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AURATON Libra U Wireless Digital Room Thermostat User Manual

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AURATON Libra

User manual ver. 20220222

The document presents collected information on safety, assembly and use of AURATON Libra.

Weekly, wired thermostat

AURATON Libra is a weekly, wired thermostat designed to work with a gas or electric heating device.

3 independently adjustable temperatures

Day, night, anti-freezing.

9 independent temperature programs

Including 6 user-modiﬁable programs.

Backlit LCD display

The backlit display allows you to supervise the operation of the device even in poorly lit

rooms.

LCD

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General	Details
Name	AURATON Libra U Wireless Digital Room Thermostat User Manual
Make	AURATON
Language	English
Filetype	PDF (Download)
File size	0.3 MB

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Auraton Libra U Manual: Questions and Answers

Auraton Libra U specifications

Power supply	2 x AAA (2 x 1.5 V), alkaline
Differential	±0,2 °C / ±0,4 °C / PWM
Operating temperature	0 – 45 °C
Frost protection	7 °C

Full specifications, page 35

Where are the wire terminals on Auraton Libra U located?

On the back, underneath the plastic casing. User Manual, p. 5

Is the NC terminal typically used in this type of relay?

No, in most cases the NC terminal is not used. User Manual, p. 6

What's the difference between day and night temperature on Auraton Libra U?

Day temperature (S) applies during programmed intervals; night temperature (T) applies at all other times. Night temperature can't exceed day temperature. User Manual, p. 17

What do the black rectangles mean on Auraton Libra's display timeline?

Black rectangles above the timeline indicate hours when day temperature has been programmed instead of night temperature. User Manual, p. 16

How many user-defined programs does Auraton Libra U support?

Six user-defined programs, numbered 3 through 8. Factory programs 0, 1 and 2 cannot be modified. User Manual, p. 17

What do the four buttons on Auraton Libra control?

Mode selection buttons S and T switch between day and night modes. The selection button and date/time/day button navigate settings.

Button	Function
S	Day mode (comfort)
T	Night mode (economic)
Selection button	Navigate options
Date/time/day button	Set date, time, day of week

User Manual, p. 2

What do the icons on Auraton Libra U's display mean?

Icon	Meaning
S	Day mode is active
T	Night mode is active
U	Anti-freezing mode is active
V	Manual control mode is active
Y	Thermostat is powered on
X	Battery voltage is low; replace batteries soon

User Manual, p. 1

How do I know the thermostat powered on correctly?

The LCD screen displays all segments for one second, then shows the software version number. User Manual, p. 10

Auraton Libra U compared with other room thermostats

Specification	Auraton Libra U	EPH Controls CP4B	Seitron Wi-Time	EMOS P5604
Power supply	2 x AAA (2 x 1.5 V), alkaline	2 x AA Alkaline Batteries	85 .. 264 V~ 50 .. 60 Hz	2× 1.5 V AAA batteries
Differential	±0,2 °C / ±0,4 °C / PWM	0.4˚C	0,1°C ..5°C (Default0,2°C)	0.2 °C
Operating temperature	0 – 45 °C	0 … 45˚C	0°C .. +40°C	0 °C to 40 °C