Kenmore 6253484400 User Manual WATER SOFTENER Manuals And Guides LR708188

KENMORE Water softener Manual LR708188 KENMORE Water softener Owner's Manual, KENMORE Water softener installation guides

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_ARS
OWNER'S
MANUAL

MODEL NOS.
625.3484400
High

625.3484500
High Capacity

Kenrnor'e
Caution:
Read and Follow
All Safety Rules and
Operating Instructions
Before First Use of
This Product.

Water Softeners
Warranty
Start Up / Setting Timer
How It Works

If you have questions when
installing, operating or maintaining your softener,
and
when setting the timer, call
this toll-free number...

1-800-426-9345
SAVE THIS MANUAL

Care Of
Specifications
Repair Parts
Use plastic bag and tie provided, to hang manuals nearby
the softener for future reference.

Sears, Roebuck and Co., Hoffman Estates,
PRINTED IN U.S.A.

SEARS RESIDENTIAL

FULL ONE YEAR WARRANTY

For one year from the date of purchase, when this water softener is installed and maintained
in accordance with our instructions, Sears will repair, free of charge, defects in material or
workmanship
in this water softener.
FULL TEN YEAR WARRANTY

For ten years from the date of purchase, Sears will furnish and install a new current model
water softener tank or salt storage drum, free of charge, if either the tank or drum develop
a leak.
TO OBTAIN WARRANTY
SERVICE, SIMPLY CONTACT THE NEAREST SEARS SERVICE CENTER THROUGHOUT
THE UNITED STATES. This warranty applies only while
this product is in use in the United States.
This warranty gives you specific legal rights, and you may have other rights which vary from
state to state.
Sears,

and Co., D/817 WA, Hoffman

If you want your water softener professionally installed, talk to your Sears Salesman. He will arrange for a
prompt, quality installation by Sears Authorized Installers.
SEARS INSTALLATION POLICY

SEARS INSTALLATION WARRANTY

All installation labor arranged by Sears shall be
perfbrmed in a neat, workmanlike manner in
accordance with generally accepted trade practices. Ful_her, all installations shall comply with all
local laws, codes, regulations, and ordinances.
Customer shall also be protected, during installation, by insurance relating to Property Damage,
Workman's Compensation and Public Liability.

In addition to any warranty extended to you on the
Sears merchandise
involved, which warranty
becomes effective the date the merchandise is
installed, should the workmanship of any Sears
arranged installation prove faulty within one year,
Sears will, upon notice from you, cause such faults
to be corrected at no additional cost to you.

FACTS AND FIGURES TO KEEP
Fill in the blanks below and keep this book in a safe
place so you always have these facts.
Water Softener Model No.lSerial Number
Date Installed
Water Hardness
Grains Per Gallon
Iron Content
Parts Per Million
Taste And/Or Odor
*pH
Water Pressure
Pounds/Square Inch
Water Flow Rate
Gallons Per Minute
1- The model number is on the rating decal, located
on the rim, under the salt hole cover.

TABLE OF CONTENTS
I

SECTION 1
A.
B.
C.
D.
E.

OTHER THINGS TO KNOW

TROUBLESHOOTING
ROTARY VALVE SERVICE
WATER FLOW THROUGH

CARE OF YOUR SOFTENER

DIMENSIONS/SPECIFICATIONS

SECTION 5
A.
B.
C.

HOW YOUR WATER SOFTENER

SALT: REFILLING STORAGE TANK, SALT BRIDGE
KEEPING THE WATER SOFTENER CLEAN
KEEP THE SOFTENER FROM FREEZING
HELPFUL HINTS CHECKLIST

FACE PLATE TIMER FEATURES
SOFT WATER SERVICE AND REGENERATION

SECTION 3
A.
B.
C.
D.

SAFETY GUIDES
CHECK LIST OF STEP-BY-STEP
GUIDES
PROGRAM THE TIMER
SANITIZING THE WATER SOFTENER
FILL THE STORAGE TANK WITH SALT

SECTION 2
A.
B.

TECH INFORMATION

• Read all steps, guides and rules carefully before installing and using your new water softener.
Follow all steps exactly to correctly install. Failure 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
erals and "clear water" iron from water, up
limits shown on page 18. It will not remove
types of iron, acids, tastes and odors, etc.
not purify polluted water or make it safe to

minto the
other
It will
drink.

• Protect the softener and piping from freezing.
Damage from freezing voids the softener warranty. See page 16.
CAUTIONS
PLEASE READ AND COMPLY WITH THE FOLLOWING GUIDES TO PREVENT DAMAGE TO
THE SOFTENER
OR OTHER
PROPERTY,
PERSONAL
INJURY, OR POSSIBLE
FATAL
SHOCK.
• THIS SOFTENER
WORKS ON 24 VOLTS
ONLY. BE SURE TO USE THE TRANSFORMER
INCLUDED, AND PLUG IT INTO A 120V OUTLET.
• Unplug the
power cable
frayed. Make
into the power

transformer
right away if the
should become
damaged
or
repairs before plugging back
outlet.

• Always unplug the softener from electrical
power before removing outer valve covers.

CHECK LIST OF ALL STEP-BY-STEP

Refer to the Installation
for step-by-step
guides.

GUIDES TO INSTALL

pmx no. 7141417,

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
for SERVICE? See page

valve (or 3 valves)
18.

_/' 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, and is the transformer plugged
into an inside, 120V-60Hz electrical outlet?
See page 20.
3-valve

_/' Be sure to restart the water heater.

Ii
plastic
_(i\g_,.l_. In this example,
you u:ould use 25 for rour hardness numbe_:
2 ppm iron x5 = 10
(times)

3. SET RECHARGE

• Press the SELECT button once to display
(flashing) and HARDNESS.

If a different RECHARGE
better ti)r your household,

=ll.qedu_ql
ill
e-""

TIME setting would
do the fi)llowing.

• Press the [] UP/DOWN {_ buttons tO set the
desired RECHARGE starting hour. Be sure to
observe the AM-PM as you did when setting the
time of day.

15 gpg hardness
+10
25 HARDNESS
NUMBER

• 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).

Each press of the UP/DOWN buttons changes the
display 1 hour. Continuous pressure on the UP or
DOWN button changes the display twice each
second.
• Press the SELECT button
once again,
to
return
the present
time (steady)
of day and
RECHARGE TONIGHT in the display.

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
time...25, 30, 35, etc. Continuous pressure on the
UP or DOWN button changes the display twice
each second.

_.i__
7..J"
RECHARGE

| ),_, PM
TONIGHT

IF YOU NEED HELP PROGRAMMING THE TIMER, CALL TOLL FREE, NUMBER 1-800SEE PAGE 10 FOR OTHER FACE PLATE TIMER FEATURES.

THE WATER SOFTENER

Care is taken at the factory tO keel) 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 this reason, sanitizing as follows
is suggested q) when installing.

Salt Hole
Cover

1. Lift the salt hole cover and use a pail or hose to
fill the salt storage tank with at least 3 gallons of

Brinewell
Cover
remove and add
about 3/4 oz. bleach)

2. Remove the brinewell cover
about 3/4 ounce of common
bleach (Clorox, Linco, BoPeep,
etc.) in the softener brinewen.

(FIG. 2) and pour
5.25% household
White Sail, Eagle,

Water,
About 3 Gallons

3. Press the ON/OFF-HOLD
button and holdjbr3
seconds to start a recharge. This first recharge does
several things.

It draws the bleach into and through
softener to sanitize it.

fills the
needed.

It gets all the air out of the resin tank.

It makes the resin bed (see page 11) ready
for service.

NOTES:
This recharge takes about 2 hours.
You can

q) Recommended
by the Water Quality Association. On some water supplies, the water softener
may need periodic disinfecting.
Sanitize with or
without salt in the storage tank.

FILL THE STORAGE

Brine (salt dissolved in wate 0 is needed fbr 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.

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 brinewen. Salt storage
capacity is shown on page 18.

Brinewell
Cover

In humid areas, it is best to fill the storage tank
half-full, and to refill it more often. Salt bridging
(see page 14) occurs i-ilorc often when conditions
are humid.

WATER SOFTENING SALT WITH IRON REMOVING ADDITIVES -- Some salts have an additive to
hel I) 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.

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 overan sodium intake.
For example,
if your
hard, you would have
water to consume 335
is equivalent to eating

water supply is 15 grains
to drink 3 quarts of softened
milligrams of sodium. That
2-1/2 slices of white bread.

Persons who arc concerned about their drinking
water should consider a Sears 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
ON PAGE 8, THE SOFTENER WILL BE GIVING YOI_ SOFT WATER.

HOW YOUR WATER SOFTENER

EXTRA
Sometimes,

FACE PLATE TIMER FEATURES

RECHARGE
a manually

charge) may be desired,
pies arc:

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.

-- You have used more water than usual (guests
visiting) and you may run out of soft water before
the next timer started regeneration.

Even if the timer is incorrect after a long power
outage, the softener works as it should to keel)
you water soft. However, regenerations may occur
at the wrong time of day until you reset the timer
to the correct time of day.

-- 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.

RECHARGENOW
• Press the ON/OFF--HOLD
button
j'or .3 secol_ds.
RECHARGE

NOW begins
tO flash in the
31 !_m
display,
and the
softener en"ECUARGE
ters the fill cycle of regeneration right away. This regeneration
will last for
about 2 hours. Then, you will have soft water
again.

An error code could appear
in the face plate
display
if a problem
occurs
in the softener
electronics.
If you see an error code instead of the
time of day, please call you local Sears Service
Department
for service.

RECHARGETONIGHT
• Press and release (do not hold) the ON/
OFF-HOLD
button.
RE]
CHARGE TONIGHT
flashes
_._'"j_-q!_pM
t/
in the display, and the softenRECHARGE
I"ONIGItT
J
er begins regeneration
at the
next preset recharge time. Press and release
the ON/OFF-HOLD
button once more if you
decide to cancel the regeneration,
and RECHARGE TONIGHT.

IF YOU NEED HELP ON THE USE OF THE TIMER FEATURES, CALL TOLL FREE,
NUMBER 1-800- 426-9345.

When the softener is giving you soft water, it is
called "Service". During service, hard water comes
from 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 bead
attracts and holds the hardness minerals. This is
called ion-exchanging. It is much like a magnet
attracting and holding metals. Water without the
hardness minerals (soft water) flows out of the
softener and into the house soft water pipes.

E]FILL: Salt, dissolved
in water, is called brine.
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
used since the last regeneration.
As you use more
watec fill time increases so more brine is made.
The greater amount of brine cleans more hardness
minerals from the resin bed.

After a period of time, the resin beads become
coated with hardness minerals and they have to be
cleaned. This cleaning is called regeneration or
recharge. Regeneration is started at 2:00 a.m. by
the electronic timer (see page 13). It takes place in
5 stages or cycles. These are:
[]
[]
[]

FILL
BRINING
BRINE RINSE

AND REGENERATION

WATER FLOW THROUGH
SOFTENER IN FILL

BACKWASH
FAST RINSE

WATER FLOW THROUGH
SOFTENER IN SERVICE

Hard Water
IN
Soft Water
OUT

Salt Storage
Tank

HOW YOUR WATER SOFTENER

SOFT WATER SERVICE

AND REGENERATION
WATER FLOW THROUGH THE
SOFTENER IN BACKWASH

[_BRINING: During brining, the brine is moved
from the salt storage area, into the resin 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:

-- the amount of resin in the softener,
-- how fast the brine goes through the bed.

The nozzle and venturi (FIG. 6) make suction to
take brine fi'om the salt tank and put it into the
resin tank. They keel) the brine flow down to a
very slow rate to get the best resin cleaning with
the least salt.

[] BRINE RINSE: After all of the brine goes into the
resin tank, the brine valve closes. Water keeps
flowing the same way it did during brining except
the brine flow has stopped. Hardness minerals
and brine flush from the resin tank to the drain.
Brining and brine rinse together vary in length 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).

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.

WATER FLOW THROUGH THE
SOFTENER IN FAST RINSE

Brine Valve
Brine

[] BACKWASH: During backwash, water flows I_P
through the resin tank (FIG. 7) at a fast rate to flush
iron minerals, dirt and sediments from the bed and
to the drain. The bed lifts and expands fbr good
cleaning.

SOFT WATER SERVICE

AND REGENERATION

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 fbr 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 change this time...
see page 7), a time when not much water is used.

Two main parts of the softener's electronics
a WATER METER, and [] a COMPUTER.

[] WATER METER -- 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 -- The computer is pml 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 to provide you with soft
water fbr the longest time, at the most efficient salt
usage.
Softening capacity is used as hard water goes
through the softener and hardness minerals are
removed. 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. RECI_IARGE TONIGI_ITdisplays until
the regeneration begins. When the regeneration
begins, TONIGHT goes off and RECHARGE NOW
flashes during the 2 hour regeneration.

CARE OF YOUR SOFTENER

SALT...REFILLING

WHEN TO REFILL WITH SALT: Check the salt
level a few weeks after you install the softener and
every week after that. Refill when the storage
tank is about 1/3 full. Never let the softener use
all the salt beff)re refilling. Without salt, you will
soon have hard water.

You will have a loss in softening
capacity
and
may
get partly
hard
water
if less
than
10
inches
of salt is in the storage
tank.

PLEASE SEE PAGE 9 FOR SALT FILLING DIRECTIONS.

Sometimes, a hard crust or salt bridge forms in the
salt storage tank. It is usually caused by high
humidity or the wrong kind 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.

If the wrong kind of salt made the bridge, take it
out. Then fill the tank with nugget or pellet salt
only.

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 following is the best way to
check for a salt bridge.

push tool into salt
bridge to break

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, 1" or 2" below the top height
of the rim, as shown. 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.

CARE OF YOUR SOFTENER

THE WATER SOFTENER

To keep your new Sears 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 AND VENTURI

A clean nozzle and venturi (FIG. 10) is a must for
the softener to work right. This small unit moves
brine fi'om 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 haM water.

Carefully replace
all l)m_s in
Lubricate the o-ring seal with
Vaseline and place in position.
the cap, by hand only. Do not
break the cap or housing.

Screen __
Support
Screen
Venluri
Nozzle & _O
Gasket
*Flow Plug
(HVDC)
_
Nozz. & Vent.
Housing

the correct order.
silicone grease or
Install and tighten
over-tighten
and

*INSTALL WITH
NUMBERED SIDE UP
CONCAVE SIDE DOWN.

IRON FROM THE RESIN BED
Your water softener takes hardness
minerals
(calcium and magnesium) out of the water. Also, it
can control some "clear water" iron. See maximum
allowed in the specifications on page 18. 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 maximum of clear

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, holding the housing tightly with 1
hand, turn the cap off. DO NOT LOSE THE IARGE
O-RING 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 sman brush to remove iron or dirt.
Also check and clean the gasket.

water iron, an iron filter or other equipment is
needed. Your local Sears store has trained people
to help you with iron water problems.
If your water supply has clear water iron, even
though less than the maxinmm allowed, regular
resin bed cleaning is needed. Sears has resin bed
cleaner, Stock No. 42-34426 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.

ABOUT
CLEANING
AND MAINTAINING
FREE, NUMBER 1-800-426-9345.

CARE OF YOUR SOFTENER

If the softener
(summer
all water
To drain
1.

KEEP THE SOFTENER

cabin, lake home,
etc.),
from it to stop possible
the softener:

DRAIN WATER FROM THE
SOFTENER

you must drain
freeze damage.

tank.
2. Open a faucet in the soft water pipes to vent
pressure in the softener.
o

If a single bypass valve is installed, move the
stem into bypass. See FIG. 12 on page 18. In a
3-valve bypass system, close the inlet and
outlet valve and open the bypass valve. If you
want water in the house pipes again, reopen
the shut-off valve on the main water pipe.

Unplug the transformer at the wall outlet.
Remove the salt hole cover and the main
cover. Take off both drain hoses.
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.

Remove the brinewen
cover and disconnect
the brine valve tubing at the nozzle and venturi
assembly (see page 23). Lift the brine valve out
of the brinewell.
Tip the brine valve upside
down to drain out water.

Looking at FIG. 11, lay a piece of 2 inch thick
board near the floor drain. Move the softener
close to the drain. SLOWIX and CAREFULIX
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.
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 dim bugs, etc. out.

CARE OF YOUR SOFTENER

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 have to call and wait for service. If, after making the checks, your softener still does
not work right, call your Sears Service Department,
or call toll free, number 1-800-426-9345
for telephone
assistance.

NOTE:
Also read ERROR CODE, page 10. If an error code is trot dispIayed, press and bold the SELECT button until
(example: 000- -) shows in the display. Then, press SELECT again and bold until an SR code appears. It
must show SR21. If any other SR number shows, the softener computer is working on incorrect input and
would probably be the cause of the problem. To set SR21, press either the UP {_)r DOWN {_utton. Then
press select to return a flashing 12:00 AM display, and reset the timer, page 6.
PROBLEM
NO SOFT WATER

CAUSE
No salt (or salt bridged) in the storage tank

CORRECTION
Refill with salt, or break the salt bridge (page
14). 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
3ower 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 10.

WATER HARD SOMETIMES

Manual bypass valve(s) in bypass position

Look at FIG. 12 on page 18. Move the stem
in a single valve to service. In a 3-valve
bypass, open the inlet and outlet valves, and
be sure to fully close the bypass valve.

Dirty, plugged or damaged nozzle & venturi

Take apart and clean or replace damaged
parts (see page 15).

Valve drain hose plugged

The drain hose must not have kinks, sharp
bends, or be raised too high above the
softener (see page 16 in your installation
manual).
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.

Hardness number setting too low

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 13).

Increase in the grains of hardness in your
water supply

Ask your Sears retail or catalog store for a
new water analysis. Then make a new
hardness number setting (page 7).

OTHER
TH,NGS
TOKNOW

DIMENSIONS/SPECIFICATIONS

BYPASS VALVES
SINGLE-PLASTIC

PULL STEM
OUTWARD
FOR
SERVICE

A
3-VALVE
Bypass
Valve
SERVICE
Close Bypass Valve
Open Inlet & Outlet Valves

Outlet
Inlet
Valve

BYPASS
Open Bypass Valve
Close Inlet & Outlet Valves

MODEL NO. 625.3484400

Salt Tank Height

Resin Tank Diameter (nominal)

Resin Tank Height (nominal)

Inlet-Outlet Height

F 1 Length
F2 Width

Distance between inlet-outlet
center lines

AND 625.3484500

TIMER SR CODE SR21

flow rate/pressure

loss perfbrmance
specifications.
Performance
specifications
are validated by the Water Quality
tion (WQA). The rating decal is located on the rim, under the salt hole cover (see page 28).
WATER

MINIMUM
WATER SYSTEM FLOW (gpm)
MINIMUM-MAXIMUM
WATER PRESSURE
MAXIMUM
WATER TEMPERATURE
(°F)
MAXIMUM
WATER HARDNESS
(gpg)
MAXMUM
"CLEAR WATER" IRON (ppm)

OTHERS
3
20-120
120
90*
5

TYPE OF ION EXCHANGE
MATERIAL
(resin)
AMOUNT
OF RESIN (cu.ft.)
REGENERATION
(RECHARGE)
CYCLE TIME
FILL
BRINING/BRINE
RINSE
BACKWASH
FAST RINSE
TOTAL REGENERATION
TIME

TYPE OF SALT NEEDED
ALTERNATE
TYPE OF SALT

Pure, evaporated,
water

Nugget/Pellet
compacted
softener salt

*Do not exceed this number when setting hardness
page 7. The maximum
setting available is 95.

gpm = gallons per minute
gpg = grains per gallon

High Capacity
.77
(min.)
9-21
48-71
7
3
73-108

psi = pounds per square inch
ppm = parts per million

TECH. INFORMATION

TROUBLESHOOTING

Keep this manual
with your
water
softener.
If repairs
are needed,
the service technician
must
the information
on the following
pages. For telephone
assistance,
call toll free, 1-800-426-9345.

TRANSFORMER
24VAC

POSITION SWITCH
O
NO

Kenmor_
k_kte_
Wl_Dmmm4__

SELECT button
- NOW)

ALWAYS MAKE THESE INITIAL CHECKS FIRST

REMOVE THE TOP COVER AND SALT TANK COVER

Is the brine
diagrams).

Is the brine xalve float set right? (See page 22).

the tilne (lisl?lay show

the Colwect time of day?

- If display is [)lank, check power source to the
softener.
- If time is flashing, power was offfor over 6 hours. The
softener resurnes normal operation but regenerations
occur at the wrong tirne.
- If an error code (Example: En 03) shows in the time
plate display, go to A[ TOMATIC ELECTRONIC I)IAGNOSTICS.
2o

Plumbing
position.

The inlet an(] outlet pipes InLIStCoilnec[ tO tile
valve inlet and outlet respectively.

must be in Full Service
softener

The xalve (]rain hose InklSt De free ()f kinks and sharp
bends, and not elevated over 8 ft. above the floor.

transforlller
plugged into a "live", grounded
outlet, and is the po\\er cable fastened securely?

salt in the storage
tubing

Press the SELEC£ button 2 times to display fl:e 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 SELE(71' twice more to return the time of day
display.

If you do not find the problem after inaking initial checks,
do tile M)U\q :2,tLINITIATEI) ELECIt\O: ,IC I)IAGNOSTICS,
and the MAN[ AL AI)VANCE REGENERATION CItECK.

TECH. INFORMATION

TROUBLESHOOTING

The chm_ below shows the error codes that couM
appear, and the possible defects for each code.

The face plate
computer
has a self-diagnostic
function
f_)r the electrical
system
(except
input
power
and water
n__ete O. The

While an error code appears in the display, all face
plate buttons arc inoperable except the SELECT
button. The SELECT button remains operational
so the service person can make the MANUAL
INITIATE ELECTRONIC DIAGNOSTICS to further
isolate the defect, and check the water meter.

computer
monitors
the electronic
_=_ j Wz-!
components
and circuits
f_)r correct operation.
If a malfunction
occurs,
an error
code appears
in the face plate display.

POSSIBLE DEFECT
CODE

motor inoperative / wiring harness or connection to switch / position switch / face plate

motor inoperative / face plate

face plate / position switch

PROCEDURE
FOR REMOVING ERROR CODE FROM FACE PLATE: 1. ( nplug transformer
transformer 4. _,ait for 6 minutes. The error code will return if the defect was not corrected.

MANUAL
NOSTICS
°

2. Correct defect

To enter diagnostics,
press and hold the SELECT button until 000 - - shows in the display.

POSITION
SWITCH

-T--T,-or
WATER

The first 3 digits indicate
tion as follows:

RBINE
SUPPORT AND
SHAFT

000 (sleady)
Soft water not in use, and no
flow through the meter.
--OPEN A NEARBY SOFT WATER FAUCET-000 to 199 (contil_ual)
= R_:peats display for
each gallon of water passing through the meter.

If you don't get a reading in the display, with the
faucet open, pull the sensor from the valve outlet
port. Pass a small magnet back and forth in fi'ont of
the sensor. You should get a reading in the display.
If you get a reading, unhook the h_ and oul
plumbing and check the turbine for binding.

The letter
POSITION
pears, the
the switch

(P) and dash (or dashes) indicate
switch operation. If the letter apswitch is closed. If the dash shows,
is open.

Use the ON/OFF-HOLD (Recharge Now) button to manually advance the valve into each
cycle and check correct switch operation.

SECTION 5
5A.
CORRECT
SWITCH
DISPLAYS

TROUBLESHOOTING
°

Press the SELECT button and hold 3 seconds
until...

VALVE CYCLE STATUS
Valve in service, fill, brining, backwash or fast rinse position

TECH. INFORMATION

Valve rotating from one position to
another

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.

While in this diagnostic screen, the following
iMormation 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.

Return
the present
SELECT button.

-- Press {_to display the number of days this
face plate has had electrical power applied.

Change
the SR number:
Press the [_UP or
DOWN []button
to display correct number. Press
SELECT, and reset the timer.

-- Press []
tO display the number of regenerations initiated by this face plate since the SR
code number was entered.

NOTE:
If the face plate is left in a diagnostic display (or a flashing
disl)lay when setting tilnes or hardness), present time
automatically returns if a button is not pressed within q
[minutes.

FACE PLATE REPLACEMENT: Be sure the
service
position
(observe
valve
cycle
when replacing
tile lace plate.

valve is in
indicator)

If, after installing and programming the replacement face
plate, 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 MAN[ AL ADVANCE procedures, page 22. With
the RECttARGE NOW button, advance through the recharge cycles until the valve stops in service position,
and RECItARGE no longer flashes in the timer.
NOTE: The valve motor may automatically drive through
several valve positions while searching for service. If an
elror code occurs, unplug the transformer, then plug in
again

TROUBLESHOOTING

MANUAL ADVANCE REGENERATION

NOTE: If water system pressure is low, an
elevated drain hose may cause back pressure,
stopping brine draw.

This check verifies l)roper 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/OFF-HOLD
to move the
softener into backwash. Look for a fast flow of
water from the drain hose.

NOTE: The fa_e plate display must show a steady
time (not flashing).

An obstructed
flow indicates
a plugged top
distributor, backwash flow plug, or drain hose.

1. Press the ON/OFF-HOLD button and bold in
jor3 secc)l_ds. RECHARGE NOW begins to
flash as the softener enters the fill cycle of
regeneration.
Remove the brinewell cover
and, using a flashlight, observe fill water
entering the tank.

A. If it does not enter the tank, look for an obstructed nozzle, venturi, fill flow plug, brine
tubing, or brine valve riser pipe.

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 brining cycle test.
Press

0.1 (1.1 liters)
.16 (.6 liters)

BRINE RINSE
BACKWASH
BRINING
FAST RINSE

.11 (.4 liters)
1.8 (6.8 liters)

BRINE VALVE
FLOAT SETTING

FILL (flow to salt storage tank)

(flow to drain)

CYCLE FLOW RATES (GALLONS

TECH. INFORMATION

1.8 (6.8 liters)

2. After observing fill, press the ON/OFF-HOLD
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
shining a flashlight into the brinewell and
observing a noticeable drop in the liquid level.

NOTE: Be sure a salt bridge is not preventing
water with salt contact.

FREEBOARD MEASUREMENT
Distance from top of resin tank, to top of resin bed.

A. If the softener does not draw brine:
- nozzle and/or venturi dilty or defective.
- nozzle and venturi not seated properly on
gasket.
- restricted drain (check drain fitting and
hose).
- defective nozzle and venturi seal.
- other inner valve defect (rotor seal, rotor &
disc, wave washer, etc.).

TECH. INFORMATION

ROTARY VALVE SERVICE

BEFORE TIGHTENING
THE SCREWS, INSTALL
THE VALVE CAM AND GEAR. THEN TURN THE
ROTOR (CLOCKWISE ONLY) TO SERVICE POSITION. Tighten
the screws
using a criss-cross
pattern. If a torque wrench is available, torque to
30-40 inch pounds.

Before working
on the valve, turn off the water
supply
and disconnect
from
electrical
power.
TO RELIEVE PRESSURE:

- 3 VAINE 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) towaM the backside of
the valve to allow pressure water to bleed out.
Catch the water with a rag.

valve0am
DISASSEMBLY

To remove a pal1 or group of palts, refer to the
valve drawing.
A common
screwdriver
or nut
driver, Phillips screwdriver
and pliers are the only
tools needed to completely
disassemble.
SERVICING
Inspect
defects.

SEE NOZZLE
ASSEMBLY SERVICE,
SECTION 3

seals and gaskets

flow
and plug
fast (backwash
rinse flow

Inspect the bottom surface of the rotor and disc for
scratches, chips or wear.

NOTE: If replacement is needed,
the current replacement part.

be sure to use
rotor seal

nozzle &
venturi seal

Be sure all pm_s are in place and in the proper
position. Lubricate ALLo-rings and seals with FDA
approved silicone grease. To install the rotor seal,
first place the seal into the valve groove, rounded
side down (see cross-section).
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
Assemble
rotor and
the valve

Lubricate the gear on the motor, and the valve cam
gear with Molykote grease, or other high quality
gear lubricant.

nozzle and venturi seal and drain seal.
2 o-rings and the wave washer onto the
disc. Then center the rotor and disc, in
body, on the rotor seal.

Be sure to orient
toward the cam.

Lower the cover onto the valve body and rotor
shaft. Then install the cover holding screws.

5C. WATER FLOW THROUGH

TECH. INFORMATION

INLET
WATER)
VALVE OUTLET
(SOFT

TOP
DISTRIBUTOR

POSITION
SWITCH

IL RESIN
:IESIN\
BED
"?"

_ BOTTOM
DISTRIBUTOR
Hard water enters the valve inlet port. Internal valve potting routes the water
down and out the lop distributor,
into lhe resin tank. Hard water is softened
as it passes through the resin bed, then enters lhe bouom dislributor.
Sofl
water flows back into the valve and out the valve outlet, k) the house soft
water pipes.

FILL CYCLE
POSITION
SWITCH
VENTURI

VALVE CAM
ROTOR & DISC

FILL FLOW
PLUG
FILL WATER
(SOFT)
VALVE OUTLET"
(SOFT WATER

VALVE INLET
(HARD WATER)
POSITION

To begin a regeneration,
the electronic
limc_r energizes the circuit 1o the valve
motor. The valve motor rotates d?e rotor and disc and the valve can? until the
position swik'h lever drops to ()pet? the motor circuit, when ll?e valve reaches
FILL position. As the rotor and dis(: rotates, lhe po_l opens for SOFT water fill
through
the venturi. Fill flow continues
to the brine valve, and into the salt
slorage tank. Soft water is still available to the house lines.

WATER FLOW THROUGH

TECH. INFORMATION

AND BRINE RINSE CYCLES

ROTOR & DISC
VENTURI
VALVE
OUTLET
(BYPASS
WATER)
\
DRAIN

INLET
(HARD WATER)

BRINE
FROM SALT
STORAGE
TANK

TOP
DISTRIBUTOR
_.

After fill,
timeriswilchaction allows dam motor to turn dam rotor and disc into
BRINING position.
Water flow is directed to the nozzle. Suction, crealed by the
nozzle and vemuri, draws brine from the salt slorage tank and injects it into the resin
bed via the bottom distributor.
Flow continues
out the top distribulor
and to llle
drain. Hard water is available at the valve outlet.
When the brine valve closes to end brine dra_ _, water flow continues
directions
to slowl 3 RINSE brine from the resin bed and to the drain.

BACKWASH
ROTOR & DISC

Timeriswilch
action again allows the motor to turn the
rotor & dis(: to place the valve in BACK_gtSH, stopping
water flow to the nozzle. Wmcr is routed down and out
file b(mom distribulor,
up fl?rough the bed, and out file
lop distributor lo the drain. The fast flow (controlled
by
a flow plug in lhe drain fitting) flushes dirt, sediments,
iron deposits,
remaining
brine and hardness
to the
drain.

WATER FLOW THROUGH

TECH. INFORMATION

ROTOR & DISC
POSITION SWITCH

BOTTOM
DISTRIBUTOR

During FAST RINSE, tile rotor & disc is positioned
st) water flow enters tile
resin tank through
the top distributor,
and exits through
the bottom
distributor,
t() the drain.
The solid state timer again energizes
the motor to relurn the valve to
service,
and as the valve rotalcs, the position switch lever drops to open the
circuit. The valve remains positioned
in service until the timer initiates the
next regeneralion.

TECH. INFORMATION
.I

SEARS WATER SOFTENERS
MODEL NOS. 625.3484400
AND 625.3484500

SOFTENER
ASSEMBLY

Cover (main)
Salt Hole Cover

Wire Harness (switch)

Power Cord (transformer)

Timer Repl. (PWA)

7137620
7137670
7141475

Face Plate (order req'd decal)
Face Plate Decal, Mod 625.3484400
Face Plate Decal, Mod 625.3484500

Brinewell Cover

Wing Nut, 1/4"
Brinewell

Salt Storage Tank

Screw, Plastic, 1/4" x 5/8"

Hose Adaptor O,&

Brine Valve Assy. (also see pg. 29)

Replacement Distributor
Resin

Resin Tank (Incl. Key No. 18)

O-Ring, 2-3/4" x 3"

Top Distributor

O-Ring, 13/16" x 1-1/16"

O-Ring, 2-7/8" x 3-1/4"

Clamp Section (2 req.)

Clamp Retainer (2 req.)

Transformer, 24V- 10VA O,&

Installation manual

not illustrated
O,A

Included in parts bags. See page 31.

SEARS WATER SOFTENERS
MODEL NOS. 625.3484400
AND 625.3484500

BRINE VALVE
ASSEMBLY

Float Stop
Float

Float Rod & Stem

O-Ring 15/16 x 1-3/16
Seal

Retainer, Bottom Seal

Brine Valve Body

O-Ring, 5/16 x 9/16
Brine Tube

Tubing Assy. (Incl. Key Nos. 43, 44
& 45)

Ground Clamp Kit OA

INLET - OUTLET
GROUNDING CLAMPS

Included in parts bag. See page 31.

SEARS WATER SOFTENERS
MODEL NOS. 625.3484400
AND 625.3484500

BRINE- 77
TUBING

SEARS WATER SOFTENERS
MODEL NOS. 625.3484400
AND 625.3484500
PARTS LIST
KEY
NO.

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
7133008
0900857
7117808
0503288
7113927
7142942
0501228
0900041
7024160
0900431
7116713
0507369
0507615
0900570
42-3441
0507371
0900535
7134224
7092634
7092642
7129889
7081764
7082053
0900064
7081201
7081104
1202600
7089267
0521829

79
80
81
82
83
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
•

7113024
7090705
7089893
7039068
7081188
9001006
7103964
7082087
7064372
7064380
7085263
7074123
7077472
7030713
7117816
7070412
7097171
2204101
7117858
9000803
7085239

Screw, #6-20 x 7/8 (2 req.)
Motor (incl. 2 ea. of Key No. 50)
Screw, #6-20 x 3/8 (2 req.)
Motor Plate
Bearing
Cam and Gear
Clip (Drain)
Flow Plug
O-Ring, 5/8 x 13/16
Drain Hose Adaptor
Hose Clamp O•
Clip (2 req.) O•
Installation Nut (2 req.) •
Installation Tube (2 req.) •
Washer (2 req.) •
Install. Kit (incl. Key Nos. 62, 63 & 64)
Installation Adaptor (2 req.) O_
O-Ring, 15/16 x 1-3/16 (2 req.) O_
Rotor Seal
O-Ring, 3/8 x 9/16
Plug (Drain Seal)
Spring
Seal (Nozzle & Venturi)
Valve Body
O-Ring, 1/4 x 3/8 (2 req.)
Retainer (Nozzle & Venturi)
Nozzle & Venturi Housing
Nut - Ferrule
Tubing
Flow Plug, .1 gpm

PART OR ASSEMBLY
625.3484500

INCLUDED WITH MODEL NO.

PARTS INCLUDED WITH MODEL NO. 625.3484400

BYPASS INSTALLATION
MODEL NO. 625.34372

DESCRIPTION
Nozzle and Venturi -- Gasket Kit
Screen
Screen Support
O-Ring, 3/8 x 1-3/8
Cap
O-Ring, 3-3/8 x 3-5/8
Rotor & Disc
Wave Washer
O-Ring, 3/4 x 15/16
O-Ring, 7/16 x 5/8
Valve Cover
Screw, #10-14 x 2 (5 req.)
Expansion Pin
Switch
Spacer
Screw, #4-24 x 1-1/8 (flat head)
Sensor Housing
Turbine Support and Shaft
Turbine
O-Ring
Nozzle & Venturi Assy. (incl. Key
Nos. 75, and 78 through 83)
Parts Bag, Model No. 625.3484400
(incl. parts marked with a O, pages
28, 29 & 31 ) -- order manuals separately, if needed.
Parts Bag, Model No. 625.3484500
(incl. parts marked with a A, pages
28, 29 & 31 ) -- order manuals separately, if needed.
Seal Kit (incl. Key Nos. 67, 68, 71,
84, 87 and 88)
Drain Hose, 3/8" I.D. x 20' [_

not illustrated

PART
NUMBER
0502206

7105013
7130911
0900535

Retainer Ring
Bypass Body

O-Ring, 13/16 x 1 (4 req.)
Stem
O-Ring, 15/16 x 1-3/16 (2 req.)
Bypass Valve (Complete) •[_

_ARS
OWNERS
MANUAL

MODEL NOS.
625.3484400
625.3484500

To Call
Toll Free
For Service:
1-800-4-RE PAl R
(1-800-473-7247)

For Parts:
1-800-FON-PARTS
(1-800-366-7278)

Kenmore
WATER SOFTENER

The model number of your water softener is found
on the rating decal. This decal is on the rim, under
the salt hole cover.
All repair parts are available for immediate purchase or special order when you visit your nearest Sears Service Center, or the Service Department at most Sears Stores. To request service or
order parts by phone, call the toll free numbers
listed to the left.
When requesting service or ordering repair parts,
always provide the following information:
Product Type
Model Number
_, Part Number
_, Part Description

Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
7147811 ( R.7/95 )

_ARS
OWNERS
MANUAL

MODEL NO.
625.34

For the repair or replacement

Call 7 am - 7 pm, 7 days a week

1 - 800 - 366 - PART
(1 - 800 - 366 - 7278)

The model number
of
your water softener
is
found on the rating decal. This decal is on the

major brand repair service

Call 24 hours a day, 7 days a week

1 - 800 - 4 - REPAIR
(1 - 800 - 473 - 7247)

rim, under the salt cover.
For the location
Sears Repair Service

When requesting service
or ordering parts, always
provide the following information:
_I,
_I,
_I,
_I,

Product Type
Model Number
Part Number
Part Description

Call 24 hours a day, 7 days a week

1 - 800 - 488 - 1222
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

Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.

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