UPDATED A5 Panasonic technical handbook F 2025 - Flipbook - Page 122
R410A Mini ECOi Additional Refrigerant Charge Ð Double Fan (8~10hp)
Factory charge
U-8LE1E8
U-10LE1E8
6.3
Additional
Refrigerant
6.6
Real length
Liquid line
=
Additional charge
Per 1m of liquid
line
X
Charge
Liquid line
Pipe size (m)
Additional
Refrigerant
(kg/m)
1/2Ó (12.7mm)
0.128kg/m
3/8Ó (9.5mm)
0.056 kg/m
1/4Ó (6.4mm)
0.026 kg/m
Example of U-8LE2E5
Pipe
Size
"
Pipe
Length
M
3/8=
1/4=
19
32
Additional
Refrigerant
kg/m
x
x
0.056
0.026
Additional
Charge
kg
=
=
1.064
0.832
+
1.896
Base
Charge
kg
+
6.3
Total
Charge
kg
=
8.196
* If the total amount of refrigerant for the system exceeds 24 kg, change the size of the tubing to reduce the
amount of refrigerant.
F - GAS REGULATIONS
Total system charge must be clearly
stated on the outdoor unit label.
122
