LG Universal System Air Conditioner - Page 94

94 Universal System Air Conditioner
MPS Inverter SINGLE A
8.4 Piping length and the elevation
• 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.
CAUTION
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
Gas Liquid Standard Max. Standard Max.
Capacity
18k Btu/h
1/2"
(12.7mm)
1/4"
(6.35mm)
7.5 40 5 30
25
12k Btu/h
1/2"
(12.7mm)
1/4"
(6.35mm)
7.5 40 5 30 20
24k Btu/h
1/2"
(12.7mm)
1/4"
(6.35mm)
7.5 50 5 30 30
30k Btu/h
5/8"
(15.88mm)
1/4"
(6.35mm)
7.5 50 5 30 35
36k Btu/h
❈ Extra refrigerant = (Extended length - Rated length) x Additional refrigerant.
5/8"
(15.88mm)
1/4"
(6.35mm)
7.5 50 5 30 35
48k Btu/h
3/4"
(19.05mm)
3/8"
(9.52mm)
7.5 70 5 30
50
(Chargeless 30m)
60k Btu/h
3/4"
(19.05mm)
3/8"
(9.52mm)
7.5 70 5 30
50
(Chargeless 30m)
Pipe Size
Length (m) Elevation (m)
*Additional
(Diameter:Ø)
refrigerant(g/m)