the tank in Service without cycling theregeneration valve. After tank switch, days remaining and capacity remaining status is retained for each tank until thenext regeneration.Regeneration Cycles and TimesRangeCycleBackwashRegenerant Draw/Slow Rinse (UP or DN)Fast RinseRegenerant RefillRegenerant Refill 2.0 or 1.5 set to MIN (softening only)ServiceSofteningFiltering RegenFilteringBackwash1-120 minutes1-180 minutes1-120 minutes0.1-200.0 lbs.0.1-99.0 minutes1-480 minutes1-120 minutes1-180 minutes1-120 minutes1-99.0 GAL0.1-99.0 minutesNA1-120 min.NA1-120 min.NANANAIf 1.5 or 2.0 is selected in Step 2CS, cycles can be set to “oFF”.The user can initiate manual regeneration. The user has the option to request the manual regeneration at the delayed regeneration time or tohave the regeneration occur immediately:1. Pressing and releasing the REGEN button. “ REGEN TODAY” will flash on the display and the regeneration will occur at the delayedregeneration time. The user can cancel the request by pressing and releasing the REGEN button.2. Pressing and holding the REGEN button for approximately 3 seconds will immediately start the regeneration. The user cannot cancel thisrequest, except by resetting the control by pressing NEXT and REGEN simultaneously for 3 seconds.W100T Twin Alternating Series Softeners7

User DisplaysGeneral OperationWhen the system is operating, one of five displays may be shown. Pressing NEXT will alternatebetween the displays shown below.User 1Typical user display. Shows volume remaining to regeneration. This screen will not be viewed if thecontrol is set for time-clock operation.User 2Displays number of days to next regeneration.User 3Flow Rate.Displays present flow rate.Not viewed (along with SOFTENING or FILTERING Icon) if ALT A or ALT b is set in CONFIGURATION 4and the valve is currently in Standby. When 1.0 is set in CONFIGURATION 1, the display will indicatethe tank currently in Service (“A” or “b”) in the leftmost digit.User 4Displays total volume in gallons since last reset. If a meter is not used this display will be shown but 0will be displayed.PRESS FOR 3 SECONDS TO RESET TO 0.User 5Shows current time.Setting Time of DayPush NEXT until time of day screen is displayed. Press and hold until SET TIME is displayed and thehour flashes once. Press or until the correct hour is displayed.Then press NEXT. The minutes will flash. Press or until the correct minute is displayed.Press NEXT to return to the User Displays. Time of day should only need to be set after power outageslasting more than 8 hours, if the battery has been depleted and a power outage occurs, or whendaylight saving time begins or ends. If a power outage lasting more than 8 hours occurs, the time ofday will flash on and off which indicates the time of day should be reset. If a power outage lasts lessthan 8 hours and the time of day flashes on and off, the time of day should be reset and the batteryreplaced.8W100T Twin Alternating Series Softeners

Configuration SettingsStep 1CSStep 1CS – Press NEXT and simultaneously for 5 seconds and release. Press NEXT and simultaneously for 5 seconds and release. If the screen in Step 2CS does not appear, the lock on the valve isactivated. To unlock, press , NEXT, and REGEN in sequence, then press NEXT and simultaneously for 5 seconds and release. Press NEXT and simultaneously for 5 seconds and release.Step 2CSStep 2CS – Use or to select 1.0 for 1” valve, 1.25 for 1.25” valve, 1.5 for 1.5” valve, 2.0 for 2”valve or 1.0 for twin valve. If 1.0, 1.25 or 1.0 are selected, press NEXT to go to Step 4CS. If 1.5 or 2.0are selected, press NEXT to go to Step 3CS. Press REGEN to exit Configuration Settings.Step 3CSStep 3CS – Use or to select meter size. Settings availableare 1.5, 2.0, 3.0, 1.0r (1.0 Remote Meter) or PUL (Variable MeterCalibration.) Variable meter pulses of 0.1-150.0 PPG can be selected.Press NEXT to go to Step 4CS. Press REGEN to return to previousstep.Step 4CSStep 4CS – Selecting the use of an outside signal to initiate a regeneration: Selection only matters if aconnection is made to the two pin connector labeled DP SWITCH located on the printed circuit board.Following is an explanation of the options:oFF - feature not usedNOTE: In a twin alternating system each control must have a separate dP signal or dP switch. One dPsignal or one dP switch cannot be used for both controls.on0 – If the dP switch is closed for an accumulative time of 2 minutes a regeneration will be signaled tothe unit. In a twin alternating system the MAV will transition first to switch units so that the signaled unitcan start regeneration. After the MAV has fully transitioned, the regeneration begins immediately. Note:For WS1 – WS1.5 control valves programmed for twin alternating: if the dP function “on0” is set, theDelayed Rinse and Fill feature is not available.dEL – If the dP switch is closed for an accumulative time of 2 minutes a regeneration will occur at thescheduled delayed regeneration time. In a twin alternating system once the dP switch is triggered the PCBoard will display “REGEN TODAY” and when the delayed regen time comes the control will switch tanksand the triggered unit will then go into regeneration. Note: For WS1 – WS1.5 control valves programmedfor twin alternating: if the dP function “dEL” is set, the Delayed Rinse and Fill feature is not available.HoLd – If the dP switch is closed a regeneration will be prevented from occurring while there is switchclosure. In a twin alternating system the regeneration of a unit can be prevented upon switch closure.If the unit depletes the capacity down to zero, it will not be allowed to switch tanks to regenerate untilthe switch is open. Note: For WS1 – WS1.5 control valves programmed for twin alternating the DelayedRinse and Fill feature can be set.Press NEXT to go to Step 5CS. Press REGEN to return to previous step.W100T Twin Alternating Series Softeners9

Step 5CSStep 5CS – This display will not appear if 1.0 was selected in Step2CS. Allows selection of one of the following using or : the Control Valve to have no hard water bypass; the Control Valve to act as an alternator; the Control Valve to have a separate source during the regenerationcycle; or the Control Valve to operate with the System Controller.Select OFF when none of these features are used.Only use Watts No Hard Water Bypass Valves or Watts Motorized Alternating Valves (MAV) with

regulate all cycles of a water softener or filter. 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.