Test Running - LG AT-Q12GULA0 Installation Manual

INSTALLATION OF DECORATIVE PANEL(ACCESSORY)
26
Indoor unit
Outdoor unit
Manifold valve
Lo Hi
Open
Close
Vacuum pump
- Once the desired vacuum is created.
Disconnect the vacuum pump and open the
liquid side valve stem by turning it to count-
er-clockwise direction with service valve
wrench.
- Open completely the gas side valve buy turn-
ing to counter-clockwise with service valve
wrench.
- Remove slowly the charge hose connected
to the gas side service port (to release the
pressure).
- Replace back the flare nut and its bonnet on
the gas side service port. Fasten the flare nut
with adjustable wrench to prevent any leak-
age from the system.
- Fasten back the valve cap on both gas and
liquid side service valves.

Test running

PRECAUTIONS IN TEST RUN
Vaccum
- The initial power supply must provide at least
gauge
90% of the rated voltage.
Otherwise, the air conditioner should not be
operated.
!
• For test run, carry out the cooling opera-
• Carry out the test run more than 5 min-
- The test run is started by pressing the room
temperature checking button and down
timer button for 3 seconds at the same time.
- To cancel the test run, press any button.
CAUTION
tion firstly even during heating season.
If heating operation is carried out firstly,
it leads to the trouble of compressor.
Then attention must be paid.
utes without fail.
(Test run will be cancelled 18 minutes
later automatically)