LG universal system air conditioner Service Manual page 94

MPS Inverter SINGLE A
8.4 Piping length and the elevation
Pipe Size
Capacity (Diameter:Ø)
Gas
1/2"
12k Btu/h
(12.7mm)
1/2"
18k Btu/h
(12.7mm)
1/2"
24k Btu/h
(12.7mm)
5/8"
30k Btu/h
(15.88mm)
5/8"
36k Btu/h
(15.88mm)
3/4"
48k Btu/h
(19.05mm)
3/4"
60k Btu/h
(19.05mm)
Extra refrigerant = (Extended length - Rated length) x Additional refrigerant.
Indoor unit
A
B
CAUTION
• Capacity is based on standard length and maximum allowance length is on the basis of reliability.
• Improper refrigerant charge may result in abnormal cycle.
• Oil trap should be installed every 10 meters.
94 Universal System Air Conditioner
Length
Liquid Standard
1/4"
7.5
(6.35mm)
1/4"
7.5
(6.35mm)
1/4"
7.5
(6.35mm)
1/4"
7.5
(6.35mm)
1/4"
7.5
(6.35mm)
3/8"
7.5
(9.52mm)
3/8"
7.5
(9.52mm)
Outdoor unit
Indoor unit
(m) Elevation
Max. Standard
40 5
40 5
50 5
50 5
50 5
70 5
70 5
Outdoor unit
A
B
Indoor unit
(m)
*Additional
refrigerant(g/m)
Max.
30 20
30 25
30 30
30 35
30 35
50
30
(Chargeless 30m)
50
30
(Chargeless 30m)
Outdoor unit
A
Oil trap
B