Gree GMVVQ224WM/C-X

GMV Heat Recovery DC Inverter VRF
65
Once debugging is completed, resume the standby status and the display is as below:
Debugging code
Progress code
Status code
Meaning
LED1
LED2
LED3
Code
Display
status
Code
Display
status
Code Display status
01~04 ON OF ON OF ON
The complete unit has finished
the debugging and it stays at
standby status.
LED1 displays
module address; LED2 and
LED3 displays
“
OF
”
.
Once the debugging for the complete unit is finished, please set relevant functions for the unit
according to the actual functional requirements of the project. Refer to relative technical materials for
the detailed operation method. If there is no special requirement, skip this step directly.
When delivery it to the user for operation, explain the precautions to the user.
4.4 Parameter Judgment Reference Value for Unit Normal Operation
Debugging Parameter Reference Value for GMV Heat Recovery DC Inverter VRF Unit
No.
Debugging item
Parameter name
Unit
Reference value
Remark
1
System
parameter
Outdoor
unit’s
parameter
Outdoor ambient
temperature
℃ — —
2
Discharge pipe
temperature of inverter
compressor 1
℃
●
When the compressor starts running,
the normal discharge pipe of cooling or
shell top temperature is 70~95
℃
, above
10
℃
higher than the saturation
temperature of system high pressure; the
normal heating temperature is 65~90
℃
,
above 10
℃
higher than the saturation
temperature of system high pressure.
—
3
Shell top tube
temperature of inverter
compressor 1
℃ —
4
Discharge pipe
temperature of inverter
compressor 2
℃ —
5
Shell top tube
temperature of inverter
compressor 2
℃ —
6
Temperature of
defrosting temperature
sensor
℃
●
When the system is running in cooling
mode, the temperature of defrosting
temperature sensor is 5~11
℃
lower than
system high pressure;
●
When the system is running in heating
mode, the temperature difference between
the defrosting temperature sensor and the
system low pressure is about 2
℃
.
—