Samsung RVMH060GDM3 Installation Manual page 21

Selecting the refrigerant pipe and the allowable length of the pipe
The refrigerant pipe should be short as much as possible and minimize the
maximum allowable difference of height.
When installing 6 indoor units using only the refnet joint (Outdoor unit Type A, B)
Outdoor unit
A, B, C, D, E:
Refnet joint (When selecting the refnet joint B:Total capacity of the indoor unit 2, 3, 4, 5, 6)
Section
Total length of pipe (m)
Maximum
allowable
The distance between
length of
the outdoor unit and
pipe
the furthest indoor unit
Difference of height between the
outdoor and indoor unit (m)=H1
Maximum
allowable
height
Difference of height between the
indoor units (m)=H2
Maximum allowable length after the
first branch pipe
Outdoor unit
Type A
140
Actual length
(m)
For example) In case of Type B : a + b + c + d + e + f ≤ 100m
30(25)
First refnet joint ~ Indoor unit : less than 30m
For example) b + c + d + e + f ≤ 30m , b + c + i ≤ 30m
The distance of the shortest and longest indoor pipe
from the refnet joint : less than 20m
70
15
Type B
200
100
50(40)
21
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