13
Programming the Water Softener
Salt Lid
Status Light
(
see Page 16)
FIG. 16
Display
FIG. 19
DOWN
button
RECHARGE
button
SELECT
button
UP button
CLEAN REMINDER
The screen in Figure 17 appears, with “CLEAn” flash-
ing in the display, when four months have elapsed on
the system’s timer since start up or the last reset.
This is a reminder to use Rheem
®
RHWSC Water
Softener Cleaner (P/N RHWSC21) three times a
year. To reset the timer, press any button on the con-
trol panel and “CLEAn” will disappear.
PROGRAM THE SOFTENER
When the power supply is plugged into the electrical
outlet, the model code (rH42) and a software version
number (example: r4.2), are briefly shown in the face-
plate display. Then the words “SET TIME” appear
and “12:00 PM” begins to flash.
1. Press the
r UP or s DOWN buttons to set the
present time. Up moves the display ahead; down
sets the time back.
NOTE: Press buttons and quickly release to slowly
advance the display. Hold the buttons down
for fast advance.
NOTE: On Wi-Fi connected systems, the current time
will be updated and maintained automatically
via Wi-Fi.
2. When the correct time is displayed, press the
SELECT button, and the display will change to
show the “Hardness” screen.
STEP 2. SET WATER HARDNESS NUMBER
If you completed the previous step, the word “HARD -
NESS" should show in the display. Otherwise, press
the SELECT button several times until it does.
1. Press the r UP or s DOWN buttons to set the
hardness of your water supply, in grains per gallon.
The default is 25.
FIG. 17
FIG. 18
FIG. 20
FIG. 21
STEP 1. SET PRESENT TIME OF DAY
If the words “SET TIME" do not show in the display,
press the SELECT button a few times until they do.
continued on next page
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