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02_Allocate
addresses
Step 8: In progress 03, the quantity of modules needs to be confirmed manually. Main board will
display:
——
Progress
03_Confirm the
quantity of modules
If the quantity displayed is the same with actual quantity, then press SW4 confirmation button on the
master unit to confirm it. Unit will start next progress:
——
Progress
03_Confirm the
quantity of modules
If the quantity displayed is different from actual quantity, then disconnect power and check whether
communication wire among each module is correctly connected. After the check, start debugging again.
Step 9: In progress 04, the quantity of IDUs needs to be confirmed manually. Main board will
display:
——
Progress
04_Confirm the
quantity of IDUs
If the quantity displayed is the same with actual quantity, then press SW4 confirmation button on the
master unit to confirm it. Unit will start next progress:
——
Progress
04_Confirm the
quantity of IDUs
Step 10: Progress 05 is internal communication detection.
If no error is detected, system will display as below and then start next progress.
——
Progress
05_Internal
communication
detection
If error is detected, system will stay at current progress. Error has to be solved manually. Related
errors are:
——
Debugging Code
db
Light
Debugging code
LED1
Code
Display status
db
Light
Debugging code
LED1
Code
Display status
db
Light
Debugging code
LED1
Code
Display status
db
Light
Debugging code
LED1
Code
Display status
db
Light
Debugging code
LED1
Code
Display status
db
Light
Progress Code
Ultra Heat GMV Multi VRF_Heat Recovery Serial
02
Light
Progress code
LED2
Code
Display status
03
Light
Progress code
LED2
Code
Display status
03
Light
Progress code
LED2
Code
Display status
04
Light
Progress code
LED2
Code
Display status
04
Light
Progress code
LED2
Code
Display status
05
Light
Status Code
50
oC
Light
Status code
LED3
Code
Display status
Quantity of
Blink
modules
Status code
LED3
Code
Display status
oC
Light
Status code
LED3
Code
Display status
Quantity of
connected
Blink
IDUs
Status code
LED3
Code
Display status
oC
Light
Status code
LED3
Code
Display status
oC
Light
Meaning
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