U-Match Series Cassette Type Unit 
3 
  WARNING! 
(9)  Please install the air conditioner in a secure place that can withstand the 
weight of air conditioner. Insecure installation may cause the air conditioner 
falling down and lead to injury. 
(10)  Be sure to adopt independent power circuit. If the power cord is damaged, it 
must be repaired by the manufacturer, service agent or other professional 
(11) 
The air conditioner can be cleaned only after it is turned off and 
power-disconnected, otherwise electric shock may occur. 
(12)  The air conditioner is not intended to be cleaned or maintained  by children 
(13)  Do not alter the setting of pressure sensor or other protective devices. If the 
protective devices are short-circuited or changed against rules, fire hazard or 
even explosion may occur. 
(14)  Do not operate the air conditioner  with wet hands. Do not wash or sprinkle 
water on the air conditioner, otherwise malfunction or electric shock will occur. 
(15)  Do not dry the filter with naked flame or an air blower; otherwise the filter will 
(16)  If the unit is to be installed in a small space, please adopt protective measures 
to prevent the concentration of refrigerant from exceeding the allowable safety 
limit; excessive refrigerant leakage may lead to explosion. 
(17)  When installing or re-installing the air conditioner, please keep the refrigerant 
circuit away from substances other than the specified refrigerant, such as air. 
Any presence of foreign substances will cause abnormal pressure change or 
even explosion, resulting in injury. 
(18)  Only professionals are allowed to carry on daily maintenance. 
(19)  Before contacting any wire, make sure power is cut off. 
(20)  Do not let any inflammable objects near the unit. 
(21)  Do not use organic solvent to clean the air conditioner. 
(22)  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 
(23)  Improper operation may get the unit broken, hit by electric shock or cause fire. 
(24)  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.