Maytag MWF4100AWS Operation And Maintenance Manual Download

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MAYTAG Whole Home Water Filtration System Owners Manual MA1-5
November 2003

System Description

Figure 1. MAYTAG Whole Home Water Filtration System, components and dimensions

Replacement Parts

Table 1 - Replacement parts used with the MAYTAG Whole Home Water Filtration System

Part
Number

Description

MWF 4100 AWS

MWF 4200 AWS MWF 4300 AWS

67500001

Carbon Prefilter

√

67500002

Stainless Steel Prefilter

√

67500008

8” Neoprene cap O – Ring

√

67500007

System Replacement (includes cap,
O-ring, 3 poly nipples and backpulse
tank)

√

67500010 Cap

Wrench

√

67500003

External Prefilter Kit

√

67500004

External Prefilter Replacement
Cartridge

√

67500025

External Prefilter Wrench

√

67500026

External Prefilter O-Ring

√

67500005

Base Controller with batteries (2AA)

√

AIR VENT

188cm

(74”)

MINIMUM

CLEARANCE

REQUIRED

163cm

(64”)

119cm

(46.75”)

64cm

(25.25”)

51cm

(20”)

MEMBRANE

MODULE

DRAIN ¾” FNPT

OUTLET ¾”

FNPT

STAND

BACKPULSE TANK

LOCK RING

INLET ¾” FNPT

CAP

AIR BLADDER

VALVE

PREFILTER HOUSING

Summary of Contents for MWF4100AWS

Page 1: ... a new MAYTAG Whole Home Water Filtration System 12 Sanitizing Your Household Distribution System 12 Maintenance Schedule 12 Replacing Cleaning the Internal Prefilter and Cleaning the System 15 Replacing the External Sediment Prefilter Cartridge 19 Setting the Controller 22 Choosing a Controller Program 23 Winterization Procedure 24 Annual Maintenance Checklist 32 Cleaning the Stainless Steel Casi...

Page 2: ...l barrier to bacteria parasites viruses and particles The System requires minimal maintenance and will provide you with years of cleaner safer better tasting water Simply follow the information found in this manual and schedule an annual maintenance visit by your MAYTAG Whole Home Water Filtration System Qualified Dealer The MAYTAG Whole Home Water Filtration System should only be installed where ...

Page 3: ...e during the maintenance procedure be sure to fill enough suitable water containers before beginning the maintenance procedure Using this Manual The following typographical conventions are used in this manual Start by reviewing these important safety alert symbols These safety symbols will alert you to the possibility of serious injury death or property damage Italics are used for emphasis Danger ...

Page 4: ...t contaminated water to enter the household distribution system causing illness Irreversible and premature fouling of the System may also occur resulting in System replacement at the owner s expense Service and Maintenance Safety To avoid electric shock Disconnect the AC power from the MAYTAG Whole Home Water Filtration System before servicing the controller do not remove the controller cover whil...

Page 5: ...cautions Do not plug in the Controller transformer if there is water on electrical wiring or the power supply Always shut off water flow and release water pressure before cleaning or maintaining the System The System is intended for indoor use only The power supply and controller must not be exposed to weather elements A MAYTAG Services Qualified Service Technician must perform an Integrity Test a...

Page 6: ...usehold distribution system should be re disinfected once returned to filtration mode If the System is in bypass mode the controller must be unplugged Failure to do so may cause System to dry and become damaged which may lead to personal injury and or physical damage and will void any warranty A bypass system is not required for proper operation of the MAYTAG Whole Home Water Filtration System how...

Page 7: ...roller 4 To return to filtered water service in the order listed close bypass valve turn handle clockwise open inlet and outlet ball valves turn handles counter clockwise plug in controller Certifications and Testing NSF National Sanitation Foundation Testing and Certification NSF International is the world s leading testing and certification laboratory for water treatment products Models MWF4200A...

Page 8: ...ordance with the Owner s Manual Failure to properly maintain the System will compromise performance and or result in a failure to control water quality The MAYTAG Whole Home Water Filtration System is not intended for the treatment of water that has an obvious contamination source such as sewage or wastewater Biofilm and pathogens in home piping systems could shed into water after it has been filt...

Page 9: ...ertation on the principles set out above and is provided as a reference guide to homeowners Any other reliance is expressly excluded herein The MAYTAG Whole Home Water Filtration System must be installed by a MAYTAG Services Qualified Service Technician and properly maintained in accordance with the Operations and the Owner s Manual Failure to properly maintain the System will compromise performan...

Page 10: ... damaged which may lead to personal injury and or physical damage The MAYTAG Whole Home Water Filtration System must be installed on cold water distribution systems only Failure to do so may cause System damage which may lead to personal injury and or physical damage The MAYTAG Whole Home Water Filtration System must be filled with water at all times after installation Failure to do so may cause S...

Page 11: ...500002 Stainless Steel Prefilter 67500008 8 Neoprene cap O Ring 67500007 System Replacement includes cap O ring 3 poly nipples and backpulse tank 67500010 Cap Wrench 67500003 External Prefilter Kit 67500004 External Prefilter Replacement Cartridge 67500025 External Prefilter Wrench 67500026 External Prefilter O Ring 67500005 Base Controller with batteries 2AA AIR VENT 188cm 74 MINIMUM CLEARANCE RE...

Page 12: ...nd allow to run for about 1 hour Ensure that the drain is open and unobstructed and able to accommodate the flow Do not leave flowing water tap unattended This will remove any residual preservative from the new System Sanitizing Your Household Distribution System If your new MAYTAG Whole Home Water Filtration System is being used to filter water from sources other than a municipal drinking water s...

Page 13: ...is recorded on page 2 Required service Part No Comments Every 12 Mo Carbon Prefilter 67500001 Water sources with high levels of particulate usage and or chlorine will require more frequent changes Replace System cleaning Clean Integrity testing Test Backpulse Tank air pressure 67500013 Adjust air pressure as required Test Model MWF 4100 AWS Base Controller batteries 2AA Check timer and program set...

Page 14: ...ired service Part No Comments Every 6 mo Every 12 Mo Stainless Steel Prefilter 67500002 Water sources with high levels of particulate will require more frequent cleaning Clean System cleaning Clean Integrity testing Test System 67500007 Backpulse Tank air pressure 67500013 Adjust air pressure as required Test External Pre filter cartridge 67500004 Highly variable service rate due to variability in...

Page 15: ...l MWF4100AWS is equipped with the Carbon Prefilter Photo 3a and Models MWF4200AWS and MWF4300AWS are equipped with the Stainless Steel Prefilter Photo 3b Important The System must not be operated without either an internal Stainless Steel Prefilter or Carbon Prefilter in place Special tools are required to perform service These instructions are provided for information purposes only Please call yo...

Page 16: ...se the inlet and outlet ball valves by turning them clockwise Lever handles indicate off position when turned perpendicular to the water pipe as shown in Photo 2b page 6 3 If equipped with a bypass valve keep the bypass valve closed during this operation Failure to properly shut off the water may lead to serious injury and or flooding and or property damage Drain the System for 1 minute 4 Base con...

Page 17: ...chamber with a clean cloth 8 Inspect System o ring located above the System threads for the System Cap for any wear or damage Very small nicks in the o ring can result in leaks If necessary replace o ring and use a very small amount of NSF approved lube available from your MAYTAG Qualified Dealer to regrease the o ring During this procedure DO NOT open the Bypass Valves as this will allow potentia...

Page 18: ...ly MAYTAG MC1 Cleaning Solution Never intentionally or unintentionally mix chlorine bleach and MC 1 cleaner as poisonous and corrosive chlorine gas may be formed Chlorine bleach must be less than 3 months old The active percentage reduces with time After the System has soaked it must be flushed as the sanitizing solution in the water supply may irritate the skin or cause illness if ingested Do not...

Page 19: ...ler for 5 minutes as described in Step 4 Open outlet ball valve Turn on a high demand faucet in your house ie a bathtub tap and flush the System to a drain for 30 minutes 16 Wash hands thoroughly after maintenance work Replacing the External Sediment Prefilter Cartridge All service and maintenance is to be performed by a MAYTAG Services Qualified Service Technician Some tools parts are available f...

Page 20: ...function on the controller of the MAYTAG Whole Home Water Filtration System for 1 minute Note This step must be followed to avoid personal injury and damage to the System Base controller Models MWF4100AWS and MWF4200AWS and Advanced controller Model MWF4300AWS Press the Next button once until the Manual indicator flashes Press and hold the Manual Flush button for 10 seconds This will open the drai...

Page 21: ...leaned with a brush and rinsed with water to remove grit and debris Discard used External Prefilter Cartridge 8 Inspect O Ring and the External Prefilter Housing for damage or wear as shown in Photo 7 Replace if required Photo 7 Inspecting o ring Install new cartridge and restart System 9 Insert the new External Prefilter Cartridge into the External Prefilter Housing Ensure that the spigot on the ...

Page 22: ...er Filtration System is equipped with either a Base Controller Models MWF4100AWS and MFW4200AWS or Advanced Controller Model MWF4300AWS The Advanced controller includes the added feature of automated inlet solenoid valve control This feature provides the most thorough flushing by completely draining the system See Table 5 or 6 Controller Program Selection for a description of the various program c...

Page 23: ...ears Press enter Use up down arrows to set time of flush Press enter to set 5 Setting program choice Press next until program appears Press enter Use up down arrows to select program choice Press enter to set See Table 6 for programming choices Table 4 Advanced Controller Setup Procedure Choosing a Controller Program Base Controller Controller Program Recommended household occupancy persons Source...

Page 24: ...49L d Program 4 Up to 6 5 0 Peaks to 10 0NTU 5 of time 400Usgal d 1510L d 2 2 18Usgal d 68L d Table 6 MWF4300AWS Controller Program Selection Winterization Procedure All service and maintenance is to be performed by a MAYTAG Services Qualified Service Technician Some of the necessary tools required are available for purchase from MAYTAG If the Stainless Steel Prefilter requires cleaning you may wa...

Page 25: ...ill enter the hot water tank and cause personal injury illness and or death It is recommended to close the hot water inlet valve during commissioning or maintenance of the System and to reopen the hot water inlet valve at the end of the procedure When filling System fill slowly and watch for leaks to avoid excessive water dripping onto floor During this procedure DO NOT open the Bypass Valves as t...

Page 26: ...r Filtration System Owners Manual MA1 5 November 2003 26 Figure 2 Drain line components for all models System Drain line Figure 3 Inlet and outlet line components for MWF4100AWS and MWF4200AWS Inlet or Outlet Port on System ...

Page 27: ...or MWF4300AWS Figure 5 Outlet line components for MWF4300AWS Before Winter Freeze up 1 Close the inlet ball valve If a bypass valve is installed the bypass valve must remain closed 2 Completely drain the System and household piping To drain the System use the controller and refer to procedure Internal Prefilter ...

Page 28: ...Figure 3 or 4 depending on your model for the outlet pipe assembly parts Drain into bucket for at least 10 minutes 5 Close the outlet ball valve Refer to Photo 1 for location Plug the disconnected outlet line on the System side with a MNPT Hex PVC plug at the end of the Stainless Steel flexhose 6 If using an External Prefilter drain the External Prefilter Housing refer to Replacing the External Se...

Page 29: ...sed snug Make sure there are no leaks The System is ready for the winter Note The preservative will provide protection against freezing down to 40 C as long as the proportion of propylene glycol to water is correct The amount and concentration of the propylene glycol solution has been selected to take into account water that is not easily drained from the System This procedure does not protect the...

Page 30: ...e Carbon Prefilter 12 Allow the System to soak for 15 minutes Drain the System using the controller as in step 8 above Note If the winterization spring start up is combined with the annual maintenance sanitizing cleaning procedure the System must soak for 60 minutes If the System is on well water the chlorine must be substituted with MAYTAG MC1 Cleaning Solution instead of chlorine bleach Never mi...

Page 31: ...e Open the outlet ball valve Open a nearby cold water high demand tap for 30 minutes Note The water may taste slightly different for the first few days but will not be harmful if procedures are followed It is recommended that first thing in the morning for the first two days after this procedure is complete leave a cold water tap on full for 30 minutes ...

Page 32: ...anty Cleaning the Stainless Steel Casing The stainless steel surface of your MAYTAG Whole Home Water Filtration System requires no special maintenance If required the surface may be cleaned using a mild soap solution Do not use any other cleaners or abrasive materials on the stainless steel surface as these cleaners may damage the label Wipe the System dry with a soft cloth afterward Frequently As...

Page 33: ...ressure Problem Solution 1 The city pump pressure is low or your line is scaled Call the city or check your pump 2 The External Prefilter Cartridge if installed is fouled Call MAYTAG Customer Care to clean or change the External Prefilter Cartridge 3 The Internal Prefilter Carbon or Stainless Steel is fouled Call MAYTAG Customer Care to clean or change the Carbon or Stainless Steel Prefilter 4 The...

Page 34: ...cheduled time for cleaning How long does the automatic cleaning cycle take The System backflushes itself daily to clean the System filter It automatically flushes impurities down the drain at the homeowner s pre selected time The cleaning cycle takes approximately 5 10 minutes and uses a minimal amount of water How much water is used for flushing Refer to Table 6 Operational Limits of the System i...

Page 35: ... alert in your area there are extra precautions that you must take with your water supply A boil water alert is a serious announcement made in the interest of protecting your health from water that may be contaminated We would recommend you take extra precautions Follow these steps during a boil water alert Use household chlorine bleach to disinfect the aerators on each faucet in your home each da...

Page 36: ...Prefilter Cartridge requires replacement quite often Can I increase the time between replacements of the External Prefilter Cartridge Yes In some cases two External Prefilters have been installed With two External Prefilters the time to replace the External Prefilter Cartridge is extended by more than twice the original time ...

Page 37: ...Must relieve water pressure from System before checking backpulse tank Pressure is too high Release some of the pressure until the desired pressure is reached The pressure is too low Add more pressure using a compressor or hand pump Check the pressure again the next day If the pressure drops call MAYTAG Customer Care Connecting Piping Assemblies Threads are cross threaded Replace the parts if poss...

Page 38: ...troller Drain does not function Repeatedly push Next until the MANUAL indicator flashes Press and hold the manual flush button for 10 seconds The Manual indicator will appear on the screen This will open the drain valve for 5 minutes To toggle the valve closed at any time press the manual flush button once If the valve still does not open it is possible the valve may need to be replaced Call MAYTA...

Page 39: ...i MWF4100AWS 17 4 5 MWF4200AWS MWF 4300AWS 34 9 Minimum height required m in 1 88 74 Base Width m in 0 45x0 45 18x18 Controller Voltage 120V System Efficiency 97 Approx flush volume L USgal 45 12 Maximum Temp C F 38 100 Minimum Temp C F 0 32 Rated Capacity L USgal per day 1500 390 MWF4100AWS 17 2 5 MWF 4200AWS MWF4300AWS 41 6 Recommended Max Flow Rate Per min LPM USgpm At time of installation Depe...

Page 40: ...nstallation Maytag will replace the original MAYTAG WHOLE HOME WATER FILTRATION SYSTEM Membrane Module when a Maytag Services Qualified Service Technician finds a membrane integrity breach as defined by an integrity check within the warranty period Maytag reserves the right to examine membrane modules deemed by the Maytag Services Qualified Service Technician to have a membrane integrity beach and...

Page 41: ...warranty change Charges involved as a result of these product changes do not include freight or foreign excise municipal or other sales tax All such freight and taxes are the responsibility of the consumer The foregoing expressed warranties are in substitution for and exclude all other warranties of any kind whether arising under statute and tort or by implication of law or otherwise including to ...

Page 42: ...ystem must be kept wet at all times after installation winterized prior to temperatures falling below 0 C 32 F tested annually using the integrity test operated with a prefilter Failure to do so may cause System to dry and become damaged which may lead to personal injury and or physical damage and will void any warranty ...

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