GREE                                                                        GMV5E DC INVERTER VRF UNITS SERVICE MANUAL 
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setting method, see the "Master Unit Setting DIP Switch (SA8_MASTER-S)" section. 
Step 5: Power on all outdoor and IDUs. In this case, all modules of ODU display that the unit is in 
non-commissioning status.   
 
Step 6: Switch the commissioning software to the commissioning control interface.   
Click  "Debug"  to  switch  to  the  engineering  commissioning  interface.  The  unit  will  automatically 
operate the commissioning modules listed in this interface from top to bottom and from left to right. Note: 
The commissioning function only applies to the single-system network.