Test Running - LG LT-D5480HL Service Manual

In case of the Outdoor Unit being installed
above position of the Indoor Unit.
2. Tape the Pipings and Connecting cable from bot-
tom to top.
3. Form the pipings gathered by taping along the
exterior wall, and make the trap prevent water
from entering into the room.
4. Fix the pipings onto the wall by saddle or equiva-
lent.

Test running

1) PRECAUTIONS IN TEST RUN
• The initial power supply must provide at least 90% of the rated voltage.
Otherwise, the air conditioner should not be operated.
For test run, carry out the cooling operation first even during winter season. If heating operation is
Caution
carried out first, it leads to the trouble of compressor.
Carry out the test run more than 5 minutes without stopping.
(Test run will be cancelled 18 minutes later automatically)
• The test run is started by pressing the room temperature checking button and down timer button for 3 sec-
onds at the same time.
• To cancel the test run, press any button.
CHECK THE FOLLOWING ITEMS WHEN INSTALLATION IS COMPLETE
• After completing work, be sure to measure and record trial run properties, and store measured data, etc.
• Measuring data are room temperature, outside temperature, suction temperature, blow out temperature,
air velocity, air volume, voltage, current, presence of abnormal vibration and noise, operating pressure, piping
temperature.
• As to the structure and appearance, check following items.
Is the circulation of air adequate?
Is the drainage OK?
Is the heat insulation complete
(refrigerant and drain piping)?
Is there any leakage of refrigerant?
Does the romote controller works properly?
Is there any error on wiring?
Aren't terminal screws loosened?
M4......118N.cm{12kgf.cm} M5......196N.cm{20kgf.cm}
M6......245N.cm{25kgf.cm} M8......588N.cm{60kgf.cm}
–25–
Seal a small opening
around the pipings
with gum type sealer.
Trap