Ultra Heat GMV Multi VRF_Heat Recovery Serial
54
System detects error in indoor pipeline.
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.
Step 17: if there’s no error during operation for about 30min, system will automatically confirm that
debugging is finished and then stop. System resumes standby condition.
Step 18: After debugging is finished, some functions can be set up according to project’s actual
needs. For specific details, please refer to System Functions Setup. If no special requirements, skip this
step.
Step 19: deliver the product to user and inform user about usage precautions.
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