Kenmore Water System Ultrasoft 175 625 388170 Users Manual

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OWNER'S
MANUAL
MODEL NOS.
UltraSoft 175
625.388170
UltraSoft 180
625.388180
Caution:
Read and Follow
All Safety Rules and
Operating Instructions
Before First Use of
This Product.

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

Water Softeners

1-800-426-9345
(M - F, 7 am - 8 pm, CST)

with Deluxe Valve
Warranty

For repair or replacement
parts, call this toll-free number...

Start Up / Setting Timer
How It Works

1-800-366-7278

Care Of
See back cover for other
Sears service numbers.
www, KenmoreWater.com

Specifications
Repair Parts

SAVE THIS MANUAL

Sears,

Roebuck

PRINTED IN U,S,A,

and Co., 3333

Use the plastic bag and tie provided, to hang manuals
nearby the softener for future reference.

Beverly

Road,

Hoffman

Estates,

IL 60179

USA

7264477 (Rev. A 3/16/04)

[

WARRANTY

W
A
R
R
A
N
T
Y

SEARS RESIDENTIAL
FULL

ONE YEAR

WATER SOFTENER

WARRANTY

ON WATER

SOFTENER

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

AGAINST

LEAKS

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.

......
f.....
f.....

Sears,

Roebuck

and Co., D/817 WA, Hoffman

If you want your water softener
professionally
installed,
talk to your
prompt,
quality installation
by Sears Authorized
Installers.

SEARS INSTALLATION

POLICY

Sears

Estates,

Salesman.

He will arrange

SEARS INSTALLATION

All installation
labor arranged
by Sears shall be performed
in a neat, workmanlike
manner
in accor-

IL 60179

WARRANTY

In addition
to any warranty
extended
to you on the
Sears merchandise
involved,
which warranty
becomes
effective
the date
the merchandise
in

dance with generally
accepted
trade practices.
Further, 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.

installed,

should

the workmanship

salt hole ¢xwer.

Fill in the blanks below and keep this book in a safe place so you always have
these facts.

pH.
Water Pressure
Water Flow Rate

Taste And/Or

of any Sears ar-

ranged
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

Water Softener Model No.f
Serial Number
Date Installed
Water Hardness
Iron Content

for a

Grains Per Gallon
Parts Per Million
Odor
Pounds / Square Inch
Gallons Per Minute

f The model number is on the rath_g decal, located on the rm_, under lhe salt hole cover.

rating decal

TABLE OF CONTENTS

WATER SOFTENER

O
F

Safety

Guides

Check

List of Step-By-Step

Program

Sanitizing

Add Salt to the Storage

Guides

1-2

To Install

1-3, 1-4

The Timer ...................................
..........................

1-5

Tank ...........................

1-6

The Water Softener

Faceplate

Timer

Soft Water Service

WORKS
2-1

Features

2-2 to 2-5

and Regeneration

CARE OF YOUR WATER SOFTENER

,.I,J ,.I,J ,.I
,4JJJJfJJJJ,

Salt: Adding

Keeping

Protect

Checklist

to Storage

The Water
The Water

Tank / Salt Bridge

Softener
Softener

(Not Getting

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

3-2

Clean
From

3-1

Freezing

3-3
3-4

Soft Water)

,.I,J ,.I,J,

i,a,a ,,_

i,a,a ,,_,a,,_ i,a,a ,,_,a,

i,.I,J.IJ,J

i,_=l,.I,J,J

i,.I,J,.I,J,

iJJJJJ

i,.I,J

iJJJJJ

i J J J J,

iJJJJJ

PAGE NO.
1-1

HOW YOUR WATER SOFTENER

N
T
E
N
i,.I,J ,J
IJJJJJ

START UP

ABOUT

,.I,J,

Dimensions

YOUR WATER SOFTENER
4-1,4-2

/ Specifications

SERVICE TECH.
A*

Troubleshooting

Rotary

Water Flow

INFORMATION

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

5-1 to 5-4

Valve Service
Through

5-5
The Softener

REPAIR
A*

Water Softener

Brine Valve Assembly

Valve Assembly

PARTS

Valve .................

5-6 to 5-8

FOR WATER SOFTENER

Complete

6-1
.................................

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

6-2
6-3, 6-4

SECTION1

WATER SOFTENER

START UP

A. SAFETY GUIDES

• 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.

C
T

• 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 polluted water or make it safe to drink.
• Protect the softener and piping from freezing. Damage from freezing voids the softener warranty.
See
page 3-3.

CAUTIONS

iJJJJJ

JJJJJ

J J J*

iJJJ

JJJJJ

J J J*

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 ONLY THE TRANSFORMER
INCLUDED,
AND PLUG IT INTO A NOMINAL
120V, 60 CYCLE
HOUSEHOLD
OUTLET
THAT IS GROUNDED
AND
PROPERLY PROTECTED
BY AN OVERCURRENT
DEVICE SUCH AS A CIRCUIT BREAKER
OR FUSE.
IF
TRANSFORMER
IS REPLACED,
THORIZED
SERVICE,
CLASS
TRANSFORMER.

USE ONLY THE AUII, 24 VOLT, 10 VA

• Unplug the transformer
right away if the power
cable should become damaged or frayed. Make repairs, or replace transformer,
before plugging back
into the power outlet.
• Always unplug the softener from
before removing outer valve covers.

electrical

power

• 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

SECTION1
B. CHECK

WATER SOFTENER

LIST OF STEP-BY-STEP

START UP

GUIDES TO INSTALL

'Ib be sure you have done all the steps to install the
softener, read the following
list. Refer to the Installation Manual,
part no. 7258997, for step-by-step
guides.
Page numbers
Manual unless

referred to are in the Installation
otherwise
noted.

w' Is the house water flow going INTO the softener
valve INLET? Trace piping to be sure. See pages
2-4 and 2-5.

INLET

w' Is the plumbing
bypass valve (or 3 valves) set for
SERVICE?
Bypass
valve(s)
should
always
remain 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
Manual unless

referred to are in the Installation
otherwise
noted.

w' Is the transformer
plugged
into an inside,
always live, grounded,
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.
w' Be sure to restart
California

the water
Efficiency

heater.

See page

plastic

3- 9.

Bypass Valve(s)

Requirement

Your Kenmore
Water Softener has a "High Efficiency" feature with an "ON" or "OFF" setting.
This softener
setting is shipped
in the "OFF"
position,
which utilizes the maximum
rated capacity while most often achieving
maximum
salt
efficiencies.
When installing
this unit in the State
of California,
you MUST turn this setting to the

"ON" position which may initiate more frequent
recharges,
however
it will operate at 4000 grains
per pound
of salt or higher.
If you wish to turn the Salt Efficiency
feature
"ON" (_,_ icon will show in display),
follow the
instructions
in the Faceplate
tion 2 of this manual.

Timer Features,

Sec-

NOTE: Codes in tlie state of M,tssacliusetls
require uistallation
by a licensed plumber.
For hlstallation,
use plumbhlg
code
248- CMR of the Commonwealth
of Massachusetts.

1-2
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION1

WATER SOFTENER
C. PROGRAM

display

START UP

THE TIMER

UP button

CU_tot_e/"

As_ci5"t_fTcx_

]

1- 80_-42b'-K_¢5"
PRESS FOR
TONIGHT
HOLD FOR
IMMEDIATE

J
/

\\
/

RECHARGE button

SELECT

When the transformer
is plugged
in, a model code,
and a test number
(example:
J1.0) show in the face
plate display
for 4 seconds.
Then, the words SET
TIME show in the display
along with a flashing
12:00 PM.

I SP2S

SOUND

I 117
I.U

P 1
_,nn
!I L'UU

UltraSoft 180

CODE

I SP2b

ld LU
in

"BEEPER":

A "beeper"

sounds

SET PRESENT

TIME OF DAY

If the words SET TIME do not show in the display,
press the SELECT button (FIG. 2) until they do, or
see the previous
notes.

present

noon and
shows.

Notes:
shows in the display, press the UP _ or
_ button until SR25 or SR26 shows. Then,
change

Each

to the

press

time

midnight,

If the present
midnight
and
shows.

is between
be sure

time is between
noon, be sure AM

of the

SET
TIME

TIME

/DOWN

the time by one minute.
changes
the time rapidly.

Holding

Questions?

Call 1-800-426-9345

Kenmore

PM l

F
buttons
the

1-3

Problems,

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
button you have pressed, telling you to use another
button.
For example,
while setting
the hardness
(step 2), the beeper sounds repeatedly
when the display reaches i using the DOWN button, or the highest hardness
setting using the UP button.

If the

press the SELECT button to set, and
flashing
SET TIME display.

button

• Press the UP / DOWN buttons to set the present
time. Press UP to move the display
ahead;
press
DOWN to SET the time back.

! L .UU

If .....
DOWN

DOWN

'lb check the model code, unplug the transformer
at
the wall outlet and plug in again, if other than SR24
or SR26 shows, see page 5-3 to reset.

UltraSoft 175

CODE

button

Water Line

II:%

AM}

changes
buttons

SECTION1

WATER SOFTENER
C. PROGRAM

SET WATER HARDNESS

once again to display
and a flashing 25.

The grains

hard-

THE TIMER
water is not being used (see Automatic
Bypass,
page 2- 4). If a different recharge time setting would
be better for your household,
do the following.

NUMBER

• Press the SELECT button
the words SET HARDNESS

• Press
per gallon

(gpg)

A, for future

reference.

20 gpg hardness
+10
30 HARDNESS

x 5 = 10
(times)

• Press the SELECT button
once again to display
SET SALT LEVEL and a flashing 0 (zero). See Step E,
page 1-6, for instructions
on adding
salt to the salt
storage tank.

NUMBER

The face plate timer has a salt
monitor with an indicator
light to
remind you to add salt to the storage tank.
Note:
You must set saltlevel
water softene_

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

•

Press

the words
2:00 AM.

the

(REGENERATION)

SELECT

button

SET RECHARGE

once

and

a flashing

TIME

to display

IF YOU NEED

HELP

because

once

again,
to complete
initial
programming,
and the currect time of
day will show in the display.

PROGRAMMING
THE TIMER,
NUMBER 1- 800 - 426- 9345.
FACE PLATE

TIMER

q:28

CALL TOLL FREE,

FEATURES.

1-4

Problems,

Questions?

Call

to the

will flash. If you wish to turn this feature off, press
the DOWN
button
past 0, and the word
"OFF"
flashes in the display.

A'_

SEE PAGE 2-1 FOR OTHER

added

from 0 to 8. Observe the highest number
the leveled
salt is at, or closest to. Press the UP / DOWN buttons until the number corresponds
with the salt level number.
At level 2 or below, the indicator
LED

• Press the SELECT button

ting, the softener begins regenera_aaoE
tion
2-3 and time
2-4) setat ISET _'nN
At the(see
2:00pages
AM recharge
2:00 AM, ending no later than 4:30
_. "LIU
AM. This is a good time in most households

each time saltis

• 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

TIME

again

the
the

SET SALT LEVEL

• 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).

SET RECHARGE

to set the desired

Each press of the UP / DOWN buttons changes
display i hour. Holding the buttons in changes
display twice each second.

nlxmhel_

2 ppmiron

buttons

Note:

If your water supply contains
iron, compensate
for
it by adding
to the water hardness
number. For example, assume your water is 20 gpg hard and contains 2
ppm iron. Add 5 to the hardness number for each 1 ppm
of iron. In this example, you would use 30for your hardhess

the UP / DOWN

recharge
starting
hour. Be sure to observe
the AMPM as you did when setting the present time of day.

ness of your water supply
is on
your
water
analysis
report.
Be
sure to enter water test results on
page

START UP

1-800-426-9345

Kenmore

Water

Line

SECTION1

WATER SOFTENER

D. SANITIZE

START UP

THE WATER SOFTENER

Care is taken at the factory to keep your water softener clean and sanitary. Materials
used to make the
softener
will not infect or contaminate
your water
supply, and will not cause bacteria to form or grow.
However,
during
shipping,
storage,
installing
and
operating,
bacteria
could get into the softener.
For
this reason,
sanitizing
as follows
is suggested
;_;
when
[The

installing.
first time you sanitize

your

softener,

be sure

brinewell
cover

to do all steps in the installation
manual, and on
pages 1-2, 1-3 and 1-4 of this manual
first.
Note: Be certain the bypass valve is pulled out
to "service"
position.
_J_

Lift the salt hole cover
salt storage

Remove

tank with

the brinewell

and use
3 gallons
cover

brinewell

a pail to fill the
of water.

(FIG. 3) and

pour

about 3/4 ounce, or i to 2 tablespoons,
of common 5.25%, unscented,
household
bleach (Clorox, Linco, BoPeep,
softener brinewell.
[]Press

White Sail Eagle, etc.) in the
Replace the brinewell
cover.

the RECHARGE

button

conds to start a recharge.
several things.
• It draws
to sanitize

the bleach
it.

• It fills the

and

This first recharge

into and through

salt tank

hold for 3 se-

to the water

the softener

level

• It gets all the air out of the resin

does

needed.

tank.

• It prepares
the resin bed (see page 2-3) for service and flushes residual
chlorine
from the softener.
Notes:
This recharge

takes

You can sanitize

about

2-1/2

the softener

hours.
with

in the storage

tank.

(!;' Recommended
water
supplies,
disinfecting.

by the Water Qualily
the water
softener

or without

Assodatton.
may need

salt

On some
periodic

1-5
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION1

WATER SOFTENER

E. ADD SALT TO THE STORAGE

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.

You must keep salt in the tank, but because the water softener
is very efficient, it is not necessary
to
keep it full. Especially
in humid areas, it is best to
fill the storage tank one quarter to one half full, and
to refillit more often. Salt bridging
(see page 3-1) occurs more often when conditions
are humid.
or PELLET

water

softener

TANK

WATER SOFTENING
SALT WITH IRON REMOVING ADDITIVES
-- Some salts have an additive to

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.

Use NUGGET

START UP

salt. DO

NOT use rock salts, as they have dirt and sediments
that will stop the softener from working.
Before adding salt, be sure the brinewell
place on the top of the brinewell.

cover

is in

If you choose Potassium
Chloride
(KC1) as a regenerant, following
these suggestions
will help give
you years of maintenance
free service.
1) Place only one bag of KC1 in your softener
at a
time (the salt storage tank should contain no more
than 60 pounds
of KC1 at any one time).
2) A softener
using KC1 should
not be placed
in
areas with temperature
fluctuations
and high humidity (KC1 will harden in these environments
and

brinewell
cover

brinewell

may make the softener inoperable).
3) Check the brine tank and brine well (black tube in
salt storage tank) monthly.
If hardening
is present,
pour small amounts
of warm water on hardened
areas until they loosen.
4) You must increase your hardness
setting by 25%
to ensure continuous
soft water as in example
below.
Raw Water i {ard_s
(grai_b per gall_)

Sodium
chloride
Persons

consider
the added sodium as part of their overall
sodium intake. For example, if your water supply is
15 grains hard, and you drank 3 quarts of softened
water, you would
consume
335 milligrams
of sodium. That is equivalent
to eating 2-1/2 slices of
white bread.

Softens" setlh_g wll_
usi_g KC[

5gpg

7gpg

10 gpg

13 gpg

15 gpg

19 gpg

2./)gpg

information: Water softeners
using sodium
for regeneration
add sodium to the water.
who are on sodium restricted
diets should

55 gpg
+2,5%-

55 gpg

32 gpg

30 gpg

38 gpg

35 gpg

44 gpg

40 gpg

50 gpg

Persons
who are concerned
about their drinking
water should consider
a Kenmore
Drinking
Water
System that will remove or reduce in excess of 90%
of the sodium
and other drinking
water contaminants.

1-6
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION2

HOW YOUR WATER SOFTENER
A. FACEPLATE

•

EXTRA

TIMER FEATURES

RECHARGE

Observe the highest number
the leveled salt is at, or
closest to. Now press the UP or DOWN buttons until the number
corresponds
with the salt level number. At level 2 or below, the indicator
LED will flash.

Sometimes,
a manually
started
regeneration
(recharge)
may be
desired,
or needed.
Two exam-

If you wish to turn this feature off, press the DOWN
button past 0, and the word "OFF" flashes in the display. Note: You must set salt level each time salt is
added to the water softener.

ples are:

C
T

- You have

used

more water

not refill

the

N
JJJJJ
,l,lJ,IJ
*lJJJJ
,1,1 JJ

JJJ.
J,IJ.
JJJ.
JJJ.

After

i,J.i,J.i,J

a regeneration
right
can set the timer to
the next 2:00 AM (or
recharge
time). Do

require resetting
unless a change is desired.
Even if
the timer is incorrect after a long power outage, the
softener works as it should to keep your water soft.
However,
regenerations
may occur at the wrong
time of day until you reset the timer to the correct
time of day.

i,J.i,J.

RECHARGE

Press

•

NOW

the RECHARGE

button

and

RECHARGE

this feature

is ON, the wa-

RECHARGE
rO",GHr

]''2. !
TONIGHT
flashes in the display,
and the softener begins regeneration at the next preset recharge
time. Press and release the RECHARGE
button once more if you decide to cancel the regeneration,
and RECHARGE
TONIGHZ
•

MODE

ter softener will operate
at salt efN_ I1 _ _ _1
ficiencies
of 4000 grains of hardUUU
I
ness per pound
of salt or higher.
(May recharge
more often using
smaller salt dosage
and less water). Installations
in the state of
California
require
this setting to
be turned ON. This softener is shipped
in the OFF
setting. 'fb turn this setting to ON, press and hold the
SELECT button until the display shows 000 - -. Then
press (do not hold) the SELECT button again. Use the
UP arrow to turn ON. Press SELECT to enter and re-

TONIGHT

Press and release (do not hold) the
RECHARGE
button. RECHARGE

EFFICIENCY

When

hold for 3 seconds. The words RECHARGE
NOW begin to flash in
the display,
and the softener
enters the fill cycle of regeneration
right away. This regeneration
willlast for about 2 hours. Then, you will
have soft water again.
•

MEMORY

er comes on again, you have to reset the present
time only if the display
is flashing.
The HARDNESS, RECHARGE
TIME and SAUF LEVEL never

JJJ.

i,J.i,J.i,J

PROGRAM

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 pow-

JJJ.

•

You can start
away, or you
regenerate
at
other preset
the following.

•

softener

with salt before it was gone.
you refill with salt:

iJJJJJ
iJ,IJ,IJ
iJJJ
iJ

than

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

WORKS

turn to normal running
_J will only be displayed
•

ERROR

screen.
when

The efficiency icon
this feature is ON.

CODE

SET SALT LEVEL

'lb 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.

IF YOU NEED

face plate display if a problem ocAn error
could electronics.
appear in theIf [|E f" F _
curs
in thecode
softener
_
you see an error code instead
of
the present
time of day, turn to page 5-2 under
"Troubleshooting"
to resolve the problem.

SET SALT LEVEL
0

HELP

PROGRAMMING
THE TIMER,
NUMBER 1- 800-426- 9345.

CALL TOLL FREE,

2-1
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION2

HOW YOUR WATER SOFTENER

B. SOFT WATER SERVICE

and REGENERATION

SERVICE

REGENERATION

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 attracts
and holds the hardness
minerals.
This is

[]

FILL:

Salt, dissolved

Brine is needed

[]

Water Flow
the Softener

is called

brine.

minerals

from

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.

als they can, and cleaning
with salt brine is needed.
This cleaning is called regeneration
or recharge.
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:

ILL
BRINING
BRINE RINSE

in water,

to clean the hardness

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

called ion-exchanging.
Water without the hardness
minerals
(soft water) flows out of the softener
and
into the house soft water pipes.After
a period
of
time, the resin beads hold all of the hardness
miner-

Water Flow Through
the Softener
in Fill
soft water
OUT

BACKWASH
FAST RINSE

hardwater
IN

salt storage
tank

Through
in Service

soft water
OUT

WORKS

hardwater
IN

brine valv?

salt storage
tank (salt
\,
fill water

brine valve
resin tank

resin bed

2-2
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Water

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SECTION2

HOW YOUR WATER SOFTENER

B. SOFT WATER SERVICE
[]

BRINING:

During

from the salt storage
the resin tank, brine

brining,

the brine

area, into the resin tank. Inside
deans hardness
minerals
from

the resin beads
and they are discharged
drain. How much brine is needed to clean
depends

and REGENERATION
and to the drain.
cleaning.

is moved

The bed lifts and expands

hard water

bypass OUT'|

on:
regen-

'!' IN

drain

resin bed lifted
and expanded

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.
[]
into

BRINE
the

RINSE:

resin

After

tank,

the

all of the brine
brine

valve

is moved

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 the length
of time they take, relative to the fill cycle length.

hard water

FAST RINSE:

Backwash

is followed

After fast rinse,

the softener

returns

to service.

hard water
'I' IN

Water Flow Through
the
Softener in Fast Rinse
soft water
OUT

hardwater
_, IN
dr_n

brine
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

2-3
Problems,

Questions?

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.

dr_n

[]

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).

Water Flow Through the Softener
in Brining and Brine Rinse

bypassOUTj,

for good

Water Flow Through the
Softener in Backwash

out the
the resin

- - the amount of service water used between
erations,
- - the amount
of resin in the softener,
- - how fast the brine goes through
the bed.

WORKS

Call 1-800-426-9345

Kenmore

Water

Line

SECTION2

HOW YOUR WATER SOFTENER

B. SOFT WATER SERVICE
AUTOMATIC

and REGENERATION

BYPASS

ELECTRONICS
Two main
a WATER

During the brining, brine rinse and backwash
cydes
of regeneration,
HARD water goes through
the softener valve and to the house pipes. If a faucet is
opened,
hard water is there for your needs. However, you should not use hot water, if possible, because
the water heater will refill with hard water. The soft-

m WATER

parts of the softener's
electronics
METER, and [] a COMPUTER.
METER--

The water

meter

are []

is in the soft-

ener 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.

ener, as factory programmed,
regenerates
from 2:00
AM to about 4:00 AM, a time when not much water
is used.
If you start your day
4:00 AM), you may
starting time. Set the
1:00 AM (page 1-4).
and end that much
will not refill with

WORKS

[] 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
minerals it will take out of the water before

earlier in the morning
(prior ro
want to change
the recharge
recharge
time to 12:00 AM or
Then regeneration
will start
earlier and your water heater
hard water if a hot faucet is

a regeneration
is needed). When starting the softener, page 1- 4, you set it for the grains per gallon (gpg)
hardness
of the water.
'lb 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.

opened.

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.
When
the regeneration
begins, RECHARGE
NOW flashes
in the display during
the regeneration.

2-4
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Questions?

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Water

Line

SECTION3

CARE OF YOUR WATER SOFTENER

A. SALT: ADDING TO STORAGE
WHEN

TO ADD SALT: Check

the

filling. Without

salt level a few weeks after you
install
the softener
and every
week after that. Refill when the

salt, you will soon have hard

water.

Note:
You will have a loss in softening
get partly hard water if less than
in the storage tank.

storage tank is about 1/3 full (see
note on page 1-6). Never let the
softener use all the salt before re-

C
T

TANK, SALT BRIDGE

PLEASE SEE PAGE 1- 6 FOR DIRECTIONS

capadty
and may
10 inches of salt is

ON ADDING

SALT.

N
SALT BRIDGE
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

Salt Bridge

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

push tool into salt
bridge to break

water.

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.
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.

s_
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.

3-1
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Water

Line

SECTION3

CARE OF YOUR WATER SOFTENER

B. KEEPING THE WATER SOFTENER

NOZZLE

& VENTURI

Cleaning

A clean 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 regeneration.
If it becomes
plugged
with sand, silt,
dirt, etc., the softener will not work and you will get
hard water.

the gasket,

flow plugs

Carefully
replace all parts
bricate the o-ring seal with
line and place in position.
cap, by hand only. Do not
the cap or housing.

IRON

FROM

and

Screen
IMPORTANT;

Be sure small

_J"_

holes in ",he gaske_ are _enter_l dire_ly over the small
holes in tJle nozzle & venturi
housing.

*Flow Plug
(HVDG)
Nozzle & Venturi
Housing

screens.

qnstall with numbered side up, concave
side down. Be sure the largest flow plug is
located in the nozzle & venturi housing.

BED
If your water supply
has clear water iron, even
though
less than the maximum
allowed,
regular
resin bed cleaning
is needed.
Your local Sears store
has resin bed cleaner, Item No. 42-34426 for this.

in the specifications
on page 4-1. With clear
iron, water from a faucet is clear when first

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.

put into a glass. After 15 to 30 minutes,
the water begins to doud 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). 'lb take red water iron out of water,
or over the maximum
of clear water iron, an iron filter or other equipment
store has trained people
problems.

*Flow Plug
(1-EP)

Gasket.@

Your water softener
takes hardness
minerals
(calcium and magnesium)
out of the water. Also, it can
control some "clear water" iron. See maximum
allowed
water

& Venturi

Nozzle & Venturi .

in the correct order. Lusilicone grease or VaseInstall and tighten
the
overtighten
and break

RESIN

Nozzle

Gap

'lb 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).
1) Turn off the cap from the nozzle and venturi housing.
2) Lift out the screen support
and screen, do not lose
the large o-ring seal.
3) Then the nozzle and venturi.
Wash and rinse the
parts in warm water until clean. If needed,
use a
small brush to remove iron or dirt. Also check and
clean

CLEAN

is needed.
Your local Sears
to help you with iron water

3-2
Problems,

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Kenmore

Water

Line

SECTION3

CARE OF YOUR WATER SOFTENER

C. PROTECT THE WATER SOFTENER
If the

softener

is installed

where

it could

freeze

(summer
cabin, lake home, etc.), you must drain
water from it to stop possible
freeze damage.
drain the softener:
[]Close

the shut-off

ter pipe,
[]Open

[]Refer

on the house

near the water

a faucet
pressure

valve

meter

in the

main

or pressure

soft water

pipes

Drain

watank.

to vent
J

4-1. Move

the stem

a single bypass valve to bypass. Close the inlet
and outlet valve in a 3-valve bypass system, and
open the bypass vane. If you want water in the
house pipes again, reopen the shut-off valve on
the main water pipe.

drain

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

the large

holding

[

Remove

the brinewell

cover

and

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

clips at the

disconnect

wood block

Looking at FIG. 12, lay a piece of 2 inch thick
board near the floor drain. Move the softener
close

allow the softener's
and outlet fittings

softener inlet and outlet (see Key No. 66, on page
6-3). Separate
the softener
from the copper
tubes, or from the bypass valve.
B

All Water From Softener

all
To

in the softener.

to FIG. 14 on page

[]Carefully

FROM FREEZING

[Tip
and

the

the bottom
hold until

weight to rest on the inlet
or they will break.

of the softener up a few inches
all water has drained.
Leave the

softener laying like this until
use it. Plug the inlet and outlet
dirt, bugs, etc. out.

brine valve tubing at the nozzle and venturi assembly (see page 3- 2). Lift the brine valve out of
the brinewell.
Tip the brine valve upside down
to drain water.

you are ready to
with rags to keep

3-3
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Kenmore

Water

Line

SECTION3

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 yourself 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 worm call the Kenmore
Water Line at 1-800-426-9345.
Note:
1. Also read
2. If an error
the SELECT
for UltraSoft
probably
be

ERROR CODE, page 2-1.
code is not displayed,
press and hold the SELECT button until the display changes.
Then, press
button again and hold until a flashing code appears.
It must show SR25 for UltraSoft 175 or SR26
180. If any other number shows, the face plate computer
is working on incorrect input and would
the cause of the problem.
To set SR25 or SR26, press either the UP_] or DOWNf_--] button. When

the correct model code shows, press SELECT
ness numbel, etc., pages 1-3 and 1-4.

PROBLEM
No soft water

to return

a flashing

12:00 AM display.

CAUSE

CORRECTION

No salt (or salt bridged) in the storage tank

Transformer unplugged at the wall outlet, or
)ower cable leads loose from the electronic
board, 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

Water

hardsometimes

Hardness number setting too low

Incorrect SR code selected

Brine

tank flooded

Reset the present time, hard-

Add salt, or break the salt bridge (page 3-1). Press
RECHARGE 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 2-1.
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 1-4 to reset. Press
and release the SELECT button until the present
time shows in the display.
Press and hold the SELECT button until the display
changes. Then, press the SELECT button again
and hold until a flashing code appears. Use the UP
or DOWN buttons to select the correct code for your
softener.

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 2-4).

Increase in the grains of hardness in your water
supply

Ask your Sears retail store for a new water analysis.
Then make a new hardness number setting (page
1-4).
Checkfor kinks, bends or obstructions (see page 16
in your installation manual).
Take apart and clean or replace damaged parts (see
page 3-2).
Check for scratches or grooves, replace if needed.

Restricted drain line
Plugged or dirty nozzle & venturi
Valve-rotor

disc & seals

3-4

Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water Line

SECTION4

KNOW ABOUT YOUR WATER SOFTENER
A. DIMENSIONS

/ SPECIFICATIONS
BYPASS

Bypass

valve(s)

water

service

if needed

C
T

should

position•

for softener

always
Position

remain
in "bypass"

in soft
only

repairs.

PULL STEM
OUTWARD
FOR
SERVICE

•

E
D
A

VALVES

S,.0LEBYP

C
Inw3rd

For
Bypass

3 - VALVE

BYPASS
Bypass
Valve

FOR SERVICE
close bypass valve
open inlet & outlet valves

CM
A
B

Salt Tank Height
Resin Tank Diameter

(nominal)
Resin Tank Height
(nominal)
D Inlet-Outlet Height
E Overall Height
F1 Length
F2 Width
Distance between inletoutlet center lines

40-1/4
8

102.2
20.3

101.6

41-1/2
46
19-1/2
16-1/2
3-3/8

105.4
116.8
49.5
41.9
8.6

Outlet
Valve

FOR BYPASS

nlet
Valve

open bypass valve
close inlet & outlet valves

ULTRASOFT

175

TIMER SR CODE SR25

ULTRASOFT

180

TIMER SR CODE SR26

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

UltraSo_ 175

UltraSoff 180

Minimum water system flow (gpm)

Minimum-Max. water pressure (psi).

20-

125

20-

125

Minimum-Max. water temperature

40-

120

40-

120

(° F)

Maximum water hardness (gpg)

Maximum "clear water" iron (ppm)

SALT FOR WATER SOFTENER
Type of salt needed

nugget or pellet

Alternate type of salt

pure, evaporated, compacted
water softener salt

4-1
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION4

KNOW ABOUT YOUR WATER SOFTENER
A. DIMENSIONS

/ SPECIFICATIONS

Pressure Drop (PSI) vs. Flow Rate (GPM)
40

=. 30
25

UlbaSoft ISO

I,=,

20
=
15 _'_"
t_
a.

10_
I

!
_

.......

T-

1 .................. T ....................].......

T -o

]

...........T ................. E

Flow Rate (GPM)

OTHER SPECIFICATIONS

UltraSoft 17'5

UltraSoft 180

Type of ion exchange material (resin)

high capacity

.80

.66

5060 @ 2.4 Ib salt

5060 @ 2.6 Ib salt

2.2

Amount of resin (su ft)
Efficiency Rating
Max. Drain Flow Rate (gpm)

gpm = gallons per minute
gpg : grains per gallon
psi : pounds per square inch
ppm : parts per million
This system conforms to NSF/ANSI 44 for the specific performance claims as verified and substantiated by test data.
The efficiency rating is only valid at the stated salt dosage. These softeners were efficiency rated according to NSF/ANSI
Standard 44.

4-2
Problems,

Questions?

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Kenmore

Water

Line

SECTION5

SERVICE TECH. INFORMATION
A. TROUBLESHOOTING

WIRING

SCHEMATIC

BACK OF TIMER

valve
motor

C
T

TurNne[_
Sensor

brn

FACEPLATE
Low salt
indicator

display

N
pR_3_ FOR

f_k_

UP button

F_IFI IN

\\\\\

RECHARGE button

SELECT button

DOWN button

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.
ALWAYS MAKE THESE INITIAL CHECKS FIRST
Does

the time

day?
- - If display
softener.

display

is blank,

show
check

the correct
power

source

sharp
floor.

to the

Remove
Is there

be fully

in ser-

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

to the

Plumbing
bypass
vice position.

valve

time of

-- If time is flashing,
power
was off for over 6
hours. The softener
resumes
normal
operation
but regenerations
occur at the wrong time.
- - If an error code (Example:
Err03) shows in the
faceplate
display,
go to AUTOMATIC
ELECTRONIC DIAGNOSTICS.

The

valve(s)

must

the

Is
transformer
plugged
into
grounded
wall outlet, and the power
tened securely to the controller?

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

the top cover and salt tank cover.
salt in the storage

Is the brine
diagrams).

II
IE

Is the brine

tubing

valve

tank?

connected?

(See water

flow

float set right?

(See page

5-4).

Press the SELECT button three times to display
the hardness
setting. Be sure it is the correct setting for the household's
water supply.
(Make a
hardness
test of the raw water and compare with
the hardness
setting. Also test a soft water sample to verify if a problem
exists.) Press the SELECT button twice more to return to present time
in the display.

If you do not find the problem
after making initial
checks,
do the
MANUAL
INITIATED
ELECTRONIC
DIAGNOSTICS,
and the MANUAL
ADVANCE REGENERATION
CHECK.

a "live",
cable fas-

5-1
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION5

SERVICE TECH. INFORMATION
A. TROUBLESHOOTING

AUTOMATIC

ELECTRONIC

The faceplate
timer (PWA)
puter has a self-diagnostic

DIAGNOSTICS

The

comfunc-

chart

appear,

below

and

shows

the possible

the error
defects

codes

that could

for each code.

While an error code appears
in the display, all face
plate buttons are inoperable
except the SELECT button. SELECT remains operational
so the service person can make the MANUAL
INITIATED
ELEC-

tion for the electrical
system, exE r F _
_
cept for input power
and water
meter. The computer
monitors
electronic
components and circuits for correct operation.
If a malfunction occurs, an error code appears
in the faceplate
display.

TRONIC
DIAGNOSTICS
(below) to further
the defect, and check the water meter.

isolate

POSSIBLE DEFECT
CODE
Err1, Err3,
Err4
Err5

MOST LIKELY

_"
_"

LESS LIKELY

motor inoperative / wiring harness or connection to switch / position switch / valve defect causing
hiqh torque
faceplate timer (PWA)

PROCEDURE FOR REMOVING ERROR CODE FROM FACEPLATE: 1. Unplug transformer
from outlet 2. Correct
defect 3. Plug in transformer
4. Wait for 6 minutes. The error code will return if the defect was not corrected.

MANUAL
INITIATED
DIAGNOSTICS

ELECTRONICS

enter diagnostics,
press the SELECT
until 000 - - shows in the display.

[]

NI3

POSITION
SWITCH

1"3

UUU
A.

SENSOR
HOUSING

- -

The first 3 digits indicate
as follows:

water

000 (steady) =
Soft water
flow through
the meter.
--OPEN

button

meter

not in use,

A NEARBY SOFTWATER

RBINE

operation
and

lINE
SUPPORT AND
SHAFT

no
VALVE

FAUCET--

000 to 199 (continual) = Repeats display for each
gallon of water passing through
the meter.

The

letter

switch
switch

If you don't get a reading in the display with faucet
open, pull the sensor from the vane
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.

(P) and

dashes

indicate

is open.
Use the RECHARGE
button
to manually
advance the vane into each cycle and check correct
switch operation.

5-2
Problems,

Questions?

POSITION

operation.
If the letter
appears,
the
is closed. If the dashes show, the switch

Call 1-800-426-9345

Kenmore

Water

Line

SECTION5

SERVICE TECH. INFORMATION
A. TROUBLESHOOTING

CORRECT
SWITCH
DISPLAYS

TIMER
valve
timer

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

_ p

While

screen,

the following

in-

formation
is available and may be beneficial
various reasons. This information
is retained

for
by

the computer
from the first time electrical
is applied
to the face plate.
- - Press

[]

face plate
- - Press

to display
has had

[]

the number

electrical

to display

power

the number

sure

the

is in service position
when replacing
PWA (observe
valve cycle indicator).

the

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

power

of days

REPLACEMENT:

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.

Valve rotating from one position
to another

in this diagnostic

PWA

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

this

applied.
of regenera-

tions initiated by this face plate since the SR code
number
was entered.
[]

Press

and

hold the SELECT

SR25

button

until...

±no

shows

position
markers
{v'elve in
_ervi_)

for UltraSoft 175

SR26 shows
for UltraSoft 180
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.
MOTOR

GAM

Return
the present
LECT button.
To change

time

SR number

display

-- Press

Press

the

SE-

the UP or DOWN

button until the correct SR code shows. Then,
the SELECT button and reset the timer...page

press
1-3.

5-3
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION5

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
diagnostics.

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

Notes:

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

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

Press RECHARGE
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

Press the RECHARGE
button and hold in for 3
seconds.
RECHARGE
NOWbeglns
to flash in the
display 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 water
structed
or brine

does

not enter

the tank,

Again press RECHARGE
to move the softener
into backwash.
Look for a fast flow of water from
the drain hose.

any brine that may remain
the brining cycle test.
'Ib return
CHARGE.

the

softener

17
'

look for an ob-

in the resin tank from

to service,

press

BRINE VALVE
FLOAT _ETTING

nozzle, venturi, fill flow plug, brine tubing,
valve riser pipe.

CYCLE FLOW RATES (GALLONS PER MIN.)
FILL (flow to salt storage tank)
0.3 (1.1 liters)
BRINING

MAX.
BRINE BACKWASH
RINSE
MAX. FAST RINSE

float stop

.15 (.57 liters)
to
drain)
(flow

2.2 (8.3 liters)
.1 (.38 liters)
2.2 (8.3 liters)

After observing
fill, press the RECHARGE
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.

FREEBOARD

MEASUREMENT

Note:
Be sure a salt bridge
salt contact.
a. If the softener

is not preventing

does not draw

water

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

with

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
wave

inner vane defect
washer, etc.).

(rotor

seal

rotor

& disc,

5-4
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

RE-

SECTION5

SERVICE TECH. INFORMATION

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

Then, turn the rotor (clockwise
tion. Tighten the screws using
If a torque wrench is available,
pounds.

• 3 VALVE BYPASS: Close the inlet valve and open
a soft water faucet. Then close the outlet valve and
open

the bypass

• SEARS SPECIAL

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

valve.
BYPASS: Slide the bypass

valve
Be sure to orient
the cam.

stem to bypass
position.
Loosen 3 hex head screws
toward the back side of the valve to allow pressure
water to bleed out. Catch water with a rag.

'Ib 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

switch

as shown,

with lever

switcl_._
/

THE VALVE

all o-rings,

Inspect the bottom
chips or wear.

seals and gaskets

surface

for wear

or de-

of the rotor for scratches,

Note:
If replacement
replacement

is needed,
part.

be sure to use the current

ASSEMBLY
Be sure all parts are in place and in the proper position. Lubricate
ALL o-rings and seals with FDA approved silicone grease. 'Ib 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
downward
Install

toward

DISASSEMBLY

Inspect
fects.

only) to service posia criss-cross
pattern.
torque to 30-40 inch

the wear strip
onto the seal.

the nozzle

and

on the seal

venturi

seal and

and

push

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.

see No_le
assembly
s_Mce,
page 3-2

Lower the cover onto the valve body and rotor shaft.
Then install the cover holding screws. Before tightening the screws, install the valve cam and gear.

5-5
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

motor

plate

SECTION5

SERVICE TECH. INFORMATION

C. WATER FLOW THROUGH
SERVICE

THE SOFTENER

VALVE

CYCLE

from Valve Inlet
(hard water)
top distributor

To Valve Outlet
(soft weter)

resin tank

¢
resin
bed

position
switch

bottom distributor

Hard water enters the valve inlet port. Internal
valve porting
routes the
water down and out the top distributor,
into the resin tank. Hard water is
softened
as it passes
through
the resin bed, then enters
the bottom
distributor.
Soft water flows back into the valve and out the valve outlet, to
the house soft water pipes.

FILL

CYCLE
f

position switch \

valve

sam

venturi
\

rotor & disc

fill flow
plug

from Valve Inlet
(hard w_ter)

fill w_ter

(soft)

top distributor

To Valve Outlet

(softweter)

resin tank

switch

resin
bed

bottom distributor

r??d

f_t

'Ib begin a regeneration,
motor. The valve motor

the electronic
timer energizes
the circuit to the valve
rotates the rotor and disc and the vane cam until the

position switch lever drops, to open
FILL. As the rotor and disc rotates,
the venturL
Fill flow continues
to
tank. Soft water is still available
to

Problems,

_M_.

Questions?

the motor drcuit and position the vane in
the port opens for SOFT water fill through
the brine vane,
and into the salt storage
the house lines.
5-6

Call 1-800-426-9345

Kenmore

Water Line

SECTION5

SERVICE TECH. INFORMATION

C. WATER FLOW THROUGH
BRINING

AND

THE SOFTENER

BRINE

RINSE

VALVE

CYCLES

venturi

from Valve Inlet
(hard water)

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
jflow

plug

drain

f
I

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

SECTION5

SERVICE TECH. INFORMATION

C. WATER FLOW THROUGH

THE SOFTENER

VALVE

FAST RINSE CYCLE

drain

!
\
switch

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
selvice. As the vane rotates, the position
switch lever drops to open the
circuit. The valve remains
positioned
in service until the electronic
timer
initiates the next regeneration.

5-8
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION6

REPAIR PARTS FOR WATER SOFTENER

Kenmore MODEL NOS. 625.388175

and 625.388180

A. WATER SOFTENER
KEY
NO.
1

N
0

1
2

7231563

3
4

7231555
7252373

5
6

7268617
7231539

Timer Repl. (PWA)

7264427
7264435

Faceplate Decal, UltraSoft 175
Faceplate Decal, UltraSoft 180
Rim
Brinewell Cover

7231571
7155115

7082150

10
11

7003847
7100819

12
13

7137913
7257307

14
15

7232250
0900431

1103200

17
18

9003500
7116488

7105047

0502272

7092155

25
24
23

7268659

DESCRIPTION
Cover Lock (req'd for ship. only)

7
8

27
\

PART
NUMBER

COMPLETE

Rim Insert (req'd for shipping only)
Cover (main)
Salt Hole Cover
Transformer, 24V-1OVA •
Faceplate (order following decal)

Wing Nut, 1/4"
O- Ring
Brinewell
Decal, Brinewell ;t3
Salt Storage Tank
Plastic Screw, 1/4" x 5/8"
Tube Clamp •
Tube Adaptor •
Grommet •
Brine Valve Assembly
(also see page 6-2)
Replacement Distributor
Resin
Resin Tank, UltraSoft 175
(includes Key No. 20)
Resin Tank, UltraSoft 180
(includes Key No. 20)
O-Ring, 2-3/4" x 3"

22
23

7170270
7077870

24
25

7170254
7170296

7141001

27
28

7176292
7088033

•

3442699

•

7144821

Parts Bag, (includes parts marked
with a •, pages 6-1,6-2
& 6-4)
-- order manuals separately, if
needed.

7258997

Installation Manual

7264477

Owners Manual

Top Distributor
O-Ring, 13/16" x 1-1/16"
O-Ring, 2-7/8" x 3-1/4"
Vapor Barrier
Clamp Section (2 req.)
Clamp Retainer (2 req.)
Resin Bed Cleaner

• not illustrated
• included in parts bag
_' Aligns with top of brinewell
6-1

Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water Line

SECTION6

REPAIR PARTS FOR WATER SOFTENER

Kenmore MODEL NOS. NOS. 625.388175

and 625.388180

B. BRINE VALVE ASSEMBLY

KEY
NO.

PART
NUMBER

7168647

Ceramic Weight

0513860

Float Stop

7097202

0516947

Float (includes Key No. 32)
Float Seal

7093216

Float Rod & Stem

7092278

Guide Cap

7170288

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

0516211

Seal

0516924

Retainer, Bottom Seal

1205500

Clip

7092252

Brine Valve Body

7080653

7131365

Clip
Screen

7094979

Insert

7092294

Retaining Ring

7176161

O-Ring, 5/16 x 9/16

7095470

Brine Tube

7113016

7171349

Tubing Assy. (includes Key Nos.
42, 43 & 44)
Cone Screen

7248706

Grounding Clamp Kit •

oincludedin

DESCRIPTION

pars bag, see page 6-1.

INLET - OUTLET
GROUNDING CLAMPS

6-2
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION6

C. VALVE ASSEMBLY

REPAIR PARTS FOR WATER SOFTENER

50
51

90
60

0
88 _
91
\\\\

92 _¢

w_3_r-s_dp

_eaJ

vi_w

6-3
Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

SECTION6

REPAIR PARTS FOR WATER SOFTENER

Kenmore MODEL NOS. 625.388175 and 625.388180
C. VALVE ASSEMBLY
KEY
NO.

PART
NUMBER

KEY
NO.
78

PART
NUMBER
7081764

7224087

Screw, #8-32 x 1" (2 req.)

7228544

Seal (Nozzle & Venturi)

7081201

Retainer (Nozzle & Venturi)

7231385

Motor (incl. 2 ea. of Key No. 50)
Motor Plate

52
53

7170319

O-Ring,

0900857

Screw, #6-20 x 3/8 (2 req.)

7081104

0503288

1202600

55
56

7113927
7142942

Bearing
Cam and Gear

Nozzle & Venturi Housing
Nut - Ferrule

Clip (Drain)

83
84

7095030
1148800

0900431

Tubing Clamp •

7248007

58
59

7024160
7170327

Drain Hose Adaptor
O-Ring,

7190547
0521829

0501228

Flow Plug

7146043

7170238

7167659

7170212

7170262

Screen Support
O-Ring, 1-1/8 x 1-3/8

7082087

O-Ring, 7/16 x 5/8
O-Ring, 3/4 x 15/16
Wave Washer

7199729

Cap

7199232

Rotor & Disc

7248714

7170246

O-Ring,

0900060

7116713

Clip (2 req.) •

7085263

Sensor Housing
O- Ring
Valve Cover

2207800

Plastic Installation Adaptor, 1"
male thread (2 req.) []

7074123

Screw, #10-14

7077472

Washer (2 req.) •
Installation Tube (2 req.) •

7030713

Expansion Pin
Switch

97
98

7117816
7070412

Spacer

•

7187065

Nozzle & Venturi Assy. (incl. Key
Nos. 81, and 83 through 90)
Seal Kit (incl. Key Nos. 61, 62, 65,
71, 72 and 78).

DESCRIPTION

5/8 x 13/16

3-3/8

x 3-5/8

7170335

0507615

0507369

7134224

Installation Nut (2 req.) •
Rotor Seal

7170204

O-Ring,

7092642

Plug (Drain Seal)

7129889

Spring

2204101

3/8 x 9/16
7129716

7117858

Turbine Support and Shaft
Turbine

7082053

Valve Body

42 - 3433

DESCRIPTION

1/4 x 3/8 (2 req.)

Cone Screen
Flow Plug, .3 gpm
Nozzle & Venturi - Gasket Kit
Gasket (only)
Flow Plug, .1 gpm
Screen

Screw, #4-24

x 2 (5 req.)

x 1-1/8

(flat head)

42-34401

Drain Tubing, 3/8" I.D. x 20'
Flexible Connectors, 3/4"

42 - 34403

Flexible Connectors,

• not illustrated
[] NOT included with softener, order as needed
• included in parts bag, see page 6-1.

BYPASS INSTALLATION
MODEL NO. 625.3437

VALVE
103
/

KEY
NO.

PART
NUMBER

DESCRIPTION

100
101

0502206
7129863

Retainer Ring
Bypass Body

102
103

7105013
7130911

O-Ring, 13/16xl
Stem

104

7170288

O-Ring, 15/16x 1-3/16 (2 req.)

•

42-3437

Bypass Valve (Complete) •

102
/

10!

lO0

(4req.)

#
6-4

Problems,

Questions?

Call 1-800-426-9345

Kenmore

Water

Line

OWNER'S
MANUAL

Water Softeners

For the repair or replacement

MODEL

NOS.

need delivered directly to your home
Call 7 am - 7 pm, 7 days a week

1 - 800 - 366 - PART

UltraSoft 175
625.388170
UltraSoft 180
625.388180

parts you

(1 - 800 - 366 - 7278)

For in-home

major

brand repair

service

Call 24 hours a day, 7 days a week

1 - 800 - 4 - REPAIR
The model number of
your water softener is
found on the rating decal. This decal is on the
rim, under the salt cover.

(1 - 800 - 473 - 7247)

For the location
Sears

of a

Parts and Repair Center

in your area

======

Call 24 hours a day, 7 days a week

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

Product Type
Model Number
Part Number
Part Description

WWW.KenmoreWater.com

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

SEARS

1 - 800 - 827 - 6655

SEARS
America'sRep_r Speci_ists

Sears, Roebuck and Co., Hoffman

Estates, IL 60179 U.S.A.

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Title                           : 
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Kenmore Water System Ultrasoft 175 625 388170 Users Manual

170 kenmore utrasoft 175 180 625.388170 180

ULTRASOFT 175 625.388170 to the manual c5d02aaa-50bc-44f7-b5b9-ccfdaed95697

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