Piping Length And Elevation - LG LMU366HV Installation Instructions Manual

Piping length and elevation

Multi Piping Type
Max total length
Outdoor Unit
of all pipes
Capacity
(A+B)/(A+B+C)/
(Btu/h class)
(A+B+C+D)
18k 50(164)
24k 75(246)
36k 75(246)
Indoor unit
Capacity
(Btu/h class)
9k
12k
18k
CAUTION: Capacity is based on standard length and maximum allowance
length is on the basis of reliability.
Max length of Min length of
each pipe each pipe
(A/B/C/D) (A/B/C/D)
25(82) 3(10)
25(82) 3(10)
25(82) 3(10)
Pipe Diameter
Unit : mm(inch)
Gas Liquid
9.52(3/8) 6.35(1/4)
9.52(3/8) 6.35(1/4)
12.7(1/2) 6.35(1/4)
A
B
C
D
Installation of Indoor, Outdoor Unit
Max Elevation
Max elevation
between each
between indoor
indoor unit and
units (h2)
outdoor unit (h1)
15(49) 7.5(25)
15(49) 7.5(25)
15(49) 7.5(25)
Standard
Pipe Length
Unit : m(ft)
7.5(25)
7.5(25)
7.5(25)
Installation Manual 11
Unit : m(ft)
Max.Combination
of Indoor unit
(Btu/h class)
24k
33k
48k
Additional
Refrigerant
Unit : g/m(oz/ft)
20(0.22)
20(0.22)
20(0.22)
h2
h1