Installation - LG LS-J0762YL Service Manual

Installation

1. Installation of indoor, Outdoor unit
1) Select the best location
1. Indoor unit
Do not have any heat or steam near the unit.
Select a place where there are no obstacles in front of the unit.
Make sure that condensation drainage can be conveniently
routed away.
Do not install near a doorway.
Ensure that the space around the left and right of the unit is
more than "A". The unit should be installed as high on the wall
as possible, allowing a minimum of "B" from ceiling.
Use a stud finder to locate studs to prevent unnecessary dam-
age to the wall.
More than "A"
More than 2.3m
CAUTION
Install the indoor unit on the wall where the height from
the floors more than 2.3 meters.
Grade
7k~18k
2. Outdoor unit
If an awning is built over the unit to prevent direct sunlight or
rain exposure, make sure that heat radiation from the con-
denser is not restricted.
Ensure that the space around the back and sides is more
than 10cm. The front of the unit should have more than
70cm of space.
Do not place animals and plants in the path of the warm air.
Take the air conditioner weight into account and select a
place where noise and vibration are minimum.
Select a place so that the warm air and noise from the air
conditioner do not disturb neighbors.
More than 10cm
More than 70cm
More than "B"
More than "A"
Clearance(cm)
A B
10 5
More than 60cm
More than 10cm
More
than 60cm
3. Rooftop Installations:
If the outdoor unit is installed on a roof structure, be
sure to level the unit. Ensure the roof structure and
anchoring method are adequate for the unit location.
Consult local codes regarding rooftop mounting.
2) Piping length and elevation
Pipe Size
Capacity
(Btu/h)
GAS
7K, 9K(AC) 3/8(Ø9.52) 3/8(Ø9.52)
12K, 18k(AC) 1/2(Ø12.7) 3/8(Ø9.52)
9K, 12K(DC) 3/8(Ø9.52) 3/8(Ø9.52)
Outdoor unit
A
Indoor unit
B
Oil trap
Indoor unit
If case more than 5m
CAUTION
• Capacity is based on standard length and maximum
allowance length is on the basis of reliability.
• Oil trap should be installed every 5~7 meters.
-25-
Standard Max. Max.
Length Elevation Length
LIQUID
(m) (m)
B A
4 or 7.5 7
5 or 7.5 7
6 or 7.5 7
Indoor unit
B
Outdoor unit
A
B
Additional
Refrigerant
(m) (g/m)
15 20
15 20
15 20
A
Outdoor unit