It is located at the indoor unit and has a high-voltage electronic module that ionizes the surrounding air with negative ions. Ionizer is now a basic feature in most room air conditioner unit. This is a good feature to look out for before you purchase the unit. Once power is restored, the air conditioner will restart to its last settings, with the compressor being powered up randomly. The auto random restart is a feature that will retain the settings of the controls in the event of a power failure. Some simpler unit does not have a clock but has delay timers that allow you to set the number of hours elapsed before the unit is turned ON or OFF. Most units will also have timers that you can use to ON or OFF the unit based on the clock of the remote control. Higher speed is used if the difference between these two temperatures is high and lower if low. The Auto mode has a built-in intelligence that determines the speed of the fan depending on the room temperature and set temperature. Usually, the fan speed can be changed to Low, Medium, High or Auto. This is because the required cooling will reduce when one sleeps.ĭepending on the manufacturer, the set temperature could increase by 1 ☌ after 1 hour of operation, 1.5 ☌ after 1.5 hours of operation, and 2.0 ☌ after 2 hours of operation. When activated using the remote control, the air conditioner unit will raise the set temperature in steps after a period of time. This function is used when one is going to sleep. Most air conditioner controllers have the built-in economy or sleep mode function. This mode is hardly used as there is no cooling effect to the room. This is basically a dehumidifying function.įAN mode exists in some models. In the air conditioning model and depending on the manufacturer, the AUTO mode is actually operating in COOL mode but with a lower set temperature to cool down the room quickly before reverting to the set temperature of the user.ĭRY mode is a variation of COOL mode where the compressor will cycle on and off (or low speed if inverter model) for a few minutes each, depending on the temperature of the room.īy this cycling, the moisture will be removed from the room hence the humidity of the room will drop. If the room temperature is low, HEAT mode will operate, and if it goes up to a certain temperature, it will switch to COOL mode. ![]() In the heat pump model, AUTO mode is a mode that will automatically change the mode between COOL and HEAT by sensing the temperature in the room. In this mode, the evaporator effectively becomes a condenser and vice versa by using a reversing valve to reverse the flow of the refrigerant.Ī temperature setting of 24 C° is a good setting to save energy. HEAT mode is the mode that you will use when you need to heat up the room during winter. The air conditioner will regulate the temperature to achieve the setting temperature of your remote control. Look at the manual provided to see the symbols of each mode.ĬOOL mode is the default setting that you will use if you want to cool the room upon entering it. It can be set to COOL mode, HEAT mode (if your unit is a heat pump unit), DRY mode, AUTO mode, or FAN mode. ![]() The mode setting button at the remote control usually enables you to set the mode of operation. The disadvantage is this type of unit is higher cost compared to the ON/OFF type. ![]() It is also more energy efficient and environmentally friendly as most of the refrigerant used is ozone-friendly. This type of air conditioner controller provides a more comfortable cooling to the occupants as the temperature is constant most of the time. Hence the room temperature of the space being cooled can be very close to the set temperature most of the time, with some slight variation. ![]() The frequency of the rotation of the compressor can vary depending on the load required. The DC Inverter or AC Inverter type of control (obviously, the compressor will also be of DC or AC Inverter type) has better control in that it does not have to turn off totally. The other disadvantage is the starting current of easily few times of the steady state current every time the compressor starts. The disadvantage of this type of compressor is that the temperature range of the space being cooled is too big causing discomfort to the occupants during the time the compressor is either ON or OFF. Lighted Magnifying Glass That Stays PutĪn example of the operation of a compressor in cooling mode.Best Lawn Care Service for Service Dogs.
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