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THANK YOU for purchasing this high-quality product. 

 TM

DRINKING WATER SYSTEM 

MODEL: M-550

W11292123A

Tested and certified by NSF International against NSF/ANSI 

Standard 58 for the reduction of the claims specified on the 

Performance Data Sheet.

INSTALLATION, OPERATION AND 

SERVICE MANUAL

This drinking water system contains replaceable treatment components critical for effective performance. It is the user’s 

responsibility to, and the manufacturer strongly recommends that the user, periodically test the product water to verify that system 

is performing satisfactorily.

If MAYTAG™ replacement filters and modules are not used, health related contaminant reduction claims are invalid.

Summary of Contents for M-550

Page 1: ...heet INSTALLATION OPERATION AND SERVICE MANUAL This drinking water system contains replaceable treatment components critical for effective performance It is the user s responsibility to and the manufacturer strongly recommends that the user periodically test the product water to verify that system is performing satisfactorily If MAYTAG replacement filters and modules are not used health related co...

Page 2: ...MITS FOR FEED WATER 6 SYSTEM LAYOUT 7 MAJOR SYSTEM COMPONENTS 7 TOOLS RECOMMENDED FOR INSTALLATION 7 SITE SELECTION FOR MAJOR SYSTEM COMPONENTS 7 INSTALLATION INSTRUCTIONS 8 OPERATION AND MAINTENANCE 9 NORMAL OPERATION 9 CHANGING MODULES 10 IN LINE ACTIVATED CARBON POST FILTER ASSEMBLY 10 CHANGING THE IN LINE ACTIVATED CARBON POST FILTER 10 EXPLODED VIEW AND PARTS LIST 11 PARTS LIST 12 OTHER COMPO...

Page 3: ...rding to the CDC EPA bringing water to a rolling boil for one minute is the most certain approach for killing Cryptosporidium All individuals should take adequate precautions when changing the filter cartridges including protective gloves to avoid direct contact with the exhausted cartridges For complete specifications refer to the Performance Data Sheet NOTE This drinking water system contains re...

Page 4: ... for water production and is less susceptible to fouling by particulate matter turbidity and colloidal materials ACTIVATED CARBON The Activated Carbon module contains carbon particles with a vast network of pores The tremendous surface area of these pores typically 800 1200 g m of carbon gives the carbon very good adsorptive sites for substances that contribute to tastes and odors IN LINE ACTIVATE...

Page 5: ...OT USED IN BASEMENT INSTALLATIONS A PROPER AIR GAP MUST BE CREATED PLEASE CHECK WITH LOCAL PLUMBING CODES SEE EXAMPLE ABOVE BASEMENT FLOOR NOTE FOR REFRIGERATOR WATER DISPENSER OR ICE MAKER HOOKUP TEE INTO 3 8 BLUE TUBING TO DISPENSING FAUCET Close up of Manifold Refer to section Manifold Assembly Instructions on Page 8 1 Dispensing Faucet 2 Cover 3 Holding Tank Shutoff Valve Open Position 4 Drink...

Page 6: ...osmosis treated water when the system is operated without a storage tank or when the storage tank is bypassed Efficiency rating means the percentage of the influent water to the system that is available to the user as reverse osmosis treated water under operating conditions that approximate typical daily usage This reverse osmosis system contains a replaceable component critical to the efficiency ...

Page 7: ...sons the system s flexible design allows for other locations While determining the location the access to a cold water tap line the household drain and ease of filter replacement are important considerations If winter temperatures are severe the area should be above the minimum temperature listed in Table 2 for proper performance Do not expose unit or tubing to direct sunlight 1 Dispensing Faucet ...

Page 8: ... Clamp port as a drill guide drill a 7 32 hole through the wall of the drain pipe Do not penetrate the opposite side of the pipe 3 Locate the 3 8 1 cm Black Drain Tubing connected to the Dispensing Faucet Route tubing to the Drain Clamp and trim to length NOTE Cut the Polytube clean and square Failing to do so can cause poor connections and possible leaks IMPORTANT The lowest point of the line mus...

Page 9: ...derside of the manifold Trim the top of membrane bag exposing the white plastic seal While holding onto bag insert membrane into manifold The O rings must be up towards the manifold Take the remaining housing and insert housing O ring into its groove Engage and firmly tighten housing by hand only 4 Remove the plug labeled ACTIVATED CARBON from the underside of the manifold Unwrap Activated Carbon ...

Page 10: ... product water tubing that runs from the Holding Tank to the Tee see Figure 1 Put 50 drops of bleach this is equal to 1 2 tsp or 3 ml 0 003 L into the tubing and reconnect it to the Tee NOTE Now is the convenient time to change the In Line Activated Carbon Post Filter Refer to the section Changing the In Line Activated Carbon Post Filter Slowly open the Feed Water Valve When water begins dripping ...

Page 11: ...11 EXPLODED VIEW AND PARTS LIST 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 OUT IN 19 IN LINE ACTIVATED CARBON POST FILTER ASSEMBLY Figure 6 Exploded View ...

Page 12: ...day 227 liter day 14 S1580 Water Quality Test Kit 15 S7225X M Activated Carbon Module 16 S3072 Wrench for Housing 17 S1405 1 4 3 8 Fitting Wrench 18 S1447 Nitrate Nitrite Test Kit 19 S7206W JG In Line Activated Carbon Post Filter Not illustrated in Figure 6 Exploded View OTHER COMPONENTS Refer to Figure 1 DRAWING NO PART NO DESCRIPTION 2 S2123 MBSLTD Cover MAYTAG Blue slotted 4 JG PI301208S 3 8 x ...

Page 13: ...check The ASO Valve is malfunctioning Replace ASO Valve components Low pressure at the Dispensing Faucet In Line Activated Carbon Post Filter is plugged Replace Post Filter Air precharge in the Holding Tank is too low Empty water from Holding Tank and with the faucet open Adjust the air pressure to 5 7 PSIG 35 48 kPa range Check for leakage at the Air Valve Stem Holding Tank Valve is partially clo...

Page 14: ...Holding Tank Clean flush and sanitize the system Replace the filters The Product Water and Drain Water lines are reversed Correct plumbing Dissolved gases in the Feed Water Pre treat Feed Water to remove dissolved gases Increase in Product Water TDS See high TDS in the Product Water section Drain Water overflows at the Dispensing Faucet Air Gap is blocked Clear air gap Rinse with vinegar for remov...

Page 15: ...use of the Equipment and in no event shall the extent of this Warranty coverage exceed the purchase price of the Equipment LE cannot know the characteristics of a CONSUMER S water supply or the purpose for which one is purchasing MAYTAG Equipment Also water qualities vary seasonally and over time Therefore LE assumes no liability for the determination of the proper equipment necessary to meet a CO...

Page 16: ...9 2019 MAYTAG All rights reserved Manufactured under license by LeverEdge Limited warranty provided by the manufacturer Printed in the U S A 01 19 1423 Gunn Highway Odessa FL 33556 Phone 866 910 8351 l maytagwater com ...

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