Gree Ultra Heat GMV Multi VRF Series User Manual

Ultra Heat GMV Multi VRF_Heat Recovery Serial
53
confirm the startup again. Operate as below:
If master unit displays as below, system is waiting for confirmation signal.
——
Debugging code
Progress code
Status code
progress
LED1
LED2
LED3
Code
Display status
code
Display status
Code
Display status
12_Confirm
debugging startup
db
Light
12
Light
AE
Light
If it’s confirmed, press SW4 confirmation button. Then unit will display as below and start next
progress.
——
Debugging code
Progress code
Status code
progress
LED1
LED2
LED3
Code
Display status
code
Display status
Code
Display status
12_Confirm
debugging startup
db
Light
12
Light
oC
Light
Step 16: After unit is confirmed to start debugging, system select cooling/heating mode according to
ambient temperature automatically.
A If cooling mode is selected, relevant display is as below:
——
Debugging code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status
15_Cooling
debugging
db
Light
15
Light
UC
Light
Debugging is enabled in cooling mode
(debugging mode, auto-selected by
system).
Error
code
Light
ODU Error occurs during debugging in
cooling mode.
XXXX/
Error
code
Light
System detects error in indoor error.
XXXX is the project code of the faulted
IDU. 3s later, error code is displayed.
For example, IDU no. 100 has d5 error,
then LED3 displays like this: 01 (2s
later) 00 (2s later) d5, and repeat
again.
B If heating mode is selected, relevant display is as below:
——
Debugging code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code
Display
status
code
Display
status
Code
Display
status
16_Heating
debugging
db
Light
16
Light
UH
Light
Debugging is enabled in heating mode
(debugging mode, auto-selected by
system).
Error
code
Light
ODU Error occurs during debugging in
heating mode.

Gree Ultra Heat GMV Multi VRF Series Specifications

General

Brand	Gree
Model	Ultra Heat GMV Multi VRF Series
Category	Air Conditioner
Language	English