Piping; Additional Refrigerant - Toshiba HFC R407C Service Manual

Additional refrigerant

One Multi Controller
Outdoor
L1
Two Multi Controllers
Outdoor
L1
Three Multi Controllers
Y
Outdoor
X
Z
Four Multi Controllers
Y
Outdoor
X
Z
Pipe
MAR-F105 - main pipe L1 (X+Y+Z) (minus 2 m) x
1st longest sub pipe L2 (minus 1 m)
2nd longest sub pipe L2 (minus 1 m)
1st longest branch pipe L3 (minus 2 m)
2nd longest branch pipe L3 (minus 2 m)
3rd longest branch pipe L3 (minus 2 m)
4th longest branch pipe L3 (minus 2 m)
5th longest branch pipe L3 (minus 2 m)
6th longest branch pipe L3 (minus 2 m)
7th longest branch pipe L3 (minus 2 m)
8th longest branch pipe L3 (minus 2 m)
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Additional refrigerant

Piping

M/C
L3
M/C
L2 L3
M/C
L3
L2
M/C
L3
L2
x
x
x
x
x
x
x
x
x
x
Total additional gas charge
Indoor
Indoor
Table 1 - Branch pipes
RAV-10* : 0.030 kg/m
RAV-13* : 0.030 kg/m
RAV-16* : 0.030 kg/m
Indoor
RAV-26* : 0.045 kg/m
RAV-36* : 0.045 kg/m
RAV-46* : 0.045 kg/m
Example:
RAV-464CH-PE
Indoor
L1 = Main pipe (X + Y + Z)
L2 = Sub pipe
L3 = Branch pipe
Additional gas/metre
0.19 kg/m
0.125 kg/m
0.125 kg/m
Refer to Table 1
Refer to Table 1
Refer to Table 1
Refer to Table 1
Refer to Table 1
Refer to Table 1
Refer to Table 1
Refer to Table 1
RAV-46*
Additional gas
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= kg