Maytag mwf4100aws owner manual Setting the Controller, Base controller

11.Restart pump or slowly open the inlet ball valve. Water will begin to enter and repressurize the System.

12.Press and hold the red button on the External Prefilter head to allow air to exit the External Prefilter Housing during filling.

Note: Step 12 is important for the External Prefilter to function properly.

13.If the System is equipped with bypass, ensure that the bypass valve is closed.

14.Flush the MAYTAG Whole Home Water Filtration System for 1 minute using the controller (refer to step 3) to purge air from the System. Open the MAYTAG Whole Home Water Filtration System outlet ball valve to return to service.

Setting the Controller

To reduce the risk of severe injury, illness, death, and/or property damage, read and follow all instructions. Use only Maytag Whole Home Water Filtration System authorized parts where required to repair and service the Maytag Whole Home Water Filtration System.

The Controller is a timing device that automatically opens the automatic drain valve to provide daily flushing and prevent accumulation of solid material that would result in premature System fouling.

The MAYTAG Whole Home Water Filtration System is equipped with either a Base Controller (Models MWF4100AWS and MFW4200AWS) or Advanced Controller (Model MWF4300AWS). The Advanced controller includes the added feature of automated inlet (solenoid) valve control. This feature provides the most thorough flushing by completely draining the system.

See Table 5 or 6 Controller Program Selection for a description of the various program choices available with each Controller.

Base Controller

(Models MWF4100AWS and MWF4200AWS)

Base Controller setup procedure- Models MWF4100AWS and MWF4200AWS

Base controller		1.	Modes: Use ‘next’ button to toggle through modes.
•	Use with low	2.	Manual flush: Press ‘next’ until ‘manual’ is flashing. Press ’manual flush’
	turbidity waters,		and hold. If held for longer than 10 seconds, drain valve remains open. Toggle
	<0.5NTU, usually		drain valve closed by pressing ‘manual flush’ once.
	pretreated	3.	Setting time of day: Press ‘next’ until ‘set time’ appears. Press ‘enter’. Use
•	municipal water.		up/down arrows to set time of day. Press ‘enter’ to set.
	Has one output	4.	Set time of flush: Press ‘next’ until ‘start time’ appears. Press ‘enter’. Use
	terminal and		up/down arrows to set time of flush. Press ‘enter’ to set.
	controls only the	5.	Setting program choice: Press ‘next’ until ‘program’ appears. Press ‘enter’.
	drain valve		Use up/down arrows to select program choice. Press ‘enter’ to set.
		(See Table 5 for programming choices.)
Table 3-Base Controller Setup		Procedure
MAYTAG Whole Home Water Filtration System Owners Manual MA1-5
November 2003			22