Programming The Water Softener - Rheem RHW42 Installation And Operation Manual

Programming the Water Softener

Status Light
Salt Lid
(see Page 16)
FIG. 16
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
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.
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.
Display
RECHARGE
button
FIG. 17
RHWSC Water
®
FIG. 18
13
s
1. Press the UP or
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.
s
1. Press the
UP or
hardness of your water supply, in grains per gallon.
The default is 25.
UP button
DOWN
button
SELECT
button
FIG. 19
FIG. 20
DOWN buttons to set the
DOWN buttons to set the
FIG. 21
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