Multi VRF Floor Standing Indoor Unit   
6 
NOTES! 
①
  The unit shall be installed by the professional personnel according to this 
installation instruction to ensure proper use. 
②
  Please contact the local Gree appointed service center before 
installation. Any malfunction caused  by the unit that is not installed by 
the Gree appointed service center would probably not be dealt with on 
time because of the inconvenience of the business contact. 
③
  It should be guided under the professional personnel when the unit is 
moved to other place. 
3.2 Requirements for Communication Line 
NOTES! 
If the unit is installed in the place with strong electromagnetic interference, 
shielded wire must be applied on the communication wire between indoor unit 
and wired controller. Twisted pair lines with shielding function must be applied on 
the communication wire between indoor unit and indoor unit (outdoor unit). 
3.2.1 Select Communication Line for Indoor Unit and Wired Controller 
 
Fig 3.2