Test Running - LG L5UC728FA0 Installation Manual

Test Running

Test Running
1. Check that all tubing and wiring have been properly connected.
2. Check that the gas and liquid side service valves are fully open.
Prepare remote control
Remove the battery cover by pulling it
according to the arrow direction.
Insert new batteries making sure that the (+)
and (–) of battery are installed correctly.
Reattach the cover by pushing it back into
position.
:
NOTICE�
• Use 2 AAA(1.5volt) batteries. Do not use
rechargeable batteries.
• Remove the batteries from the remote control
if the system is not going to be used for a long
time.
Evaluation of the performance
Operate unit for 15~20 minutes, then check the
system refrigerant charge:
1. Measure the pressure of the gas side service
valve.
2. Measure the temperature of the intake and
discharge of air.
3. The intake temperature
- the discharge temperature ≥ 8°C
4. For reference, the gas side pressure of
optimum condition is as below.(Cooling)
Outside ambient
Refrigerant
Temperature
R22 35°C (95°F)
: If the actual pressure are higher than
NOTICE�
shown, the system is most likely over-
charged, and charge should be
removed. If the actual pressure are
lower than shown, the system is most
likely undercharged, and charge should
be added.
The air conditioner is now ready for use.
48 Multi Type Air Conditioner
The pressure of the gas side
service valve.
4~5kg/cm 2 G(56.8~71.0 psig)
Discharge air
Discharge air
Thermometer
Intake temperature
Discharge
temperature
Discharge air