Toshiba MCY-MAP0401HT2D Installations-Handbuch Seite 15

Selection of refrigerant piping
Gas pipe
Main pipe
1
No. Piping parts
Outdoor unit

↓
Main pipe
1st branching section
Branching section
‚ ↓
Branching pipe
Branching section
Branching section
Indoor unit
ƒ
↓
connecting pipe
Indoor unit
Y-shape branch joint
„
Branching section
Branch header
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Outdoor unit
Liquid pipe
Branching
1st branching
Branch header
pipe
section
2
4
3
Y-shape
Branching
branch joint
pipe
4
2
3
Name
Size of main pipe
Outdoor unit capacity type
Pipe size between branching sections
Total capacity codes of indoor units
at down stream side
Note) If the total capacity code value of indoor units exceeds that of the outdoor units,
apply the capacity code of outdoor units.
Connecting pipe size of indoor unit
Indoor unit capacity type
024, 030, 036, 048 type
Selection of branching section
Y-shape branch joint
Branch header
Note) *1 : When using a Y-shape branching joint for the 1st branch, select according to
capacity code of the outdoor unit.
*2 : For 1 line after branching header indoor units with a maximum capacity code of
6.0 in total can be connected.
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4
3 3
Indoor unit
4
2
3
Selection of pipe size
0401 type
0501 type
0601 type
Equivalent to HP
Below 2.8
2.8 to below 6.4
6.4 to below 7.2
007, 009, 012 type
015, 018 type
Total capacity codes of indoor
units at down stream side
Equivalent to HP
Below 6.4
6.4 or more and up to 7.8
For 4 branches Up to 7.8
For 8 branches Up to 7.8
12
3
3
Gas pipe Liquid pipe
15.9 9.5
15.9 9.5
19.1 9.5
Gas pipe Liquid pipe
12.7 9.5
15.9 9.5
19.1 9.5
Gas pipe Liquid pipe
9.5 6.4
12.7 6.4
15.9 9.5
Model name
RBM-BY53E
RBM-BY103E
RBM-HY1043E
RBM-HY1083E
Fax: 01823 665807