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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 1
OWNER'S MANUAL Water Softener With High Performance Valve IntelliSoft 420 Series MODEL NO. 625.384260 Caution: Read and follow all safety rules and operating instructions before first use of this product. Questions ? Visit www. KenmoreWater.com or call toll free 1-800-426-9345 (M - F, 7 AM - 6 PM CST) Repair or Parts ? Call toll free 1-800-469 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 2
WARRANTY ON WATER SOFTENER ONE YEAR LIMITED WARRANTY ON WATER SOFTENER When installed, operated and maintained according to all instructions supplied with the product, if this Kenmore Elite appliance fails due to a defect in material and workmanship within one year from the date of purchase, call 1-800-4-MY-HOME ® to arrange for free repair. THREE ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 3
TABLE OF CONTENTS Safety Guides .................................................................................................................................................. 4 Unpack and Check Shipment ........................................................................................................................ 5 Plan Your Installati ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 4
Read all steps, guides and rules carefully before installing and using your new water soften- er. Follow all steps exactly to correctly install. Failure to follow them could cause personal injury or property damage. Reading this book will also help you to get all of the benefits from your water softener. Your Kenmore Water Softener will remove hard ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 5
INSPECT SHIPMENT Your water softener is shipped complete in one carton. Use care when handling the softener. DO NOT turn upside down. DO NOT drop, or set on sharp objects that could make a hole in the bottom. The water softener is heavy, do not try to lift it or move more than is necessary. Remove all items from your shipping carton. Check all item ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 6
PLAN YOUR INSTALLATION It is recommended to read through the entire manual before beginning your installation. Follow all steps exactly. Reading this manual will also help you get all the benefits from your system. TOOLS NEEDED: • Safety glasses • Flathead screw driver • Phillips screw driver • Adjustable slip joint pliers • Tape measure ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 7
outside faucet (hard water) soft, cold water soft, hot water water heater Shut-off Valve water / gap softener floor main drain shutoff valve outside faucet (hard water) to R.O. faucet Soft water to Reverse Osmosis system R.O. storage tank water meter FIG. 3 Typical Installation WHERE TO INSTALL THE WATER SOFTENER Review the following points before ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 8
Suggested Slab Foundation Installation water heater kitchen Plug the softener transformer into an inside, 120 volt 60Hz electrical outlet. If an outside outlet is used, be sure it has approved weather protection. WATER SOFTENER (install in garage, car port, or other sheltered area) bathroom outside -soft bypass valve outside -soft Run drain tubing ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 9
PIPE, FITTINGS, OTHER MATERIALS NEEDED You must first decide how to run "in" and "out" pipes to the softener. Look at your house main water pipe at the point you will connect the softener. Is the pipe soldered copper, glued plastic, or threaded galvanized or brass? What is the pipe size? What kind of pipe and fittings is it easi ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 10
BEFORE INSTALLING CHECKS & TESTS Your water supply needs to be checked for chemical analysis, water pressure and water flow rate. To accom- plish this, complete the following steps: Check Water's Chemical Analysis: Sears sells a com- plete line of water treating equipment to correct various water problems. To be sure you have the proper ty ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 11
ASSEMBLE INLET OUTLET ADAPTORS, OR SINGLE BYPASS VALVE Complete the following steps to assemble the adaptors or bypass valve. 1. Close the shutoff valve on the house main water pipe, near the water meter or pressure tank, to turn off the water. See Fig. 7. 2. Shut off the gas or electric supply to the water heater. See Fig. 7. 3. Open the highest a ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 12
Before installing the bypass valve, or copper tube, be sure the turbine and support are firmly in place in the valve outlet port. Turbine Support Sensor Port / Turbine FIG. 10 Bypass Valve or Installation Adaptor INSTALLING HOLDING CLIPS Black Clip Cross Section of Valve Inlet or Outlet O-Ring Clip Snaps into Place Between Larger Diameter Rings F ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 13
POSITION SOFTENER INTO PLACE Complete the following steps to position the softener. 1. Grip under the ridge on the salt tank sidewall. 2. Carefully rock back and forth into position. 3. Move the softener into position. 4. Place on a level and smooth surface. If needed, put a piece of 3/4" plywood, at least 17" x 20", under the tank. ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 14
CONNECT THE VALVE DRAIN HOSE Take a length of 3/8" inside diameter drain tubing and attach one end to the drain fitting. See Fig. 16. Use a tube clamp to hold it in place. Put the other end of the tubing over a floor drain, into a laundry tub, standpipe, or other suitable drain. Check your local codes. Leave an air gap of about 1-1/2" bet ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 15
LEAK TEST To check for leaks, complete the following steps: CAUTION: To avoid water or air pressure dam- age to softener inner parts, and to flush pipe chips or other residue from the water pipes, be sure to do the following steps exactly as instructed. 1. Fully open two cold, soft water faucets near the softener. 2. Look at the pictures in Fig. 18 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 16
INSTALL GROUNDING CLAMP BETWEEN THE SOFTENER IN AND OUT PIPES The house cold water pipe (iron or copper) is often used to ground all electrical outlets in the home. Outlets are grounded to protect you from shock when you touch any electric appliance plugged into the out- let. If you installed the single bypass valve, the cold water pipe ground is b ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 17
INSTALL COVERS After installing your water softener, replace the covers. Angle the covers so the main cover clips onto the back first, then bring down in front and clip on the two (2) tabs inside the rim of the salt hole and lower the salt cover closed. See Fig. 23. RESTART THE WATER HEATER Turn on the gas (or electric) supply to the water heater a ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 18
SET PRESENT TIME OF DAY If the words PRESENT TIME do not show in the display, press the SELECT button until they do show in the display. Press the UP or 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 ti ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 19
SET REGENERATION TIME To complete setting the regeneration time, complete the follow- ing steps: 1. Press the SELECT button to display 2:00 AM (flashing) and RECHARGE TIME. 2. At the 2:00 AM recharge time setting, the softener begins regeneration (see pages 29 - 31 ) at 2:00 AM. This is a good time in most households because water is not being used ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 20
SANITIZE 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, or cause bacteria to form or grow. However, during shipping, storage, installing and operating, bacteria could get into the softener. SANITIZE YOUR WATER SOFTE ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 21
ADDING SALT TO THE STORAGE TANK 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. You must keep salt in the tank, but because the water soften- er is very efficient, it is not necessary to keep it full. Especially in humid areas, it is best to ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 22
CHECK LIST OF STEP-BY-STEP GUIDES TO INSTALL Review the following list to ensure you have completed all the installation procedures. 1. Check the incoming water. Has incoming water been tested? 2. Remove cardboard packaging from salt tank. 3. Is the incoming water going to the valve inlet? 4. Is the bypass valve placed into the service position? 5. ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 23
EXTRARECHARGE Sometimes, a manually started regeneration (recharge) may be desired, or needed. Two examples are: • You have used more water thanusual (guests visiting) and you may run out of soft water before the next timer started regeneration. • You did not refill the softener with salt before it was gone. Add salt to the softener before rege ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 24
Language for all screens can be in English, Spanish or French. Move the black bar to Language, and press SELECT. Move black bar over your choice and press SELECT. Screen returns to Settings Menu. NOTE: If Language has been mistakenly changed, press SELECT button until you see English, Espa_ol and Franqais in the display. The maximum number of press ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 25
Salt Alert Level is the level at which you want your softener to signal that the salt level is low. When salt level drops to this point, the low salt LED will flash on the faceplate. Move the small cursor up or down by pressing the UP or DOWN arrows and observe the number in the display. When the correct number is displayed, press the SELECT key. S ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 26
The QuickCharqe option is an integral part of the IntelliSoft water and salt saving system. When this option is selected, the softener will automatically recharge if 95% of capacity has been unexpectedly used and there is less than 1/2 gpm flow. The recharge will last 30 minutes and give the softener approximately 5,000 grains capacity. The softene ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 27
Gallons/Liters option allows you to choose how the water usage is displayed on the normal operating screen. Move the black bar over Gallons or Liters and press SELECT. Display will return to Units menu, press SELECT once more to return to normal operating screen. Display will show either "lpm" for liters per minute or "gpm" for ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 28
KENMORE'S ULTRA CLEANSING FEATURE The ultra cleansing feature keeps larger particles of sedi- ment from entering the home's plumbing system. As water passes through the softener, the larger sediment particles are collected in the integrated basket and then rinsed to the drain before each regeneration. The ultra cleansing feature provides ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 29
SOFT WATER SERVICE AND REGENERATION 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 sof- tener resin tank is a bed made up of thousands of tiny, plastic resin beads. As hard water passes through the bed, each bead attr ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 30
SOFT WATER SERVICE AND REGENERATION BRINING: During brining, the brine is moved from the salt storage area, into the resin tank. Inside the resin tank, brine cleans hardness minerals from the resin beads and they are discharged out the drain. How much brine is needed to clean the resin depends on: • The amount of water used between regenerations. ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 31
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. 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 pip ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 32
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 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 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 33
KEEPING THE WATER SOFTENER CLEAN Cleaning Nozzle & Venturi NOZZLE & VENTURI A clean nozzle and venturi (see Fig. 57) 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 wil ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 34
PROTECT THE WATER SOFTENER FROM FREEZING If the softener is installed where it could freeze (sum- mer cabin, lake home, etc.), you must drain all water from it to stop possible freeze damage. To drain the sof- tener: 1. Close the shut-off valve on the house main water pipe, near the water meter or pressure tank. 2. Open a faucet in the soft water p ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 35
CHECKLIST TO HELP YOU SAVE MONEY If your water softener fails to work, make the following easy checks. Often, you will find what is 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 sof- tener still does not work, call your Sears Service Department. 1. Also read ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 36
T-- A 1 b--F---.1 I I I I I I I I I 1 ] [ C E D 'r T Inches cm A Salt Tank Height 34 86.4 B Resin Tank Diameter 10 25.4 (nominal) C Resin Tank Height (nominal) 40 101.6 D Inlet-Outlet Height 41-1/2 105.4 E Overall Height 48 121.9 F1 Length 21 53.3 F 2 Width 17 43.2 - Distance between inlet-outlet 3-3/4 8.6 centerlines BYPASS VALVES Bypass valv ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 37
35 t.t) n o Itl n 30 25 20 15 10 Pressure Drop (PSI) vs. Flow Rate (GPM) 420 Series 9.5gpm @ 10 psi 0 I 0 1 2 3 4 5 6 7 8 9 1011 121314151617181920212223 Flow Rate (GPM) FIG. 60 OTHER SPECIFICATIONS Type of ion exchange material (resin) high capacity Amount of resin (cu. ft.) 1.20 Rated Softening Capacity (Grains @ Pounds Salt Dose) 12,500 @ 2.5 33 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 38
WIRING SCHEMATIC salt cover r_ switch valve motor Turbine Sensor CK OF TIMER (PWA) _PUTPOS/TURBINE ! l ! brn NO o NC FACEPLATE 11£ F--> 24 VAC IILTransformer tank light Position Switch Keep this manual with your water softener. If repairs are needed, the service technician must have the informa- tion on the following pages. ALWAYS MAKE THESE IN ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 39
The faceplate timer (PWA) computer has a self-diag- nostic function for the electrical system, except for input power and water meter. The computer monitors elec- tronic components and circuits for correct operation. If a malfunction occurs, an error code appears in the face- plate display. The chart below shows the error codes that could appear, a ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 40
POSITION SWITCH STATUS: With the valve in service, or any of the recharge cycles, the switch indicator will show open, while the valve is rotating from one position to another, the indicator will show the switch closed. A defect is probable if indications vary from this pattern. NOTE: If the faceplate is left in a diagnostic display (or a flashing ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 41
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: The faceplate display must show a steady time (not flashing). If an error code shows, first press ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 42
ROTARY VALVE SERVICE IMPORTANT: Before working on the valve, turn off the water supply and disconnect from electrical power. TO RELIEVE 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: Slide the bypass valve stem to bypass position. Loo ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 43
WATER FLOW THROUGH THE SOFTENER VALVE SERVICE CYCLE 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 th ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 44
WATER FLOW THROUGH THE SOFTENER VALVE 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 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 45
Questions? Call The Kenmore Water Line 1-800-426-9345 45 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 46
13 o./ 31 _) ..._-- 29 7 9 " - . . ing Decal Location 12 28 27 14 24 16 17 18 23 Questions? Call The Kenmore Water Line 1-800-426-9345 46 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 47
Key No. 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Kenmore Model No. 625.384260 A. WATER SOFTENER COMPLETE Part Number 7284396 7284435 7284443 7088033 7176292 7232446 7288578 7275907 7229956 7286306 7284736 7252268 7286021 7265025 7219888 7082150 7003847 7109871 7214236 7287158 7284613 0900431 1103200 9003 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 48
19__ INLET - OUTLET GROUNDING CLAMPS 18 3 4 2O Questions? Call The Kenmore Water Line 1-800-426-9345 48 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 49
Kenmore Model No. 625.384260 B. BRINE VALVE ASSEMBLY Key No. Part Number Part Description 1 7168647 Ceramic Weight 2 0513860 Float Stop 3 7097202 Float (includes Key No. 4) 4 0516947 Float Seal 5 7220627 Float Rod & Stem 6 7308904 Guide Cap 7 7170288 O-Ring, 15/16" x 1-3/16" 8 0516211 Seal 9 0516924 Retainer, Bottom Seal 10 7116713 Cl ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 50
42 ____..__._ _ 41 _ 0 40_ 39 38 33 43 Wear-Strip Seal Cross-Section View 28 11 o " 10 13 18 19 J 2O 21 22 23 24 25 32 26 31 Questions? Call The Kenmore Water Line 1-800-426-9345 50 ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 51
Key Part No. Number Part Description 1 7224087 Screw, #8-32 x 1" (2 req.) 2 7286039 Motor (incl. 2 ea. of Key No. 1) 3 7231393 Motor Plate 4 0900857 Screw, #6-20 x 3/8" (3 req.) 5 7171250 Bearing 6 7283489 Cam & Gear 7 7169180 Clip (Drain) 8 0900431 Hose Clamp 9 7271270 Drain Hose Adaptor 10 7170288 O-Ring, 15/16" x 1-3/16" ...
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Kenmore INTELLISOFT 420 SERIES 625.38426 - page 52
Your Home For expert troubleshooting and home solutions advice: Our Home For repair of carry-in items like vacuums, lawn equipment, and electronics, call anytime for the location of your nearest Sears Parts & Repair Service Center 1-800-488-1222 (U.S.A.) 1-800-469-4663 (Canada) www.sears.com www.sears.ca To purchase a protection agreement on a ...
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