LG ARUM080LTE5 Engineering Product Data Book page 739

Multi V 5
7. Refrigerant piping system
7.4 The amount of Refrigerant
The calculation of the additional charge should take into account the length of pipe and CF(correctionFactor) value
of indoor unit.
Additional charge(kg)
Note
For CF value (additional refrigerant) table of indoor units, please refer to th PDB of indoor unit.
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= Total liquid pipe : Ø25.4mm (1inch)
+ Total liquid pipe : Ø22.2mm (7/8inch)
+ Total liquid pipe : Ø19.05mm (3/4inch)
+ Total liquid pipe : Ø15.88mm (5/8inch)
+ Total liquid pipe : Ø12.7mm (1/2inch)
+ Total liquid pipe : Ø9.52mm (3/8inch)
+ Total liquid pipe : Ø6.35mm (1/4inch)
+ Number of installed HR units(2,3,4port)
+ Number of installed HR units(6,8port)
+ CF value of indoor unit(kg/EA)
Installation of Outdoor Units
× 0.480(kg/m)
× 0.354(kg/m)
× 0.266(kg/m)
× 0.173(kg/m)
× 0.118(kg/m)
× 0.061(kg/m)
× 0.022(kg/m)
× 0.500(kg)
× 1.000(kg)