Gree GMV6 DC Inverter VRF Units Service Manual
Meaning
Address
Display
Function
Display
Status code
Display
Restoration to default
ADD On 03 On 0C
Blinks for 3
At this time, the system clears all settings, but stores engineering numbers of the indoor and outdoor
units, quantities of the indoor and outdoor units, and commissioning completion status.
4.4 Fire Alarm Function Setting
The VRF unit system reserves a fire alarm interface "CN44", which connects with the external fire
alarm system. In case of an external fire, the unit urgently shuts down for protection based on the received
signal. Then, the unit enters the standby status.
4.5 Indoor Unit Function Applications
For details, see the service manual of the indoor unit.