LG A3UW186FA3 Installation Manual page 8

Installation of Indoor, Outdoor Unit
Piping length and elevation
Multi Piping Type
Capacity(kBtu/h)
18
21
24/27
30
40
Distributor Type
Capacity
Phase
(kBtu/h)
40
1Ø 48
56
42
3Ø 48
54
h1
Multi Piping Type
CAUTION: Capacity is based on standard length and maximum allowance
length is on the basis of reliability. If outdoor unit is at higher elevation than
the indoor units, after 24m of vertical height, 1 oil trap is required.
8 Multi Air Conditioner
Total Length Max Length(A/B)
40
50
70
75
85
Max Main Pipe
Total Length
Length (A/B)
100 50
135 55
145 55
125 55
135 55
145 55
A
B
25
25
25
25
25
Total Branch
Pipe Length
50
80
90
70
80
90
Distributor
A
h2
h1
Distributor Type
Max Elevation In - In Elevation
(h1)
15
15
15
15
15
Max Branch Max Elevation
Pipe Length (h1)
15 30
15 30
15 30
15 30
15 30
15 30
Branch Pipe
Distributor
Main Pipe
B
(Unit: m)
(h2)
7.5
7.5
7.5
7.5
7.5
(Unit: m)
In - In Elevation
(h2)
15
15
15
15
15
15
h2