Gree GMV6 DC Inverter VRF Units Service Manual
50
Step 1:
Enter A7 outdoor silence mode, and ensure that the master module displays as follows:
LED1
LED2
LED3
Function code
Display status
Silence mode
code
Display status
Current status
Display status
A7
On
00
Blinks
OC
Blinks
Step 2:
Press the SW1 up button and the SW2 down button to select the corresponding silence
mode.
LED1
LED2
LED3
Function code
Display status
Silence mode
code
Display status
Current status
Display status
A7
On
00
Blinks
OC
Blinks
A7
On
01
Blinks
OC
Blinks
A7
On
02
Blinks
OC
Blinks
A7
On
03
Blinks
OC
Blinks
A7
On
04
Blinks
OC
Blinks
A7
On
05
Blinks
OC
Blinks
A7
On
06
Blinks
OC
Blinks
A7
On
07
Blinks
OC
Blinks
A7
On
08
Blinks
OC
Blinks
A7
On
09
Blinks
OC
Blinks
A7
On
10
Blinks
OC
Blinks
A7
On
11
Blinks
OC
Blinks
A7
On
12
Blinks
OC
Blinks
Step 3:
After selecting the corresponding silence mode, press the SW3 confirm button. The master
module displays as follows:
LED1
LED2
LED3
Function code
Display status
Silence mode
code
Display status
Current status
Display status
A7
On
00
On
OC
On
A7
On
01
On
OC
On
A7
On
02
On
OC
On
A7
On
03
On
OC
On
A7
On
04
On
OC
On
A7
On
05
On
OC
On
A7
On
06
On
OC
On
A7
On
07
On
OC
On
A7
On
08
On
OC
On
A7
On
09
On
OC
On
A7
On
10
On
OC
On
A7
On
11
On
OC
On
A7
On
12
On
OC
On
Press the SW4 back button on the master module to return to the previous process or exit the function
setting status.
The default status is 00, that is, no silence.
4.2.3.4 A8 After-Sales Vacuum Pumping Mode
Introduction:
This function is used to ensure the vacuum of the entire system during maintenance and to avoid
dead pipeline zones. When this function is set, both the expansion valve and the solenoid valve of the
unit will open.
Summary of Contents for GMV-1015WM/G-U
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