UPDATED A5 Panasonic technical handbook F 2025 - Flipbook - Page 121
R410A Mini ECOi Additional Refrigerant Charge Ð Single Fan (4~6hp)
Factory charge
Additional
U-4LE2E5/8
U-5LE2E5/8
Refrigerant
6.7 kg
=
Real length
Liquid line
X
Charge
Additional charge
Per 1m of liquid
line
U-6LE2E5/8
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-4LE2E5
Pipe
Size
"
Pipe
Length
M
3/8=
1/4=
19
32
Pre
Charge
kg
Additional
Refrigerant
kg/m
x
x
0.056
0.026
=
=
1.064
0.832
+
-2.8
Additional
Charge
kg
=
-0.904
Base
Charge
kg
+
6.7
Total
Charge
kg
=
6.7
These systems are pre-charged for 50M.
If additional charge calculation is negative do not recover refrigerant
F - GAS REGULATIONS
Total system charge must be clearly
stated on the outdoor unit label.
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