Calculation For Additional Refrigerant - Samsung mini DVM Series Service Manual

Reference Information

13-3 Calculation for additional refrigerant

I Selecting additional refrigerant
• It depends on the total length of the liquid side pipe after the first Y-Joint.
Liquid side pipe ø22.23
A =
Total pipe length(m)x0.35
Liquid side pipe ø12.70
Total pipe length(m)x0.0125
• Example of calculating additional refrigerant : In case of 30HP outdoor unit
a : ø19.05x30m
b : ø15.88x10m
c : ø9.52x10m
A = 30x0.27
13-8
Liquid side pipe ø19.05
+
Total pipe length(m)x0.27
Liquid side pipe ø9.52
+
Total pipe length(m)x0.06
d : ø9.52x10m g : ø6.35x10m
e : ø9.52x10m h : ø6.35x10m
f : ø9.52x10m i : ø12.70x10m
+ 10x0.18 + 10x0.125
Liquid side pipe ø15.88
+
Total pipe length(m)x0.18
Liquid side pipe ø6.35
+
Total pipe length(m)x0.02
j : ø6.35x10m
k : ø6.35 x 9m
+ 40x0.06 + 49x0.02
+
= 14.33
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