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9.
TEST OPERATION
1.
The test operation must be carried out after the entire installation
has been completed.
2.
Please confirm the following points before the test operation:
• The indoor unit and outdoor unit are installed properly.
• Pipe work and wiring are correctly installed.
• The refrigerant pipe system is leakage-checked.
• The drainage is not blocked.
• The heating insulation works well.
• The ground wiring is connected correctly.
• The additional amount of refrigeration pipe work and addi-
tional refrigerant has been recorded.
• The power voltage fits the rated voltage of the air conditioner.
• There are no obstacle at the outlet and inlet of the outdoor and
indoor units.
• The gas-side and liquid-side stop valves are both opened.
• The air conditioner is pre-heated by turning on the power.
3.
According to the user's requirement, install the remote controller
holder where the remote controller's signal can reach the indoor
unit smoothly.
4.
Test operation
■
Set the air conditioner under the mode of "COOLING" with
the remote controller, and check the following points. If there
is any malfunction, please resolve it according to the chapter
"Troubleshooting" in the "Owner's Manual".
• 1) The indoor unit
a. Whether the switch on the remote controller works well.
b. Whether the buttons on the remote controller works
well.
c. Whether the air flow Louvre moves normally.
d. Whether the room temperature is adjusted well.
e. Whether the indicator lights normally.
f.
Whether the temporary buttons works well.
g. Whether the drainage is normal.
h. Whether there is vibration or abnormal noise during
operation.
I.
Whether the air conditioner heats well in the case of the
HEATING/COOLING type.
• 2) The outdoor unit
a.
Whether there is vibration or abnormal noise during
operation.
b.
Whether the generated wind, noise, or condensed of by
the air conditioner have influenced your neighbourhood.
c.
Whether any of the refrigerant has leaked.
A protection feature prevents the air conditioner from
being activated for approximately 3 minutes when it is
restarted immediately after shut off.
Ceiling-Floor Type Indoor Unit
CAUTION
TEST OPERATION | 13
6720874436 (2017/04)
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