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Additional refrigerant

Piping

Additional refrigerant

One Multi Controller

Two Multi Controllers

Three Multi Controllers

Four Multi Controllers

L1 = Main pipe (X + Y + Z)

L2 = Sub pipe

L3 = Branch pipe

Table 1 - Branch pipes

RAV-10* : 0.030 kg/m

RAV-13* : 0.030 kg/m

RAV-16* : 0.030 kg/m

RAV-26* : 0.045 kg/m

RAV-36* : 0.045 kg/m

RAV-46* : 0.045 kg/m

Example:

RAV-464CH-PE i RAV-46*

Outdoor

Indoor

M/C

Pipe Additional gas/metre Additional gas

MAR-F105 - main pipe L1 (X+Y+Z) (minus 2 m) x 0.19 kg/m =

1st longest sub pipe L2 (minus 1 m) x 0.125 kg/m =

2nd longest sub pipe L2 (minus 1 m) x 0.125 kg/m =

1st longest branch pipe L3 (minus 2 m) x Refer to Table 1 =

2nd longest branch pipe L3 (minus 2 m) x Refer to Table 1 =

3rd longest branch pipe L3 (minus 2 m) x Refer to Table 1 =

4th longest branch pipe L3 (minus 2 m) x Refer to Table 1 =

5th longest branch pipe L3 (minus 2 m) x Refer to Table 1 =

6th longest branch pipe L3 (minus 2 m) x Refer to Table 1 =

7th longest branch pipe L3 (minus 2 m) x Refer to Table 1 =

8th longest branch pipe L3 (minus 2 m) x Refer to Table 1 =

Total additional gas charge = kg

Toshiba HFC R407C User Manual

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