Temperature Settings - A.O. Smith dre-52 Service Handbook

Temperature Settings

The Operating Set Point and the Differential Settings are adjusted in the Temperatures
Menu. The following instructions explain how to adjust these user settings and navigate the
control system menus.
From the Desktop Screen, press the Operational Button
underneath "MENU" to enter the Main Menu.
(see UIM Navigation on page 48)
Notice how the text above the Operational Buttons on
the display changes as you navigate through the various
menus and screens.
With Temperatures selected (highlight in black) in the
Main Menu, press the Operational Button underneath
"SELECT" to enter the Temperatures Menu.
If Temperatures is not selected use the Up and Down
buttons to select this menu item.
With the Operating Set Point selected (highlight in black)
in the Temperatures Menu, press the Operational Button
underneath "CHANGE" to activate the adjustment mode
for this menu item.
Press the Up and Down buttons to adjust the Operating
Set Point to the desired setting.
Press the Operational Button underneath "UPDATE" to
confirm the new setting. Press the Operational Button
underneath "CANCEL" to discard the new setting and
retain the previous setting.
The new Operating Set Point value should now be
displayed as the current value.
NOTE: Use this same procedure to adjust the Differential
settings and the Tank Probe Offset in the Temperatures
Menu.
This same procedure is used to change user settings in
other control system menus.
Servicing should only be performed by a Qualified Service Agent
ELECTRONIC CONTROL SYSTEM
ACTION
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DISPLAY