LG LB-C186HSA2 - Page 8

8 Ceiling Duct Type Air Conditioner
Installation of Indoor, Outdoor Unit
Piping length and the elevation
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
If piping length is more than 5m
30
35
30
40
50
60
90
Capacity
Gas
5/8"
5/8"
5/8"
5/8"
3/4"
3/4"
3/4"
Liquid
1/4"
1/4"
1/4"
1/4"
3/8"
3/8"
1/2"
Elevation B(m)
Length A(m)
*Additional
refrigerant
(g/m)
Pipe Size
(Diameter: Ø)
Standard
7.5
7.5
7.5
7.5
7.5
7.5
7.5
Standard
5
5
5
5
5
5
5
Max.
30
30
30
30
30
30
30
Max.
15
15
15
15
15
15
15
18K BTU/h
24K BTU/h
30K BTU/h
36K BTU/h
42K BTU/h
48K BTU/h
60K BTU/h
CAUTION:
• If 48k Model is installed at a distance of 15m, 450g of refrigerant
should be added (15-7.5) x 60g = 450g
• Capacity is based on standard length and maximun allowance length
is on the basis of reliability.
• Improper refrigerant charge may result in abnormal cycle.
• Oil trap should be installed every 10 meters.