Gree GMV6 Series - Page 63

Gree GMV6 DC Inverter VRF Units Service Manual
61
display normal working status:
LED1
LED2
LED3
Function code
Display status
Current process
Display status
Current status
Display status
4n
On
00
Blinks
OC
Blinks
Press the SW1 up button and the SW2 down button to select the corresponding low pressure control
mode.
LED1 LED2 LED3
Description
Function
code
Display
status
Current
process
Display
status
Current
status
Display
status
4n On 00 Blinks OC Blinks
The adaptive control of
noise is valid.
4n On 01 Blinks OC Blinks
The adaptive control of
noise is invalid.
After selecting the corresponding mode, press the SW3 confirm button. The master module displays
as follows:
LED1
LED2
LED3
Function code
Display status
Current process
Display status
Current status
Display status
4n
On
00
On
OC
On
4n
On
01
On
OC
On
The master unit memorizes this setting and does not clear it even upon power failure and power-on
again. The default value is 00.
After the entire system is commissioned, the commissioner sends a flag, indicating whether the
adaptive control of noise is valid. The master unit memorizes this setting and does not clear it even upon
power failure and power-on again.
4.2.3.18 4q Forced Off of the Electric Heater of an Indoor Unit
Setting steps:
Enter the function setting. The master unit displays as follows by default, and other basic modules
display normal working status:
LED1
LED2
LED3
Function code
Display status
Current process
Display status
Current status
Display status
4q
On
00
Blinks
OC
Blinks
Press the SW1 up button and the SW2 down button to select the corresponding low pressure control
mode.
LED1 LED2 LED3
Description
Function
code
Display
status
Current
process
Display
status
Current
status
Display
status
4q On 00 Blinks OC Blinks
Invalid forced off function of the
electric heater of an indoor unit
4q On 01 Blinks OC Blinks
Forced off of the electric heater of an
indoor unit in full temperature range
4q On 02 Blinks OC Blinks
Forced off of the electric heater of
an indoor unit above –2°C outdoor
temperature
After selecting the corresponding mode, press the SW3 confirm button. The master module displays
as follows: