Operation
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.
