Additional Charge Calculation - Fujitsu AUYG07LVLA Design & Technical Manual

2-5.

ADDITIONAL CHARGE CALCULATION

The outdoor unit refrigerant is charged at the factory.
Additional refrigerant required to be charged on site depending on pipe length.
The additional refrigerant charge amount is calculated according to the following formula.
Round up the calculated result to two decimal places.
CALCULATION OF ADDITIONAL CHARGE REFRIGERANT
Diameter of liquid
pipe
unit: mm (in.)
ø6.35 (1/4)
ø9.52 (3/8)
Calculation of additional amount for pipe length
Total
length of
x 58
ø9.52mm
(3/8in.)
g/m
liquid pipe
m
Additional amount for
pipe length
unit: g/m
21
58
Total
length of
x 21
ø6.35mm
(1/4in.)
g/m
liquid pipe
+
m
kg kg
Total
=
kg
- (06 - 18) - 6. SYSTEM DESIGN