25
Water Heater Optional User Display - Operation Instructions
After power on, all segments on the LCD will be
displayed for 2 seconds, (See Diagram A) followed by
software revision shown for 2 seconds (See Diagram
B).
User Mode is entered after all required data is received
from the appliance when powered-up. The display
shows temperature setpoint, estimated amount of
hot water and maximum temperature setpoint. Heat
symbol is turned on when heating cycle is active.
Scald warning starts flashing whenever the adjusted
setpoint exceeds the “Hot” setting and becomes solid
after 30 seconds of flashing.
Unlocking the User Display
The user display includes a display lock that will
prevent accidental adjustments to the water heater.
To unlock the display, hold down the UP and
DOWN arrow buttons until the lock icon flashes and
disappears. The display can now be adjusted. The
display will automatically relock if no button presses
are detected within a 60 second period.
CAUTION: Risk of Scalding
Increases with Hotter Water
Heat
Very Hot
C
B
A
Hot
•
•
•
Low
Max Setting
SERVICE
NEEDED
Error
88
ON
VAC
HI DEMAND
Est. Hot
Water
Done Mute
Clear Mode
ON
Est. Hot
Water
Very Hot
C
B
A
Hot
•
•
•
Low
Up/Down
Keys
Display Temperature Setting Limits
Display Temperature Setting
Water heater setpoint temperature is shown using verti-
cal bars on the display. The more bars shown the higher
the setpoint temperature. Use the UP or DOWN arrows
to select the desired setpoint temperature. The top bar
indicates the water heater setpoint. The picture on the
right shows a setpoint of “A”.
Notice: When the temperature is set above "HOT",
the display will show the "Risk of Scalding Cau-
tion".
When the desired setpoint is shown on the display, press
the "Done" button below the display. The user display
will then lock to prevent accidental adjustments.
ON
Est. Hot
Water
Very Hot
C
B
A
Hot
•
•
•
Low
CAUTION: Risk of Scalding
Increases with Hotter Water
Heat
Done
Mode
Done Button
Diagram A
Diagram B
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