Operating Instructions and Installation
Samsung Electronics11-6
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When installing 6 indoor units using EEV kit
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Selecting the size of the refrigerant pipe after the first Y-joint
Note : • When installing pipe between the Y-joint,the minimum size of the liquid pipe is ø9.52(3/8”)and the minimum size of the gas
pipe is ø15.88(5/8”).
Note : • When total pipe length is more than 40m, the diameter of pipe from the outdoor unit to the first Y-joint has to step up.
✳ A, B, C : Y-joint (When selecting the Y-joint B:Total capacity of the indoor unit 2,3,4,5,6)
Section Outdoor Unit
Outdoor unit
EEV kit
The distance between
the outdoor unit
and the furthest indoor unit
Difference of height between
the outdoor and indoor unit (m)=H1
30(25)
Difference of height between
the indoor units (m)=H2
Maximum
allowable
length of pipe
Maximum
allowable height
Maximum allowable length after the first Y-joint
15
First Y-joint ~Indoor unit : less than 30m
For example) b + c + d + j ≤ 30m, b + c + g ≤ 30m
Allowable length between
EEV kit and indoor unit : less than 20m
For example) h, i, j < 20m
Actual length (m)
100
For example) a + b + c + d + j ≤ 100m
Liquid pipe
Low pressure
gas pipe
Total capacity of the
indoor unit
Total capacity of the
indoor unit
6,000W or more
6,000W or less
6,000W or more
6,000W or less
ø9.52(3/8")xt0.8
ø6.35(1/4")xt0.8
ø15.88(5/8")xt1.0
ø12.70(1/2 ”)xt0.8
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