Gree GMV5 Series, Service Manual, Page: 156 / 321

GREE Photovoltaic Direct-driven Inverter Multi VRF Units
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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.
②
Manual setting on the communicator and remote controller:
When the project number conflict occurs, you can use the communicator or remote controller to
revise project numbers and solve the conflict. See the manual of the communicator or remote controller
for the method.
③
Setting of auto project number deviation on ODU's main board (recommended)
You can set auto IDU project number deviation via the ODU's main board as follows:
(1) After the whole system is commissioned, short press SW3 on the controlling unit and the system
will enter the standby status as follows:
LED1 LED2 LED3
Function Code LED Status Progress LED Status Status LED Status
A7 Flicker 00 Flicker 00 Flicker
A6 Flicker 00 Flicker 00 Flicker
A2 Flicker 00 Flicker 00 Flicker
A8 Flicker 00 Flicker 00 Flicker
n0 Flicker 01 Flicker 00 Flicker
n1 Flicker 00 Flicker 00 Flicker
n2 Flicker 00 Flicker 00 Flicker
n3 Flicker 00 Flicker 00 Flicker
n4 Flicker 00 Flicker 00 Flicker