Gree GMV5E Series Service Manual page 90

GREE
unit).
If no button operations are performed on the master unit for five minutes, the function setting
automatically quits and the unit restores the current status.
The default factory setting is "00", that is, no silent mode.
② A6 Unit cooling/heating function settings
Step 1: Confirm entering the A6 unit cooling/heating function settings. The master unit is displayed
as follows:
LED1
Function Code Display Mode ODU Function Mode Code Display Mode ODU Function Mode Code
A6 On
Step 2: Select a corresponding cooling/heating function by pressing "SW1 (UP)" or "SW2 (DOWN)".
LED1
Function Code Display Mode ODU Function Mode Code Display Mode ODU Function Mode Code
A6 On
A6 On
A6 On
A6 On
Step 3: Press "SW7" to confirm selecting the mode. The master unit is displayed as follows:
LED1
Function Code Display Mode ODU Function Mode Code Display Mode ODU Function Mode Code
A6 On
A6 On
A6 On
A6 On
On the master unit, press "SW6" to return to the upper level (press "SW6" in setting status to return
to the upper level; press "SW6" after settings are completed to restore the normal operating status of the
unit).
If no button operations are performed on the master unit for five minutes, the function setting
automatically quits and the unit restores the current status.
The default factory setting is "nA" cooling/heating.
③ A2 Indoor unit pipeline refrigerant recovery
Step 1: Confirm entering the A2 refrigerant recovery operation settings. The master unit is displayed
as follows:
LED1
Function Code Display Mode
A2 On
Step 2: The default setting is "01". Select "01" or "02" by pressing "SW1 (UP)" or "SW2 (DOWN)".
Press "SW7" to confirm selecting the mode.
On the master unit, press "SW6" to return to the upper level.
If no button operations are performed on the master unit for five minutes, the function setting
automatically quits and the unit restores the current status.
 Indoor unit refrigerant recovery
Step 3: Select "01" as in step 2 to enter IDU refrigerant recovery. Digital LEDs and status LEDs of all
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
LED2
nC
LED2
nC
nH
nA
nF
LED2
nC
nH
nA
nF
LED2
Refrigerant Recovery Code
01
86
Blinking nC
nC
Blinking
nH
Blinking
nA
Blinking
nF
Blinking
On nC
On nH
On nA
On nF
Display Mode Current Status
Blinking
LED3
Display Mode
Blinking
LED3
Display Mode
Blinking
Blinking
Blinking
Blinking
LED3
Display Mode
On
On
On
On
LED3
Display Mode
00 Blinking