Gree MULTI VRF SYSTEM II GMV-120WL/A-T

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DC Inverter Multi VRF System II
Service Manual
CONTROL
Step 3: Right-click ”USB Serial Port (COM6) and then click ”Properties”. The dialog box of properties will then pop up.
Step 4: Then click ”Port Settings” in the dialog box.
Step5: Click ”Advanced” and then a new dialog box will pop up. Find the ”Serial Enumerator” in the miscellaneous options and cancel
the tick. Click ”OK” to exit.