Maytag MWF4200AWS Technical Information download pdf (Page 120)

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7.10 What happens if the power goes out?

Nothing. The timer has a built in battery backup designed for power failure. The MAYTAG Whole Home

Water Filtration System does not require power to filter water and the System will filter water provided

adequate water pressure is available at the source. If the power goes out during a scheduled cleaning, the

System will return to filtering water and wait for the next scheduled time for cleaning.

7.11 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.

7.12 How much water is used for flushing?

Refer to section 4.8 for the Product Specifications.

7.13 How do I set a new time for the daily backwash and cleaning?

Refer to the Controller on the wall to reprogram using the instruction sheet or refer to section 5.4.7.3 for the

Base Controller or 5.4.8.3 for the Advanced Controller.

7.14 Is there a replaceable prefilter needed?

If used, the carbon prefilter needs to be replaced every 12 months.

7.15 What are the maintenance requirements?

An annual maintenance inspection, integrity test and Carbon Prefilter change is performed annually by a

MAYTAG Services Qualified Service Technician. If an External Prefilter is used, this will also need to

be checked approximately every 6 months

7.16 How long does the Carbon Prefilter last?

The Activated Carbon Prefilters are designed to filter over 100,000 US gallons. The average homeowner

will find it necessary to change the activated carbon filter every 9-12 months. The quality of water, amount

of chlorine, other contaminants in the water (chlorine), and the amount of water used determines the actual

life of an Activated Carbon Prefilter. Activated Carbon Prefilters have been designed for maximum life to

eliminate the inconvenience of changing them.

7.17 Can I water my lawn with the MAYTAG Whole Home Water Filtration

System’s filtered water?

You can use filtered water outside if you wish. You may choose to have a bypass installed if you use large

amounts of water through your outside tap that does not need to be filtered. Call MAYTAG Technical

Assistance for more details.

7.18 Can it be shut down in winter?

If the cottage or home is not winterized, there is a draining and shutdown procedure where the System is

filled with propylene glycol for the winter. Refer to section 6.2. In the spring, the propylene glycol would

be drained from the System and then sanitized for use during cottage or home opening.

7.19 What happens if there is a boil water alert in my area?

If you receive notice that there is a boil water 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.

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Maytag MWF4200AWS Technical Information Page 120