LG LMCN185HV Installation Instructions - Page 11

Piping length and elevation

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

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