Samsung DVM S VRF - Refrigerant Pipe Temper Grade and Thickness

10. Installation
150
Refrigerant pipe installation
Classification
Model name of
indoor unit
Number
of units
Unit amount of
refrigerant (kg/EA)
Amount of additional
refrigerant (kg)
Total amount of additional
refrigerant (kg)
① ② ①
×
②
∑(
①
×
②
)
Indoor unit (
ⓑ
)
4way cassette
(AM071FN4DEH

)
5 0.45 2.25
ⓑ
4.66
4way cassette
(AM112FN4DEH

)
2 0.57 1.14
Neo forte
(
AM028FNTDEH

)
1 0.27 0.27
MCU 2 0.5 1
- Total amount of refrigerant (ⓐ+ⓑ) = 11.965+4.66 = 16.625 (kg)
Temper grade and minimum thickness of the refrigerant pipe
Outer diameter (mm) Minimum thickness (mm) Temper grade
Ø 6.35 0.70
Annealed
Ø 9.52 0.70
Ø 12.70 0.80
Ø 15.88 1.00
Ø 19.05 0.90
Drawn
Ø 22.22 0.90
Ø 25.40 1.00
Ø 28.58 1.10
Ø 31.75 1.10
Ø 34.92 1.21
Ø 38.10 1.35
Ø 41.28 1.43
Ø 44.45 1.60
Ø 50.80 2.00
Ø 53.98 2.10
• 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
personal injury.
CAUTION