Gree GMV6 DC Inverter VRF Units Service Manual
After selecting the corresponding mode, press the SW3 confirm button. The master module displays
as follows:
4n On 00 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.
4.2.3.19 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:
Function code Display status Current process Display status Current status Display status
Press the SW1 up button and the SW2 down button to select the corresponding low pressure control
mode.
Description
Function
Display
Current
Display
Current
Display
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
After selecting the corresponding mode, press the SW3 confirm button. The master module displays
as follows:
Function code Display status Current process Display status Current status Display status
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
forced switch function of the electric heater of the indoor unit is valid. The master unit memorizes this
setting and does not clear it even upon power failure and power-on again.
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