LIGHT / LIGHT SENSATION Function: Air Conditioner Control Depending on Illumination
General Description of the Function
The LIGHT SENSATION function is designed for automatic control of the air conditioner’s operation based on the indoor illumination level. Its main purpose is to create the most comfortable conditions for rest and sleep by reducing the fan speed and turning off bright indicators in low light conditions.
Operating Principle
The built-in illumination sensor, located either on the remote control or the indoor unit, detects a decrease in lighting levels in the room. If there is no lighting for a set period (usually about 20 minutes), the system automatically switches to a reduced indoor fan speed mode. This reduces noise levels and prevents excessive air movement.
When lighting is restored within a similar time interval, the air conditioner reverts to the previously set fan parameters. This algorithm is particularly relevant during nighttime operation or when a strong airflow is undesirable.
More advanced control is based on the use of the INTELLIGENT EYE motion sensor.
Activation and Control
To activate the LIGHT SENSATION function, follow these steps:
- Set the air conditioner to cooling or heating mode.
- Press the function menu button on the remote control.
- Use the navigation buttons to select the LIGHT SENSATION option. When selected, the symbol will start blinking.
- Press the confirmation button again to activate the function. The symbol will stop blinking and will be displayed continuously on the screen.
To deactivate the function, repeat the above procedure.
Additional Features
Some air conditioner models may interpret the LIGHT 
function as turning the indoor unit display backlight on or off. When activated, this function enables decorative or functional lighting, and when activated again, it turns the lighting off.
The LIGHT SENSATION function may also include automatic display dimming and disabling of sound signals, which is particularly important at night or in situations with high noise control requirements.
Purpose and Advantages
Using illumination-based control offers the following benefits:
- Reduction of acoustic impact through automatic fan speed reduction.
- Ensuring comfortable conditions for sleep and rest.
- Decreased energy consumption through optimized nighttime operating modes.
- Automation of air conditioner operation according to environmental conditions without manual adjustments.
Thus, the LIGHT / LIGHT SENSATION function represents an intelligent solution for adapting the performance parameters of climate control equipment to changing illumination conditions indoors.
Related articles:
Air Conditioners: Main Functions and Modes
MODE - Switching Between Main Operating Modes of the Air Conditioner
iFEEL Function in Air Conditioners
Anti-FUNGUS Function in Air Conditioners
iFAVOR Function in Air Conditioners
ECO Function in Air Conditioners
TIMER Function in Air Conditioners
TURBO Intensive Mode in Domestic Air Conditioners
SWING Function
Automatic Mode Selection SMART
INTELLIGENT EYE Motion Sensor
AIR Fresh Air Supply Function
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