Maytag MWF4200AWS Technical Information download pdf (Page 3)

4.4.1 MAYTAG Whole Home Water Filtration Cycle ....................................................................................4-5

4.4.2 Automatic Front / Backflush Cleaning Cycle (All Models)..................................................................4-6

4.4.3 Automatic Drain Cleaning Cycle (MWF 4300 AWS only) ..................................................................4-7

4.5 MAYTAG CERTIFICATION AND TESTING SUMMARY........................................................................4-8

4.5.1 NSF Certifications........................................................................................................................................4-8

4.5.2 Independent Laboratory Testing Results – Biovir Laboratories.........................................................4-10

4.6 MAYTAG WHOLE HOME WATER FILTRATION OPTIONS AND CONTROLLERS........................4-10

4.6.1 MAYTAG Whole Home Water Filtration Options ..............................................................................4-10

4.6.2 MAYTAG Controllers ...............................................................................................................................4-14

4.7 MAYTAG PRODUCT MATRIX...............................................................................................................4-18

4.8 PRODUCT SPECIFICATIONS .....................................................................................................................4-18

5 MAYTAG INSTALLATION INSTRUCTIONS ...............................................................................5-1

5.1 MAYTAG SYSTEM INSTALLATION LOCATION WITH OTHER WATER DEVICES .........................5-1

5.2 TYPICAL HOUSEHOLD INSTALLATIONS - OVERVIEW .........................................................................5-1

5.2.1 Municipal and Well/Cistern Systems – MWF 4100 AWS and MWF 4200 AWS............................5-2

5.2.2 Surface Water Systems –MWF 4300 AWS.............................................................................................5-3

5.2.3 Pump/Pressure Tank Systems .....................................................................................................................5-4

5.2.4 System Drain .................................................................................................................................................5-5

5.2.5 Municipal, Cistern and Well Sources........................................................................................................5-6

5.3 INSTALLATION REQUIREMENTS ..............................................................................................................5-7

5.3.1 Drinking Water Tool Kit Disinfection ......................................................................................................5-8

5.4 INSTALLATION.............................................................................................................................................5-9

5.4.1 Pre-Installation Inspection...........................................................................................................................5-9

5.4.2 Inside the System Box................................................................................................................................5-10

5.4.3 Removal from Box.....................................................................................................................................5-11

5.4.4 Pressurizing Backpulse Tank....................................................................................................................5-12

5.4.5 Positioning and Pipe Assembly ................................................................................................................5-13

5.4.6 External Prefilter Assembly (MWF 4300 AWS) ..................................................................................5-19

5.4.7 MWF 4100 AWS, MWF 4200 AWS Controller (Base Controller)...................................................5-20

5.4.8 MWF 4300 AWS Controller (Advanced Controller) ...........................................................................5-25

5.5 COMMISSIONING .......................................................................................................................................5-30

5.5.1 Check for Pressure......................................................................................................................................5-30

5.5.2 Remove Cap and Internal Prefilter Bag ..................................................................................................5-31

5.5.3 Filling and Flushing the System for 15 minutes (after the External Prefilter Assembly Installation

if included)...................................................................................................................................................5-32

5.5.4 Integrity Test................................................................................................................................................5-33

5.5.5 Sanitize System...........................................................................................................................................5-37

5.5.6 Trans Membrane Pressure (TMP) Test...................................................................................................5-38

5.5.7 Cleaning the Stainless Steel......................................................................................................................5-41

6 MAINTENANCE........................................................................................................................................6-1

6.1 MAINTENANCE SCHEDULE........................................................................................................................6-1

6.2 WINTERIZATION PROCEDURE..................................................................................................................6-3

6.2.1 Spring Start -up after Winterization............................................................................................................6-7

6.3 MAYTAG REPLACEMENT PROCEDURES ...........................................................................................6-10

6.3.1 Replacement Parts ......................................................................................................................................6-10

6.3.2 Replacement Procedures............................................................................................................................6-11

6.4 MAINTENANCE CLEANING AND SANITIZING PROCEDURES.............................................................6-16

6.4.1 Integrity Test................................................................................................................................................6-17

6.4.2 Sanitizing Procedure ..................................................................................................................................6-18

6.4.3 Cleaning Solution Procedures...................................................................................................................6-23

6.5 MAINTENANCE SERVICE TAG................................................................................................................6-26

7 FREQUENTLY ASKED QUESTIONS ...............................................................................................7-1

7.1 WHAT DOES THE MAYTAG WHOLE HOME WATER FILTRATION SYSTEM DO ?........................7-1

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Maytag MWF4200AWS Technical Information Page 3

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