LG LSC121PMA Service Manual - Page 18

Installation

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Installation 1. Installation of indoor, Outdoor unit Read completely, then follow step by step. 1) Select the best location 1. Indoor unit s Do not have any heat or steam near the unit. s Select a place where there are no obstacles in front of the unit. s Make sure that condensation drainage can be con- veniently routed away. s Do not install near a doorway. s Ensure that the space around the left and right of the unit is more than 50cm(19.7"). The unit should be installed as high on the wall as possible, allowing a minimum of 10cm(3.9") from ceiling. s Use a stud finder to locate studs to prevent unnec- essary damage to the wall. More than 10cm(3.9") More than 50cm(19.7") s 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 Capacity Pipe Size (Btu/h) GAS LIQUID 9K 1/2" 1/4" 12K 1/2" 1/4" Standard Length (m) 7.5 (24.6ft) 7.5 (24.6ft) Max. Max. Additional Elevation length Refrigerant B (m) A (m) (g/m) 7 15 (23ft) (50ft) 20 7 15 (23ft) (50ft) 20 More than 2m(6.6ft) More than 50cm(19.7") Outdoor unit Indoor unit CAUTION Install the indoor unit on the wall where the height from the floors more than 2m(6.6ft). 2. Outdoor unit s If an awning is built over the unit to prevent direct sunlight or rain exposure, make sure that heat radiation from the condenser is not restricted. s Ensure that the space around the back and sides is more than 10cm(3.9"). The front of the unit should have more than 70cm(27.5") of space. s Do not place animals and plants in the path of the warm air. s Take the air conditioner weight into account and select a place where noise and vibration are minimum. s Select a place so that the warm air and noise from the air conditioner do not disturb neighbors. More than 60cm(24") A Indoor unit B A B Outdoor unit Outdoor unit Oil trap A Indoor unit B In case more than 5m(16.4ft) More than 10cm(3.9") More than 70cm(28") More than 10cm(3.9") More than 60cm(24") 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(16.4~23ft). -18-

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Installation
1. Installation of indoor, Outdoor unit
-18-
9K
1/2"
1/4"
7.5
7
15
20
(24.6ft)
(23ft)
(50ft)
12K
1/2"
1/4"
7.5
7
15
20
(24.6ft)
(23ft)
(50ft)
Read completely, then follow step by step.
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 con-
veniently routed away.
■
Do not install near a doorway.
■
Ensure that the space around the left and right of
the unit is more than 50cm(19.7”). The unit should
be installed as high on the wall as possible, allowing
a minimum of 10cm(3.9”) from ceiling.
■
Use a stud finder to locate studs to prevent unnec-
essary damage to the wall.
2. Outdoor unit
■
If an awning is built over the unit to prevent direct
sunlight or rain exposure, make sure that heat radia-
tion from the condenser is not restricted.
■
Ensure that the space around the back and sides is
more than 10cm(3.9”).
The front of the unit should have more than
70cm(27.5”) 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 mini-
mum.
■
Select a place so that the warm air and noise from
the air conditioner do not disturb neighbors.
■
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 loca-
tion. Consult local codes regarding rooftop mount-
ing.
2) Piping length and elevation
More than 10cm(3.9")
More than 50cm(19.7")
More than 2m(6.6ft)
More than 50cm(19.7")
More than 10cm(3.9")
More than 10cm(3.9")
More
than 60cm(24")
More than 60cm(24")
More than 70cm(28")
Pipe Size
Capacity
(Btu/h)
GAS
LIQUID
Max.
length
A
(m)
Additional
Refrigerant
(g/m)
Max.
Elevation
B
(m)
Standard
Length
(m)
In case more than 5m(16.4ft)
• 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(16.4~23ft).
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
CAUTION
Install the indoor unit on the wall where the height from the floors
more than 2m(6.6ft).
CAUTION