Installation - LG LS-Q076ABL Service Manual

Installation

1. Installation of indoor, Outdoor unit
1) Selection of 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 conve-
niently 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 unneces-
sary damage to the wall.
More than "B"
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~28K
30K~38K
2. Outdoor unit
• If an awning is built over the unit to prevent direct sun-
light or rain exposure, make sure that heat radiation
from the condenser 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.
More than "A"
More than "B"
Clearance(cm)
A B
10 5
30 12
• Select a place so that the warm air and noise from the
air conditioner do not disturb neighbors.
More than 10 cm
More than 70 cm
2) Piping length and elevation
Pipe Size
Capacity
(Btu/h)
GAS
3/8"(Ø9.52)
7k~14k
1/2"(Ø12.7)
1/2"(Ø12.7)
18k~28k 5/8"(Ø15.88)
5/8"(Ø15.88)
5/8"(Ø15.88)
30k~38k
3/4"(Ø19.05)
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.
-22-
More than 10 cm
Standard Max.
Length Elevation
LIQUID
(m) (m)
B
1/4"(Ø6.35) 4 or 7.5 7
1/4"(Ø6.35) 4 or 7.5 7
1/4"(Ø6.35) 4 or 7.5 15
1/4"(Ø6.35) 4 or 7.5 15
3/8"(Ø9.52) 4 or 7.5 15
3/8"(Ø9.52) 7.5 15
3/8"(Ø9.52) 7.5 15
Indoor unit
B
Outdoor unit
A
B
Max. Additional
Length Refrigerant
(m) (g/m)
A
15 20
15 20
30 20
30 20
30 30
30 30
30 50
A
Outdoor unit
I