Samsung AM300MXVGNR4ET - Page 49

49
ENGLISH
 Example of refrigerant calculation for HR models
Aɇϑϑѣʀɇϩͱ Size of liquid pipe
Length (m)
Unit amount
of refrigerant
(kg/m)
Amount of
additional
refrigerant (kg)
Total amount
of additional
refrigerant (kg)
× ࣑ × )
Liquid pipe (
)
Ø 6.35 15 0.02 0.3
11.965
Ø 9.52 112 0.06 6.72
Ø 12.70 25 0.125 3.125
Ø 15.88 10 0.18 1.8
Ø 6.35
࣑kkǤçϩʒͱͱθЇϩ࣒
2 0.01 0.02
Aɇϑϑѣʀɇϩͱ
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)
× ࣑ × )
Indoor unit (
)
4way cassette
࣑đߢߩߣĘߦUk²࣒
50.452.25
4.66
4way cassette
࣑đߣߣߤĘߦUk²࣒
20.571.14
Neo forte
࣑đߢߤߪĘƟUk²࣒
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 1.20
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