Installation - LG TCM 18 Service Manual

Installation

1. Installation of Indoor, Outdoor Unit
1. Selection of the best location
1) Indoor unit
• There should not be any heat source or steam near
the unit.
• There should not be any obstacles to prevent the air
circulation.
• A place where air circulation in the room will be good.
• A place where drainage can be easily obtained.
• A place where noise prevention is taken into consider-
ation.
• Do not install the unit near the door way.
• Ensure the spaces indicated by arrows from the wall,
ceiling, or other obstacles.
2) Outdoor unit
• If an awning is built over the unit to prevent direct sun-
light or rain exposure, be careful that heat radiation
from the condenser is not restricted.
• There should not be any animals or plants which
could be affected by hot air discharged.
• Ensure the spaces indicated by arrows from the wall,
ceiling, fence or other obstacles.
3) Piping length and the elevation
Pipe Size
MODEL
GAS LIQUID
18K BTU 1/2" 1/4"
24K BTU 1/2" 1/4"
• If 18K or 24K Model is installed at a distance of 15m, 300g of refrigerant
should be added ..............................................................(15-7)x30g
Elevation B(m)
Length A(m)
Max. Max.
Rated Rated
5
7.5 15
7.5 20 5
More than
20cm
More than eye-level
More than
20cm
More than 10cm
* Additional
refrigerant
(g/m)
8 30
8 30
–19–
(Ceiling installation)
(Floor/Wall installation)
More than 10cm
More than 70cm
Indoor unit
B
More than
20cm
More than
20cm
A
Outdoor unit