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Installation of Indoor, Outdoor Unit
Piping length and the elevation
Capacity
18K BTU/h
24K BTU/h
30K BTU/h
36K BTU/h
LB-C366GTA3
42K BTU/h
48K BTU/h
60K BTU/h
Indoor unit
B
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.
8 Ceiling Duct Type Air Conditioner
Pipe Size
(Diameter: Ø)
Gas
Liquid
5/8"
1/4"
5/8"
1/4"
5/8"
1/4"
5/8"
1/4"
5/8"
1/4"
3/4"
3/8"
3/4"
3/8"
3/4"
1/2"
A
Outdoor unit
Indoor unit
Length A(m)
Standard
Max.
7.5
30
7.5
30
7.5
30
7.5
30
7.5
30
7.5
30
7.5
30
7.5
30
Outdoor unit
A
B
Elevation B(m)
Standard
Max.
5
15
5
15
5
15
5
15
5
15
5
15
5
15
5
15
A
Oil trap
Indoor unit
If piping length is more than 5m
*Additional
refrigerant
(g/m)
30
35
30
40
50
50
60
90
Outdoor unit
B
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