Test Running - LG FLEX MULTI SPLIT Installation Instructions Manual

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 all indoor units for 15~20 minutes, then
check the system refrigerant charge:
1.Measure the pressure of one of the gas side
service valves.
2. Measure the temperature of the intake and
discharge of air.
3. Ensure the difference between the intake
temperature and the discharge is more than
8°C(14.4°F).
4. For reference, the gas side pressure of
optimum condition is as below.(Cooling)
Outside ambient
Refrigerant
TEMP.
R-410A 35°C (95°F) 8.5~9.5kg/cm
: 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.
NOTICE : For maximum product life and efficiency
this unit has been designed, in the heating mode, to
lock-out at outdoor temperatures below 26-29°F.
At outdoor temperatures below 26-29°F. another means
of heating the conditioned space must be provided.
The pressure of the gas side
service valve.
2 G(120~135 P.S.I.G.)
Bolt
Discharge air
Discharge air
Important:
Individual zones should be all in the same
operation mode (Heating or Cooling mode)
Test Running
Tubing connection
Intake temperature
Discharge
temperature
Intake temperature
Discharge
temperature
Installation Manual 29