Kenmore 420 Series- Manuals

5 Unpack and Check Your Car ton FIG. 1 Questions? Call The Kenmore Water Line 1-800-426-9345 Packing List INSPECT SHIPMENT Your water softener is shipped complete in one carton. Use care when handling the softener. DO NOT turnupside down. DO NOT drop, or set on sharp objects thatcould make a hole in...

6 Plan Your Installation PLAN YOUR INSTALLATION It is recomended to read through the entire manual beforebeginning your installation. Follow all steps exactly. Reading thismanual will also help you get all the benefits from your system. TOOLS NEEDED: • Safety glasses• Flathead screw driver• Phillips...

7 Plan Your Installation Typical Installation 1. Place as close as possible but always after, the pressure tank (well water) or water meter (citywater). See Fig. 3. 2. Place as close as possible to a water drain such as a floor drain, laundry tub, sump or standpipe. SeeFig. 3. 3. Connect to the hous...

8 Plan Your Installation Suggested Slab Foundation Installation Plug the softener transformerinto an inside, 120 volt 60Hzelectrical outlet. If an outsideoutlet is used, be sure it hasapproved weather protection. Run drain tubing to laundry tub orp-trap inside home, if possible.Otherwise, run to a d...

9 PIPE, FITTINGS, OTHER MATERIALS NEEDED You must first decide how to run “in” and “out” pipes tothe softener. Look at your house main water pipe at thepoint you will connect the softener. Is the pipe solderedcopper, glued plastic, or threaded galvanized or brass?What is the pipe size? What kind of ...

10 Read Before Beginning Installation BEFORE INSTALLING CHECKS & TESTS Your water supply needs to be checked for chemicalanalysis, 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 treati...

11 FIG. 9 INSTALLING BYPASS VALVE, AND/OR INLET AND OUTLET THREADED ADAPTORS Clip (2) Valve Outlet Included withSoftener Included withSoftener Valve Inlet ASSEMBLE INLET OUTLET ADAPTORS, OR PLASTIC BYPASS VALVE Complete the following steps to assemble the adaptors orbypass valve. 1. Close the shutof...

12 Install 3-Valve Bypass INSTALLING 3 VALVE BYPASS AND PIPES Complete the following steps to install the three (3)valve bypass:• Cut the house main water pipe where you will con- nect the softener. • Loosely put together pipe, fittings, and the three (3) valves. • Place valve(s) within easy reach. ...

13 Locate Water Softener and Connect Pipes MOVE SOFTENER INTO PLACE Grip under ridge to move softener. Plywood Shims TYPICAL SOLDERING CONNECTIONS Main Water Pipe Hard Water 1. Cut pipe to correct length. 2. Solder (WHEN COOL, do Step 3). 3. Put threaded adaptor into bypass valveport. 4. Solder NOTE...

14 Connect Valve and Salt Tank Drains CONNECT THE VALVE DRAIN HOSE Take a length of 3/8” inside diameter drain tubing andattach one end to the drain fitting. See Fig. 16. Use atube clamp to hold it in place. Put the other end of thetubing over a floor drain, into a laundry tub, standpipe,or other su...

15 Leak Test 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 pipechips or other residue from the water pipes, besure to do the following steps exactly asinstructed. 1. Fully open two cold, soft water fa...

16 Electrical Requirements INSTALL GROUNDING CLAMP BETWEEN THE SOFTENER IN AND OUT PIPES The house cold water pipe (iron or copper) is oftenused to ground all electrical outlets in the home.Outlets are grounded to protect you from shock whenyou touch any electric appliance plugged into the out-let. ...

17 Install Covers and Restar t Water Heater FIG. 23 INSTALL COVERS After installing your water softener, replace the covers.Angle the covers so the main cover clips onto the backfirst, then bring down in front and clip on the two (2) tabsinside the rim of the salt hole and lower the salt coverclosed...

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 movethe time backward. If the present time is between noon...

19 Program The Timer 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. Th...

20 Sanitize The Water Softener SANITIZE THE WATER SOFTENER Care is taken at the factory to keep your water softener cleanand sanitary. Materials used to make the softener will notinfect or contaminate your water supply, or cause bacteria toform or grow. However, during shipping, storage, installinga...

21 Adding Salt To The Storage Tank ADDING SALT TO THE STORAGE TANK Brine (salt dissolved in water) is needed for each andevery regeneration. The water for making brine ismetered into the salt storage tank by the softener. Youmust keep salt in the tank, but because the water soften-er is very efficie...

22 Check List CHECK LIST OF STEP-BY-STEP GUIDES TOINSTALL Review the following list to ensure you have completed allthe 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 th...

23 SettingsOptionsUnitsService Mode EXIT CHANGE SELECT b d MAIN MENU FIG. 35 LanguagePresent TimeHardnessRecharge TimeBackExit CHANGE SELECT b d SETTINGS FIG. 36 Faceplate Timer Features FIG. 33 FIG. 34 EXTRA RECHARGE Sometimes, a manually started regeneration (recharge)may be desired, or needed. Tw...

28 Faceplate Timer Features Questions? Call The Kenmore Water Line 1-800-426-9345 KENMORE’S ULTRA CLEANSING FEATURE The ultra cleansing feature keeps larger particles of sedi-ment from entering the home’s plumbing system. Aswater passes through the softener, the larger sedimentparticles are collecte...

29 How Your Water Softener Works FIG. 52 SOFT WATER SERVICE AND REGENERATION SERVICE When the softener is giving you soft water, it is called“Service”. During service, hard water comes from thehouse main water pipe into the softener. Inside the sof-tener resin tank is a bed made up of thousands of t...

30 How Your Water Softener Works SOFT WATER SERVICE AND REGENERATION BRINING: During brining, the brine is moved from the salt storage area, into the resin tank. Inside the resintank, brine cleans hardness minerals from the resinbeads and they are discharged out the drain. Howmuch brine is needed to...

31 How Your Water Softener Works FAST RINSE: Backwash is followed by a fast flow of water down through the resin tank. The fast flow packsthe resin bed and gets it ready for return to service. After fast rinse, the softener returns to service. Hardwater goes into the resin tank where the resin bedag...

32 Care Of Your Water Softener FIG. 56 SALT BRIDGE Sometimes, a hard crust or salt bridge forms in the saltstorage tank. It is usually caused by high humidity or thewrong kind of salt. When the salt bridges, an emptyspace forms between the water and salt. Then salt willnot dissolve (melt) in the wat...

33 Care Of Your Water Softener FIG. 57 KEEPING THE WATER SOFTENER CLEAN NOZZLE & VENTURI A clean nozzle and venturi (see Fig. 57) is a must forthe softener to work right. This small unit moves brinefrom the salt storage tank to the resin tank duringregeneration. If it becomes plugged with sand, ...

34 Care Of Your Water Softener PROTECT THE WATER SOFTENER FROMFREEZING If the softener is installed where it could freeze (sum-mer cabin, lake home, etc.), you must drain all waterfrom it to stop possible freeze damage. To drain the sof-tener: 1. Close the shut-off valve on the house main water pipe...

35 Care Of Your Water Softener 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 andyou won’t have to call and wait for service. If you do not find anything wrong, while making the checks, and your sof-t...

36 Specifications FIG. 59 Questions? Call The Kenmore Water Line 1-800-426-9345 A A B C D E F Inches CM A Salt Tank Height 34 86.4 B Resin Tank Diameter (nominal) 10 25.4 C Resin Tank Height (nominal) 40 101.6 D Inlet-Outlet Height 41-1/2 105.4 E Overall Height 48 121.9 F 1 Length 21 53.3 F 2 Width ...

37 Specifications FIG. 60 Questions? Call The Kenmore Water Line 1-800-426-9345 Intermittent flow rate does not represent the maximum service flow rate used for determining the softeners rated capacity andefficiency. Continuous operation at flow rates greater than the service flow rate may affect ca...

38 Ser vice Tech Infor mation FIG. 61 Keep this manual with your water softener. If repairs areneeded, the service technician must have the informa-tion on the following pages. ALWAYS MAKE THESE INITIAL CHECKS FIRST 1. Does the time display show the correct time of day? • If display is blank, check ...

39 Ser vice Tech Infor mation FIG. 62 The faceplate timer (PWA) computer has a self-diag-nostic function for the electrical system, except for inputpower and water meter. The computer monitors elec-tronic components and circuits for correct operation. If amalfunction occurs, an error code appears in...

40 Ser vice Tech Infor mation POSITION SWITCH STATUS: With the valve in service, or any of the recharge cycles, the switch indicator willshow open, while the valve is rotating from one positionto another, the indicator will show the switch closed. Adefect is probable if indications vary from this pa...

41 Ser vice Tech Infor mation MANUAL ADVANCE REGENERATION CHECK This check verifies proper operation of the valve motor,brine tank fill, brine draw, regeneration flow rates, andother controller functions. Always make the initial checks, and the manual initiated diagnostics. NOTE: The faceplate displ...

42 Ser vice Tech Infor mation ROTARY VALVE SERVICE IMPORTANT: Before working on the valve, turn off thewater 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 openthe bypass valve. •...

43 FIG. 71 Drain from valve inlet (Hard Water) Bypass Hard Water To Valve Outlet Position Switch BRINING AND BRINE RINSE CYCLE Brine from Salt Storage Tank Nozzle Venturi Ser vice Tech Infor mation SERVICE CYCLE Hard water enters the valve inlet port. Internalvalve porting routes the water down and ...

44 Ser vice Tech Infor mation Drain Bypass HardWater To ValveOutlet Position Switch BACKWASH CYCLE Flow Plug FIG. 72 Questions? Call The Kenmore Water Line 1-800-426-9345 BACKWASH CYCLE Timer/switch action again allows the motor to turnthe rotor & disc to place the valve in BACKWASH,stopping wat...

46 8 3 1 2 30 31 13 7 4 29 28 5 Rating Decal Location 6 27 26 25 24 20 21 22 9 10 11 12 14 15 19 18 17 23 16 Kenmore MODEL Nos.625.384260 and625.394260 Exploded View Questions? Call The Kenmore Water Line 1-800-426-9345

47 Par ts List Kenmore MODEL Nos. 625.384260 and 625.394260 A. WATER SOFTENER COMPLETE Key No. Part Number Part Description 1 ---- Cover Lock (Required for shipping only) 1 ---- Rim Insert (Required for shipping only) 2 7284396 Cover (main) 3 7284435 Salt Hole Cover (order following decal) - 7284443...

48 Exploded View 19 18 17 1 2 3 4 5 6 7 8 9 16 15 14 13 12 10 20 11 INLET - OUTLET GROUNDING CLAMPS Kenmore MODEL Nos.625.384260 and625.394260 Questions? Call The Kenmore Water Line 1-800-426-9345

49 Par ts List Kenmore MODEL Nos. 625.384260 and 625.394260 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 7092278 Guide Cap 7 7170288 O-Ring, 15/16&...

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