23
Installation and Maintenance
Service Manual
Preparation before installation
Prepare tools
Read the requirements 
for electric connection
select installation 
location
Select indoor unit 
installation location
Install wall-mounting 
frame, drill wall holes
Connect pipes of indoor 
unit and drainage pipe
Connect wires of indoor unit
Connect wires of outdoor unit
Bind up pipes and 
hang the indoor unit
Make the bound pipes pass 
through the wall hole and then
 connect outdoor unit
Neaten the pipes
Vacuum pumping and leakage detection
Check after installation and test operation
Finish installation
Note: this flow is only for reference; please find the more detailed installation steps in this section
Select outdoor unit 
installation location
Install the support of outdoor unit
(select it according to the actual situation)
Install drainage joint of outdoor unit 
(only for cooling and heating unit)
Connect pipes of outdoor unit
 Start installation
Fix outdoor unit
Installation procedures