LG Air Conditioner Installation Manual page 7

3. Piping length and the elevation
Pipe Size
Capacity (Diameter:Ø)
Gas
24k Btu/h 1/2"(12.7mm) 1/4"(6.35mm)
34k Btu/h 5/8"(15.88mm) 1/4"(6.35mm)
Indoor unit
A
B
Outdoor unit
CAUTION:
• Rated performance for refrigerant line length of:7.5m(25ft)
• 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(32.8ft)..
Length A(m)
Liquid Standard
7.5(25')
7.5(25')
A
Indoor unit
Installation of Indoor, Outdoor Unit
Elevation B(m)
Max. Standard
30(100') 5(16')
35(115') 5(16')
Outdoor unit
Oil trap
B
Indoor unit
If piping length is more than 5m(16.4ft)
*Additional
refrigerant(g/m)
Max.
15(50') 20(0.22 oz./ft.)
20(66') 30(0.32 oz./ft.)
Outdoor unit
A
B
Installation Manual 7