Maytag mwf4100aws owner manual Prefilter

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6.Open the outlet ball valve. Open the closest cold water high demand tap (ie. bathtub faucet) for 30 minutes.

7.Open all cold taps one at a time for 1 minute. Flush all toilets once.

8.Close the inlet ball valve. Partially drain System using the flush function for 1 minute to depressurize the System, refer to “Replacing/Cleaning the Internal Prefilter and Cleaning the System” use the System controller in step 4.

9.Remove System Cap using the Cap Wrench.

10.If using a Stainless Steel Prefilter, remove and set aside the Stainless Steel Prefilter in a clean pail or sink.

11.Be sure the water level in the System is approximately ½ way up the prefilter cavity. Add more water using the inlet ball valve if necessary. Add 500 mL of unscented household chlorine bleach (approximately 5.25% chlorine), maximum 3 months old, to the System.

Note: Do not allow chlorine to come into contact with the 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 mix chlorine bleach with the MAYTAG MC1 Cleaning Solution.

13.If using a Carbon Prefilter, install a new Carbon Prefilter. If using a Stainless Steel Prefilter, reinsert the Stainless Steel Prefilter.

14.Replace the System Cap using the Cap Wrench.

15.If using an External Prefilter, drain the External Prefilter Housing (refer to “Replacing the External Sediment Filter Cartridge” section) and insert a new External Prefilter Cartridge into the External Prefilter Housing. Close the External Prefilter stopcock.

16.Partially open the inlet ball valve slowly and watch for leaks. The air vent will make a hissing noise as air escapes. If no noise is heard, open the small black cap on top of the air vent. Once the System is full of water, open the inlet ball valve fully.

MAYTAG Whole Home Water Filtration System Owners Manual MA1-5

November 2003

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Contents Important see safety warnings and cautions inside Table of ContentsThank you… Dealer and System InformationUsing this Manual … Safety InstructionsOperational Safety Service and Maintenance SafetyOther Safety Precautions Winter StoragePhoto Certifications and Testing Models MWF4200AWS and MWF4300AWSModel MWF4100AWS Service Legal DisclaimerTrademarks Replacement Parts System DescriptionMaintenance Schedule Startup of a new Maytag Whole Home Water Filtration SystemSanitizing Your Household Distribution System 4100 Model4200 Required service Comments Every 6 mo Every 12 Mo 4300MWF4300AWS Shut off water Drain the System for 1 minuteStainless Steel CleaningRemove the cap and internal prefilter from the System PrefilterModel Cleaning Chemical Used Re-install InternalSoak 60 min Replacing the External Sediment Prefilter Cartridge Fill and Flush for 30 minStopcock Page Setting the Controller Base Controller Models MWF4100AWS and MWF4200AWSChoosing a Controller Program Advanced Controller Model MWF4300AWSBase Controller Winterization Procedure Advanced ControllerNovember Drain line components for all models System Inlet line components for MWF4300AWS Before Winter Freeze-upNovember Spring startup and cleansing Prefilter November Annual Maintenance Checklist Cleaning the Stainless Steel CasingFrequently Asked Questions Does the System affect the water pressure? Possible causes of low water pressure Problem SolutionDoes the System require electricity? What can be done to increase my water pressure?What are the maintenance requirements? What happens if the power goes out?How long does the automatic cleaning cycle take? How much water is used for flushing?How long does the Carbon Prefilter last? Can it be shut down in winter?What happens if there is a boil water alert in my area? November Troubleshooting Section Problem/Situation Correction/Action SystemSection Problem/Situation Correction/Action System 34/9 41/6Maytag Whole Home Water Filtration System Limited Warranty Filtration System Warranty Schedule Suggested ListPro-rated cost to the homeowner as a % November November
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