Functions of household air conditioners: cooling, heating, dehumidification, ventilation, ionization, air purification, timers, intelligent modes, and auto-drying. Principles of operation for creating a comfortable indoor climate



Air Conditioner Button Functions

8°C HEATING

The 8°C HEATING “standby heating” function automatically maintains the indoor air temperature at a minimally acceptable level of around 8°C. It is used during temporary absence of people to prevent overcooling of indoor spaces, freezing of engineering communications, and damage to finishing materials and interior elements. More details ›››

Anti-FUNGUS

The Anti-FUNGUS function prevents mold and fungus formation on the indoor unit heat exchanger by automatically blowing air after operating in cooling or dehumidifying modes, eliminating residual moisture and reducing the risk of unpleasant odors. More details ›››

AUTO

Automatic mode (Auto) — the air conditioner independently determines the optimal mode (cooling, heating, ventilation) based on the current indoor air temperature and the set parameters, maintaining a comfortable microclimate without user intervention.

CHILL WIND / HOT WIND

The Chill Wind / Hot Wind function is designed to create a directed, gentle airflow in cooling and heating modes respectively. These functions provide a softer indoor climate by forming delicate air streams. More details ›››

COOL

The COOL function is used to lower indoor air temperature. It is the primary function of an air conditioner, indicated by a snowflake symbol or the word “Cool.” It allows rapid cooling of a room during high outdoor temperatures. More details ›››

DEFROST MODE

DF The Defrost Mode automatic defrosting function is designed to remove ice buildup on the outdoor unit heat exchanger during heating operation. The DEFROST mode activates automatically, ensuring system protection and stable operation under low temperatures and high outdoor humidity. More details ›››

DISPLAY / DIMMER

The DISPLAY / DIMMER mode turns off the display backlight on the indoor unit’s front panel; the “DISPLAY” indicator appears on the remote control display. Pressing again restores the backlight on the indoor unit’s panel. More details ›››

DRY

The DRY mode is intended for dehumidifying indoor air in conditions of high humidity. Unlike cooling mode, it focuses on removing excess moisture, providing a comfortable environment without significant temperature reduction. It works through moisture condensation on the heat exchanger, with the compressor and fan operating at reduced power, saving energy and preventing mold and fungus formation. Effective during rainy seasons, high humidity, and for maintaining air quality. More details ›››

ECO

Many users mistakenly perceive the Eco mode as environmental, whereas in reality it is intended to reduce energy consumption. When activated, the split system operates at reduced power, lowering electricity usage. More details ›››

ESP

The ESP (External Static Pressure) function in duct air conditioners is designed to regulate air pressure in systems cooling several rooms or a large hall via multiple ducts. Continuous air pressure is required for constant airflow in all ducts, and the ESP function helps maintain it. More details ›››

FAN, FAN SPEED, SPEED

The ventilation mode (marked as FAN, SPEED, or FAN SPEED) circulates indoor air without cooling or heating. In this mode, only the indoor unit fan operates, while the compressor remains off. More details ›››

FRESH AIR SYSTEM

The fresh air supply function (breezer) allows split systems to draw in outdoor air, filter it, and supply it indoors, ensuring minimal air exchange. This option improves air quality in spaces with sealed windows and insufficient ventilation but has limited capacity and requires complex installation. More details ›››

FUNGUSPROOF

The FUNGUSPROOF drying and mold protection function prevents evaporator mold due to water accumulation and unpleasant odor spread. Controlled by the remote in cooling, drying, and automatic modes, the indoor unit fan operates for three minutes before shutting down, delivering a gentle airflow. More details ›››

GEN, GENERATOR

The limited power mode (GEN, GENERATOR) is intended for operating an air conditioner when the power source is unstable or limited. This function is especially relevant when connected to autonomous energy sources, including gasoline or diesel generators. More details ›››

GENTLE WIND

The “Gentle Breeze” mode (Gentle Wind) provides a soft, dispersed airflow through a perforated louver system. Useful for creating comfort without drafts, especially in rooms with children or elderly occupants. More details ›››

HEAT / HEATER

The HEAT mode provides fast and comfortable room heating, especially during cool mid-season periods. The user sets the desired temperature, adjusts fan speed and warm air direction. The system automatically maintains the selected warmth level, operates quietly and economically, and does not overdry the air. More details ›››

HOT START

The HOT START function ensures a comfortable heating start by delaying the indoor unit fan operation until the heat exchanger reaches sufficient temperature. This prevents cold air from entering the room at the beginning of heating mode operation and reduces the risk of drafts and discomfort for users. More details ›››

HEALTH

The Health function in air conditioners improves indoor air quality by removing dust, bacteria, and other harmful particles. It may include ionization, cold plasma, antibacterial filters, or self-cleaning of internal components. More details ›››

iCLEAN

The iCLEAN self-cleaning function maintains cleanliness of internal components, primarily the evaporator. The program removes accumulated dust, dirt, moisture, and microorganisms from the heat exchanger surfaces, preserving device efficiency, improving indoor air quality, and preventing mold and bacteria growth inside the unit. More details ›››

iFAVOR

The iFAVOR function stores and quickly restores user-selected operating parameters — temperature, mode, fan speed, and other options. More details ›››

iFEEL

The iFEEL function uses the temperature sensor built into the remote control. When activated, the air conditioner reads the temperature not only from the indoor unit but also from the remote, ensuring more precise climate adjustment in the user’s location. Data is transmitted via infrared, and the unit automatically regulates power and airflow direction to maintain comfort in the desired zone. More details ›››

INTELLIGENT EYE

The Intelligent Eye function is an advanced climate control system using an infrared motion sensor. It automatically detects human presence and adjusts the air conditioner’s operating parameters accordingly. The sensor, integrated into the indoor unit, identifies movement within its coverage area, optimizing airflow direction and reducing energy consumption. More details ›››

IONIZER/PLASMA

The Ionizer/Plasma function generates ions that purify the air from dust, allergens, and bacteria. The plasma version creates both positive and negative ions for deeper cleaning. Recommended usage is 2–4 hours a day with ventilation. Especially beneficial for allergy sufferers and polluted environments. More details ›››

LIGHT / LIGHT SENSATION

The LIGHT function tracks room illumination level to automatically turn the indoor unit display and operating mode on or off. More details ›››

LOCK

When LOCK is activated, the remote control stops responding to button presses. This function prevents unauthorized or accidental changes to settings via the remote. More details ›››

MODE

The MODE function switches between main operating modes: cooling (Cool), heating (Heat), ventilation (Fan), dehumidifying (Dry), and automatic (Auto), where the unit selects the appropriate algorithm based on indoor conditions. Each mode is activated by pressing the MODE button on the remote, displayed with a corresponding icon or text, and can be additionally adjusted for temperature and fan speed. More details ›››

MUTE

When the MUTE silent operation function is activated, the remote displays “auto” fan speed, and the indoor unit operates at the lowest fan speed to maintain quietness. More details ›››

QUIET

Used to enable or disable QUIET mode (lowest fan speed and minimum noise level). More details ›››

SELF-CLEAN

The SELF-CLEAN / BLOW / X-FAN function activates in cooling and dehumidifying modes to remove moisture and dirt accumulated on the indoor unit heat exchanger during operation. Proper cleaning requires at least 10 minutes of continuous operation in cooling or dehumidifying mode beforehand. More details ›››

SILENT

In SILENT mode, the air conditioner runs at minimal noise. Indoor unit fan speed is reduced to the lowest possible, and compressor performance of the outdoor unit is limited by a special algorithm. More details ›››

SLEEP

The SLEEP / GOOD SLEEP function activates night mode. Indicated on the remote by a crescent moon with a star symbol. The corresponding indicator appears on the remote display, and the indoor unit screen may turn off. Designed for nighttime or rest periods to minimize noise. The fan runs quietly, ensuring comfort and saving energy. Temperature is automatically adjusted slightly up or down to provide optimal sleeping conditions. More details ›››

SMART

The SMART function automatically selects the mode required to maintain the indoor temperature within 22–26°C with minimal energy consumption. More details ›››

SOFT BREEZE

When the Soft Breeze function is activated, vertical louvers close automatically, creating a smooth, comfortable airflow. More details ›››

SUPER

The SUPER mode rapidly heats or cools the room. It can be activated during operation or upon power connection. Timer settings and airflow direction adjustment are available in SUPER mode. More details ›››

SWING

The SWING function adjusts airflow direction using louvers that can be set vertically and horizontally . More details ›››

TIMER

The TIMER function on the remote sets the automatic start or stop time. It allows scheduling for independent climate control without user intervention. More details ›››

TURBO

The TURBO function maximizes compressor and fan performance to reach the set temperature quickly. It consumes significantly more electricity and operates with increased noise compared to standard modes. More details ›››

Air Filtration / Filter Cleaning

The air filtration function uses a filter system to remove dust, allergens, bacteria, and viruses from incoming air. It improves air quality by eliminating pollen, mold spores, and other particles, reduces infection risk, protects internal components from dirt and wear, and increases energy efficiency by ensuring optimal airflow and reducing compressor and fan load. More details ›››

Operation Without Remote Control (Emergency Operation)

The operation without remote control function is necessary in case of absence or malfunction of the remote. Turning the unit on or off is done via buttons located on the indoor unit casing. Limited functionality is available. Alternative control methods — via a mobile app with a Wi-Fi module, or using a universal remote. More details ›››



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