DC Inverter U-match Series Cassette Type Unit 
56 
5.3 Unit Maintenance 
①.  Only professionals are allowed to carry on daily maintenance. 
②.  Before contacting any wire, make sure power is cut off. 
③.  Do not let any inflammable objects near the unit. 
④.  Do not use organic solvent to clean the air conditioner. 
⑤.  If you need to replace a component, please ask a professional to repair with a 
component supplied by the original manufacturer so as to ensure the unit’s 
quality. 
⑥.  Improper operation may get the unit broken, hit by electric shock or cause fire. 
⑦.  Do not make the air conditioner wet or electric shock may be lead; Ensure that 
the  air  conditioner  will  not  be  cleaned  by  water  rinsing  under  any 
circumstance. 
①.  Before cleaning, please make sure the unit is stopped. Cut the circuit breaker 
and remove the power socket, otherwise, electric shock may occur. 
②.  Do not wash the air conditioner with water, otherwise fire hazard or electric 
shock may occur. 
③.  When cleaning the filter, please be careful of your steps. If you need to work 
high above the ground, please be extremely careful.