58
B If heating mode is selected, relevant display is as below:
——
Cycle
code
Progress code
Status code
Meaning
progress
LED1
LED2
LED3
Code Display
status code
Display
status
Code
Display
status
16_Heating
Test Run
db
Light
16
Light
AE
Light
Test Run
is enabled in heating
mode (
Run
mode auto-selected
by system).
db
Light
16
Light
Error
code
Light Error occurs during
Test Run
in
heating mode.
db
Light
16
Light
J0
Light Error of other modules occurs during
Test Run
in heating mode.
db
Light
16
Light
U9
Light Outdoor pipeline and valves are not
normal.
db
Light
16
Light
XXXX/U8 Light
System detects error in indoor
pipeline. XXXX is the project no. of
the faulted IDU.
After
3s, error code
U8 is displayed. For example, IDU
no. 100 has U8 error, then LED3
displays like this: 01 (2s later) 00 (2s
later) U8, and repeat again.
Step 18: if there’s no error during operation for about 40
-60
min, system will
automatically confirm that
Commissioning Cycle
is finished and then stop. System
resumes standby condition and displays as below:
——
Cycle
code
Progress code Status code
Meaning
progress
LED1
LED2
LED3
Code Display
status code
Display
status Code
Display
status
17_
Commissio
ning
finished
01-04
Light
OF
Light
OF
Light
Commissioning Cycle
is finished.
System is on standby condition.
LED1 displays module address.
LED2 and LED3 display “OF”.
Step 19: after
Commissioning and Test Run
are
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 20: deliver the product to user and inform user about usage precautions.
Lennox
VRF Unit
