Samsung AM300MXVGNR4ET - Page 48

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 Method to calculate total amount of additional refrigerant
ৄ Amount of additional refrigerant depending on the pipe length (
)
ৄ Amount of additional refrigerant for each indoor unit (
࣒࣑ͱЇϩͱ˙ɇʒʒϩͱɇθʪ˙θ˝ʪθɇϩ˙ͱθʪɇʀ˵
ʀͱʪʀϩʪʒʒͱͱθЇϩ࣒࢜ŵʪ˙ʪθϩͱϩ˵ʪϩɇɵʪ
ৄ Total amount of additional refrigerant =
+
࢜
Sum of total amount of additional refrigerant and the basic amount of refrigerant should not exceed
100kg. If the refrigerant exceeds 100kg, separate the module so that weight of the refrigerant doesn't
exceed 100kg.
kу࢏࣒ͱθđߤߢߢǹǤࡥɵɇϑʀɇͱЇϩͱ˙θʪ˙θ˝ʪθɇϩϑߪ࢏ߦ˝ࡥϩ˵ʪθʪ˙ͱθʪϩͱϩɇɇͱЇϩͱ˙ɇʒʒϩͱɇ
refrigerant (
+ ࣒ϑ˵ͱЇʒͱϩʪуʀʪʪʒ߫ߣ࢏ߨ˝࢏
 Example of refrigerant calculation for HP 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 35 0.02 0.7
5.575
Ø 9.52 50 0.06 3.0
Ø 12.70 15 0.125 1.875
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࣒
4 0.45 1.80
3.10
Slim duct
࣑đߢߧߨĘøUk²࣒
20.350.70
Slim duct
࣑đߢߦߧĘøUk²࣒
1 0.35 0.35
1way cassette
࣑đߢߥߨĘߣUk²࣒
10.250.25
ৄ Total amount of refrigerant ( + ) = 5.575+3.10 = 8.675 (kg)
Refrigerant pipe installation