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Air exhaust duct connection
1. air exhaust duct can be extended from 0.5 to 1.5 meters, the unit
works more efficiently while the air exhaust duct is shorter.
2. please make sure the air exhaust duct is not distorted, or flow back
the hot air to increase the temperature of the body. If so, the unit will
stop running automatically
3. please make sure not to use other type of air exhaust duct, or over extend
the exhaust duct. Otherwise the unit working efficiency will decrease.
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