Kenmore 625.38845 User Manual

OWNER’S

MANUAL

MODEL NOS.

625.388400

625.388450

Caution:

Read and Follow
All Safety Rules and
Operating Instructions

Before First Use of
This Product.

If you have questions when
installing, operating or main

taining your softener, and
when setting the timer, call
this toll-free number...

KGnmorG

UltraSoft 400 Water Softener

with High Performance Valve

♦ Warranty
♦ Start Up / Setting Timer

1-800-426-9345

♦ How It Works
♦ Care Of

www.KenmoreWater.com

♦ Specifications

SAVE THIS MANUAL

I Sears, Roebuck and Co., 3333 Beverly Road, Hoffman Estates, IL 60179 USA

PRINTED IN U.S.A. 7231775 (Rev. N 6/3/02)

♦ Repair Parts

Use the plastic bag and tie provided, to hang manuals

nearby the softener for future reference.

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SEARS RESIDENTIAL WATER SOFTENER

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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.

For a period of three years from date of purchase, Sears will replace the BRINE
TANK LIGHT, ELECTRONIC BOARD, SENSOR HOUSING, WIRING HARNESS,
TRANSFORMER, MICRO SWITCH, DRIVE MOTOR, OR POWER CABLE,
should they be defective in material or workmanship.

Forten 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 war

ranty 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.

FULL ONE YEAR WARRANTY ON WATER SOFTENER

FULL THREE YEAR ELECTRONICS WARRANTY

FULL TEN YEAR WARRANTY AGAINST LEAKS

Sears, Roebuck and Co., D/817 WA, Hoffman Estates, IL 60179

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

AU installation labor arranged by Sears shall be per
formed in a neat, workmanlike manner in accor
dance with generally accepted trade practices. Fur
ther, aU installations shall comply with all local
laws, codes, regulations, and ordinances. Customer
shall also be protected, during installation, by insur
ance relating to Property Damage, Workman's

In addition to any warranty extended to you on the
Sears merchandise involved, which warranty be
comes effective the date the merchandise in
installed, should the workmanship of any Sears ar
ranged installation prove faulty within one year,
Sears wiU, upon notice from you, cause such faults
to be corrected at no additional cost to you.

SEARS INSTALLATION WARRANTY

Compensation and Public Liability.

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.t
Serial Number___________
Date Installed
Water Hardness
Iron Content
pH

_________
Water Pressure
Water Flow Rate

___________

_________

____________

_Taste And/Or Odor

_

_Grains Per Gallon

Parts Per Million

_Pounds/Square Inch

Gallons Per Minute

salt hole cover

rating

decal

t The model number is on the rating decal, located on the rim, under the salt hole cover.

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.......................................................

TABLE OF CONTENTS

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SECTION 1

A. Safety Gviides---------------------------------------------------­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

SECTION 2

A. Faceplate Timer Features..........................

B. Soft Water Service and Regeneration-----------------------------------------

SECTION 3

A. Salt: Refilling Storage Tank / Salt Bridge
B. Keeping The Water Softener Clean
C. Protect The Water Softener From Freezing---------------------------­D. Checklist (Not Getting Soft Water)

SECTION 4

Dimensions / Specifications ....................................

WATER SOFTENER START UP

--------------------------

.........................................

HOW YOUR WATER SOFTENER WORKS

CARE OF YOUR WATER SOFTENER

ABOUT YOUR WATER SOFTENER

---------.............

...............................................

-----------------------------

........................................

-------------------

-----------------

....................

........

PAGE NO.

1-1

1-2

1-3,1^

1-5

1-6

2-1,2-2

2-3,2-5

3-1
3-2
3-3
3-4

4-1,4-2

SECTION 5

A. Troubleshooting
B. Rotary Valve Service

C. Water Flow Through The Softener Valve

-------------

SECTION 6

A. Water Softener Complete
B. Brine Valve Assembly
C. Valve Assembly

-----------------------------------------

SERVICE TECH. INFORMATION

-----------

................................................

REPAIR PARTS FOR WATER SOFTENER

-----------------

---------------------------------------- -----------------

B

------------------------------

..............

......................

-------------------------------------

..........

------------------------

5-1 to 5-4

5-5

5-6 to 5-8

6-1, 6-2

6-3, 6-4

6-5, 6-6

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SECTION 1

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WATER SOFTENER START UP

A. SAFETY GUIDES

A 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.

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A Your water softener will remove hardness minerals

and “clear water” iron from water, up to the limits
shown on page 4-1. It will not remove other types of

iron, acids, tastes and odors, etc. It will not purify pol
luted water or make it safe to drink.

A Protect the softener and piping from freezing. Dam

age from freezing voids the softener warranty. See
page 3-3.

CAUTIONS

PLEASE READ AND COMPLY WITH THE FOLLOWING
GUIDES TO PREVENT DAMAGE TO THE SOFTENER
OR OTHER PROPERTY, PERSONAL INJURY, OR
POSSIBLE FATAL SHOCK.

A THIS SOFTENER WORKS ON 24 VOLTS ONLY. BE

SURE TO USE ONLY THE TRANSFORMER IN
CLUDED, AND PLUG IT INTO A HOUSEHOLD 120V
OUTLET. IF TRANSFORMER IS REPLACED, USE
ONLY THE AUTHORIZED SERVICE CLASS, II, 24
VOLT, 10 VA TRANSFORMER.

A Unplug the transformer right away if the power

cable should become damaged or frayed. Make re

pairs before plugging back into the power outlet.

A Always unplug the softener from electrical power

before removing outer valve covers.

A This system is not intended to be used for treating

water that is microbiologically unsafe or of unknown
quality without adequate disinfection before or after
the system.

1 - 1

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

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; SECTION 1

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WATER SOFTENER START UP

B. CHECK LIST OF STEP-BY-STEP GUIDES TO INSTALL

To be sure you have done all the steps to install the
softener, read the following Ust. Refer to the Installa
tion Manual, part no. 7231741, for step-by-step
guides.

Page numbers referred to are in the Installation
Manual unless otherwise noted.

Is the house water flow going INTO the softener
valve INLET? Trace piping to be sure. See pages

2- 4 and 2-5.
Is the plumbing bypass valve (or 3 valves) set for

SERVICE? Bypass valve(s) should always re
main in soft water service position. Position in
"bypass" only if needed for softener repairs. See
FIG. 14, page 4-1 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 3-5 in the
installation manual.

Page numbers referred to are in the Installation

Manual unless otherwise noted.

FIG. 1

3-vaive

Is the softener power cable connected to the
transformer? Is the transformer plugged into an
inside, 120V-60Hz electrical outlet? See pages
3- 8 and 3-9 in the installation manual, and the
wiring schematic on page 5-1 of this manual.

Be sure to restart the water heater. See page
3-9.

plastic

Bypass Valve(s)

y

NOTE: Codes in the state of Massachusetts require installation
by a licensed plumber. For installation, use plumbing code
248-CMR of the Commonwealth of Massachusetts.

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

1 - 2

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SECTION 1

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WATER SOFTENER START UP

C. PROGRAM THE TIMER

FIG. 2

salt level adjust

___________

1

display

Customer Assistance

KenmoreWater.com

signal light adjust tank light

When the transformer is plugged in, the model code
HF32, and a test number (example: A2.4) show in
the face plate display for 4 seconds. Then, 12:00 AM
and PRESENT TIME begin to flash.

ON/OFF-HOLD button UP

(Recharge Tonight-Now) button

1-800-426-9345

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SELECT

buttons

button you have pressed, telUng you to use another
button. For example, while setting the hardness
(step 2), the beeper sounds repeatedly when the dis
play reaches 1 using the DOWN button, or the high
est hardness setting using the UP button.

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PRESENT TIME

Notes:
If HF - - shows in the display, press the UP A or
DOWN V button until HF32 shows. Then, press the
SELECT 1 button to set, and change to the flashing
PRESENT TIME display.

To check the model code, unplug the transformer at

the wan outlet and plug in again, if other than HF32
shows, see page 5-3 to reset.

SOUND "BEEPER": A "beeper" sounds while
pressing buttons for timer set-up. One beep signals
a change in the face plate display. Repeated beeps
mean the timer will not accept a change from the

SET PRESENT TIME OF DAY

If the words PRESENT TIME do not show in the dis
play, press the SELECT 1 button (FIG. 2) untH 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.

If the present time is between
noon and midnight, be sure PM
shows.

If the present time is between
midnight and noon, be sure AM
shows.

Each press of the UP /DOWN buttons changes
the time by 1 minute. Holding the buttons in
changes the time rapidly.

1 - 3

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Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 1

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WATER SOFTENER START UP

C. PROGRAM THE TIMER

SET WATER HARDNESS NUMBER

■ Press the SELECT 1 button once to display 25
(flashing) and HARDNESS.

The grains per gallon (gpg) hard
ness of your water supply is on

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your water analysis report. Be
sure to enter water test results on
page A, for future reference.

If your water supply contains iron, compensate for
it by adding to the water hardness number. For ex

ample, 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 hard
ness number.

20 gpg hardness

2 ppm iron X 5 = 10

(times)

+10

30 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).

Note:
Between 1 and 25, each press of the UP / DOWN
button changes the display by 1. Between 25 and
the highest number, the display changes 5 at a
time... 25,30,35, etc. Holding the UP or DOWN bu t­ton in changes the display twice each second.

01 SET RECHARGE (REGENERATION) TIME

generation (see pages 2- 4 and 2- 5) at 2:00 AM, end
ing no later than 4:00 AM. This is a good time in
most households because water is not being used
(see Automatic Bypass, page 2-6). If a different re
charge time setting would be better for your house
hold, do the following.

■ Press the UP / DOWN buttons to set the desired
recharge starting hour. Be sure to observe the AM­PM as you did when setting the present time of day.

Note:
Each press of the UP / DOWN buttons changes the

display one hour. Holding the buttons in changes

the display twice each second.

IQ SET SALT TYPE (sodium chloride or potas

sium chloride, see page 1-6):

■ Press the SELECT 1 button to display nACl, the
default setting.

S/U.TVOM0.

If you want to use potassium
chloride (KQ) instead of stan
dard sodium chloride (NaCl)
water softener salt, be sure to set
KCl in the display using the UP

button. The KCl setting adjusts

regeneration cycle times to com
pensate for the variable dissolv

ing rate of potassium chloride.

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■ Press the SELECT button once again, to com
plete initial programming, and RECHARGE TO
NIGHT shows in the display.

■ Press the SELECT 1 button to display 2.00 AM
(flashing) and RECHARGE TIME.

At the 2:00 AM recharge time
setting, the softener begins re-

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IF YOU NEED HELP PROGRAMMING THE TIMER, CALL TOLL FREE,

NUMBER 1-800-426-9345.

www.Kenmore Water, com

SEE PAGES 2-1, 2-2 AND 2-3 FOR OTHER FACE PLATE TIMER FEATURES.

Problems^ Questions? Call 1-800-426-9345 Kenmore Water Line

RECHARGE TONIQHI

1 - 4

SECTION 1

D. SANITIZE THE WATER SOFTENER

WATER SOFTENER START UP

Care is taken at the factory to keep your water soft
ener 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
tWs reason, sanitizing as follows is suggested®
when installing.

The first time you sanitize your softener, be sure
to do all steps in the installation manual, and on
pages 1-2,1-3 and 1-4 of this manual first.

Lift the salt hole cover and use a pah to fill the

salt storage tank with up to 3 gallons of water
(approximately 3 inches).

Remove the brineweU cover (FIG. 3) and pour
about 3/4 ounce, or 1 to 2 tablespoons, of com

mon 5.25%, unscented, household bleach (Clo­rox, Linco, BoPeep, White Sail, Eagle, etc.) in the
softener brinewell. Replace the brineweU cover.

Q Open the bypass valve and press the ON/OFF-

HOLD button and hold for 3 seconds to start a re
charge. This first recharge does several things.

FIG.3

• It draws the bleach into and through the softener

to sanitize it.

• It fills the salt tank to the water level needed.

• It gets all the air out of the resin tank.

• It prepares the resin bed (see page 2-4) for ser
vice and flushes residual chlorine from the soften
er.

Notes:
This recharge takes about 2 hours, depending on the
salt type setting (page 1-4).

You can sanitize the softener with or without salt
in the storage tank.

Recommended by the Water Quality Association. On some
water supplies, the water softener may need periodic
disinfecting.

1 - 5

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 1

WATER SOFTENER START UP

E. 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 salt in the tank, but it is not

necessary to keep it full. In humid areas, it is best
to fiU the storage tank one quarter to one half fuU,
and to refill it more often. Salt bridging (see page
3-1) occurs more often when conditions are humid.

FiU. the tank with NUGGET or PELLET water soft

ener 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 4-1. Be sure to set the salt monitor

system (see page 2-1).

POTASSIUM CHLORIDE, alternate to salt: The de

sign of this softener allows for the use of potassium
chloride in place of salt (sodium chloride).

1) Place only one bag of KCl in your softener at a
time (the salt storage tank should contain no more
than 60 pounds of KCl at any one tíme).

2) A softener using KCl should not be placed in
areas with temperature fluctuations and high hu
midity (KCl wiU harden in these environments and
may make the softener inoperable).

3) Check the brine tank and brinewell (black tube in
salt storage tank) monthly. If hardening is present,
pour small amounts of warm water on hardened
areas until they loosen.

4) If you do use potassium chloride, see page 1-4 to
set the timer for its use.

Note: The salt monitor system, page 2-1, is cali
brated to the density of nugget or pellet water soft
ener salt. The monitor will not work as accurately
with other types of salt including rock and solar.

WATER SOFTENING SALT WITH IRON REMOV

ING ADDITIVES — Some salts have an additive to

help the softener handle iron in the water supply.
These salts may be used if your water supply has a
high iron content. It is recommended to use Sears
Resin Bed Cleaner 42- 34426, for periodic treatments
to keep your resin bed clean. This is available at
your local Sears store.

FIG. 4

brinewell
cover

brinewell

salt

storage

tank

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. 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 so
dium. That is equivalent to eating 2-1/2 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 contami
nants.

1 - 6

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

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SECTION 2

HOW YOUR WATER SOFTENER WORKS

A. FACEPLATE TIMER FEATURES

^ EXTRA RECHARGE

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^ RECHARGE NOW

Press the ON/OFF-HOLD but
ton and hold until ^RECHARGE
NOW, Serv and Fill begin to flash
in the display. Upon reaching
fiU, the first cycle of regenera
tion, the flashing Serv turns off and FiU is on steady.
RECHARGE continues to flash. This regeneration
win last for about 2 hours. After the 2 hours, you will
have soft water again.

*Note:
If the CLEAN feature is set to ON, a cleaning back
wash {CLEAN and Bkwsh or Rinse flashes in the dis
play, along with the minutes of the clean cycle re
maining) precedes the recharge.

Sometimes, a manually started
regeneration (recharge) may be

desired, or needed. Two exam

ples are:

- You have used more water than

usual (guests visiting) and you

may run out of soft water before
the next timer started regenera
tion.

- You did not refill the softener
with salt before it was gone. After
you refill with salt:

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.

108'

^ SALT MONITOR SYSTEM

The faceplate 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:

Lift the salt hole cover and level the salt in the

storage tank.

The salt level decal, on the brinewell inside the
tank, has numbers from 0 to 8 (see drawing be
low). Observe the number the leveled salt is at

or closest to.

Now, press the SALT LEVEL ADJUST button
until black bars display up to the salt level num
ber. For example, the pictures below show the
salt level at 6.

qI Finally, set the level you want the low salt indi

cator 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 fuU. This
is the lowest you should allow the stored salt
level to drop to.

If you want to turn the salt monitor off, press the
SIGNAL LIGHT ADJUST button until OFF
shows above.

Note:
For accurate salt monitor operation, always use
nugget or pellet water softener salt. See page 1-6.

If potassium chloride is used, be sure to adjust the
timer to the KCl setting on page 1-4.

► RECHARGE TONIGHT
Press and release {do not hold) the

ON / OFF-HOLD button. RE
CHARGE TONIGHT Hashes in

the display, and the softener be
gins regeneration at the next
preset recharge time. Press and release the ON/
OFF-HOLD button once more if you decide to can
cel the regeneration, and RECHARGE TONIGHT.

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RECHAPGE TONfOHt

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

2 - 1

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SECTION 2 ijSiSjjjjjSijHOW YOUR WATER SOFTENER WORKS

A. FACEPLATE TIMER FEATURES

^ OPTIONAL SETTINGS - SALT EFFICIENCY,

CLEAN FEATURE, CLEAN FEATURE MINUTES,

MAXIMUM DAYS BETWEEN REGENERA

TIONS, 12 / 24 HOUR CLOCK and GALLONS /

LITERS:

1. To set any of the following options, press and hold

SELECT 1 for 3 seconds. Press the SELECT 1 key

and the SALT EFFICIENCY display shows. Use the
UP / Down button to change the ON / OFF dis
plays.

OFF

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aSALrEFE/aENCY; ©When this feature is ON,

the unit will operate at salt efficiencies of 4000 grains

of hardness per pound of salt or higher.

2. Press SELECT 1 again to show the CLEAN dis

play.

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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.

4. Press SELECT 1 to show the 12 HOUR display.
Continue with next step if no change is desired.

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@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.

5. Press SELECT 1 again to show the GALLONS or
LITERS display.

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B
2

1

1 C -

1 1 \LI

UTW 9

or Liter readings: Water usage and flow

displays are shown in gaUons. If you prefer to have
the same displays in liters, press the UP button until

shows.

Liter

aCEEAN; This feature is beneficial on water sup
plies containing iron and/or high amounts of sedi
ments (sand, silt, dirt, etc.). When set to ON, a back
wash and fast rinse cycle will occur first, proceeding
the normal regeneration sequence (see page 2-4).
This provides extra cleaning of the resin bed before
it is regenerated with the salt brine. To conserve wa
ter set this feature OFF if your water supply does
not contain iron or sediments.

3. Press SELECT 1 again and the CLEAN TIME dis
play shows.

Pl/FIIFVPl

- - - ­7

6
s

4

3

2

default minutes

CLEAN

example: time set to 3 minutes

_l

I M}N

^CLEAN feature minutes: If you are using this fea

ture the length of the extra backwash cycle automat
ically sets to 7 minutes. However, you can adjust
this time from 1 to 15 minutes in length. To change

6. Press SELECT 1 again to show the RECHARGE
display. ‘

£A1.T5K:WU

- - - - _ __ MM

7
6

BECHAmE

4
3
2

—

default display

example: set to
4 days maxi
mum between
regenerations

'^Maximum days between regenerations: The face
plate timer automatically controls regeneration fre
quency (see page 2-6). This provides the greatest
operating efficiency, and under most conditions,
this feature will be left in its default mode. Howev
er, modify this feature if you want to force a regen
eration every set number of days. 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 dean, set the display as typical
ly shown above. Setting is available from 1 to 15
days by using the UP and DOWN buttons.

7. Press SELECT 1 to return the present time display.

2 - 2

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

JJJJJJJJJ

SECTION 2

^•1

HOW YOUR WATER SOFTENER WORKS

► TANK LIGHT

To light the inside of the salt storage tank, press the
TANK LIGHT button on the faceplate. Press the
same button again to turn the light off, or it wdl turn
off automatically in 4 minutes.

108'

tank light ON

indicator

^ WATER FLOW THROUGH THE SOFTENER

To view the gallon (or liter) per minute water flow
rate through the softener, if not already displayed,
press the SELECT 2 button. If soft water is being
used, the flow rate to the closest 1/10 gallon (or li
ters) shows. If all faucets and water using ap
pliances are off, the display will show 0 flow.

fVEli£VEl
‘ ■

7
$

4

2

1:08-

D.Ü

FLOWRATE

^ RECHARGE TIME REMAINING and VALVE

POSITION INDICATORS

One of the valve position indicators (Serv, Fill, Brine,
Bkwsh, Rinse) is displayed while the softener is re
charging (See *Note on page 2-1 if the CLEAN fea
ture is ON). RECHARGE flashes in the display and,

beginning with Brine, the minutes of recharge re

maining 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.

valve
position
indicators

recharge

time

remaining

№

^ 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 48 hours. When electrical

power comes on again, you have to reset the present
time only if the display is flashing. The HARD

NESS and RECHARGE TIME never require reset
ting 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. Howev
er, regenerations may occur at the wrong time of
day until you reset the timer to the correct time of

day.

► AVERAGE DAILY GALLONS or LITERS

Press the SELECT 2 button again to show the aver
age number of gallons of soft water the household
uses each day. This water usage figure is adjusted
daily by the faceplate timer. To turn this display off,

press the SELECT 2 button once more.

n.nn,

HJO

8

188

AVG. DAtLY GALLONS

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

^ ERROR CODE
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 present time of day,
look at Troubleshooting page 5-2 and/or call the
Kenmore Water Line 1-800-426-9645.

&N.rSK3ALU
ABCFvn

Erri

2 - 3

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SECTION 2

B. SOFT WATER SERVICE and REGENERATION

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¡HOW YOUR WATER SOFTENER WORKS

SERVICE

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. 5). As
hard water passes through the bed, each bead at
tracts and holds the hardness minerals. This is
called ion-exchanging. It is much like a magnet at
tracting and holding metals. Water without the
hardness minerals (soft water) flows out of the soft
ener and into the house soft water pipes.After a pe
riod of time, the resin beads hold all of the hardness
minerals they can, and cleaning with salt brine is
needed. This cleaning is called regeneration or re

charge. Regeneration is started at 2:00 a.m. by the
electronic timer (see page 2-5). It takes place in 5
stages or cycles. These are:

FILL
BRINING
BRINE RINSE

BACKWASH

FAST RINSE

REGENERATION

n 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. 6. Fill cycle length depends on how much
soft water making capacity you have used since 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. 6

Water Flow Through

the Softener in Fill

soft water hard water

OUT IN

Note:
If the Clean feature is set to ON, additional back
wash and fast rinse cycles occur before the fill cycle.

FIG. 5

Water Flow Through

the Softener in Service

soft water hard water

OUT IN

resin tank

resin bed

2 - 4

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

JUJJ^.>J J-J J-J^J JJ4

SECTION 2

B. SOFT WATER SERVICE and REGENERATION

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HOW YOUR WATER SOFTENER WORKS

BRINING: During brining, the brine is moved
from the salt storage area, into the resin tank. Inside
the resin tank, brine deans 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. 7) make suction to take

brine from the salt tank and put it into the resin 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 the brine is moved

into the resin tank, the brine valve doses. Water

keeps flowing the same way it did during brining
except the brine flow has stopped. Hardness miner
als and brine flush from the resin tank to the drain.
Brining and brine rinse together vary in the length
of time they take, relative to the fill cyde length.

FIG. 7

Water Flow Through the Softener

in Brining and Brine Rinse

FIG. 8

Water Flow Through the

Softener in Backwash

hard water hard water

bypass OUT f I IN

la 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. 9).

hard water water

bypass OUT^ IN

drain

El BACKWASH: During backwash, water flows

UP through the resin tank (FIG. 8) at a fast rate to
flush iron minerals, dirt and sediments from the bed
and to the drain. The bed lifts and expands for good
cleaning.

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.

FIG. 9

Water Flow Through the

Softener in Fast Rinse

soft waler hard water

OUT^ I IN

drain

2 - 5

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

JJ4

JJJJ4 J-JJ4J4J4444

SECTION 2

B. SOFT WATER SERVICE and REGENERATION

J4J4JJ4JJJJJ4J4.
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IHOW YOUR WATER SOFTENER WORKS

AUTOMATIC BYPASS

During the brining, brine rinse and backwash cycles
of regeneration, HARD water goes through the soft
ener valve and to the house pipes. If a faucet is
opened, hard water is there for your needs. Howev
er, you should not use hot water, if possible, because
the water heater will refill with hard water. The soft
ener, as factory programmed, regenerates from 2:00
AM to about 4:00 AM, a time when not much water
is used.

If you get up early in the morning and you can hear
the softener regenerating, change the recharge start
ing time. Set the recharge time to 12:00 AM or 1:00

AM (page 1-4). Then regeneration wül start and end
that much earlier and your water heater will not re

fill with hard water if a hot faucet is opened.

ELECTRONICS

Two main parts of the softener's electronics are Q]

a WATER METER, and \E a COMPUTER.

Q] WATER METER—The water meter is in the soft

ener valve outlet. As water flows through the meter,

it sends electric pulses to the computer. The com

puter changes the pulses to a measure in gallons of
water.

[S COMPUTER — The computer is part of the
faceplate timer circuit board. It is programmed to
know the softener's capacity (how many grains of
hardness nainerals it will take out of the water before
a regeneration is needed). When starting the soften
er, page 1-4, you set it for the grains per gallon (gpg)
hardness of the water.

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 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.
RECHARGE TONIGHT displays until the

regeneration begins. When the regeneration begins,
TONIGHT goes off and

^RECHARGE or

RECHARGE TIME REMAINING flashes during the

2 hour regeneration.
* Note;

If the CLEAN feature is set to ON, a cleaning back

wash {CLEAN and Bkwsh or Rinse flashes in the dis
play, along with the minutes of the clean cycle re
maining), precedes the recharge.

2 - 6

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

44J444J4JJ4444444444

ÌJJ4J444J4J4444J4J44

SECTION 3

A444J44JJ444444JJ4J4
JJ44444J44J444J44444

CARE OF YOUR WATER SOFTENER

A. SALT: REFILLING STORAGE TANK, SALT BRIDGE

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144 Jk0JJ4J444JJ4

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144444444444444444

WHEN TO REFILL WITH SALT:
The Salt Monitor System, (see
page 2-1) will turn the low salt

on to warn you when to refill

light
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 fuU (see note on page 1-6).
Never let the softener use aU the salt before refilling.
lA^thout salt, you will soon have hard water. After
filling, reset the Salt Monitor System, page 2-1.

Note:
You win have a loss in softening capacity and may

get partly hard water if less than 10 inches (salt mon

itor level 2) of salt is in the storage tank.

PLEASE SEE PAGE 1-6 FOR SALT FILLING DIRECTIONS.

BE SURE TO RESET THE SALT MONITOR, PAGE 2-1.

SALT BRIDGE

Sometimes, a hard crust or salt bridge forms in the
salt storage tank. It is usually caused by high hu
midity or the wrong kind of salt. When the salt
bridges, an empty space forms between the water
and salt. Then salt wEl not dissolve (melt) in the wa
ter to make brine. V\^thout brine, the resin bed does
not regenerate and you wHl have hard water.

If the storage tank is full of salt, it is hard to teU 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.

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. 10. Make a pencil mark on
the handle, 1" or 2" below 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 the tank.

FIG. 10 Salt Bridge

salt

salt bridge

water level

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

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

3 - 1

jjjjj j jjjaj JJ J.J

SECTION 3

J.JJ jjjj^jj
JJJ

CARE OF YOUR WATER SOFTENER

B. KEEPING THE WATER SOFTENER CLEAN

NOZZLE & VENTURI

A dean nozzle and venturi (FIG. 11) is a must for the
softener to work right. This small unit moves brine
from the salt storage tank to the resin tank during re
generation. If it becomes plugged with sand, silt,
dirt, etc., the softener will not work and you wlU get
hard water.

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 unscrew
the cap from the nozzle and venturi housing. Do not
lose the large o-ring seal. Lift out the screen support
and screen, then the nozzle and venturi. Also check
and dean the gasket, flow plugs and screens. Wash

and rinse the parts in warm water until clean. If

needed, use a small brush to remove iron or dirt.

Carefully replace all parts in the correct order. Lu

bricate the o-ring seal with silicone grease or Vase
line and place in position. Install and tighten the

cap, by hand only. Do not overtighten and break

the cap or housing.

FIG. 11

Screen Support

Nozzle & Venturi

IMPORTANT: Be Sure small
holes in the gasket are cen

tered directly over the small

holes In the nozzle & venturi
housing.

•Install with numbered side up, concave

side down. Be sure the largest flow plug

(with the largest hole) is located in the
nozzle & venturi housing.

Cleaning Nozzle & Venturi

Cap

O-ring Seal

Screen

Gasket

•Row Plug

(HVDC)

Nozzle & Venturi

Housing

IRON FROM RESIN BED

Your water softener takes hardness minerals (cal-

dum and magnesium) out of the water. Also, it can
control some "dear water" iron. See maximum al

lowed in the specifications on page 4-1. V\dth dear

water iron, water from a faucet is dear when first
put into a glass. After 15 to 30 minutes, the water be
gins 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 water iron, an iron fil

ter 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 maximum allowed, regular
resin bed deaning is needed. Your local Sears store
has Water Softener Cleaner, Item No. 42-34426 for
this. Clean the bed at least every 6 months. If iron
shows up in the soft water before 6 months, dean
more often. Printed instructions are on the bottle.

3 - 2

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 3

JJ J.J^ J.JJ.A-JJ.iJJ'JJ-iJ-l ,

JJJJUJJJJ.JJJ4JJJt.J44J

1 CARE OF YOUR WATER SOFTENER

C. PROTECT THE WATER 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 feeze damage. To
drain the softener:

Close the shut-off valve on the house main wa
ter pipe, near the water meter or pressure tank.

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

Refer to FIG. 14 on page 4-1, Move the stem in

a single bypass valve to bypass. Close the inlet
and outlet valve in a 3-valve bypass system, 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. Re
move 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. 69, on page
6-5). Separate the softener from the copper
tubes, or from the bypass valve.

Remove the brinewell cover and disconnect the

brine valve tubing at the nozzle and venturi as

sembly (see page 3-2). Lift the brine valve out of
the brinewell. Tip the brine valve upside down
to drain water.

FIG. 12

Looking at FIG. 12, 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.

Tip the bottom of the softener up a few inches

and hold until aU 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. ■

Drain All Water From Softener

3 - 3

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 3

jj^jj

i CARE OF YOUR WATER SOFTENER

D. 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 your

self and you won't have to call and wait for service. If you do not find anything wrong, while making the
checks, and your softener still does not work, caU your Sears Service Department.

Note:

1. Also read ERROR CODE, page 2-3.

2. If an error code is not displayed, press and hold the SELECT 1 button until the display changes. Then, press
the SELECT 1 button again and hold until a flashing HF code appears. It must show HF32. If any other number
shows, the face plate computer is working on incorrect input and would probably be the cause of the problem.
To set HF32, press either the UP A or DOWN V button. When HF32 shows, press SELECT to return a flash
ing 12:00 AM display. Reset the present time, hardness number, etc., pages 1-3 and 1-4.

PROBLEM

No soft water

Water hard sometimes

CAUSE

No salt (or salt bridged) in the storage tank

Transfomer unplugged at the wall outlet,
or power cable leads loose, fuse blown,
circuit breaker popped, or circuit switched
off.

Manual bypass valve(s) in bypass position

Dirty, plugged or damaged nozzle &
venturi

Valve drain hose plugged

Hardness number setting too low

Using hot water when softener is
regenerating

Increase in the grains of hardness in your

water supply

CORRECTION

Refill with salt, or break the salt bridge (page
3-1). Press ON/OFF-HOLD (RECHARGE
NOW) button and hold for 3 seconds to start a

regeneration (see page 2-1).
Check for loss of power due to any of these

and correct. With the power back on, look at
the time display and read PROGRAM
MEMORY, page 2-3.

Look at FIG.14 on page 4-1. 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.
Take apart and clean or replace damaged

parts (see page 3-2).

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 x to
reset. Press and release the SELECT button
until the present time shows in the display.

Avoid using hot water during this time because
the water heater refills with hard water (see
Automatic Bypass, page 2-6).

Ask your Sears retail store for a new water
analysis. Then make a new hardness number
setting (page 1-4).

3 - 4

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 4

ij jua-jj)j jj j^-j ja

KNOW ABOUT YOUR WATER SOFTENER

A. DIMENSIONS/SPECIFICATIONS

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ajjnijJ

jSIBLij

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ujjjHijj

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FIG. 13

' .. ^ y J

Salt Tank Height

A

Resin Tank Diameter

B

(nominal)
Resin Tank Height

C

(nominal)
Intet-Outlet Height 41-1/2

D

Overall Height

E

Length

F^

F2 Width

Distance between inlet-

—

outlet center lines

\ J

W 1

i w

Inches CM

40-1/4 102.2

9 22.7

40 101.6

105.4

47-3/4 121.3

19-1/2
16-1/2

3-7/8

49.5

41.9

9.8

FIG. 14

Bypass valve(s) should always remain in soft
water service position. Position in "bypass" only
if needed for softener repairs.

3 - VALVE BYPASS

FOR SERVICE

close bypass valve

open inlet & outlet valves

FOR BYPASS

open bypass valve

close inlet & outlet valves

BYPASS VALVES

SINGLE BYPASS

PULL OUT
for service

PUSH m

for bypass

Bypass

Valve

Inlet

Valve

MODEL NOS. 625.388400 & 625.388450 TIMER HF CODE HF32

Note: Please see the rating decal for operating capacity, salt usage and service flow rate/pressure loss
performance specifications. Performance specifications are validated by the Water Quality Association
(WQA). The rating decal is located on the rim, under the salt hole cover (see page A, inside front cover).

WATER SUPPLY TO WATER SOFTENER
Minimum water system flow (gpm)
Minimum-Max. water pressure (psi)

Minimum-Max. water temperature (°F) -

Maximum water hardness (gpg)-.........-

Maximum “ciear water" iron (ppm)

SALT FOR WATER SOFTENER

Type of salt needed

Alternate type of salt

Salt storage capacity (lbs)

.......................

----------------

......

4 - 1

------

-----

------

.........

---------

...............

nugget or pellet

pure, evaporated,

compacted water

softener salt

3
20 -125
40 -120

110

8

200

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

bjiiiidjdidíiid SECTION 4

www I iwi» -T

Pressure Drop (PSI) vs. Flow Rate (GPM)

Í-tAaa<i-J^^JíJí<4-^J-4

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KNOW ABOUT YOUR WATER SOFTENER

A. DIMENSIONS/SPECIFICATIONS

OTHER SPECIFICATIONS

Type of ion exchange material (resin) -­Amount of resin (cu ft)

Regeneration (recharge) cycle times (minutes)

Fill (NaCL setting)
Fill (KCl setting)
Brining / brine rinse
Backwash ­Fast rinse

Total regeneration time ................

Efficiency Rating (gr/lb at 3.1 lb salt
dose)

.........................................................

Max. Drain Flow Rate (gpm)............

........................................

.......

............................

......

---------------

.....................

.........-..............

.........................

------------------

..

.......

Flow Rate (GPM)

high capacity

1.06

3.6 -11.5

4.5 -14.4
120-135

133.6 - 159.4

5360

2.0

gpm = gallons per minute

psi = pounds per square inch

gpg = grains per gallon

ppm = parts per million

© Does not include CLEAN feature cycle times if set to
ON.

This system conforms to ANSl/NSF 44 for the specific
performance claims as verified and substantiated by test
data.

7
3

The efficiency rating is only valid at the stated salt dose.

These softeners were efficiency rated according to ANSI/

NSF Standard 44.

4 - 2

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

jjajjjjj

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SECTION 5

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1 SERVICE TECH. INFORMATION

A. TROUBLESHOOTING

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IJ JJJHJJJJJJJJJJJ
uJJJJJ4JJJJJJJ4JJ
14JJJJJJJJJJJJJJJJ
I4JJ4JJJJJJJJJJ4JJ

WIRING SCHEMATIC

24VAC

Transformer

Turbine
Sensor

FACEPLATE

QNC -<

+5

UltmSoft 400

BACK OF TIMER

w

(PWA)

POS/TJASINE MOTOR

1

gm

bm

CustOfTfar Assistanca

1‘800-426-934$

KenmoreWateccom

o

NO Position

Switch

NC

RecHaiME

NOW

valve
motor

Di

Keep this manual with your water softener. If repairs are needed, the service technician must have
the information on the following 8 pages. For telephone assistance, call toll free, 1-800-426-9345.

LWAYS MAKE THESE INITIAL CHECKS FIRST

Does the time display show the correct time of

É

day?

--If display is blank, check power source to the
softener.

- - If time is flashing, power was off for over 24
hours. The softener resumes normal operation
but regenerations occur at the wrong time (page
1-3).

--If an error code (Example: Err3) shows in the
faceplate display, go to AUTOMATIC ELEC

TRONIC DIAGNOSTICS (page 5-2).

Plumbing bypass valve(s) must be fully in ser
vice position.

The inlet and outlet pipes must connect to the
softener inlet and outlet respectively.

Is the transformer plugged into a "Hve",
grounded wall outlet, and the power cable fas
tened securely?

5 - 1

The valve drain hose must be free of kinks and
sharp bends, and not elevated over 8 ft. above the

floor.

Remove the top cover and salt tank cover.

3 Is there salt in the storage tank?

I Is the brine tubing connected? (See water flow

■

diagrams, page 5-6).

a Is the brine valve float set right? (See page 5-4).

2 Press the SELECT 1 button two times to display

the hardness setting. Be sure it is the correct set

I

ting 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 sam
ple to verify if a problem exists.) Press the SE
LECT 1 button twice more to return to present
time in the display.

If you do not find the problem after making initial
checks, do the MANUAL INITIATED ELEC
TRONIC DIAGNOSTICS, and the MANUAL AD
VANCE REGENERATION CHECK (page 5-2).

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 5

j jjj j jj

1 SERVICE TECH. INFORMATION

A. TROUBLESHOOTING

AUTOMATIC ELECTRONIC DIAGNOSTICS

The faceplate timer (PWA) computer has a self

The chart below shows the error codes that could

appear, and the possible defects for each code.
diagnostic function for the electrical system, except
for input power and water meter. The computer
monitors electronic components ” ”

and circuits for correct opera

tion. If a malfunction occurs, an
error code appears in the face

£VEIL£VEL

в
7

6

4
5

2

ЁггЗ

plate display.

CODE

Erri, ЕггЗ,
Err4
Err5

PROCEDURE FOR REMOVING ERROR CODE FROM FACEPLATE: 1. Unplug transformer 2. Correct defect 3. Plug

MOST LIKELY

motor inoperative / wiring harness or connection to switch / position switch / vaive defect causing
high torque

faceplate timer (PWA)

While an error code appears in the display, all face

plate buttons are inoperable except the SELECT but

ton. SELECT remains operational so the service per
son can make the MANUAL INITIATED ELEC
TRONIC DIAGNOSTICS (below) to further isolate
the defect, and check the water meter.

POSSIBLE DEFECT

^ LESS LIKELY

in transformer 4. Wait for 6 minutes. The error code will return if the defect was not corrected.

MANUAL INITIATED ELECTRONICS DIAGNOSTICS

To enter diagnostics...

- - from a error code display, press the SELECT 1

button.

--from a time display, press and hold the SE
LECT 1 button for 3 seconds.

valve position indicc№r
(Fill and Brine Dashing)

position switch Indicaur

(dosed)

minutes of biinlng time

(begins to count down

when valve reaches

brining position) VALVE ROTATING

FROM 1 RECHARGE
POSITION TO
ANOTHEB (FROM
FILL TO BRINING IN
THIS EXAMPLE)

You will see one of the following displays. AE of the

displays show what position the valve is in, if the
turbine is operating, and the position switch open or
closed status.

valve position indicabx

I

L!

i^4

position switch indicator

(open)

valve poelUon mdicator

№
UHI uw

тшгяемлмша

MJ

Y 033-

\ FLOW HATE

«Wl »

position switch Indicator

(open)

number of days

since the last

^regeneration

. water meter

turbine count

_ minutes of Ml

cycle remaining

- water meter
turbine count

VALVE IN SERVICE
POSITION

VALVE IN A RECHARGE
POSmON (FILL. IN THIS
EXAMPLE)

POSITION SWITCH STATUS: With the valve in ser
vice, or any of the recharge cycles, the switch indica
tor win show open . While the valve is rotating
from 1 position to another, the indicator will show
the switch closed . A defect is probable if indica
tions vary from this pattern.

WATER METER TURBINE: With soft water in use,
the turbine flow rate display continually repeats a
000 to 140 count for each gallon of water passing
through the turbine. The display wrli remain a
steady.. .000 if soft water is not in use (open a nearby
soft water faucet to check).

If you don't get a reading in the display, with facuet
open, puU 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.

5 - 2

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 5

j jjj jjj

^ J J J J J J 4 J J J J J-J’iiiiiiiiiJ

SERVICE TECH. INFORMATION

A. TROUBLESHOOTING

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

sensor
housing

-turbine

-turbine
support

& shaft

VALVE POSITION INDICATORS: Depending on

the valve position, the following indicators show in

the display;

INDICATOR VALVE POSITION

Serv

..........................................

Fill

............................................

Brine

........................................

Bkwash
Rinse

....................................

........................................

service
fill

brining/brine rinse

backwash

fast rinse

When the valve is rotating from one 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.

NOTE: If the faceplate 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.

5M.r5№>(Aj

.HF32 shows.

.fVHUFVCL

8

6

4

2

1 ir □ n

nr DC

This code identifies the softener nominal capacity
size. If the wrong number shows, the softener will
operate on incorrect programming. Do the follow
ing as needed.

HF32 does show—Press the SELECT 1 button to re
turn the present time display.

To change HF number — Press the UP or DOWN
button until HF32 shows. Then, press the SELECT

1 button and reset the fimer...pages 1-3 and 1-4.

TIMER PWA REPLACEMENT: Be sure the valve is in
service position when replacing the timer PWA (ob
serve valve cycle indicator).

If, after installing and programming the replacement

timer PWA, the valve is not in service position, do the
following to assure correct cycle orientation, or timing

between the faceplate and valve.

Use the MANUAL ADVANCE procedures, page 5-4.
With the RECHARGE NOW button, advance through
the recharge cycles until the valve stops in service posi
tion, and RECHARGE no longer flashes in the display.

NOTE; The valve motor may automatically drive
through several valve positions while searching for
service. If an error code occurs, unplug the transform
er, then plug in again.

OTHER INFORMATION: While in this diagnostic
screen, the following information is available and
may be beneficial for various reasons. This informa
tion is retained by the computer from the first time
electrical power is applied to the faceplate.

...Press A to display the number of days this face

plate has had electrical power applied.

...Press V to display the number of regenerations

initiated by this faceplate since the HF code number

as entered.

Press the ON / OFF-HOLD button to advance the

m

valve to each position and observe the switch
and position indicators to verify component op
eration, or to possibly isolate a defect.

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

position

markers

(valve In

service)

CAM

5 - 3

J4 J-JJ

SECTION 5 i

jjjjj ja^jj jjj

SERVICE TECH. INFORMATION

A. TROUBLESHOOTING

MANUAL ADVANCE REGENERATION CHECK

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 diag

nostics.
Notes:

The faceplate display must show a steady time (not
flashing). If an error code shows, first press the SE
LECT button to enter the diagnostic display.

Press the ON/OFF-HOLD button and hold in for
3 seconds. ^RECHARGE and Fill begin to flash

(or clean backwash begins, if set) as the softener
enters the fill cycle of regeneration. When FILL is
on steady, remove the brine well cover and, using

a flashlight, observe fill water entering the tank.

*Note:
If the CLEAN feature is set to ON, a cleaning back
wash (CLEAN and Bkwsh or Rinse flashes in the dis

play, along with the minutes of the clean cycle re

maining), precedes the recharge.

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

Again press ON/OFF-HOLD to move the soft
ener into backwash. Look for a fast flow of water
from the drain hose.

a. An obstructed flow indicates a plugged top dis

tributor, backwash flow plug, or drain hose.

Press ON/OFF-HOLD 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.

To return the softener to service, press ON/ OFF
HOLD.

a. If water does not enter the tank, look for an ob

structed nozzle, venturi, fill flow plug, brine tubing,

or brine valve riser pipe.

CYCLE FLOW RATES (GALLONS PER MIN.)

FILL (flow to salt storage tank)
BRINING \
BRINE RINSE {

BACKWASH f (flow to dram)
FAST RINSE )

0.3 (1.1 liters)
.16 (.61 liters)
.12 (.45 liters)

2.0 (7.6 liters)

2.0 (7.6 liters)

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.

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 fitting and hose).
... defective nozzle and venturi seal.
...other inner valve defect (rotor seal, rotor & disc,

wave washer, etc.).

FREEBOARD MEASUREMENT

(Distance from top of resin tank, to top of resin bed.)

resin tank

FREEBOARD

7". 11"

- resin bed

5 - 4

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 5

ij-jj jjj

SERVICE TECH. INFORMATION

B. ROTARY VALVE SERVICE

Before working on the valve, turn off the water sup

ply and disconnect from electrical power. TO RE
LIEVE PRESSURE:

• 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: SUde the bypass valve
stem to bypass position. Loosen three hex head
screws 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 o-rings, seals and gaskets for wear or de
fects.

Inspect the bottom surface of the rotor for scratches,

chips or wear.

Install bearing onto gear shaft. Install motor plate

and tighten screws to a snug fit. See page 6- 3 for de­taUed schematic.

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.

motor mounting
screws

motor plate
screws

motor piale

plastic bearing

cam & gear

switch

motor

Note:

If replacement is needed, be sure to use the current

replacement part. See page 6-3 for repair parts.

ASSEMBLY

Be sure aU parts are in place and in the proper posi

tion. Lubricate ALL o-rings and seals with FDA ap

proved sEicone 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, care

fully center the wear strip on the seal, and push it

downward onto the seal.
Install the nozzle and venturi seal and drain seal.

Assemble wave washer bearing, the wave washer,
and two o-rings onto the rotor top shaft. Then center
the rotor in the valve body, on the rotor seal.

Lower the cover onto the valve body and rotor shaft.

Then install the cover holding screws. Before tight

ening the screws, install the valve cam and gear.

Then, turn the rotor (clockwise only) to service posi

tion. Tighten the valve assembly screws using a
criss-cross pattern. If a torque wrench is avaEable,
torque to 30-40 inch pounds. Do not over tighten.

o-rtng seals

wave washer

bearing, wave washer

wear-strip

A

seal

sensor
housing

See

Nozzle

assembly

service,

page 3-2

valve assembly

screws

rotor sea!

drain seal

nozzle S venturi seal

turbine support

turbine

5 - 5

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

jjjj

SECTION 5 I

1 SERVICE TECH. INFORMATION

C. WATER FLOW THROUGH THE SOFTENER VALVE

SERVICE CYCLE

Hard water enters the vcilve 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

To begin a regeneration, the electronic 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 Hll through

the venturi. Fill flow continues to the brine valve, and into the salt storage

tank. Soft water is still available to the house lines.

5 - 6

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 5

J44J4J4J444 JJ4J44J4J4JJ.J|

i SERVICE TECH. INFORMATION

C. WATER FLOW THROUGH THE SOFTENER VALVE

BRINING AND BRINE RINSE CYCLES

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 tank and 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

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.

5 - 7

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 5 ^

‘^jj jjjj.ij JJJJU4JJ Jjajj

1 SERVICE TECH. INFORMATION

C. WATER FLOW THROUGH THE SOFTENER VALVE

FAST RINSE CYCLE

tSaM drain

1»

f

ffl

tiet /

i'
li i A

JU) \\

(f

c '

\

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.

r s N

f

t

A'

5 - 8

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

QFPTION R

Kenmore MODEL NOS. 625.388400 & 625.388450

REPAIR PARTS FOR WATER SOFTENER

6 -1

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

J JJUJJIJJ-JJ-Jwls

iJJ JJJJ JJ.

J jjajj

SECTION 6

Kenmore MODEL NOS. 625.388400 & 625.388450

KEY

NO.

10 7082150

11 7100819

12
13
14 7232250
15
16
17
18 7116488
19
20 0502272

21 7144952

22
23
24

31 7152905

j^j jjj j-jjj

4 .4 a-J J-j 4 J J

4J4JJ44JJ444JJ4

REPAIR PARTS FOR WATER SOFTENER

A. WATER SOFTENER COMPLETE

PART

NUMBER

1

1
2
3

4

5

6

—

—

7229980
7229998 Salt Hole Cover
7095373

7132840
7234749

7 7230004

-

7232137 Faceplate Decal
7231709

8

7232080

9

7137913 Decal. Salt Level ®
7234723

0900431 Tube Clamp •

1103200 Tube Adaptor •

9003500

7105047

7170270 0-Ring, 2-3/4" x 3"
7077870 Top Distributor

7170254
7170296 0-Ring, 2-7/8" x 3-1/4"

25

7141001

26
27 7176292
28 7088033

7137939 Light Asm

29
30 7144211

7003847 O-Ring, 1/4” X 1/2"

32

♦

3442699

♦ 7195995

7231741

♦
♦ 7231775

Cover Lock (req’d for ship, only)
Rim Insert (req’d for shipping only)
Cover (main)

Transformer, 24V-10VA •
Power Cord (transformer)
Timer Repl. (PWA)

Faceplate (order following decal)

Rim (includes Key No. 30. 31 & 32)
Brinewell Cover
Wing Nut, 1/4"

Brinewell

Salt Storage Tank

Plastic Screw, 1/4"x5/8"

Grommet •
Brine Valve Asm. (also see pages 6-3, 6-4)
Replacement Distributor

Resin
Resin Tank (includes Key No. 21)

0-Ring, 13/16" X 1-1/16"

Vapor Barrier

Clamp Section (2 req.)
Clamp Retainer (2 req.)

O-Ring, 11/16” x 1-1/32”

Nut

Resin Bed Cleaner
Parts Bag, (includes parts marked with a ♦,

pages 6-2, 6-4 & 6-6) - order manuals
separately if needed.

Installation Manual
Owners Manual

DESCRIPTION

♦ not iltustrated
CD Aligns with top of brinewell.

• included in parts bag.

6 - 2

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

SECTION 6 I

Kenmore MODEL NOS. 625.388400 & 625.388450

jjjjjj

REPAIR PARTS FOR WATER SOFTENER

48

30
31

INLET - OUTLET

GROUNDING CLAMPS

32

33

34
35

36
37

38

39

40

6 - 3

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

J J J a .J J J J J.J J-J.

SECTION 6

Kenmore MODEL NOS. 625.388400 & 625.388450

■jjj

jjjjaj j-jj^jj jju

> . > 1 . . . » j » 1 r t a-lJ

B. BRINE VALVE ASSEMBLY

REPAIR PARTS FOR WATER SOFTENER

KEY

NO.

30
31

32

33

34

35

36

37
38
39
40

PART

NUMBER

7168647 Ceramic Weight

0513860
7097202 Float (includes Key No. 33)
0516947 Float Seal
7093216

7092278
7170288
0516211 Seal
0516924 Retainer, Bottom Seal
7116713

7092252 Brine Valve Body
41 7080653 Clip
42 7131365

7094979

43

7092294 Retaining Ring

44

7176161

45

7095470 Brine Tube

46
47 7113016

7171349

48

7163427

49

7207726

50

DESCRIPTION

Float Stop

Float Rod & Stem
Guide Cap
O-Ring 15/16 X 1-3/16

Clip

Screen

Insert

0-Ring, 5/16x9/16

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

Cone Screen
Ground Clamp (2) •
Ground Wire •

• included in parts bag on page 6-2,

6 - 4

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

> jj juajuajj-t jaa-

j j-^j-jajj j-jj j Js

SECTION 6 i

ajjjj^jjjjujjjj.

REPAIR PARTS FOR WATER SOFTENER

C. VALVE ASSEMBLY

6 - 5

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

J-JJ.

SECTION 6 i

REPAIR PARTS FOR WATER SOFTENER

Kenmore MODEL NOS.

KEY

NO.

50
51

52
53

54 7171250 Bearing

55 7219545
56
57 7172793
58
59
60
61
62 7174313
63
64
65
66
67 7171187
68
69 7089306
70
71

72 7094898
73 7101548
74

75 0900060
76 7081201
77
78 7171145

79

PART

NUMBER

7224087
7250622

7231393
0900857

7169180 Clip (Drain)

7170288
7211644
7170327
7173024

7185500
7173032
7185495
7172989

7129889

7077642
7170262

7248722

7195482

7170319

Screw, #8-32 X 1 " (2 req.)
Motor (incl. 2 ea. of Key No, 50)

Motor Plate

Screw, #6-20 X 3/8 (3 req.)

Cam and Gear

Drain Hose Adaptor
0-ring, 15/16 X 1-3/16
Flow Plug, 2.0 gpm
0-ring, 5/8x13/16
O-ring, 1-1/8X 1-1/2
Bearing, Wave Washer
Rotor & Disc
O-ring, 4-1/2 X 4-7/8
Rotor Seai

Seal

Plug (Drain Seal)

Spring

Clip (2 req.) •

Copper Tube, 1 " (2 req.) •

O-ring, 1-1/8 X 1-3/8 (4 req.) •
Turbine Support
Turbine
Wire Harness (Sensor)

O-ring
Retainer (Nozzie & Venturi)
Seal (Nozzle & Venturi)
Valve Body
O-ring, 1/4 X 3/8 (2 req.)

C. VALVE

DESCRIPTION

625.388400 & 625.388450 ASSEMBLY

KEY

NO.

80 7081104
81

82
83
84
85
86
87
88 7170262

89

90

91

92

93

94

95

96

-

-

-

♦ 3479901 Adaptor Kit, r to 1-1/4”

♦

♦

♦

♦

♦

♦ not illustrated
[J 7’ length included with softener

^ included with model 625,388450

• included in parts bag on page 6-2.

PART

NUMBER

Nozzle & Venturi Housing

1202600
7095030 Cone Screen
1148800 Flow Plug, .3 gpm

7187772 Nozzle and Venturi - Gasket Kit

0521829

7146043

7167659 Screen Support

7081188
7175199
7171161
7172997 Screw, #10 X 2-5/8 (8 req.)
7145186
7140738 Screw, #4-24 x 3/4 (2 req.)
7232234

7179143

7172882
7173016

7175238 C-ring

7187065

7185487

42-3433

42-3431 Drain Hose, 5/8" I.D. X 15' A

42-34403

Nut - Ferrule

Flow Plug, .1 gpm

Screen

O-ring, 1-1/8 X 1-3/8
Cap
Wave Washer
Valve Cover

Switch

Reducer Bushing, 1" x 3/4” (2
req.) •

Bypass Valve A • (Includes fol
lowing parts)

Stem
O-ring, 1.109 I.D. X 1.387 O.D. (4)

Nozzle & Venturi Assy. (incl. Key
Nos. 80, and 82 through 89)

Seal Kit (incl. Key Nos. 60, 61, 64,
65, 66 and 77).

Drain Tubing, 3/8" I.D. x 20'

Flexible Connectors, 1 ”

DESCRIPTION

6 - 6

Problems, Questions? Call 1-800-426-9345 Kenmore Water Line

OWNER’S

MANUAL

MODEL NO.

625.388400

625.388450

The mode! number of
your water softener is
found on the rating de
cal. This decal is on the

rim, under the salt cover.

When requesting service
or ordering parts, always

provide the following in

formation:

♦ Product Type
♦ Mode! Number
♦ Part Number
♦ Part Description

Kenmore

UltraSoft 400 Water Softener

For the repair or replacement parts you

need delivered directly to your home

Call 7 am - 7 pm, 7 days a week

1 - 800 - 366 - PART

(1 - 800 - 366 - 7278)

For in-home major brand repair service

Call 24 hours a day, 7 days a week

1 - 800 - 4 - REPAIR

(1 - 800 - 473 - 7247)

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

For information on purchasing a Sears

Maintenance Agreement, or to inquire

about an existing Agreement

Cali 9 am - 5 pm, Monday - Saturday

1 - 800 - 827 - 6655

SEABS

www.KenmoreWater.com

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

America's Repair Specialists