American Water Heater STCE3-52/80/119 ユーザーズマニュアル

Servicing should only be performed by a Qualified Service Agent

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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.

Use the Up/Down buttons to select (highlight in black) 
the Economy Mode Setup menu from the Main Menu. 
Press the Operational Button underneath “SELECT” to 
enter the Economy Mode Setup menu.

Use the Up/Down buttons to select (highlight in black) 
Setpoint Adjustment. Press the Operational Button 
underneath “CHANGE” to activate the adjustment mode 
for the Setpoint Adjustment value.

Use the Up/Down buttons to change the Setpoint 
Adjustment to the desired value. The Setpoint 
Adjustment value is adjustable from 2°F to 50°F. The 
factory default is 20°F.

Notice how the text above the Operational Buttons on 
the display changes to “UPDATE” & “CANCEL” when the 
adjustment mode is activated and how the current value 
is outlined rather than highlighted in black.

Press the Operational Button underneath “UPDATE” to 
enter and confirm the new value. Pressing the 
Operational Button underneath “CANCEL” would discard 
the new value and retain the previous value.
The new Setpoint Adjustment value should now be 
displayed as the current value.