Gree Ultra Heat GMV-VQ72W/A-F, Service Manual

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Ultra Heat GMV VRF Technical Service Manual_Heat Recovery Serial COMMISSIONING OPERATION
110
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.
XXXX/
Error
code Light
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 p
roject‘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.
3.3.2.2 Commissioning through Commissioning Software
Step 1: Install commissioning software to the computer and connect monitoring communication
cables (for details about the operation method, see the "GREE VRF Commissioning Software" section).
Step 2: Completely cover the front panel of ODU.
Step 3: In power-off status of ODU, set the ODU to a corresponding static pressure mode according
to static pressure design requirements for outdoor engineering. For details about the setting method, see
the "Outdoor Fan Static Pressure Setting DIP Switch (S2)" section. Silent mode setting method can also
be seen in silent mode setting S1 of Technical service manual;
Step 4: In power-off status of ODU, set one module of ODU to master unit. For details about the
setting method, see the "Master Unit Setting DIP Switch (S7)" section.
Step 5: Power on all outdoor and IDUs. In this case, ODU displays that the unit is in
non-commissioning status
―A0‖.
Step 6: Switch the commissioning software to the commissioning control interface.
Click "Debug" to switch to the engineering commissioning interface. The unit will automatically
operate the commissioning modules listed in this interface from top to bottom. Note: The commissioning
function only applies to the single-system network.