Toshiba HFC R-410A manual Free branching system, Line branching system Header branching system

Note 3: The minimum indoor floor area compared with the amount of refrigerant is roughly as follows (when the ceiling is 2.7 m high):

2. Free branching system

Line branching system  Header branching system

 Header branching after line branching  Line branching after header branching  Header branching after header branching

m2

Min. indoor floor area

Range below the

density limit of

0.3kg/m3 (countermeasures not needed)

Range above the density limit of 0.3 kg/m3 (countermeasures needed

kg

Total refrigerant amount

The above five branching systems are available to increase significantly the flexibility of refrigerant piping design.

Line branching system

Header branching system

Outdoor unit

Branching joint

Indoor unit

Remote

controller

Outdoor unit

Branching header

Indoor unit

Remote controller

Header branching after line branching

Line branching after header branching

Header branching after header branching

Outdoor unit

Branching joint

Branching header

Indoor unit

Remote controller

Outdoor unit

Branching header

Branching joint

Indoor unit

Remote controller

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