Certifications and Testing | Maytag mwf4100aws specification

Bypass Procedure

1.Close the Inlet and Outlet ball valves (turn handles clockwise). Ball valves are in the closed position when the handle is positioned perpendicular to the water pipe. (See Photo 2a and 2b on previous page.)

2.Open Bypass Valve (turn handle counter-clockwise).

3.Unplug controller.

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 MWF4200AWS and MWF4300AWS:

System Tested and Certified by NSF International against NSF/ANSI 42 and 53 for:

•Cyst Reduction

•Turbidity Reduction

•Particulate Reduction - Class 1

MAYTAG Whole Home Water Filtration System Owners Manual MA1-5

November 2003

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Maytag mwf4100aws owner manual Certifications and Testing, Models MWF4200AWS and MWF4300AWS

Contents

Table of Contents Important see safety warnings and cautions inside Dealer and System Information Thank you… Safety Instructions Using this Manual … Service and Maintenance Safety Operational Safety Winter Storage Other Safety Precautions Photo Models MWF4200AWS and MWF4300AWS Certifications and Testing Model MWF4100AWS Legal Disclaimer Service Trademarks System Description Replacement Parts Startup of a new Maytag Whole Home Water Filtration System Maintenance ScheduleSanitizing Your Household Distribution System Model 41004200 4300 Required service Comments Every 6 mo Every 12 Mo MWF4300AWS Drain the System for 1 minute Shut off water Prefilter CleaningRemove the cap and internal prefilter from the System Stainless Steel Re-install Internal Model Cleaning Chemical UsedSoak 60 min Fill and Flush for 30 min Replacing the External Sediment Prefilter Cartridge Stopcock Page Base Controller Models MWF4100AWS and MWF4200AWS Setting the Controller Advanced Controller Model MWF4300AWS Choosing a Controller ProgramBase Controller Advanced Controller Winterization Procedure November Drain line components for all models System Before Winter Freeze-up Inlet line components for MWF4300AWS November Spring startup and cleansing Prefilter November Cleaning the Stainless Steel Casing Annual Maintenance ChecklistFrequently Asked Questions What can be done to increase my water pressure? Possible causes of low water pressure Problem SolutionDoes the System require electricity? Does the System affect the water pressure? How much water is used for flushing? What happens if the power goes out?How long does the automatic cleaning cycle take? What are the maintenance requirements? Can it be shut down in winter? How long does the Carbon Prefilter last?What happens if there is a boil water alert in my area? November Section Problem/Situation Correction/Action System Troubleshooting Section Problem/Situation Correction/Action System 41/6 34/9 Filtration System Warranty Schedule Suggested List Maytag Whole Home Water Filtration System Limited WarrantyPro-rated cost to the homeowner as a % November November