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WWW.STIEBEL-ELTRON-USA.COM TEMPRA TREND & TEMPRA PLUS | 7
ENGLISH
OPERATION
USING THE DISPLAY
The accumulated cost savings updates daily, and shows the es-
timated savings for the user compared to an install where they
would have had a tank-type water heater installed.
This savings estimate is based on the users electricity cost. For
the most accurate estimate, the electricity cost per kWh should
be set in the electricity cost parameter setting menu. For infor-
mation on how to do this, see section “Electricity cost parameter
setting”, pg. 8.
Pressing the Information button will advance back to the base
display. The display will also revert back to the base display if no
user input is detected for 15 seconds.
5.3.3 Parameters menu
The parameters menu allows multiple settings on the Tempra Plus
to be altered. The parameters menu can be accessed by holding
the Information button for 5 seconds.
T
max
parameter setting
The first parameter menu sets the value for T
max
. The value of
T
max
acts as a high temperature limiter. If the T
max
value is set, the
setpoint of the water heater cannot be set above the T
max
value.
This feature is useful in scenarios where scalding from hot water
is a real possibility.
At the T
max
setting menu, the temperature value will flash, indicat-
ing that the value can be changed by rotating the control knob. The
T
max
value can be increased by turning the control knob clockwise,
and decreased by turning it counter-clockwise. The T
max
value can
be deactivated by turning the control knob counter-clockwise,
past the 68 °F (20 °C) setting. The display will read "Off" if T
max
is
inactive.
If the T
max
symbol is visible at the base display, then the T
max
func-
tion is active and limiting the maximum allowable temperature.
Pressing the Information button once while at this menu will move
the display onto the temperature units parameter setting.
Temperature units parameter setting
The Tempra Plus is capable of displaying temperature in either
Fahrenheit or Celsius.
The current unit will be shown and the secondary display value
will be flashing to indicate that the value can be changed. Rotate
the control knob to change the value between Fahrenheit and
Celsius.
Pressing the Information button once while at this menu will move
the display onto the volume units parameter setting.
Volume units parameter setting
The Tempra Plus is capable of displaying volume or volume flow
in either gallons per minute (gpm) or liters per minute (l/min).
The current volume unit will be displayed and the value will be
flashing to indicate that it can be changed. Rotate the control
knob to change the value between gallons per minute and liters
per minute.
Pressing the Information button once while at this menu will ad-
vance the display to the electricity cost parameter setting.
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