Piping Length And Elevation - LG LA121CNM Installation Manual

Installation

Piping Length And Elevation

Pipe Size
Capacity
(Btu/h)
Suction
3/8"
9k
1/2"
12k 1/2"
1/2"
18k
5/8"
24k 5/8"
Indoor unit
A
B
Outdoor unit
• Capacity is based on standard length and maximum allowance length is on the basis of
reliability.
• Oil trap should be installed every 5~7meters (16.4~23.0ft).
14 Room Air Conditioner
Standard
Length
Evap m(ft)
1/4" 7.5(25)
1/4" 7.5(25)
1/4" 7.5(25)
1/4" 7.5(25)
1/4" 7.5(25)
1/4" 7.5(25)
A
Indoor unit
Max.
Elevation
m(ft)
B
7.5(25)
7.5(25)
7.5(25)
15(49)
7.5(25)
7.5(25)
Outdoor unit
Indoor unit
B
In case more than 5m(16.4ft)
Max.
Additional Refrigerant
length
g/m(oz/ft)
m(ft)
A
15(49) 20(0.22)
15(49) 20(0.22)
15(49) 20(0.22)
30(98) 20(0.22)
15(49) 20(0.22)
15(49) 20(0.22)
Outdoor unit
A
Oil trap
B