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Protects the room against freezing.
Temporarily lower programmed temperature for 6 hours daily.
Enables device supervision in poorly lit rooms.
Displays current room temperature.
Button for confirming settings or turning the regulator on/off.
The AURATON Auriga is a daily, wired temperature controller designed to work with either a gas or electric heating device. This user manual provides comprehensive information on the safety, installation, and operation of the device.
The primary function of the AURATON Auriga is to regulate room temperature. It allows users to set a desired temperature, and the controller then manages the heating device to maintain that temperature. The device features a backlit LCD display, which enables easy supervision of its operation even in dimly lit environments.
A key feature of the AURATON Auriga is its FrostGuard function. This function is designed to protect the room against freezing. When the controller is turned off, if the room temperature drops to 2°C, the FrostGuard function automatically activates the heating device. The display will show "Fr" and a snowflake symbol, indicating that the function is active. Once the temperature rises to 2.2°C, the display will turn off, and the relay will disconnect the contacts, deactivating the heating.
The controller also offers a temporary temperature reduction mode. This feature allows users to temporarily lower the programmed temperature by 3°C for a period of 6 hours, every day, at the same time. This can be useful for energy saving during specific periods. When this mode is active, a moon symbol (C) and the hour indicator (6: h) will appear on the display. After 6 hours, the controller automatically reverts to its base temperature setting, and a sun symbol will replace the moon symbol.
The AURATON Auriga incorporates a hysteresis change feature to prevent the heating actuator from switching on and off too frequently due to minor temperature fluctuations. Users can choose between different hysteresis settings: HI 2 (± 0.2°C, factory set) and HI 4 (± 0.4°C). For example, with HI 2 and a set temperature of 20°C, the heating will switch on at 19.8°C and off at 20.2°C.
Additionally, the device supports a PWM (Pulse-Width Modulation) operating mode. In this mode, the AURATON Auriga cyclically switches the heating device on and off to minimize temperature fluctuations. It analyzes temperature rise and drop times to maintain the set temperature as closely as possible, even anticipating the thermal system's behavior. This means the heating device might turn on even if the room temperature is slightly above the set temperature, in order to maintain stability.
The AURATON Auriga is designed for straightforward operation with a simple interface consisting of a backlit LCD display and four function buttons:
To set the desired temperature, users press either the '+' or '-' button. The temperature display will blink, indicating it's in edit mode. The temperature can then be adjusted in 0.2°C increments using the '+' and '-' buttons. A short press of the 'OK' button confirms the selection.
The temporary temperature reduction mode is activated by pressing and holding the dedicated button for 3 seconds. This initiates a daily 6-hour period of reduced temperature. To disable this mode, the same button is pressed and held for 3 seconds again.
The hysteresis settings can be changed by simultaneously holding the '+', '-', and temporary temperature reduction buttons for 3 seconds. The display will show "HI," and users can then cycle through HI 2, HI 4, or HI P (PWM mode) using the '+' and '-' buttons. The 'OK' button confirms the choice.
The AURATON Auriga also includes a delay in switching on the relay. After the heating device is turned off, the relay will not turn on again for at least 90 seconds. This helps protect the heating system from rapid cycling.
Proper placement of the AURATON Auriga is crucial for its correct operation. It should be installed on an internal wall of the building (partition wall) in an environment with free air circulation. Direct sunlight, areas with no air circulation, or proximity to heat-emitting devices (like TVs, heaters, or refrigerators) can lead to incorrect temperature control. Vibrations, such as those near a door, should also be avoided.
For power, the AURATON Auriga uses two AAA 1.5V alkaline batteries. It is recommended to use alkaline batteries, as rechargeable batteries may have a lower rated voltage that can affect performance. When replacing batteries, it's important to do so within 30 seconds to retain the device's settings. After battery replacement and reassembly, pressing the 'OK' button twice is recommended to stabilize relay operation.
Cleaning the device involves using a dry cloth for the exterior. Solvents such as benzene, thinner, or alcohol should not be used. It is important to avoid touching the device with wet hands to prevent electric shock or damage. The device should not be exposed to excessive smoke or dust, and the screen should not be touched with sharp objects. Contact with liquids or moisture should also be avoided.
Installation involves removing the front cover, drilling two 6mm holes (or 2.7mm for wooden walls) in the wall, inserting wall plugs (if applicable), screwing the rear part of the housing to the wall, and then reattaching the front cover. When reassembling the housing, care must be taken to ensure the connection pins are not bent and correctly align with the relay board, as this is critical for proper operation.
General| Mounting | Wall-mounted |
|---|---|
| Temperature measurement accuracy | ±0.5°C |
| Accuracy | ±0.5°C |
| Hysteresis | 0.5°C |
| Display | LCD |
| Programs | 7-day programming |
| Weight | 150 g |
| Power supply | 230 V AC |
| Operating temperature range | 0 °C to 40°C |
| Output load | 16 A |
| Communication | Wired |
| Compatibility | Compatible with underfloor heating |
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