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GMV Heat Recovery DC Inverter VRF
After 30s of display, the automatic display is as follows; if press SW3 button within 30s, the
display is as follows. The unit automatically enters the next step of debugging:
—
Progress
03_module quantity
confirmation
NOTE: It is important to confirm that the number of online outdoor unit modules is the same as
that of actual modules; otherwise it will need to conduct the inspection and debugging again.
Step 7: When the unit is running to step 04, the number of online connected indoor unit is
displayed. At this time, the main board of each module is displayed as below:
—
Progress
04_indoor unit
quantity confirmation
After 30s of display, the display is as follows; if press SW3 button within 30s, the display is as
follows. The unit automatically enters the next step of debugging:
—
Progress
04_indoor unit
quantity confirmation
NOTE: It is important to confirm that the number of online indoor unit modules is the same as that
of actual connected indoor units for the project; otherwise it will need to conduct the inspection and
debugging again.
Step 8: Step 05 of the unit debugging is "confirmation of internal communication of outdoor unit".
If there is no abnormality in the detection, the display is below, and then it automatically enters
the next step of detection.
—
Debugging code
Progress
Code
05_ detect
internal
db
communication
Debugging code
LED1
Display
Code
status
db
ON
Debugging code
LED1
Display
Code
status
db
ON
Debugging code
LED1
Display
Code
status
db
ON
Progress code
LED1
LED2
Display
Code
status
ON
05
Progress code
LED2
Display
Code
status
03
ON
Progress code
LED2
Display
Code
status
04
ON
Progress code
LED2
Display
Code
status
04
ON
Status code
LED3
Display
Display
Code
status
status
ON
OC
61
Status code
LED3
Code
OC
Status code
LED3
Code
The quantity
of online
indoor units
Status code
LED3
Code
OC
Meaning
Once the system
inspection is completed,
ON
it will enter into the next
step automatically.
Display
status
ON
Display
status
Flash
Display
status
ON
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