Connecting The Refrigerant Pipe - Samsung UH052EAMT Installation Manual

Connecting the refrigerant pipe

Refrigerant Piping System (i.e. 2 indoor units)
Refrigerant piping system table
Max. allowable Actual pipe
length length
Allowable Actual pipe
height length length
Max. difference
Difference in
in length after
length
branching
You had better make piping length from the refnet joint to indoor unit equal with the other ( L1=L2 ).
It is recommended there is no height difference between indoor units.
Install the oil trap
Install the oil trap in case that the outdoor unit is situated higher than the
indoor unit.
Install the oil trap only in the gas pipe for cooling operation.
Install the oil trap only between the outdoor unit and the first refnet joint.
In this case, it must be installed every 10m from the outdoor unit.
The radius of curvature(R) is as followings.
The diameter of
12.70
the gas pipe(D)
The radius of 25
curvature(R) or more
The height of the oil trap(H) : 4R ≤ H ≤ 6R
L0+L1(L1≥L2) or L0+L2(L1≤L2)
Between outdoor unit and indoor unit (H1)
Between indoor units (H2)
I L1 - L2 I
15.88 19.05 22.23 25.40
32 38 41 51
or more or more or more or more
H2
L1
Refnet joint
L0
Pipe length or height
UH052EAMT
UH070EAMT
30m or less
15m or less
0.5m or less
6m or less
(Unit : mm)
28.60 31.75
57 60
or more or more
H1
L2
Outdoor Unit
R
H
Oil trap
Refnet joint
(gas pipe:
Indoor unit
must be
installed every
10m)
15
E-