Installation - LG LS-M3021CL Service Manual

Installation

Read completely, then follow step by step.
1. Installation of Indoor, Outdoor unit
1) Select the best location
1. Indoor unit
I Do not have any heat or steam near the unit.
I Select a place where there are no obstacles in
front of the unit.
I Make sure that condensation drainage can be
conveniently routed away.
I Do not install near a doorway.
I Ensure that the space around the left and right of
the unit is more than 30cm. The unit should be
installed as high on the wall as possible, allowing
a minimum of 12cm from ceiling.
I Use a stud finder to locate studs to prevent
unnecessary damage to the wall.
More than
30cm
More than 2.3m
CAUTION
Install the indoor unit on the wall where the height
from the floors more than 2.3 meters.
A minimum pipe run of 7.5 meters is required to min-
imise vibration & excessive noise.
2. Outdoor unit
I 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.
I 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.
I Do not place animals and plants in the path of the
warm air.
I Take the air conditioner weight into account and select
a place where noise and vibration are minimum.
I Select a place so that the warm air and noise from the
air conditioner do not disturb neighbors.
More than 10cm
More than 70cm
30K, 32K
More than 12cm
More than
30cm
More than 60cm
More than 10cm
More
than 60cm
More than 10cm
More than 70cm
36K, 38K
I 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.
If the outdoor unit is installed on root structures or walls,
this may result in excessive noise and vibration, and
maybe also classed as non serviceable installation.
2) Piping length and elevation
Pipe Size
Capacity
(Btu/h)
GAS
30k, 32k 5/8"
36k, 38k 3/4"
Outdoor unit
A
Indoor unit
B
In 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.
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More than 60cm
More than 10cm
More
than 60cm
Standard Max. Max.
Length Elevation
length
LIQUID (m) (m) (m)
B
A
3/8" 7.5 15 30
3/8" 7.5 20 30
A
Oil trap
Indoor unit
Additional
Refrigerant
(g/m)
30
50
Outdoor unit
B