Samsung mini DVM Series Service Manual page 410

• Selecting the refrigerant pipe
A ◗
Installing pipes between more than
1 outdoor unit and first Y-joint
- Select the size depending on the
outdoor unit capacity.
Outdoor unit total Liquid side
capacity (HP) (mm)
8
ø9.52
10 ø9.52
12,14 ø12.70
16,18,20,22,24 ø15.88
26,28,30,32,34 ø19.05
36,38,40,42,
ø19.05
44,46,48
B ◗
Among the outdoor units
- Depend on the total capacity of
attached outdoor units.
Outdoor unit Liquid side
capacity (HP) (mm)
X < 26 ø15.88
26 ≤ X < 36
ø19.05
36 ≤ X
ø19.05
Fixed Fixed
B
A
A ◗ When installing more than 1 outdoor unit
and first Y-joint
B ◗ Among the outdoor units
C ◗ Outdoor unit connection
D ◗ Oil balancing pipe
Samsung Electronics
• Selecting the refrigerant pipe
A ◗
Between Y-joints
- Select it depending on attached
indoor units.
Gas side Indoor unit total
(mm) capacity (kW)
ø19.05 X < 22.4
22.4 ≤ X < 33.0
ø22.23
33.0 ≤ X < 47.0
ø25.40
47.0 ≤ X < 71.0
ø28.58
71.0 ≤ X < 104.0
ø31.75
104.0 ≤ X
ø38.10
C ◗
Outdoor unit connection
- Depend on the outdoor unit
Gas side Outdoor unit
(mm) capacity (HP)
ø28.58 8
ø31.75 10
ø38.10 12,14
Digital
D
C
Liquid side Gas side
(mm) (mm)
ø9.52 ø15.88
ø9.52 ø22.23
ø12.70 ø25.40
ø15.88 ø28.58
ø19.05 ø31.75
ø19.05 ø 38.10
D ◗
Oil balancing pipe
- Applicable only 16HP or more
Liquid side Gas side
(mm) (mm)
ø9.52 ø19.05
ø9.52 ø22.23
ø12.70 ø25.40
Operating Instructions and Installation
Outdoor unit
All diameters (mm)
capacity (HP)
X ≥ 16
ø6.35
11-29