GMV5 DC INVERTER VRF UNITS SERVICE MANUAL 
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Figure 5 
If project commissioning is not finished and all the IDUs' project numbers need to be reset, click 
Set All IDUs Project Number shown in Figure 2. As shown in Figure 6, the pop-up box comprises 
two parts: Systems Selection, where you can choose the system to be reset; Settings box, where 
you can give the resetting instruction.   
 
Figure 6 
Choose one or multiple systems in the Systems Selection box and click Set in the Settings box, 
as shown in Figure 6. Click Set, as shown in Figure 7.   
 
Figure 7 
If the conflict is solved, the system will return to the normal status and IDUs can be operated as 
shown in Figure 5.   
②Manual setting on the communicator and remote controller: