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GREE GMV5 HR HEAT RECOVERY UNITS
138
If the displayed quantity is consistent with the number of actually connected modules, press "SW7"
on the master unit to confirm. The main board is displayed as follows and the unit automatically enters
the next commissioning step.
Progress
Commissioning Code
Progress Code
Status Code
LED1
LED2
LED3
Code
Display Status
Code
Display Status
Code
Display Status
04_Indoor unit quantity confirmation
db
On
04
On
OC
On
It is very important to correctly confirm the number of IDUs. If the confirmed quantity is
inconsistent with the actual quantity, the system may improperly run.
Step 9: Unit commissioning step 05 is internal communication detection.
If no exception is detected, the main board is displayed as follows and the unit automatically enters
the next commissioning step.
Progress
Commissioning Code
Progress Code
Status Code
Meaning
LED1
LED2
LED3
Code Display Status Code Display Status Code Display Status
05_Internal
communication
detection
db
On
05
On
OC
On
The system completes
detection and automatically
enters the next step.
If an exception is detected, the unit retains the current status and waits for manual
troubleshooting. Corresponding faults include:
Progress
Commissioning Code
Progress Code
Status Code
Meaning
LED1
LED2
LED3
Code Display Status Code Display Status Code Display Status
05_Internal
communication
detection
db
On
05
On
C2
On
The system detects
communication failure between
master unit and inverter
compressor driver.
db
On
05
On
C3
On
The system detects
communication failure between
master unit and inverter fan
driver.
db
On
05
On
CH
On
The rated capacity ratio is
over-high between indoor and
ODUs.
db
On
05
On
CL
On
The rated capacity ratio is
over-low between indoor and
ODUs.
For details about the above troubleshooting method, refer to the "Troubleshooting Method" part.
Содержание GC201808-III
Страница 36: ...GREE GMV5 HR HEAT RECOVERY UNITS 32 Circuit diagram of GMV Q144WM B1 F U Circuit diagram of GMV Q168WM B1 F U ...
Страница 87: ...GREE GMV5 HR HEAT RECOVERY UNITS 83 1 External Connection for Individual Units ...
Страница 92: ...GREE GMV5 HR HEAT RECOVERY UNITS 88 ...
Страница 227: ...GREE GMV5 HR HEAT RECOVERY UNITS 223 Troubleshooting ...
Страница 286: ...GREE GMV5 HR HEAT RECOVERY UNITS 282 Troubleshooting ...
Страница 314: ...GREE GMV5 HR HEAT RECOVERY UNITS 310 4 Loosen the screws on the compressor drive as shown in the figure below ...
Страница 362: ...JF00302879 ...