Operating Instructions and Installation
Samsung Electronics11-30
• Selecting additional refrigerant charge
- Depends on the total length of the liquid side pipe.
- Example of calculating additional refrigerant:In case of 30HP outdoor unit
- The amount of basic charge
Liquid side pipe ø22.23
Total pipe length(m)X 0.35
a : ø19.05x30m
b : ø15.88x10m
c : ø9.52x10m
d : ø9.52x10m
e : ø9.52x10m
f : ø9.52x10m
g : ø6.35x10m
h : ø6.35x10m
i : ø12.70x10m
j : ø6.35x10m
k : ø6.35 x 9m
Liquid side pipe ø19.05
Total pipe length(m)X 0.27
Liquid side pipe ø15.88
Total pipe length(m)X 0.18
A=
A= ++++= 14.33
30x0.27 10x0.18 10x0.125 40x0.06 39x0.02
+++
Liquid side pipe ø12.70
Total pipe length(m)X 0.125
Liquid side pipe ø9.52
Total pipe length(m)X 0.06
Liquid side pipe ø6.35
Total pipe length(m)X 0.02
++
Pipe diameter (mm) ø22.23 ø19.05 ø15.88 ø12.70 ø9.52 ø6.35
Total length (m) 0 30 10 10 40 39
HP Factory charged (kg)
8/10 6.3
12/14 7.5
Liquid side pipe (mm) Basic charging for pipes (kg)
ø6.35 0.02
ø9.52 0.06
ø12.70 0.125
ø15.88 0.18
ø19.05 0.27
ø22.23 0.35
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