Programming the Control

CONTROL SETTINGS REQUIRED upon installation and after an extended power outage.

NOTES:

•WHEN THE TRANSFORMER IS PLUGGED INTO THE ELECTRICAL OUTLET (see step 9), 12:00 AM (flashing), and PRESENT TIME show in the display area. Program the control as instructed below. If SR - - is flashing, use the UP (+)

button to set the correct SR code as follows: SR35 for GNSF35, SR31 for GXSF39, or SR22 for GXSF27. If you pass by the correct code number, use the DOWN (-) button. Then press the SELECT button and program the control.

•A “beep” sounds while pressing buttons for control programming. One beep signals a change in the control display. Repeated beeps mean the control will not accept a change from the button you have pressed, and you should use another button.

•To program the control, you will use the UP (+) , DOWN (-) and SELECT buttons.

SET PRESENT TIME OF DAY PRESENT TIME

NOTE: If the words PRESENT TIME do not show in the display, press the SELECT button until they do.

1.Press the UP (+) or DOWN (-) button to set. The UP button moves the display ahead; the DOWN button moves the time backward.

If the present time is between noon and midnight, be sure PM

shows .

PRESENT TIME

NOTE: Each press of an UP (+) or DOWN (-) button changes the time by one minute. Holding the button in changes the time

32 minutes each second .

PRESENT TIME

2.When the present time shows, press SELECT to set. If the present time is between midnight and noon, be sure AM shows.

SET WATER HARDNESS NUMBER

NOTE: If 15 (factory default) and

HARDNESS

HARDNESS do not show in the display, press SELECT until they do.

1.Press the UP (+) or DOWN (-) button to set your water hardness number in the display. DOWN (-) moves the display down to 1. UP (+) moves the maximum setting.

NOTE: Each press of a button changes the display by 1 between 1 and 25. Above 25, the display changes 5 at a time (25, 30, 35, etc.). Holding a button in changes the numbers twice each second.

2.When your water hardness number shows, press SELECT to set.

NOTE: If there is clear water iron in your water supply, you will need to increase the hardness setting by 5 for each 1 ppm of clear water iron in your water supply.

You can get the grains per gallon (gpg) hardness of your water supply from a water analysis laboratory, or call and ask your local water department, if you are on a municipal supply, or call GE Answer Center® to request a water hardness test kit. If your report shows hardness in parts per million (ppm) simply divide by 17.1 to get the equivalent number of grains per gallon.

	UP (+)
Display	button
Display

DOWN (-) button

TOUCH or HOLD button	SELECT button

SET REGENERATION (STARTING) TIME

NOTE: RECHARGE TIME and a flashing 2:00 AM (factory default) should show in the display. This is a good time for regeneration to start (over in about 2 hours) in most households because water is not in use. HARD WATER is bypassed to house faucets during regeneration.

If no change is needed, go to step 2. To change the regeneration starting time, follow step 1.

1.Press the UP (+) or DOWN (-) button to set the desired regeneration start time.

NOTE: Each press of the buttons changes the time by 1 hour. Holding the buttons in changes the time twice each second.

2.Press the SELECT button once more.

	Be sure to observe the AM or PM, as	RECHARGE TIME
	you did when setting the time of day.	RECHARGE TIME
	you did when setting the time of day.

The display shows the present time of day and RECHARGE TONIGHT.

RECHARGE TONIGHT

GXSF27B GNSF35Z GXSF39B specifications

The GE GXSF27B, GNSF35Z, and GXSF39B are part of General Electric's line of advanced water filtration systems designed to enhance water quality for residential use. Each model boasts unique features and technologies aimed at providing clean and safe drinking water while ensuring convenient and efficient operation.

The GE GXSF27B model is known for its high-capacity, high-flow filtration capabilities. This system can effectively reduce sediment, chlorine taste and odor, and other impurities that can affect water quality. The GXSF27B comes equipped with a user-friendly control panel that simplifies monitoring and maintenance. Its compact design allows for seamless installation in various spaces, making it an attractive option for homeowners seeking efficient filtration without the bulk.

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