2 
OPERATION 
   
•
 
Read the safety precautions carefully before installing, must be obeyed. 
 
Identifier
 
Meaning
 
 
Warning
 
Means improper handling may lead to personal death 
or severe injury.
 
 
Caution
 
Means improper handling may lead to personal injury
or property loss.
 
•  This manual uses the following icons:  
 
Prohibit
   Followtheguidelines  
•
 
Please entrust the distributor or professionals to install the unit. 
 
•
 
Before cleaning or maintenance please cut off the power.
 
•
 
Prohibit to use water for washing to prevent electrical shock. 
 
•
 
Do not operate by wet hand, to prevent electrical shock. 
 
 
 
•
 
Do not use pesticide, disinfectant and flammability spray materials 
to spray directly, otherwise will cause fire or defotmation.
 
•
 
Do not peel off the button and the cover by hand to prevent electrical shock.
 
 
 Operation conditions 
Voltage input
  5V DC 
Ambient temperature range
  −15–43 °C 
Ambient humidity range
  40–90 % RH 
Electric control safety meets
 
GB4706.32
-
2004, GB/T7725
-
2004
 
 
 Main functions    
•  Connect to the indoor unit display panel through the 5-core shielding cable  
•  Through the button operations to set the action mode.  
•  Liquid crystal display function.