Kenmore Water System 62534857 User Manual

OWNER’S  
MANUAL  
MODEL NOS.  
625.348570  
625.348590  
Caution:  
Read and Follow  
All Safety Rules and  
Operating Instructions  
Before First Use of  
This Product.  
Deluxe Demand Water Softeners  
Warranty  
Start Up / Setting Timer  
How It Works  
If you have questions when  
installing, operating or main-  
taining your softener, and  
when setting the timer, call  
this toll–free number...  
Care Of  
Specifications  
1–800–426–9345  
Repair Parts  
SAVE THIS MANUAL  
Use plastic bag and tie provided, to hang manuals nearby  
the softener for future reference.  
Sears, Roebuck and Co., Hoffman Estates, IL 60179 USA  
PRINTED IN U.S.A.  
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TABLE OF CONTENTS  
PAGE  
NO.  
SECTION 1  
SOFTENER START UP  
A. SAFETY GUIDES  
B. CHECK LIST OF STEP-BY-STEP GUIDES TO INSTALL  
C. PROGRAM THE TIMER  
D. SANITIZING THE WATER SOFTENER  
E. FILL THE STORAGE TANK WITH SALT  
4
5
6-7  
8
9
SECTION 2  
HOW YOUR WATER SOFTENER WORKS  
A. FACE PLATE TIMER FEATURES  
B. SOFT WATER SERVICE AND REGENERATION  
10–11  
12-14  
SECTION 3  
CARE OF YOUR SOFTENER  
A. SALT: REFILLING STORAGE TANK, SALT BRIDGE  
B. KEEPING THE WATER SOFTENER CLEAN  
C. KEEP THE SOFTENER FROM FREEZING  
D. HELPFUL HINTS CHECKLIST  
15  
16  
17  
18  
SECTION 4  
OTHER THINGS TO KNOW  
A. DIMENSIONS/SPECIFICATIONS  
19  
SECTION 5  
SERVICE TECH INFORMATION  
A. TROUBLESHOOTING  
B. ROTARY VALVE SERVICE  
20-23  
24  
C. WATER FLOW THROUGH THE SOFTENER VALVE  
25-27  
SECTION 6  
REPAIR PARTS  
28-31  
3
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WATER SOFTENER START-UP  
SECTION 1  
1A.  
SAFETY GUIDES  
Read all steps, guides and rules carefully be-  
fore installing and using your new water softener.  
Follow all steps exactly to correctly install. Fail-  
ure to follow them could cause personal injury or  
property damage. Reading this book will also  
help you to get all of the benefits from your water  
softener.  
Your water softener will remove hardness min-  
erals and “clear water” iron from water, up to the  
limits shown on page 19. It will not remove other  
types of iron, acids, tastes and odors, etc. It will  
not purify polluted water or make it safe to drink.  
Protect the softener and piping from freezing.  
Damage from freezing voids the softener warran-  
ty. See page 17.  
CAUTIONS  
PLEASE READ AND COMPLY WITH THE FOL-  
LOWING GUIDES TO PREVENT DAMAGE TO  
THE SOFTENER OR OTHER PROPERTY,  
PERSONAL INJURY, OR POSSIBLE FATAL  
SHOCK.  
THIS SOFTENER WORKS ON 24 VOLTS  
ONLY. BESURETOUSETHETRANSFORMER  
INCLUDED, AND PLUG IT INTO A 120V OUT-  
LET.  
Unplug the transformer right away if the  
power cable sould become damaged or  
frayed. Make repairs before plugging back  
into the power outlet.  
Always unplug the softener from electrical  
power before removing outer valve covers.  
4
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WATER SOFTENER START-UP  
SECTION 1  
1B.  
CHECK LIST OF ALL STEP-BY-STEP GUIDES TO INSTALL  
Refer to the Installation Manual, part no. 7159931, for  
stepĆbyĆstep guides.  
To be sure you have done all the steps to install the  
softener, read the following list. Page numbers  
referred to are in the Installation Manual.  
Is the house water flow going INTO the softener  
valve INLET? Trace piping to be sure. See pages  
10 and 11.  
Is the plumbing bypass valve (or 3 valves) set for  
SERVICE? See FIG. 12, page 19 of this manual.  
Is the valve drain hose connected the right way,  
and without sharp bends or kinks that could stop  
or reduce water flow? See page 16.  
Is the softener power cable connected to the  
transformer? Is the transformer plugged into an  
inside, 120VĆ60Hz electrical outlet? See page 20.  
3–valve  
brass  
Be sure to restart the water heater. See page 20.  
plastic  
5
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WATER SOFTENER START-UP  
SECTION 1  
1C.  
PROGRAM THE TIMER  
FIG. 1  
signal light adjust  
salt level adjust  
display  
UP button  
SELECT button  
SALT  
LEVEL  
SIGNAL  
LEVEL  
SALT  
LEVEL  
ADJUST  
SIGNAL  
LIGHT  
ADJUST  
Deluxe Demand Water Softener  
SELECT  
Kenmore Water Line  
for Customer Assistance  
1–800–426–9345  
RECHARGE TONIGHT  
RECHARGE NOW  
ON/OFF  
HOLD  
with Dual Segment Electronic Display  
LOW  
SALT  
ON/OFF–HOLD button  
(Recharge Tonight–Now)  
DOWN button  
When the transformer is plugged in, the model code  
SR31, and a test number (example: k10) show in the  
face plate display for 4 seconds. Then, 12:00 AM and  
PRESENT TIME begin to flash.  
button. For example, while setting the hardness  
(step 2), the beeper sounds repeatedly when the  
display reaches 1 using the DOWN button, or the  
highest hardness setting using the UP button.  
1. SET PRESENT TIME OF DAY:  
AM  
NOTE:  
PRESENT TIME  
If the words PRESENT TIME do not show in the  
display, press the SELECT button (FIG. 1) until they  
do, or see the previous notes.  
Press the UP / DOWN buttons to set the present  
time. Press UP to move the display ahead; press  
DOWN to move the time backward.  
NOTES:  
If SR- - shows in the display, press the UP  
or  
DOWN button until SR31 shows. Then, press the  
SELECT button to set, and change to the flashing  
PRESENT TIME display.  
PM  
If the present time is between  
noon and midnight, be sure PM  
shows.  
PRESENT TIME  
To check the model code, unplug the transformer at  
the wall outlet and plug in again. if other than SR31  
shows, see page 18 to reset.  
If the present time is between  
midnight and noon, be sure AM  
shows.  
AM  
PRESENT TIME  
SOUND BEEPER": A beeper" sounds while  
pressing buttons for timer setĆup. One beep signals a  
change in the face plate display. Repeated beeps  
mean the timer will not accept a change from the  
button you have pressed, telling you to use another  
NOTE:  
Each press of the UP /DOWN buttons changes the  
time by 1 minute. Holding the buttons in changes the  
time 32 minutes each second.  
6
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WATER SOFTENER START-UP  
SECTION 1  
1C.  
PROGRAM THE TIMER  
Bypass, page 14). If a different recharge time setting  
would be better for your household, do the  
following.  
2. SET WATER HARDNESS NUMBER:  
Press the SELECT button once to display 25  
(flashing) and HARDNESS.  
Press the UP / DOWN buttons to set the desired  
recharge starting hour. Be sure to observe the  
AMĆPM as you did when setting the present time of  
day.  
The grains per gallon (gpg)  
hardness of your water supply is  
on your water analysis report.  
Be sure to enter water test results  
on page 2, for future reference.  
HARDNESS  
NOTE:  
NOTE:  
Each press of the UP / DOWN buttons changes the  
display 1 hour. Holding the buttons in changes the  
display twice each second.  
If your water supply contains iron, compensate for it  
by adding to the water hardness number. For  
example, assume your water is 20 gpg hard and  
contains 2 ppm iron. Add 5 to the hardness number  
for each 1 ppm of iron. In this example, you would  
use 30 for your hardness number.  
4. SET CLEAN FEATURE (optional):  
Press the SELECT button to display OFF  
(flashing) and CLEAN.  
This feature is beneficial on  
water supplies containing iron  
and/or high amounts of sediĆ  
20 gpg hardness  
2 ppm iron x 5 = 10 +10  
CLEAN  
(times)  
30 HARDNESS NUMBER  
ments (sand, silt, dirt, etc.).  
When set to ON, a backwash and  
fast rinse cycle will occur first,  
preceeding the normal regenĆ  
eration sequence (see page 12).  
This provides extra cleaning of  
the resin bed before it is regenerĆ  
Press the UP / DOWN buttons to set your water  
hardness number in the display. The DOWN button  
moves the display to 1. The UP button moves the  
display to the highest setting (see maximum setting  
for your model in the specifications).  
CLEAN  
ated with the salt brine. To conserve water, if your  
water supply does not contain iron or sediments, be  
sure this feature is set to OFF. Use the UP / Down  
buttons to change the ON / OFF displays.  
NOTE:  
Each press of the UP / DOWN button changes the  
display by 1 between 1 and 25. Between 25 and the  
highest number, the display changes 5 at a time25,  
30, 35, etc. Holding the UP or DOWN button in  
changes the display twice each second.  
Press the SELECT button once again, to return  
the present time, and RECHARGE TONIGHT in the  
display.  
3. SETRECHARGE(REGENERATION) TIME:  
Press the SELECT button to display 2:00 AM  
(flashing) and RECHARGE TIME.  
8
7
6
5
4
OFF  
Serv  
PM  
RECHARGE TONIGHT  
3
2
1
AM  
At the 2:00 AM recharge time  
setting, the softener begins reĆ  
WATER FLOW  
RECHARGE  
TIME  
generation (see pages 12 and  
13) at 2:00 AM, ending no later  
than 4:00 AM. This is a good time in most households  
because water is not being used (see Automatic  
IF YOU NEED HELP PROGRAMMING THE TIMER, CALL TOLL FREE, NUMBER 1-800-426-9345.  
SEE PAGES 10 AND 11 FOR OTHER FACE PLATE TIMER FEATURES.  
7
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WATER SOFTENER START-UP  
SECTION 1  
1D.  
SANITIZING THE WATER SOFTENER  
Care is taken at the factory to keep your water  
softener clean and sanitary. Materials used to make  
the softener will not infect or contaminate your water  
supply, and will not cause bacteria to form or grow.  
However, during shipping, storage, installing and  
operating, bacteria could get into the softener. For  
FIG. 2 ADD WATER  
Salt Hole  
Cover  
this reason, sanitizing as follows is suggested when  
installing.  
hose  
Brinewell  
Cover  
(remove and add  
about 3/4 oz. bleach)  
1. The first time you sanitize your softener, be sure  
to do all steps in the installation manual, and on  
pages 5, 6 and 7 of this manual first.  
2. Lift the salt hole cover and use a pail or hose to fill  
the salt storage tank with at least 3 gallons of  
water.  
Brinewell  
Water,  
About 3 Gallons  
3. Remove the brinewell cover (FIG. 3) and pour  
about 3/4 ounce of common 5.25% household  
bleach (Clorox, Linco, BoPeep, White Sail, Eagle,  
etc.) in the softener brinewell.  
4. Press the ON/OFFĆHOLD button and hold for 3  
seconds to start a recharge. This first recharge  
does several things.  
Ċ It draws the bleach into and through the softĆ  
ener to sanitize it.  
Ċ It fills the salt tank to the water level needed.  
Ċ It gets all the air out of the resin tank.  
Ċ It makes the resin bed (see page 11) ready for  
service.  
NOTES:  
This recharge takes about 2 hours.  
If the CLEAN feature is set to ON, a cleaning  
backwash will occur first (CLEAN and Bkwsh or  
Rinse flashes in the display), before the sanitizing  
recharge. Recharge takes about 2 hours and 15  
minutes when the clean feature is on.  
You can sanitize the softener with or withĆ  
out salt in the storage tank.  
Recommended by the Water Quality Association. On  
some water supplies, the water softener may need periĆ  
odic disinfecting.  
8
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WATER SOFTENER START-UP  
SECTION 1  
1E.  
FILL THE STORAGE TANK WITH SALT  
Brine (salt dissolved in water) is needed for each and  
every regeneration. The water for making brine is  
metered into the salt storage tank by the softener.  
However, you must keep the tank filled with salt.  
FIG. 3 ADD SALT  
Fill the tank with NUGGET or PELLET water softener  
salt. DO NOT use rock salts, as they have dirt and  
sediments that will stop the softener from working.  
Before filling, be sure the brinewell cover is in place  
on the top of the brinewell. Salt storage capacity is  
shown on page 19. Be sure to set the salt monitor  
system (see page 10).  
NOTES:  
The salt monitor system (page 10) is calibrated to the  
density of nugget or pellet water softener salt. The  
monitor will not work as accurately with other types  
of salt including rock and solar.  
In humid areas, it is best to fill the storage tank  
halfĆfull, and to refill it more often. Salt bridging (see  
page 15) occurs more often when conditions are  
humid.  
Sodium information: Water softeners using sodium  
chloride for regeneration add sodium to the water.  
Persons who are on sodium restricted diets should  
consider the added sodium as part of their overall  
sodium intake.  
WATER SOFTENING SALT WITH IRON REMOV-  
ING ADDITIVES Some salts have an additive to  
help the softener handle iron in the water supply.  
Although this additive may help to keep the softener  
resin clean, it may also release corrosive fumes that  
will weaken and shorten the life of some softener  
parts.  
For example, if your water supply is 15 grains hard,  
you would have to drink 3 quarts of softened water  
to consume 335 milligrams of sodium. That is  
equivalent to eating 2Ć1/2 slices of white bread.  
Persons who are concerned about their drinking  
water should consider a Kenmore Drinking Water  
System that will remove or reduce in excess of 90% of  
the sodium and other drinking water contaminants.  
You have now finished the water softener start up. After the sanitizing recharge, on  
page 8, the softener will be giving you soft water.  
9
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HOW YOUR WATER SOFTENER WORKS  
SECTION 2  
2B.  
FACE PLATE TIMER FEATURES  
EXTRA RECHARGE  
SALT MONITOR SYSTEM  
Sometimes, a manually started regeneration (reĆ  
charge) may be desired, or needed. Two examples  
are:  
The face plate timer has a low salt monitor with an  
indicator light to remind you to refill the storage tank  
with salt. To set this monitor system:  
--You have used more water than usual (guests  
visiting) and you may run out of soft water before the  
next timer started regeneration.  
1. Lift the salt hole cover and level the salt in the  
storage tank.  
2. The salt level decal, on the brinewell inside the  
tank, has numbers from 0 to 8 (see drawing on  
page 9 and below). Observe the number the  
leveled salt is at or closest to.  
--You did not refill the softener with salt before it  
was gone.  
You can start a regeneration right away, or you can  
set the timer to regenerate at the next 2:00 AM (or  
other preset recharge time). Do the following.  
3. Now, press the SALT LEVEL ADJUST button until  
black bars display up to the salt level number. For  
example, the pictures below show the salt level  
at 6.  
RECHARGE NOW  
Press the ON/OFFĆHOLD  
8
7
6
5
4
OFF Serv  
Fill  
PM  
button and hold until *REĆ  
CHARGE, Serv and Fill begin to  
flash in the display. Upon  
reaching fill, the first cycle of reĆ  
generation, the flashing Serv  
4. Finally, set the level you want the low salt  
indicator light to come on. Press the SIGNAL  
LIGHT ADJUST button until a () shows  
opposite this number. In the example below, the  
light will come one when the stored salt drops to  
level 2. At level 2, the storage tank is about 1/3  
full. This is the lowest you should allow the  
stored salt level to drop to. To turn the salt  
monitor off, press the button until OFF shows.  
RECHARGE  
3
2
1
WATER FLOW  
goes off and Fill is on steady. RECHARGE continĆ  
ues to flash. This regeneration will last for about 2  
hours. After the 2 hours, you will have soft water  
again.  
*NOTE:  
NOTE:  
For accurate salt monitor operation, always use  
nugget or pellet water softener salt. See page 9.  
If the CLEAN feature is set to ON, a cleaning  
backwash (CLEAN and Bkwsh or Rinse flashes in the  
display, along with the minutes of the clean cycle  
remaining) precedes the recharge.  
SALT  
SIGNAL  
LEVEL  
LEVEL  
8
SALT  
LEVEL  
ADJUST  
bars, salt  
level  
RECHARGE TONIGHT  
7
6
5
4
3
Press and release (do not  
OFF  
8
7
6
5
4
PM  
SALT  
LEVEL  
brinewell  
decal  
hold) the ON / OFFĆHOLD butĆ  
ton. RECHARGE TONIGHT  
flashes in the display, and the  
softener begins regeneration at  
the next preset recharge time.  
RECHARGE TONIGHT  
SIGNAL  
LIGHT  
ADJUST  
3
2
1
2
1
WATER FLOW  
salt  
level  
ON/OFF  
HOLD  
LOW  
SALT  
Press and release the ON/OFFĆHOLD button once  
more if you decide to cancel the regeneration, and  
RECHARGE TONIGHT.  
indicator light  
10  
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HOW YOUR WATER SOFTENER WORKS  
SECTION 2  
2A.  
FACE PLATE TIMER FEATURES  
OPTIONAL SETTINGS– CLEAN FEATURE  
MINUTES, MAXIMUM DAYS BETWEEN REGEN-  
ERATIONS, and 12 / 24 HOUR TIME READINGS:  
WATER FLOW THROUGH THE SOFTENER  
8
7
6
5
4
OFF  
If soft water is in use, the water  
flow bars continually scroll  
across the display. The bars  
scroll slowly when water flow is  
slow, and move faster as water  
flow increases. The flow bars do  
not show when all faucets and  
water using appliances are off.  
PM  
3
2
1
1. To set 1, 2 or all 3 options, press and hold SELECT  
for 3 seconds. Then press again until the CLEAN  
TIME display shows.  
WATER FLOW  
no water flow  
8
7
6
5
4
OFF  
PM  
MIN  
MIN  
3
2
1
CLEAN  
CLEAN  
TIME  
TIME  
WATER FLOW  
Flow bars scroll when  
soft water is in use.  
default minutes  
example: time set to 3minutes  
=CLEAN feature minutes: If you are using this  
feature (page 7), the length of the extra backwash  
cycle automatically sets to 7 minutes. However, you  
can adjust this time from 1 to 15 minutes in length. To  
change this cycle time, use the UP button to increase  
the time, or the DOWN button to shorten the time. If  
no change is desired, continue below.  
RECHARGE TIME REMAINING and VALVE  
POSITION INDICATORS  
valve  
position  
indicators  
recharge  
time  
One of the valve position indicaĆ  
tors (Serv, Fill, Brine, Bkwsh,  
Rinse) is displayed while the  
softener is recharging (See  
*NOTE on page 10 if the CLEAN  
feature is ON). RECHARGE  
flashes in the display and, beginĆ  
remaining  
8 OFF  
Serv  
Fill  
Brine  
7
6
5
4
MIN  
RECHARGE  
TIME REMAINING  
Bkwsh  
Rinse  
3
2
1
2. Press SELECT again to show the following  
RECHARGE display.  
ning with Brine, the minutes of recharge remaining  
before return to service appears in place of the  
present time. When the valve is moving from one  
cycle to another, both position indicators are  
flashing.  
DAY  
DAY  
RECHARGE  
RECHARGE  
default display  
example: set to 4 days maxi-  
mum between regenerations  
=Maximum days between regenerations: The  
faceplate timer automatically controls regeneration  
frequency (see page 14). This provides the greatest  
operating efficiency, and normally the maximum  
days feature is not needed. If you want to be certain  
a regeneration will occur within a number of days,  
use this feature. For example, if your water supply  
contains iron and you want the softener to  
regenerate at least once every few days to keep the  
resin bed clean, set the display as typically shown  
above. Setting is available from 1 to 15 days by using  
the UP and DOWN buttons.  
PROGRAM MEMORY  
If electrical power to the softener goes off, the time  
display is blank but the face plate timer keeps the  
correct time for about 6 hours. When electrical  
power comes on again, you have to reset the present  
time only if the display is flashing. The HARDNESS  
and RECHARGE TIME never require resetting unless  
a change is desired.  
Even if the timer is incorrect after a long power  
outage, the softener works as it should to keep your  
water soft. However, regenerations may occur at the  
wrong time of day until you reset the timer to the  
correct time of day.  
3. Press SELECT to show the 12 HOUR display.  
AM  
PM  
=12 or 24 hour clock: All  
time displays are shown in  
standard clock time (1 to 12 PM;  
and 1 to 12 AM) at the 12 hr  
default setting. If military time  
displays are desired, set to 24 hr  
by pressing the UP button.  
ERROR CODE  
TIME  
An error code could appear in  
the face plate display if a probĆ  
lem occurs in the softener elecĆ  
tronics. If you see an error code  
instead of the present time of  
day, please call you local Sears  
Service Department for service.  
TIME  
4. Press SELECT to return the present time display.  
11  
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HOW YOUR WATER SOFTENER WORKS  
SECTION 2  
2B. SOFT WATER SERVICE AND REGENERATION  
SERVICE  
REGENERATION  
When the softener is giving you soft water, it is called  
Service". During service, hardwater flows through  
the house main water pipe into the softener. Inside  
the softener resin tank is a bed made up of thousands  
of tiny, plastic resin beads (FIG. 4). As hard water  
passes through the bed, each beadattracts andholds  
the hardness minerals. This is called ionĆexchanging.  
It is much like a magnet attracting andholding  
metals. Water without the hardness minerals (soft  
water) flows out of the softener andinto the house  
soft water pipes.  
FILL: Salt, dissolvedin water, is calledbrine.  
Brine is needed to clean the hardness minerals from  
the resin beads. To make the brine, water flows into  
the salt storage area during the fill stage as shown in  
FIG. 5. Fill cycle length depends on how much soft  
water making capacity you have usedsince the last  
regeneration. As you use more water, fill time  
increases so more brine is made. The greater amount  
of brine cleans more hardness minerals from the  
resin bed.  
FIG. 5 WATER FLOW THROUGH THE  
After a periodof time, the resin beads become  
coatedwith hardness minerals andthey have to be  
cleaned. This cleaning is called regeneration or  
recharge. Regeneration is startedat 2:00 a.m. by the  
electronic timer (see page 14). It takes place in 5  
stages or cycles. These are:  
SOFTENER IN FILL  
hard water  
IN  
soft water  
OUT  
FILL  
BRINING  
BRINE RINSE  
BACKWASH  
FAST RINSE  
1
2
3
4
5
salt storage  
tank  
NOTE:  
If the CLEAN feature (page 7) is set to ON, additional  
backwash andfast rinse cycles occur before the fill  
cycle.  
brine valve  
FIG. 4 WATER FLOW THROUGH THE  
SOFTENER IN SERVICE  
hard water  
IN  
soft water  
OUT  
fill water  
salt storage  
tank (salt  
not shown)  
brine valve  
resin tank  
resin bed  
12  
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HOW YOUR WATER SOFTENER WORKS  
SECTION 2  
2B.  
SOFT WATER SERVICE AND REGENERATION  
BRINING: During brining, thebrineis moved  
from thesalt storagearea, into theresin tank. Inside  
the resin tank, brine cleans hardness minerals from  
the resin beads and they are discharged out the  
drain. How much brine is needed to clean the resin  
depends on:  
FIG. 7 WATER FLOW THROUGH THE  
SOFTENER IN BACKWASH  
hard water  
bypass OUT  
hard water  
IN  
drain  
--the amount of resin in the softener,  
--how fast thebrinegoes through thebed.  
resin bed lifted  
and expanded  
Thenozzleand venturi (FIG. 6) makesuction to take  
brinefrom thesalt tank and put it into theresin tank.  
They keep the brine flow down to a very slow rate to  
get the best resin cleaning with the least salt.  
BRINE RINSE: After all of thebrinegoes into the  
resin tank, the brine valve closes. Water keeps  
flowing thesameway it did during brining except  
the brine flow has stopped. Hardness minerals and  
brineflush from theresin tank to thedrain. Brining  
and brinerinsetogether vary in thelength of time  
they take, relative to the fill cycle length.  
FAST RINSE: Backwash is followed by a fast flow  
of water down through the resin tank. The fast flow  
packs the resin bed and gets it ready for return to  
service (FIG. 8).  
FIG. 6 WATER FLOW THROUGH THE  
SOFTENER IN BRINING AND  
BRINE RINSE  
After fast rinse, the softener returns to service. Hard  
water goes into the resin tank where the resin bed  
again takes out the hardness minerals. Soft water  
goes to the house soft water pipes.  
hard water  
hard water  
bypass OUT  
nozzle &  
venturi  
IN  
FIG. 8 WATER FLOW THROUGH THE  
drain  
SOFTENER IN FAST RINSE  
hard water  
IN  
soft water  
OUT  
drain  
brine valve  
brine  
BACKWASH: During backwash, water flows UP  
through theresin tank (FIG. 7) at a fast rateto flush  
iron minerals, dirt and sediments from the bed and to  
the drain. The bed lifts and expands for good  
cleaning.  
13  
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HOW YOUR WATER SOFTENER WORKS  
SECTION 2  
2B.  
SOFT WATER SERVICE AND REGENERATION  
AUTOMATIC BYPASS  
ELECTRONICS  
Two main parts of the softener's electronics are a  
WATER METER, and a COMPUTER.  
During the brining, brine rinse and backwash cycles  
of regeneration, hard water goes through the  
softener valve and to the house pipes. If a faucet is  
opened, hard water is there for your needs.  
However, you should not use HOT water, if possible,  
because the water heater will refill with hard water.  
The softener regenerates from 2:00 AM to about 4:00  
AM, (you can set anytime), a time when not much  
water is used.  
WATER METER Ċ The water meter is in the  
softener valve outlet. As water flows through the  
meter, it sends electric pulses to the computer. The  
computer changes the pulses to a measure in gallons  
of water.  
COMPUTER Ċ The computer is part of the circuit  
board. It is programmed to know the softener's  
capacity (how many grains of hardness minerals it  
will take out of the water before a regeneration is  
needed). When starting the softener, page 7, you set  
it for the grains per gallon (gpg) hardness of the  
water.  
If you get up early in the morning and you can hear  
the softener regenerating, change the time setting.  
Set the recharge time to 12:00 AM or 1:00 AM (page  
7). Then regeneration will start and end that much  
earlier and your water heater will not refill with hard  
water if a hot faucet is opened.  
To find a regeneration pattern best for your needs,  
the computer uses: (1) water usage from the meter,  
(2) hardness setting, (3) softener capacity, and (4)  
time since the last regeneration. The computer  
always adjusts this pattern to your water using habits.  
It works toward providing you with soft water for the  
longest time and the most efficient salt usage.  
Softening capacity is used as hard water goes  
through the softener and hardness minerals are  
removed, capacity is used. When the computer  
determines that only enough capacity remains to  
provide soft water up to the next regeneration  
starting time (2:00 AM, or as otherwise set) it will  
schedule a regeneration. RECHARGE TONIGHT  
displays until the regeneration begins. When the  
regeneration begins, TONIGHT goes off and *REĆ  
CHARGE or RECHARGE TIME REMAINING flashes  
during the 2 hour regeneration.  
*NOTE:  
If the CLEAN feature is set to ON, a cleaning  
backwash (CLEAN and Bkwsh or Rinse flashes in the  
display, along with the minutes of the clean cycle  
remaining), precedes the recharge.  
14  
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CARE OF YOUR SOFTENER  
SECTION 3  
3A.  
SALTREFILLING STORAGE TANK/BREAKING A SALT BRIDGE  
all the salt before refilling. Without salt, you will soon  
have hard water.  
WHEN TO REFILL WITH SALT  
The Salt Monitor System (see page 10) will turn on  
the low salt light to warn you when to refill with salt.  
Check for a low salt light a few weeks after you install  
the softener, and every week after that. Always  
refill at about the #2 salt monitor level. At this level,  
the tank is about 1/3 full. Never let the softener use  
NOTE:  
You will have a loss in softeningcapacity and may  
get partly hard water if less than 10 inches (salt  
monitor level 2) of salt is in the storage tank.  
PLEASE SEE PAGE 9 FOR SALT FILLING DIRECTIONS.  
BE SURE TO RESET THE SALT MONITOR, PAGE 10.  
SALT BRIDGE  
FIG. 9 SALT BRIDGE  
Sometimes, a hard crust or salt bridge forms in the  
salt storage tank. It is usually caused by high  
humidity or the wrongkind of salt. When the salt  
bridges, an empty space forms between the water  
and salt. Then salt will not dissolve (melt) in the  
water to make brine. Without brine, the resin bed  
does not regenerate and you will have hard water.  
push tool into salt  
bridge to break  
1” – 2”  
Pencil  
Mark  
If the storage tank is full of salt, it is hard to tell if you  
have a salt bridge. Salt is loose on top, but the bridge  
is under it. The followingis the best way to check for  
a salt bridge.  
Broom Handle  
Salt  
Salt should be loose all the way to the bottom of the  
tank. Hold a broom handle, or like tool, up to the  
softener as shown in FIG. 9. Make a pencil mark on  
the handle, 1or 2below the top height of the rim.  
Then, carefully push it straight down into the salt. If a  
hard object is felt before the pencil mark gets to the  
top of the tank, it's most likely a salt bridge. Carefully  
push into the bridge in a few places to break it. Do  
not try to break the salt bridge by pounding on  
the outside of the salt tank. You may damage it.  
Salt Bridge  
Water Level  
If the wrongkind of salt made the bridge, take it out.  
Then fill the tank with nugget or pellet salt only.  
15  
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CARE OF YOUR SOFTENER  
SECTION 3  
3B.  
KEEPING THE WATER SOFTENER CLEAN  
COVERS  
NOTE:  
To keep your new Kenmore water softener looking  
nice, apply a coat of paste wax and repeat once a  
year. When dusty, wipe it with a damp cloth to keep  
it sparkling.  
Never use cleaners having ammonia or abrasives.  
They may scratch and dull the surface.  
NOZZLE & VENTURI  
FIG. 10 CLEANING THE NOZZLE &  
VENTURI  
A clean nozzle and venturi (FIG. 10) is a must for the  
softener to work right. This small unit moves brine  
from the salt storage tank to the resin tank during  
regeneration. If it becomes plugged with sand, silt,  
dirt, etc., the softener will not work and you will get  
hard water.  
Cap  
O–ring Seal  
Screen Support  
To get to the nozzle and venturi, remove the softener  
top cover. Be sure the softener is in service cycle (no  
water pressure at nozzle and venturi), then turn off  
the cap from the nozzle and venturi housing. Do not  
lose the large oĆring seal. Lift out the screen support  
and screen, then the nozzle and venturi. Wash and  
rinse the parts in warm water until clean. If needed,  
use a small brush to remove iron or dirt. Also check  
and clean the gasket flow plugs and screens.  
*Flow Plug  
(DUDC or DDUC)  
Screen  
Nozzle & Venturi  
Screen  
Gasket  
IMPORTANT: Be sure small  
holes in the gasket are cen-  
tered directly over the small  
holes in the nozzle & venturi  
housing.  
Carefully replace all parts in the correct order.  
Lubricate the oĆring seal with silicone grease or  
Vaseline and place in position. Install and tighten  
the cap, by hand only. Do not overtighten and  
break the cap or housing.  
*Flow Plug  
(HVDC)  
Nozzle & Venturi  
Housing  
*Installwithnumberedsideupconcave  
sidedown. Besurethelargestflowplugis  
located in the nozzle & venturi housing.  
maximum of clear water iron, an iron filter or other  
equipment is needed. Your local Sears store has  
trained people to help you with iron water problems.  
IRON FROM THE RESIN BED  
Your water softener takes hardness minerals (calĆ  
cium and magnesium) out of the water. Also, it can  
control some clear water" iron. See maximum  
allowed in the specifications on page 19. With clear  
water iron, water from a faucet is clear when first put  
into a glass. After 15 to 30 minutes, the water begins  
to cloud or turn rust colored. A water softener WILL  
NOT remove any iron which makes the water cloudy  
or rusty as it comes from the faucet (called red water  
iron). To take red water iron out of water, or over the  
If your water supply has clear water iron, even  
though less than the maximum allowed, regular  
resin bed cleaning is needed. Sears has resin bed  
cleaner, Item No. 42Ć34426 for this. Clean the bed at  
least every 6 months. If iron shows up in the soft  
water before 6 months, clean more often. Printed  
instructions are on the resin bed cleaner bottle.  
16  
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CARE OF YOUR SOFTENER  
SECTION 3  
3C.  
KEEP THE SOFTENER FROM FREEZING  
If the softener is installed where it could freeze  
(summer cabin, lake home, etc.), you must drain all  
water from it to stop possible freeze damage. To  
drain the softener Ċ  
FIG. 11 DRAIN WATER FROM THE  
SOFTENER  
1. Close the shutĆoff valve on the house main water  
pipe, near the water meter or pressure tank.  
2. Open a faucet in the soft water pipes to vent  
pressure in the softener.  
3. Refer to FIG. 12 on page 19. Move the stem in a  
single bypass valve to bypass. Close the inlet and  
outlet valve in a 3Ćvalve bypass system, and open  
the bypass valve. If you want water in the house  
pipes again, reopen the shutĆoff valve on the  
main water pipe.  
7. Looking at FIG. 11, lay a piece of 2 inch thick  
board near the floor drain. Move the softener  
close to the drain. SLOWLY and CAREFULLY tip  
it over until the rim rests on the wood block with  
the inlet and outlet over the drain. Do not allow  
the softener's weight to rest on the inlet and  
outlet fittings or they will break.  
4. Unplug the transformer at the wall outlet.  
Remove the salt hole cover and the main cover.  
Take off both drain hoses.  
5. Carefully remove the large holding clips at the  
softener inlet and outlet (see Key No. 61, on page  
30). Separate the softener from the adaptors or  
bypass valve.  
8. Tip the bottom of the softener up a few inches  
and hold until all water has drained. Leave the  
softener laying like this until you are ready to use  
it. Plug the inlet and outlet with rags to keep dirt,  
bugs, etc. out.  
6. Remove the brinewell cover and disconnect the  
brine valve tubing at the nozzle and venturi  
assembly (see page 30). Lift the brine valve out of  
the brinewell. Tip the brine valve upside down to  
drain out water.  
17  
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CARE OF YOUR SOFTENER  
SECTION 3  
3D.  
HELPFUL HINTS CHECKLIST  
... TO HELP YOU SAVE MONEY  
If your water softener fails to work, make the following easy checks. Often, you will find what's wrong yourself  
and you won't haveto call and wait for service. If you do not find anything wrong, whilemaking thechecks,  
and your softener still does not work, call your Sears Service Department.  
NOTES:  
1. Also read ERROR CODE, page 11.  
2. If an error code is not dispIayed, press and hold the SELECT button for several seconds until a flashing SR  
codeappears. It must show SR31. If SR 17, 22, 39 or 60 shows, thefaceplatecomputer is working on incorrect  
input and would probably be the cause of the problem. To set SR31, press either the UP or DOWN button.  
When SR31 shows, press SELECT to return a flashing 12:00 AM display. Reset the present time, hardness numĆ  
ber and recharge time, pages 6 and 7.  
PROBLEM  
CAUSE  
CORRECTION  
NO SOFT WATER  
No salt (or salt bridged) in the storage tank  
Refill with salt, or break the salt bridge (page  
15). Press ON/OFF-HOLD (RECHARGE  
NOW) button and hold for 3 seconds to start  
a regeneration (see page 10).  
Transfomer unplugged at the wall outlet, or Check for loss of power due to any of these  
power cable leads loose, fuse blown, circuit and correct. With the power back on, look at  
breaker popped, or circuit switched off.  
the time display and read PROGRAM  
MEMORY, page 11.  
Manual bypass valve(s) in bypass position  
Look at FIG. 12 on page 19. Move the stem  
in a single valve to service. In a 3-valve  
bypass, opentheinletandoutletvalves, and  
be sure to fully close the bypass valve.  
Dirty, plugged or damaged nozzle & venturi  
Valve drain hose plugged  
Take apart and clean or replace damaged  
parts (see page 16).  
The drain hose must not have kinks, sharp  
bends, or be raised too high above the  
softener (see page 16 in your installation  
manual).  
WATER HARD SOMETIMES  
Hardness number setting too low  
Press and release the SELECT button until  
HARDNESS shows in the display. Read the  
hardness number in the display and be sure  
the same grains per gallon number is shown  
on your water analysis report. See page 7 to  
reset. Press and release the SELECT  
button until the present time shows in the  
display.  
Using hot water when softener is regenerating Avoid using hot water during this time  
because the water heater refills with hard  
water (see Automatic Bypass, page 14).  
Increase in the grains of hardness in your Ask your Sears retail or catalog store for a  
water supply  
new water analysis. Then make a new  
hardness number setting (page 7).  
18  
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OTHER THINGS TO KNOW  
SECTION 4  
4A.  
DIMENSIONS/SPECIFICATIONS  
FIG. 12 BYPASS VALVES  
INCHES  
40-1/4  
9
40  
41-1/2  
46  
19-1/2  
16-1/2  
3-3/8  
CM  
A
B
C
D
E
Salt Tank Height  
Resin Tank Diameter (nominal)  
Resin Tank Height (nominal)  
Inlet-Outlet Height  
Overall Height  
102.2  
22.7  
101.6  
105.4  
116.8  
49.5  
41.9  
8.6  
1
F
F
Length  
Width  
2
— Distance between inlet-outlet  
center lines  
MODEL NO. 625.348570 AND 625.348590  
TIMER SR CODE SR31  
NOTE: Please see the rating decal for water softener operating capacity, salt usage and service flow rate/presĆ  
sure loss performance specifications. Performance specifications are validated by the Water Quality AssociaĆ  
tion (WQA). The rating decal is located on the rim, under the salt hole cover (see page 28).  
WATER SUPPLY TO WATER SOFTENER  
OTHERS  
MINIMUM WATER SYSTEM FLOW (gpm)  
MINIMUM-MAXIMUM WATER PRESSURE (psi)  
MAXIMUM WATER TEMPERATURE (°F)  
MAXIMUM WATER HARDNESS (gpg)  
3
20-120  
120  
TYPE OF ION EXCHANGE MATERIAL (resin) High Capacity  
AMOUNT OF RESIN (cu.ft.)  
1.0  
REGENERATION (RECHARGE) CYCLE TIME (min.)  
110  
7
FILL  
2.7-10.3  
MAXMUM “CLEAR WATER” IRON (ppm)  
BRINING/BRINE RINSE  
BACKWASH  
FAST RINSE  
97-106  
7
3
SALT FOR WATER SOFTENER  
TOTAL REGENERATION TIME ➀  
109.7-126.3  
TYPE OF SALT NEEDED  
ALTERNATE TYPE OF SALT  
Nugget/Pellet  
Pure, evaporated, compacted  
water softener salt  
gpm = gallons per minute  
gpg = grains per gallon  
psi = pounds per square inch  
ppm = parts per million  
STORAGE CAPACITY (pounds)  
200  
Does not include CLEAN feature cycle times if set to ON.  
19  
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SERVICE TECH. INFORMATION  
SECTION 5  
5A.  
TROUBLESHOOTING  
Keep this manual with your water softener. If repairs are needed, the service technician must have the informaĆ  
tion on the following 8 pages. For telephone assistance, call toll free, 1-800-426-9345.  
WIRING SCHEMATIC  
BACK OF TIMER  
(PWA)  
AC INPUT  
POS / TURBINE  
MOTOR  
Motor, 24VAC  
24VAC  
Transformer  
grn  
NC  
NO  
OUT  
GND  
+5  
Position  
Switch  
Turbine  
Sensor  
brn  
SALT  
LEVEL  
SIGNAL  
LEVEL  
SALT  
LEVEL  
ADJUST  
SIGNAL  
LIGHT  
ADJUST  
Deluxe Demand Water Softener  
SELECT  
Sears Water Line  
for Customer Assistance  
1–800–426–9345  
RECHARGE TONIGHT  
RECHARGE NOW  
ON/OFF  
HOLD  
with Dual Segment Electronic Display  
LOW  
SALT  
ALWAYS MAKE THESE INITIAL CHECKS FIRST  
REMOVE THE TOP COVER AND SALT TANK COVER  
1. Does the time display show the correct time of day?  
6. Is there salt in the storage tank?  
--If display is blank, check power source to the softĆ  
ener.  
7. Is the brine tubing connected? (See water flow  
diagrams).  
--If time is flashing, power was off for over 24 hours. The  
softener resumes normal operation but regenerations  
occur at the wrong time.  
8. Is the brine valve float set right? (See page 23).  
--If an error code (Example: Err3) shows in the face plate  
display, go to AUTOMATIC ELECTRONIC DIAGNOSĆ  
TICS.  
9. Press the SELECT button 2 times to display the hardness  
setting. Be sure it is the correct setting for the  
household's water supply. (Make a hardness test of the  
raw water and compare with the hardness setting. Also  
test a soft water sample to verify if a problem exists.)  
Press the SELECT button twice more to return to  
present time in the display.  
2. Plumbing bypass valve(s) must be in Full Service  
position.  
3. The inlet and outlet pipes must connect to the softener  
inlet and outlet respectively.  
If you do not find the problem after making initial checks,  
do the MANUAL INITIATED ELECTRONIC DIAGNOSTICS,  
and the MANUAL ADVANCE REGENERATION CHECK.  
4. Is the transformer plugged into a live", grounded wall  
outlet, and the power cable fastened securely?  
5. The valve drain hose must be free of kinks and sharp  
bends, and not elevated over 8 ft. above the floor.  
20  
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SERVICE TECH INFORMATION  
SECTION 5  
5A.  
TROUBLESHOOTING  
The chart below shows the error codes that could  
appear, and the possible defects for each code.  
AUTOMATIC ELECTRONIC DIAGNOSTICS  
The face plate computer has a selfĆdiagnostic  
function for the electrical system (except input  
power and water meter). The computer monitors the  
electronic components and cirĆ  
cuits for correct operation. If a  
malfunction occurs, an error  
code appears in the face plate  
display.  
While an error code appears in the display, all face  
plate buttons are inoperable except the SELECT  
button. SELECT remains operational so the service  
person can make the MANUAL INITIATED ELECĆ  
TRONIC DIAGNOSTICS (below) to further isolate  
the defect, and check the water meter.  
POSSIBLE DEFECT  
MOST LIKELY  
LESS LIKELY  
CODE  
Err1  
motor inoperative / wiring harness or connection to switch / position switch / face plate  
face plate  
Err2  
Err3  
Err4  
Err5  
motor / face plate  
face plate / position switch  
face plate  
See face plate replacement on  
page 22.  
PROCEDURE FOR REMOVING ERROR CODE FROM FACE PLATE: 1. Unplug transformer 2. Correct defect  
3. Plug in transformer 4. Wait for 6 minutes. The error code will return if the defect was not corrected.  
If you don't get a reading in the display, with facuet  
open, pull the sensor from the valve outlet port. Pass  
a small magnet back and forth in front of the sensor.  
You should get a reading in the display. If you get a  
reading, unhook the in and out plumbing and check  
the turbine for binding.  
MANUAL INITIATED ELECTRONICS  
DIAGNOSTICS  
1. To enter diagnostics, press the SELECT button  
and hold for 3 seconds.  
You will see the following display, showing valve  
cycle position, position switch status (open or  
closed), and turbine operation.  
valve position indicator  
turbine count (wa-  
ter flowing)  
8 OFF Serv  
7
6
5
4
3
2
8
7
6
5
4
OFF Serv  
1
3
2
1
WATER FLOW  
WATER FLOW  
position switch  
indicator (open)  
turbine count (no  
water flowing)  
TURBINE OPERATION:If no water is flowing through  
the softener, the turbine indicator displays 3 zeros.  
When water is flowing, the flow bar scrolls across the  
display, and a 000 to 199 count repeats for each  
gallon of water passing through the turbine. To  
check for positive operation of the turbine if zeros  
are shown, open a nearby soft water faucet and  
observe the turbine count and flow bar.  
POSITION SWITCH STATUS: WIth the valve in  
service, or any of the recharge cycles, the switch  
indicator will show open  
rotating from 1 position to another, the indicator will  
show the switch closed . A defect is probable if  
indications vary from this pattern.  
. While the valve is  
21  
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SERVICE TECH. INFORMATION  
SECTION 5  
5A.  
TROUBLESHOOTING  
Press the UP button to display the number of days  
this face plate has had electrical power applied.  
Press the DOWN button to display the number of  
regenerations initiated by this face plate since the SR  
code number was entered.  
VALVE POSITION INDICATORS: Depending on the  
valve position, the following indicators show in the  
display:  
INDICATOR  
VALVE POSITION  
Serv . . . . . . . . . service  
Fill . . . . . . . . . . . fill  
2. Press the ON/OFFĆHOLD button to advance the  
valve to each position and observe the switch  
and position indicators to verify component  
operation, or to possibly isolate a defect.  
Brine . . . . . . . . . brining/brine rinse  
Bkwsh . . . . . . . . backwash  
Rinse . . . . . . . . fast rinse  
When the valve is rotating from 1 cycle to another,  
both indicators flash. For example, if the valve is in  
transition between fill and brining, both Fill and  
Brine flash. Upon reaching brining position, Fill  
goes off and Brine is on steady. The time display  
shows the minutes of the cycle remaining.  
3. Press and hold the SELECT button for 3 seconds  
until…  
...SR31 shows.  
NOTE: If the face plate is left in a diagnostic display  
(or a flashing display when setting times or  
hardness), present time automatically returns if a  
button is not pressed within 4 minutes. To return  
to the diagnositc display, repeat step 2.  
This code identifies the softener nominal capacity  
size. If the wrong number shows, the softener will  
operate on incorrect programming. Do the following  
as needed.  
SR31 does show Ċ Press the SELECT button to  
return the present time display.  
OTHER INFORMATION: While in this diagnostic screen,  
the following information is available and may be  
beneficial for various reasons. This information is  
retained by the computer from the first time electrical  
power is applied to the face plate.  
To change SR number Ċ Press the UP or DOWN  
button until SR31 shows. Then, press the SELECT  
button and reset the timerpage 6.  
FACE PLATE REPLACEMENT: BE SURE THE VALVE IS IN  
SERVICE POSITION (OBSERVE VALVE CYCLE INDICATOR)  
WHEN REPLACING THE FACE PLATE.  
If, after installing and programming the replacement face  
place, the valve is not in service position, do the following  
to assure correct cycle orientation, or timing, between the  
face plate and valve.  
Use the MANUAL ADVANCE procedures, page 23. With the  
RECHARGE NOWbutton, advance through the recharge  
cycles until the valve stops in service position, and REĆ  
CHARGE no longer flashes in the timer.  
MOTOR  
CAM  
position  
markers  
NOTE: The valve motor may automatically drive through  
several valve positions while searching for service. If an erĆ  
ror code occurs, unplug the transformer, then plug in again.  
22  
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SERVICE TECH INFORMATION  
SECTION 5  
5A.  
TROUBLESHOOTING  
MANUAL ADVANCE REGENERATION CHECK  
NOTE: If water system pressure is low, an elevated  
drain hose may cause back pressure, stoppingbrine  
draw.  
This check verifies proper operation of the valve  
motor, brine tank fill, brine draw, regeneration flow  
rates, and other controller functions. Always make  
the initial checks, and the manual initiated  
diagnostics.  
3. Again press ON/OFFĆHOLD to move the softenĆ  
er into backwash. Look for a fast flow of water  
from the drain hose.  
NOTES: The face plate display must show a steady  
time (not flashing). If an Error code shows, first press  
the SELECT button to enter the diagnostic display.  
a. An obstructed flow indicates a plugged top disĆ  
tributor, backwash flow plug, or drain hose.  
4. Press ON/OFFĆHOLD to move the softener into  
fast rinse. Again look for a fast drain flow. Allow  
the softener to rinse for a few minutes to flush out  
any brine that may remain in the resin tank from  
the briningcycle test.  
1. Press the ON/OFFĆHOLD button and hold in for  
3 seconds. *RECHARGE and Fill begin to flash as  
the softener enters the fill cycle of regeneration.  
When Fill is on steady, remove the brinewell  
cover and, usinga flashlight, observe fill water  
enteringthe tank.  
5. To return the softener to service, press ON/OFFĆ  
HOLD.  
*NOTE: If the CLEAN feature is set to ON, a cleaning  
backwash (CLEAN and Bkwsh or Rinse flashes in the  
display, alongwith the minutes of the clean cycle  
remaining), precedes the recharge.  
a. If water does not enter the tank, look for an obĆ  
structed nozzle, venturi, fill flow plug, brine tubĆ  
ing, or brine valve riser pipe.  
CYCLE FLOW RATES (GALLONS PER MIN.)  
FILL (flow to salt storage tank)  
BRINING  
0.3 (1.1 liters)  
.19 (.7 liters)  
.12 (.45 liters)  
2.0 (7.6 liters)  
2.0 (7.6 liters)  
BRINE RINSE  
(flow to drain)  
BACKWASH  
FAST RINSE  
2. After observingfill, press the ON/OFFĆHOLD  
button to move the softener into brining. A slow  
flow of water to the drain will begin. Verify brine  
draw from the brine tank by shininga flashlight  
into the brinewell and observinga noticeable  
drop in the liquid level.  
NOTE: Be sure a salt bridge is not preventing water  
with salt contact.  
a. If the softener does not draw brine…  
nozzle and/or venturi dirty or defective.  
nozzle and venturi not seated properly on  
gasket.  
restricted drain (check drain fittingand  
hose).  
defective nozzle and venturi seal.  
other inner valve defect (rotor seal, rotor &  
disc, wave washer, etc.).  
23  
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SERVICE TECH. INFORMATION  
SECTION 5  
5B.  
ROTARY VALVE SERVICE  
Before working on the valve, turn off the water  
supply and disconnect from electrical power.  
TO RELIEVE PRESSURE:  
Lower the cover onto the valve body and rotor shaft.  
Then install the cover holding screws. Before  
tightening the screws, install the valve cam and  
gear. Then, turn the rotor (clockwise only) to service  
position. Tighten the screws using a crissĆcross  
pattern. If a torque wrench is available, torque to  
30Ć40 inch pounds.  
--3 VALVE BYPASS: Close the inlet valve and open a  
soft water faucet. Then close the outlet valve and  
open the bypass valve.  
--SEARS SPECIAL BYPASS: Slide the bypass valve  
stem to bypass position. Loosen the 3 hex head  
screws (see A in drawing) toward the back side of  
the valve to allow pressure water to bleed out Catch  
water with a rag.  
DISASSEMBLY  
To remove a part or group of parts, refer to the valve  
drawing. A common screwdriver or nut driver,  
Phillips screwdriver and pliers are the only tools  
needed to completely disassemble.  
SERVICING THE VALVE  
Inspect all oĆrings, seals and gaskets for wear or  
defects.  
Inspect the bottom surface of the rotor and disc for  
scratches, chips or wear.  
NOTE: If replacement is needed, be sure to use the  
current replacement part.  
ASSEMBLY  
Be sure all parts are in place and in the proper  
position. Lubricate ALL oĆrings and seals with FDA  
approved silicone grease. To install the rotor seal,  
first place the seal into the valve groove, rounded  
side down (see crossĆsection). Apply a light coating  
of silicone grease to the seal's crossing ribs. Then,  
carefully center the wear strip on the seal, and push it  
downward onto the seal.  
Install the nozzle and venturi seal and drain seal.  
Assemble 2 oĆrings and the wave washer onto the  
rotor and disc. Then center the rotor and disc, in the  
valve body, on the rotor seal.  
Lubricate the gear on the motor, and the valve cam  
gear with Molykote grease, or other high quality gear  
lubricant.  
Be sure to orient switch as shown, with lever toward  
the cam.  
24  
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SERVICE TECH INFORMATION  
SECTION 5  
5C .. WATER FLOW THROUGH THE SOFTENER VALVE  
SERVICE CYCLE  
from Valve Inlet  
(hard water)  
top distributor  
resin tank  
To Valve Outlet  
(soft water)  
resin  
bed  
resin  
bed  
bottom distributor  
Hard water enters the valve inlet port. Internal valve porting routes the water  
down and out the top distributor, into the resin tank. Hard water is softened  
as it passes through the resin bed, then enters the bottom distributor. Soft  
water flows back into the valve and out the valve outlet, to the house soft  
water pipes.  
FILL CYCLE  
position switch  
valve cam  
venturi  
rotor & disc  
fill flow  
from Valve Inlet  
plug  
(hard water)  
fill water  
(soft)  
top distributor  
resin tank  
To Valve Outlet  
(soft water)  
resin  
bed  
resin  
bed  
bottom distributor  
To begin a regeneration, the electroic timer energizes the circuit to the valve  
motor. The valve motor rotates the rotor and disc and the valve cam until the  
position switch lever drops, to open the motor circuit and position the valve in  
FILL. As the rotor and disc rotates, the port opens for SOFT water fill through the  
venturi. Fill flowcontinues to the brine valve, and into the salt storage tank. Soft  
water is still available to the house lines.  
25  
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SERVICE TECH. INFORMATION  
SECTION 5  
5C. WATER FLOW THROUGH THE SOFTENER VALVE  
BRINING AND BRINE RINSE CYCLES  
bypass hard water  
to valve outlet  
venturi  
drain  
nozzle  
from Valve Inlet  
(hard water)  
brine from  
salt stor-  
age tank  
After fill, timer/switch action allows the motor to turn the rotor and disc into  
BRINING position. Water flow is directed to the nozzle. Suction, created by the  
nozzle and venturi, draws brine from the salt storage tankand injects it into the resin  
bed via the bottom distributor. Flow continues out the top distributor and to the  
drain. Hard water is available at the valve outlet.  
When the brine valve closes to end brine draw, water flow continues in the same  
directions to slowly RINSE brine from the resin bed and to the drain.  
BACKWASH CYCLE  
bypass hard water  
flow plug  
Timer/switch action again allows the motor to turn the  
rotor & disc to place the valve in BACKWASH, stopping  
water flow to the nozzle. Water is routed down and out  
the bottom distributor, up through the bed, and out the  
top distributor to the drain. The fast flow (controlled by  
a flow plug in the drain fitting) flushes dirt, sediments,  
iron deposits, remaining brine and hardness to the  
drain.  
to valve outlet  
drain  
26  
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SERVICE TECH INFORMATION  
SECTION 5  
5C. WATER FLOW THROUGH THE SOFTENER VALVE  
FAST RINSE CYCLE  
soft water  
to valve outlet  
drain  
During FAST RINSE, the rotor & disc is positioned so water flow enters the  
resin tank through the top distributor, and exits through the bottom  
distributor, to the drain.  
The electronic timer again energizes the motor to return the valve to service.  
As the valve rotates, the position switch lever drops to open the circuit. The  
valve remains positioned in service until the electronic timer initiates the  
next regeneration.  
27  
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REPAIR PARTS  
SECTION 6  
KENMORE WATER SOFTENERS  
MODEL NOS. 625.348570 AND 625.348590  
28  
3
1
2
KEY  
PART  
DESCRIPTION  
NO. NUMBER  
1
2
3
4
5
6
7137604 Cover (main)  
7137612 Salt Hole Cover  
Valve Assembly  
(see page 30)  
7095373 Transformer, 24V-10VA FY  
7132840 Power Cord (transformer)  
7183451 Timer Repl. (PWA)  
5
4
7178464 Face Plate (order req’d decal)  
7178749 Face Plate Decal, Mod 625.348570  
7178757 Face Plate Decal, Mod 625.348590  
26  
25  
6
7
7137599 Rim  
8
7137727 Brinewell Cover  
7
24  
9
7082150 Wing Nut, 1/4  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
7100819 Brinewell  
7144619 Salt Storage Tank  
7148875 Plastic Screw, 1/4x 5/8″  
0900431 Hose Clamp FY  
1103200 Hose Adaptor FY  
9003500 Grommet FY  
Rating Decal  
Location  
23  
22  
21  
7116488 Brine Valve Assy. (also see pg. 29)  
7105047 Replacement Distributor  
0502272 Resin  
20  
19  
7144952 Resin Tank (incl. Key No. 18)  
7170270 O-Ring, 2-3/4x 3″  
7077870 Top Distributor  
8
9
18  
17  
7170254 O-Ring, 13/16x 1-1/16″  
7170296 O-Ring, 2–7/8x 3-1/4″  
7141001 Vapor Barrier  
10  
7176292 Clamp Section (2 req.)  
7088033 Clamp Retainer (2 req.)  
7137913 Decal, Salt Level①  
27  
11  
15  
16  
14  
–––  
Cov. Lock (req’d. for shipment only)  
7159931 Installation Manual  
13  
12  
7178731 Owners Manual  
not illustrated  
FY Included in parts bagssee page 31.  
Aligns with top of brinwell.  
28  
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REPAIR PARTS  
SECTION 6  
KENMORE WATER SOFTENERS  
MODEL NOS. 625.348570 AND 625.348590  
48  
47  
BRINE VALVE  
ASSEMBLY  
KEY  
NO. NUMBER  
7168647 Float Weight, Ceramic  
0513860 Float Stop  
PART  
DESCRIPTION  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
7097202 Float (includes key no. 33)  
0516947 Float Seal  
7093216 Float Rod & Stem  
7092278 Guide Cap  
30  
31  
7170288 O-Ring 15/16 x 1-3/16  
0516211 Seal  
46  
32  
0516924 Retainer, Bottom Seal  
7116713 Clip  
7092252 Brine Valve Body  
7080653 Clip  
33  
7131365 Screen  
7094979 Insert  
7092294 Retaining Ring  
7092286 O-Ring, 5/16 x 9/16  
7095470 Brine Tube  
34  
35  
7113016 Tubing Assy. (incl Key Nos. 43, 44 & 45)  
7171349 Cone Screen  
7112997 Ground Clamp Kit FY  
36  
37  
38  
FY Included in parts bagssee page 31.  
45  
44  
43  
39  
40  
42  
41  
INLET – OUTLET  
GROUNDING CLAMPS  
49  
29  
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REPAIR PARTS  
SECTION 6  
KENMORE WATER SOFTENERS  
MODEL NOS. 625.348570 AND 625.348590  
95  
50  
51  
94  
93  
52  
53  
92  
VALVE ASSEMBLY  
54  
55  
56  
57  
91  
58  
59  
90  
89  
60  
61  
88  
87  
83  
82  
81  
86  
85  
84  
77  
62  
80  
63  
64  
65  
66  
79  
78  
67  
68  
71  
69  
70  
96  
76  
75  
97  
98  
99  
74  
73  
72  
30  
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REPAIR PARTS  
SECTION 6  
KENMORE WATER SOFTENERS  
MODEL NOS. 625.348570 AND 625.348590  
PARTS LIST  
KEY  
NO. NUMBER  
PART  
DESCRIPTION  
KEY  
NO. NUMBER  
PART  
DESCRIPTION  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
7131755 Screw, #6-20 x 7/8 (2 req.)  
7133008 Motor (Includes 2 ea. of Key No. 50)  
0900857 Screw, #6-20 x 3/8 (2 req.)  
7117808 Motor Plate  
0503288 Bearing  
7113927 Cam and Gear  
7142942 Clip (Drain)  
0501228 Flow Plug  
7170327 O-Ring, 5/8 x 13/16  
7024160 Drain Hose Adaptor  
0900431 Hose Clamp FY  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
99  
7113032 Nozzle and Venturi — Gasket Kit  
7146043 Screen  
7167659 Screen Support  
7170262 O-Ring, 1–1/8 x 1-3/8  
7081188 Cap  
7084607 Flow Plug, .15 gpm  
7170246 O-Ring, 3-3/8 x 3-5/8  
7103964 Rotor & Disc  
7082087 Wave Washer  
7170212 O-Ring, 3/4 x 15/16  
7170238 O-Ring, 7/16 x 5/8  
7085263 Valve Cover  
7074123 Screw, #10-14 x 2 (5 req.)  
7077472 Expansion Pin  
7030713 Switch  
7117816 Spacer  
7070412 Screw, #4-24 x 1-1/8 (flat head)  
7173707 Sensor Housing  
2204101 Turbine Support and Shaft  
7117858 Turbine  
7116713 Clip (2 req.) FY  
0507369 Installation Nut (2 req.) Y ꢀ  
0507615 Installation Tube (2 req.) Y ꢀ  
7170335 Washer (2 req.) Y ꢀ  
42-3441 Install. Kit (Incl. Key Nos. 62, 63 & 64) ꢀ  
2207800 Installation Adaptor (2 req.) Fꢁ  
7170288 O-Ring, 15/16 x 1-3/16 (2 req.) Fꢁ  
7134224 Rotor Seal  
7170204 O-Ring, 3/8 x 9/16  
7092642 Plug (Drain Seal)  
7129889 Spring  
7081764 Seal (Nozzle & Venturi)  
7082053 Valve Body  
7170319 O-Ring, 1/4 x 3/8 (2 req.)  
7081201 Retainer (Nozzle & Venturi)  
7081104 Nozzle & Venturi Housing  
1202600 Nut — Ferrule  
9000803 O-Ring  
7137507 Nozzle & Venturi Assy. (Includes  
Key Nos. 75, and 77 through 84)  
7147112 Parts Bag, Model No. 625.348570  
(Includes parts marked with a ,  
pages 28, 29 & 31) — order manu-  
als separately, if needed.  
7144821 Parts Bag, Model No. 625.348590  
(incl. parts marked with a , pages  
28, 29 & 31) — order manuals sepa-  
rately, if needed.  
7095030 Cone Screen  
1148800 Flow Plug, .3 gpm  
Parts included with Model No. 625.348590 only.  
Parts included with Model No. 625.348570 only.  
7129716 Seal Kit (Includes Key Nos. 67, 68,  
71, 85, 88 and 89).  
42–3433 Drain Hose, 3/8I.D. x 20ꢀ  
not illustrated  
BYPASS INSTALLATION VALVE  
MODEL NO. 625.34372  
103  
102  
KEY  
PART  
DESCRIPTION  
101  
NO. NUMBER  
100 0502206 Retainer Ring  
104  
101 7129863 Bypass Body  
102 7105013 O-Ring, 13/16 x 1 (4 req.)  
103 7130911 Stem  
100  
104 7170288 O-Ring, 15/16 x 1-3/16 (2 req.)  
42–3437 Bypass Valve (Complete) Yꢀ  
31  
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OWNER’S  
MANUAL  
Deluxe Demand Water Softeners  
For the repair or replacement parts you need  
delivered directly to your home  
MODEL NOS.  
625.348570  
Call 7 am – 7 pm, 7 days a week  
1 - 800 - 366 - PART  
(1 – 800 – 366 – 7278)  
625.348590  
For in–home major brand repair service  
Call 24 hours a day, 7 days a week  
1 - 800 - 4 - REPAIR  
(1 – 800 – 473 – 7247)  
The model number of  
your water softener is  
found on the rating de-  
cal. This decal is on the  
rim, under the salt cover.  
For the location of a  
Sears Parts and Repair Center in your area  
Call 24 hours a day, 7 days a week  
1 - 800 - 488 - 1222  
When requesting service  
or ordering parts, always  
provide the following in-  
formation:  
For information on purchasing a Sears  
Maintenance Agreement, or to inquire  
about an existing Agreement  
Call 9 am – 5 pm, Monday – Saturday  
1 - 800 - 827 - 6655  
z Product Type  
z Model Number  
z Part Number  
z Part Description  
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.  
7178731 (R. 8/97)  
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