Maytag MWF4200AWS Technical Information download pdf (Page 10)

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• To avoid System damage: Ensure that a Stainless Steel Prefilter or Carbon Prefilter is in place

during operation of the System. In the absence of an internal Prefilter, abrasive damage to the

System may occur. A damaged System may permit contaminated water to enter the household

distribution system causing illness. Irreversible and premature fouling of the System may also

occur resulting in System replacement at the owner’s expense.

2.3 Service and Maintenance Safety

• To avoid electric shock: Disconnect the AC power from the MAYTAG Whole Home Water

Filtration System before servicing the controller; do not remove the controller cover while System

is in use. Only MAYTAG Services Qualified Service Technicians should attempt to service the

controller.

• Important: The MAYTAG Whole Home Water Filtration System must be kept in a wetted

condition. Once installed or during service and maintenance activities, do not allow the System to

sit completely drained for extended periods (>12 hours). Failure to do so may damage the System

and cause contaminated water to enter the household for consumption.

The MAYTAG Whole Home Water Filtration System must be kept wet at all times after installation.

Failure to do so may cause the System to dry and become damaged, which may lead to personal injury,

and/or physical damage and will void any warranty.

2.4 Winter Storage

• The MAYTAG Whole Home Water Filtration System will be damaged if frozen. The System must be

winterized according to the Winterization Procedure 6.2 by a MAYTAG Services Qualified Service

Technician.

The MAYTAG Whole Home Water Filtration System must be;

winterized prior to temperatures falling below 0°C (32°F). Failure to do so may cause the System to dry,

freeze and become damaged, which may lead to personal injury, and/or physical damage and will void

any warranty.

2.5 Other Safety Recommendations

• Do not plug in the Controller transformer if there is water on the electrical wiring or the power

supply.

• Always shut off water flow and release water pressure before cleaning or maintaining the System.

• The System is intended for indoor use only. The power supply and controller must not be exposed

to weather elements.

• A MAYTAG Services Qualified Service Technician must perform an Integrity Test, Procedure in

section 5.5.4, at least once a year.

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Maytag MWF4200AWS Technical Information Page 10