A.O. Smith DRE PLUS, Инструкция по установке, эксплуатации и обслуживанию

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3.1.1.1 Symbols on the display
The symbols on the display give visual information about the status of the water heater.
Symbol Description
There is a heat demand.
The water temperature rises.
End of water heating (standby).
The water temperature drops.
The water heater is not able to initiate the heating
cycle.
The heating element icons for a water heater with
one, two or three rows of elements. The open cir-
cles represent the heating elements that are not
energized.
The heating element icon for a water heater with
one, two or three rows of elements. The filled cir-
cles represent the heating elements that are ener-
gized with an electrical current.
The heating element icon for a water heater with
one, two or three rows of elements. The circles
with an X represent the heating elements that are
energized with no electrical current.
The control system is in heating mode.
Error.
Warning.
3.1.2 Display buttons
With the buttons on the display, the menu of the water heater can be accessed.
Button Function
[MENU] Go to menu
[BACK] One step back in menu
Changed settings will not be saved
20 User part
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