Samsung DVM S VRF Technical Data Book page 150

10. Installation
Refrigerant pipe installation
Model name of
Classification
4way cassette
(AM071FN4DEH✴)
4way cassette
(AM112FN4DEH✴)
Indoor unit (ⓑ)
(AM028FNTDEH✴)
- Total amount of refrigerant (ⓐ+ⓑ) = 11.965+4.66 = 16.625 (kg)
Temper grade and minimum thickness of the refrigerant pipe
Outer diameter (mm)
Ø 6.35
Ø 9.52
Ø 12.70
Ø 15.88
Ø 19.05
Ø 22.22
Ø 25.40
Ø 28.58
Ø 31.75
Ø 34.92
Ø 38.10
Ø 41.28
Ø 44.45
Ø 50.80
Ø 53.98
• For pipes larger than Ø 19.05, drawn type (C1220T-1/2H or C1220T-H) type copper pipe must be used. If a
annealed type (C1220T-O) copper pipe is used, pipe may break due to its low pressure resistance and cause
CAUTION
personal injury.
150
Number
of units
indoor unit
①
5
2
Neo forte
1
MCU 2
Unit amount of
refrigerant (kg/EA)
②
0.45
0.57
0.27
0.5
Minimum thickness (mm)
0.70
0.70
0.80
1.00
0.90
0.90
1.00
1.10
1.10
1.21
1.35
1.43
1.60
2.00
2.10
Amount of additional Total amount of additional
refrigerant (kg)
①×②
2.25
1.14
0.27
1
Temper grade
Annealed
refrigerant (kg)
∑(①×②)
ⓑ 4.66
Drawn