Samsung DVM S ECO AM XMDG Series - Calculating total additional refrigerant amount

AA
20
Installation of Air-conditioner
m01 * 25.9Ø
536Ø
m01*
m5 * 25.9Ø
6Ø
.
53
*
m01
*HEDTNF630MA*HED4NF170MA
m5 * 25.9Ø
m5 * 53.6Ø
m5 * 53.6Ø
*HED4NF540MA
*HEDTNF630MA
m01 * 53.6Ø
m5 * 53.6Ø
*HEDTNF630MA
Method to calculate total amount of additional refrigerant
 Total amount of additional refrigerant
Total amount of additional refrigerant = Amount of additional refrigerant depending on the pipe length
+ Amount of additional refrigerant for each indoor unit

Amout of additional refrigerant depending on the pipe length
Size of Liquid pipe
(mm)
Length(m)
Unit amount of refrigerant
(kg/m)
Amount of additional
refrigerant (kg)
Total amount
of additional
refrigerant (kg)
Ø6.35
20 0.02 0.4
1.75
Ø9.52
20 0.06 1.2
EEV kit ~ indoor unit 15 0.01 0.15

Amount of additional refrigerant charging for each indoor unit
Model name of
Indoor unit
Number of
units (EA)
Unit amount of refrigerant
(kg/m)
Amount of additional
refrigerant (kg)
Total amount
of additional
refrigerant (kg)
AM045FN4DEH*
1 0.45 0.45
1.62
AM071FN4DEH*
1 0.45 0.45
AM036FNTDEH* 3 0.24 0.72
 Total amount of additional refrigerant = 1.75 + 1.62 = 3.37 (kg)