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PWSR Series Softeners 
Installation, Operation  
and Maintenance Manual

System Specifications  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 2
Control Valve Functions    .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 3
General Installation Instructions    .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 4
Safety Information & General Warnings  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 4-5
Pre-Installation Considerations    .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  5-6
Installation Preview   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 6

 

System Components Described   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 7
Bypass Valve Installation  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 8
Installation Instructions   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  6-10

PWSR Quick Programming Guide   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 11-12

Control Programming   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 13-14
System Components Described   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 14-16
Drawings and Part Numbers   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 17-22
System Troubleshooting   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 23-26
Notes   .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 27

Table of Contents

Do not use with water that is microbiologically unsafe or of un-

known quality adequate disinfection before and after the system .

WARNING

!

PWSR Series Softeners

 IOM-WQ-PWSR

NOTICE

H

ydrocarbons such as Kerosene, Benzene, Gasoline, 

etc ., may damage products that contain O-rings or plastic 

components . Exposure to such hydrocarbons may cause 

the products to leak . Do not use the product(s) contained in 

this document on water supplies that contain Hydrocarbons 

such as Kerosene, Benzene, Gasoline, etc

.

WARNING

!

Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information can 

result in death, serious personal injury, property damage, or 

damage to the equipment.
Keep this Manual for future reference.

You are required to consult the local building and plumbing 

codes prior to installation.  If the information in this manual 

is not consistent with local building or plumbing codes, 

the local codes should be followed. Inquire with governing 

authorities for additional local requirements.

WARNING

!

Need for Periodic Inspection/Maintenance:

  This product must 

be tested periodically in compliance with local codes, but at least 

once per year or more as service conditions warrant .  All prod-

ucts must be retested once maintenance has been performed .  

Corrosive water conditions, and/or unauthorized adjustments or 

repair could render the product ineffective for the service intended .  

Regular checking and cleaning of the product’s internal compo-

nents helps assure maximum life and proper product function . 

WARNING

!

Summary of Contents for PWSR Series

Page 1: ...document on water supplies that contain Hydrocarbons such as Kerosene Benzene Gasoline etc WARNING Read this Manual BEFORE using this equipment Failure to read and follow all safety and use information can result in death serious personal injury property damage or damage to the equipment Keep this Manual for future reference You are required to consult the local building and plumbing codes prior t...

Page 2: ...RE SHIP WT LBS TANK SIZE RESIN FT3 GRAVEL LBS TANK SIZE SALT FILL SERVICE GPM DROP PSI BKW GPM PWSR130 30 000 1 9 x 48 1 15 18 x 36 350 9 12 15 25 2 2 110 PWSR145 45 000 1 10 x 54 1 5 20 18 x 36 350 12 16 15 25 2 7 130 PWSR160 60 000 1 12 x 52 2 30 18 x 36 350 15 20 15 25 3 5 190 PWSR190 90 000 1 14 x 65 3 60 18 x 40 400 18 23 15 25 4 2 265 ...

Page 3: ...ntly stored in the nonvolatile memory The control valve does not need batteries When the control valve is used as a down flow softener two backwashes always occur The softener will start regenerant prefill before regeneration the prefill starts two hours before the regeneration time set During the 2 hour period in which the brine is being made treated softened water is still available For example ...

Page 4: ...r outlet must be grounded All electrical connections must be connected according to local codes Be certain the outlet is uninterrupted Install grounding strap on metal pipes The power adapter comes with a 15 foot power cord and is designed for use with the control valve The power adapter is for dry location use only The control valve remembers all settings until the battery power is depleted if th...

Page 5: ...alled ahead of the water softener D Where to Install the Softener Consider the following points when determining where to install the water softener Place the system as close as possible to a sewer drain Do not install the softener where it would block access to the waterheater or access to the main water shutoff water meter or electrical panels Keep outside faucets on hard water to save soft wate...

Page 6: ... and contamination Install a By Pass Always install a bypass either a 3 way valve system or the standard bypass for the valve you have This will allow you to shut off the water supply to the softener but still have water in the house if the softener is in need of repair WARNING Do not exceed water pressure of 120 psi 8 2 bar Do not exceed 110 F 43 3 C Do not subject unit to freezing conditions Ins...

Page 7: ... the PC board prior to disconnecting the motor or water meter plugs from the PC board The motor plug connects to the two pin jack on the left hand side of the PC board The power source plug connects to the four pin jack The four pin jack is between the two pin and three pin jacks The water meter plug gray wire connects to the three The PC board can be removed separately from the drive brack et but...

Page 8: ...ipes for an electrical ground metal only When finished with plumbing a ground wire should be connected to the copper pipes to complete the ground circuit Use two clamps and 4 copper for this Figure 5 When installing sweat copper follow state and federal codes by using a lead free solder and flux Use a joint compound to seal threaded pipe Some homes use the cold water pipes for an electrical ground...

Page 9: ...to the softener tank connect the brine draw line to valve body Connect to valve body 3 8 Quick Connect fitting Control valves that use a regenerant come equipped with a 3 8 refill flow control assembly Complete the connection by installing the loose end of the tub ing to the brine valve in the salt tank Connect the Drain Line 1 Plumb the drain line to an appropriate drain abiding by all local city...

Page 10: ...several cold water and hot water faucets and let run until hot water heater is full and cold water faucets have expelled trapped air Turn electrical power back on or re light the hot water heater Now continue with control valve setup Start Up 1 Confirm that the bypass valve is in the bypass position see im ages 9 10 11 below 2 Place the bypass valve in the bypass position or mode see figures 9 11 ...

Page 11: ...ted in the Quick Programming Guide please see the detailed programming section of this manual NOTICE The electronics in the PWSR control valve are used across a wide variety of control valves and applications including backwashing filters All programming for the electronics has been included in this manual for reference however the valve must be programmed for Twin Alternating Softening Applicatio...

Page 12: ...ent issues Contact Pure Water Technical Support at 1 800 224 1299 then press 2 for details Press NEXT Button Gallon Capacity Mode Set to AUTO for most efficient setting Owner s manual has addi tional settings contact Pure Water Technical Support for Details Note You may see a gallon capacity on this screen hit the UP arrow button several times until you see AUTO on the screen Press NEXT Button Bri...

Page 13: ...lays One of the displays is always the current time of day The second display is one of the following days remaining or gallons remaining Days remaining are the number of days left before the system goes through a regeneration cycle Capacity remaining is the number of gallons that will be treated before the system goes through a regeneration cycle The user can scroll between the displays as desire...

Page 14: ...ration bacteria growth could develop Some water supplies may re quire periodic disinfecting PROGRAMMING NOTE SANITIZING THE SYSTEM 12 SET TIME OF DAY The user can also set the time of day Time of day should only need to be set after extended power outages or when day light savings time begins or ends If an extended power outage occurs the time of day will flash on and off which indi cates the time...

Page 15: ...ming injector increases the velocity of the water creating a zone of negative pressure that draws in the concentrated liquid regenerant such as sodium chloride brine potassium permanganate sodium hydroxide hydrochloric acid etc The regenerant blends with the stream of water which passes through the media to regenerate the bed The injector provides a consistent regenerant water mixture ratio over t...

Page 16: ...orts pressure tap ports etc The installation fitting assemblies are sold in pairs and consist of two fittings two nuts two split rings and two o rings The installation fitting assemblies and the bypass valve are sold separately from the control valve Bypass Valve The bypass valve is typically used to isolate the control valve from the plumbing system s water pressure in order to perform control va...

Page 17: ... Gear Cover 1 KC12V3002 W100SM Drive ASY Not Shown 7300838 W100SM Transformer 110V 12V 1 7300167 7300165 30K 7300135 45K 7300137 60K 7300139 90K 7300141 7300224 Drawings and Part Numbers Brine Tank and Softener Tank Front Cover and Drive Assembly DRAWING NO ORDER NO DESCRIPTION QTY 1 7300839 W100SM Front Cover ASY 1 2 7300833 W100SM Motor 1 3 KC12F3106 01 W100SM Drive Bracket 1 Spring Clip 4 73008...

Page 18: ...hat only backwashes injector plugs are located in both holes INJECTOR CAP INJECTOR SCREEN INJECTOR PLUG AND O RING Drawings and Part Numbers Drive Cap Assembly Downflow Piston Upflow Piston Regenerant Piston and Spacer Stack Assembly Injector Cap Injector Screen Injector Plug and O ring DRAWING NO ORDER NO DESCRIPTION QTY 1 7300826 W100SM Spacer Stack Assembly 1 2 KC12V3004 Drive Cap ASY 1 3 KC12V...

Page 19: ... Polytube insert 5 8 Option 3 KC12V3192 W100SM Nut 3 4 Drain Elbow Option 4 KC12V3158 01 W100SM Drain Elbow 3 4 Male ASY 1 5 KC12V3163 O ring 019 1 6 KC12V3159 01 W100SM DLFC Retainer ASY 1 7 KC12V3162 022 W100SM DLFC 2 2 gpm for 3 4 KC12V3162 027 W100SM DLFC 2 7 gpm for ORDER NO DESCRIPTION V4144 01 3 8 Quick Connect Fitting Brine Line Connection Drawings and Part Numbers Drain Line 3 4 DRAWING N...

Page 20: ... Split Ring 2 3 KC12V3105 O ring 215 2 4 KC12V3189 W100SM Fitting 3 4 1 PVC Solvent 90 2 Drawing No Order No Description Qty 1 KC12V3151 W100SM Nut 1 Quick Connect 2 2 KC12V3150 W100SM Split Ring 2 3 KC12V3105 O ring 215 2 4 KC12V3188 W100SM Fitting 1 Brass Sweat 2 Drawing No Order No Description Qty 1 KC12V3151 W100SM Nut 1 Quick Connect 2 2 KC12V3150 W100SM Split Ring 2 3 KC12V3105 O ring 215 2 ...

Page 21: ...rder No 7300839 Although no tools are necessary to assemble or disassemble the valve the PWSR Wrench shown in various positions on the valve may be purchased to aid in assemble or disas sembly PWSR Series Softeners 21 Bypass Valve Assembly Drawings and Part Numbers ...

Page 22: ...ce flow diagram rinse flow diagram backwash flow diagram fill flow diagram downflow brine 22 PWSR Series Softeners Drawings and Part Numbers Flow Diagram Service Flow Diagram Rinse Flow Diagram Fill Flow Diagram Backwash Flow Diagram Downflow Brine ...

Page 23: ...peated flushing of the hot water tank is required F Leak at distributor tube F Make sure distributor tube is not cracked Check O Ring and tube pilot G Internal valve leaking G Replace seals and spacers and or piston 4 Unit used too much salt A Improper salt setting A Check salt usage and sat setting B Excessive water in brine tank B See Problem No 8 5 Loss of water pressure A Iron buildup in line ...

Page 24: ...20 P S I E Internal control leak E Change seals spacers and piston assembly 10 Control cycles continuously A Broken or shorted switch A Determine if switch or timer is faulty and replace it or replace complete power head 11 Drain flows continuously A Piston is not positioned correctly when in service A Check timer program and positioning of control Replace power head assembly if not positioning pr...

Page 25: ...up procedure regeneration time option 5 ERROR followed by code number Error Code 1001 Unable to recognize start of regeneration Error Code 1002 Unexpected stall Error Code 1003 Motor ran to long timed out trying to reach next cycle position Error Code 1004 Motor ran to long timed out trying to reach home position If other Error Codes display contact the factory a Control valve has just been servic...

Page 26: ...se working outlet c Broken drive gear or drive cap assembly c Replace drive gear or drive cap assembly d Defective PC board d Replace PC board 8 Control valve does not regenerate automatically but does when REGEN button is depressed a Bypass valve in bypass position a Put control valve in service position b Meter connection disconnected b Connect meter to PC board c Restricted stalled meter turbin...

Page 27: ...NOTES ...

Page 28: ...ANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND IN NO EVENT SHALL WATTS BE LIABLE IN CONTRACT TORT STRICT LIABILITY OR UNDER ANY OTHER LEGAL THEORY FOR INCIDENTAL INDIRECT SPECIAL OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION LOST PROFITS OR PROPERTY DAMAGE REGARDLESS OF WHETHER IT WAS INFORMED ABOUT ...

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