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temperature and 24℃.The temperature difference is bigger, the fan speed is higher.
3.3.3 Cooling mode
⚫ Compressor frequency control
The start and running frequency depends on the temperature difference between room and
setting temperature.
The running frequency will be limited by ambient temperature, indoor fan speed and
outdoor unit current.
⚫ Outdoor fan motor control
The outdoor unit fan speed changing is according ambient temperature (T4). For different
model outdoor unit, the fan speeds are different.
When the ambient temperature is lower than 15℃, the unit will enter low ambient
temperature cooling mode. The fan speed changing is according to picture below.
When T4＞15℃ and T3≥20℃ for 1 min, exist low ambient temperature cooling mode.
⚫ Indoor fan motor control
The indoor fan motor will always run until ten seconds of shutdown. The purpose of delay
stop is to prevent mildew.
You can set turbo/high/middle/low/auto fan speed. The fan speed in auto fan mode is
according to the temperature difference between room and setting temperature.
Please note that, when first power on the unit, if you didn’t set the fan speed, the unit will
run at high fan speed for 30 minutes and then run at the speed showed in controller.
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