Gree GMV-Y120WL/A-T, Owner'S Manual

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Photovoltaic Multi VRF
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LED1 LED2 LED3
Function code Display Current progress Display Current status Display
A7 On 00 Blink oC Blink
Press SW1 button (▲) and SW2 button (▼) to select the following silent modes.
LED1 LED2 LED3
Function code Silent mode Display Current status Display
A7 00~12 Blink oC Blink
When applicable mode is selected, press SW7 to confirm. Main board of outdoor unit will
display as below:
LED1 LED2 LED3
Function code Silent mode Display Current status Display
A7 00~12 On oC On
Notice: code 00 of LED2 refers to normal mode. Codes 01~09 refer to smart night silent
mode. Codes 10~12 refer to compulsory silent mode. When setting is finished, master unit will
memorize it so that it can’t be cancelled even when power is on or off.
Then press SW6 on the master unit to return to the previous step. (If this button is pressed
when function is being set, system will return to the previous step. If SW6 is pressed when
setting is finished, system will resume displaying the current operation status.)
If then no motion is taken to the master unit for 5min, unit will exit and resume displaying
the current status.
8.2 Cool & Heat Function
This function can set operation modes and prevent mode collision that is caused by setting
different modes for different indoor units. It is especially suitable for hotels and other small
business areas. There are 3 levels for this setting:
Level A
—Mode Lock Control
Upon entering this function setting, main board of outdoor unit will display as below:
LED1 LED2 LED3
Function code Current progress Display Current status Display
A6 nC Blink nC Blink