Using The Display Menus; Dhx Select Display - STIEBEL ELTRON DHX 15 Select Operation And Installation Instruction

OPERATION
Settings and displays
5.2

Using the display menus

The DHX Select features an interactive display that allow for user
customization to increase the level of comfort for the user.
The menu structure is designed in an intuitive, linear way to make
it as navigable as possible.
5.2.1 DHX Select user input
User input
T button (pressing or holding this button
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performs different functions)
Preset 1 button (pressing or holding this button
performs different functions)
Preset 2 button (pressing or holding this button
performs different functions)
Control knob (turn knob to change settings)
5.3

DHX Select display

The DHX Select display features a temperature and power capacity
display. The display is backlit and will illuminate whenever user
input is detected. The backlight will time out and deactivate if no
user input has been detected for 30 seconds.
For the name of each display element on the DHX Select, consult
section 5.1.1, "DHX Select display overview", pg. 7.
5.3.1 Base display
The base display shows the current temperature setpoint in your
preferred temperature unit. The bar below the temperature shows
the current operating capacity. As the hot water demand fluctuates,
the power capacity status will change to show between 0 and 10
segments. The display below shows that the water heater is oper-
ating at 40% of full capacity.
All other menu displays will revert back to the base display either
after a 15-second period of time without user input, or after a 5-sec-
ond hold of the T button.
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8 | DHX 15 Select
Changing the setpoint temperature
Temperature settings
Range Increment
68–140 °F 1 °F
The setpoint temperature can be set between 68 °F (20 °C) and 140 °F
(60 °C).
The setpoint can be increased by turning the control knob clockwise,
and decreased by turning it counter-clockwise. The water heater
can be deactivated while still powered by turning the control knob
counter-clockwise, past the 68 °F (20 °C) setting.
5.3.2 Parameters menu
While at the base display, holding the T
advance the display to the first parameter menu.
T parameter setting
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The first parameter menu sets the value for T
acts as a high temperature limiter. If the T
point of the water heater cannot be set above the T
feature is useful in scenarios where scalding from hot water is a
concern.
At the T setting menu, the display will flash, indicating that the
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value can be changed by rotating the control knob. The T
can be increased by turning the control knob clockwise, and de-
creased by turning it counter-clockwise. The T
activated by turning the control knob counter-clockwise, past the
68 °F (20 °C) setting. The display will read "Off" if T
If the T symbol is visible at the base display, then the T
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tion is active and is limiting the maximum allowable temperature
to the preset level.
Pressing the T button once while at this display will move the
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display onto the temperature units parameter setting.
Range Increment
20–60 °C. 0.5 °C
button for 5 seconds will
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. The value of T
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value is set, the set-
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value. This
max
max
value can be de-
max
is inactive.
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max
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value
func-