Gree GMV-VQ680WM/C-X Service Manual page 54

Gree
LED1
Function code Display status
A6
A6
A6
A6
Step 3: After selecting the mode, press the SW3 confirm button. The master module displays as
follows:
LED1
Function code Display status
A6
A6
A6
A6
Press the SW4 back button on the master module to return to the previous process or exit the
function setting status.
The master unit memorizes this setting and does not clear it even upon power failure and power-on
again. The default value is nA cooling and heating mode.
4.1.2.3.3 A7 Outdoor Silence Mode
Introduction:
This function is mainly used in scenarios where the user requires low ambient noise. Smart night
silence mode and forced silence mode are available.
In smart night silence mode, need to set timer of outdoor units.
to ensure low-noise operation at night. Smart night silence mode has nine options:
Silence Mode
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Mode 8
Mode 9
Note:
Highest temperature during the day generally appears during 13:00 and 15:00.
In forced silence mode, the system operates in low-noise mode regardless of day or night. This
mode has three options:
Silence Mode
Current
process/mode
On nC
On nH
On nA
On nF
Current
process/mode
On nC
On nH
On nA
On nF
Code
01
02
03
04
05
06
07
08
09
GMV6 HR DC Inverter VRF Units Service Manual
LED2
Display status Current status
Blinks
Blinks
Blinks
Blinks
LED2
Display status Current status
On
On
On
On
Code
52
LED3
Display status
nC Blinks
nH Blinks
nA Blinks
nF Blinks
LED3
Display status
nC On
nH On
nA On
nF On
Noise Level
Low noise
Medium-low noise
Ultra low noise
Noise Level