UPDATED A5 Panasonic technical handbook F 2025 - Flipbook - Page 119
R32 Mini ECOi Additional Refrigerant Charge Ð Single Fan (4~6hp)
Factory charge
Additional
U-4LZ2E5/8
U-5LZ2E5/8
Refrigerant
2.7 kg
Real length
Liquid line
=
Additional charge
Per 1m of liquid
line
X
Charge
U-6LZ2E5/8
Maximum refrigerant charge 12kg
Liquid line
Pipe size (m)
Additional
Refrigerant
(kg/m)
1/2Ó (12.7mm)
0.112kg/m
3/8Ó (9.5mm)
0.050 kg/m
1/4Ó (6.4mm)
0.023 kg/m
Example of U-4LZ2E5
Pipe
Size
"
Pipe
Length
M
3/8=
1/4=
19
32
Additional
Refrigerant
kg/m
x
x
0.05
0.023
Additional
Charge
kg
=
=
0.95
0.736
+
1.686
F - GAS REGULATIONS
Total system charge must be
clearly
stated on the outdoor unit label.
119
Base
Charge
kg
+
2.7
Total
Charge
kg
=
4.386