AUX Light Commercial Air Conditioners T1,50Hz, R410a,ON/OFF
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◇ Fresh air ventilation: In the corner of the unit there is a circular fresh air connection hole, if users want
this feature, please cut down the circular metal sheet and connect it to the duct. Fresh air hole is
connected to the return air inlet of the indoor unit, when operation, the fresh air can be introduced from
outside due to the negative pressure.