Daikin VRV III REYQ8PY1 Service Manual page 174

Si37-701
[Operation procedure]
(
[Measure for abnormal finish]
Test Operation
To protect the compressor, make sure to turn on the power supply for 6 hours before stating
operation.
(After turning on the power supply, the unit can not start the operation until the H2P LED
goes off. (maximum 12 minutes))
Set to the SETTING MODE 1 (H1P : light OFF)
Push the TEST button (BS4) for 5 seconds or more. Then the unit will start the check
operation.
• The check operation is automatically carried out in a cooling mode. H2P will flash up
and "Test operation" and "Under centralized control" will be displayed in the remote
controller.
• It may take 10 minutes to bring the state of refrigerant uniform before the
compressor starts.
• During the check operation, the refrigerant running sound or the magnetic sound of
a solenoid valve may become loud during operation. And the LED display may
change, but these are not malfunctions.
• During the check operation, it is impossible to stop the unit from the remote
controller. When discontinue the operation, push the RETURN button (BS3). The
system will stop after behind operation for 30 seconds.
Close the front panel. (Otherwise, it may cause a misjudgment.)
When the checks are completed, the system will stop
automatically. After the system stopes the operation,
check the operation results by the outdoor unit LED
display. (See the table shown right.)
Confirm the malfunction code by the remote controller, and correct the abnormality. (For how
to correct the abnormality, see the installation manual.)
After correcting the abnormality, push the RETURN button (BS3) and reset the malfunction
code.
Carry out the check operation again and confirm that the abnormality is properly corrected.
Test Operation
STATE H1P H2P H3P H4P H5P H6P H7P
h h k h h h
Normal
h k k h h h
Abnormal
)
h
h
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