LG LS-H0560AL_BL Service Manual ▷ View online
—24—
8. Checking a gas leakage
(1) Connect the manifold gauge to the service port of 3-way valve.
Measure the pressure.
(2) Keep it for 5-10 minutes.
Ensure if the pressure indicated on the gauge is as same as that of measured at first time.
NOTE:
The additional gas for air purping has been charged in the outdoor unit.
However, if the flare connections have not been done correctly and there gas leaks, a gas cylinder and the
charge set will be needed.
However, if the flare connections have not been done correctly and there gas leaks, a gas cylinder and the
charge set will be needed.
CAUTION: Do not leak the gas in the air during Air purging, with vacumm pump are possible as you can.
Indoor unit
Outdoor unit
Closed
Liquid side
CLOSE
Closed
Gas side
CLOSE
—25—
A
A
B
Oil trap
Outdoor unit
Indoor unit
Outdoor unit
Indoor unit
B
6. Pipe length and the elevation
• Capacity is based on standard length and maximum allowance length is the basis of reliability.
• Oil trap should be installed per 5~7 meters.
CAUTION
In case more than 5m
Max. Piping
Length
(m)
Capacity
(Btu/h)
5K
15
7
5
20
Max.
Elevation
(m)
Standard
Length(m)
Additional Refri-
gerant
(g/m)
—26—
1) Connection of power supply
1. Connect the power supply cord to inde-pen-
dent power supply.
2. Prepare the remote control.
• Insert two batteries provided.
Remove the cover from the back of the remote
control.
control.
• Slide the cover according to the arrow direction.
Insert the two batteries.
(Two “R03” or “AAA” dry-cell batteries or equiva-
lent.)
(Two “R03” or “AAA” dry-cell batteries or equiva-
lent.)
• Be sure that the (+) and (-) directions are cor-
rect.
• Be sure that both batteries are new.
Re-attach the cover.
• Slide it back into position.
3. Operate the unit at cooling operation mode for
fifteen minutes or more.
• Anchor the outdoor unit with a bolt and nut (ø10cm)
tightly and horizontally on a concrete or rigid mount.
• When installing on the wall, roof or rooftop, anchor
the mounting base securely with a nail or wire
assuming the influence of wind and earthquake.
assuming the influence of wind and earthquake.
• In the case when the vibration of the unit is con-
veyed to the house, settle the unit with an anti-
vibration rubber.
vibration rubber.
2) Evaluation of the performance
1. Measure the temperature of the intake and dis-
charge air.
2. Ensure the difference between the intake tem-
perature and the discharge one is more than
8°C (Cooling) or reversely (Heating).
8°C (Cooling) or reversely (Heating).
Bolt
Tubing connection
Discharge air
Settlement of Outdoor Unit
7. Test running
—13—
2) Indoor unit installation
The mounting wall should be strong and solid
enough to prevent it from the vibration.
enough to prevent it from the vibration.
1. Mount the installation plate on the wall with
four Type "A" screws.
(if mounting the unit on the concrete wall, consider
using anchor bolts.)
• Always mount the installation plate horizon-tally
using anchor bolts.)
• Always mount the installation plate horizon-tally
by aligning the marking-off line with using the
thread and a level.
thread and a level.
2. Drill the piping hole with 70mm dia. holecore
drill.
• Line according to the arrows marked on lower the
left and the right side of the Installation Plate.
The meeting point of the extended line is the cen-
ter of the hole.
The meeting point of the extended line is the cen-
ter of the hole.
• Drill the Piping hole at either the right or the left
and the hole should be slightly slanted to the out-
door side.
door side.
Installation Plate
Marking-off line
Thread
Weight
Type "A" screw
5-7mm
(0.2~0.3")
Indoor
WALL
Outdoor
ø70mm
Right rear piping
Left rear piping
Hole center
Hole center
ø70mm
The lower right side of Installtion Plate
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