LG MULTI V WATER IV ARWV100DAL4, Руководство по установке

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Installation Manual 31
ENGLISH
Refrigerant piping system
Calculation of amount of refrigerant
The calculation of the additional charge should take account of the diameter and length of the pipe.
Additional charge (kg)
Product Charge(kg)
=
+
+
+
+
+
+
+ =
+
Total liquid pipe (m): Ø22.2mm x 0.354(kg/m)
Total liquid pipe (m): Ø25.4 mm x 0.480(kg/m)
x 0.266(kg/m)
x 0.173(kg/m)
x 0.118(kg/m)
x 0.061(kg/m)
x 0.022(kg/m)
Total liquid pipe (m): Ø19.05mm
Total liquid pipe (m): Ø15.88mm
Total liquid pipe (m): Ø12.7mm
Total liquid pipe (m): Ø9.52mm
Total liquid pipe (m): Ø6.35mm
CF(kg)
(Correction Factor)
Total amount(kg)
If a negative result is obtained from
the calculation, no refrigerant needs
to be added.
A
A B
B
CAUTION
Outside unit
Header branch
Indoor
unit
Ex) 10HP
Additional Charge = A x 0.061 + B x 0.061 + C x 0.061
+ D x 0.061 + E x 0.022 + CF
= 50 x 0.061 + 10 x 0.061 + 10 x 0.061
+ 10 x 0.061 + 10 x 0.022 + 0(CF)
= 5.1kg
A : Ø9.52, 50m
B : Ø9.52, 10m
C : Ø9.52, 10m
D : Ø9.52, 10m
E : Ø6.35, 10m
Attach the additional refrigerant table of IDU.
h h
0.2m
Toward indoor unit Toward indoor unit
Oil Trap
(Example 3)
MFL67705803 2018. 9. 17. 오오 12:58 Page 31