50 
 
 
•  Secure the connection cable onto the control board with the holder. 
 
•  Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor’s respectively. 
•  Earth wire shall be Yellow/Green (Y/G) in colour and longer than the other AC wires for safety reason. 
10.1.8  Wire Stripping And Connecting Requirement  
 
 
 
10.1.8.1  Cutting and flaring the piping 
1  Please cut using pipe cutter and then remove the burrs. 
2  Remove the burrs by using reamer. If burrs are not removed, gas leakage may be caused. Turn the piping 
end down to avoid the metal powder entering the pipe. 
3  Please make flare after inserting the flare nut onto the copper pipes.