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How does a split system air conditioner work?
A split system air conditioner consists of two main components: an indoor unit and an outdoor unit. Here’s how it works:
1. Indoor Unit: The indoor unit of a split system air conditioner is typically installed on a wall or ceiling inside the room you want to cool. It contains the evaporator coil, a fan, and various controls. When you turn on the air conditioner, the indoor unit pulls warm air from the room into the unit. 2. Refrigerant Circulation: Inside the indoor unit, the warm air passes over the evaporator coil, which contains cold refrigerant. The refrigerant absorbs the heat from the air, causing the air to cool down. The cooled air is then blown back into the room by the fan. 3. Outdoor Unit: The outdoor unit of a split system air conditioner is located outside the building. It houses the compressor, condenser coil, and a fan. The compressor pressurizes the refrigerant and pumps it to the outdoor unit. 4. Heat Dissipation: In the outdoor unit, the hot refrigerant releases the heat it absorbed from the indoor air as the condenser coil and fan help dissipate the heat into the outdoor environment. This process cools down the refrigerant, preparing it to absorb more heat from the indoor air. 5. Refrigerant Cycle: The cooled refrigerant, after releasing heat in the outdoor unit, is sent back to the indoor unit through copper tubing. This closed-loop refrigerant cycle continues as long as the air conditioner is running, continuously cooling and recirculating the indoor air. 6. Temperature Control: The split system air conditioner maintains the desired temperature by monitoring the room temperature with a thermostat. When the room reaches the set temperature, the air conditioner cycles off until the temperature rises again, at which point it cycles back on to cool the room.
Split system air conditioners are popular because they provide efficient cooling, are relatively quiet, and allow for individual temperature control in different rooms. The separation of the indoor and outdoor units also allows for flexible installation options and reduced noise inside the room.