Toshiba MCY-MAP0401HT Installation Manual page 10

Selection of refrigerant piping
Outdoor unit
Gas pipe Liquid pipe
Main pipe
1st branching
section
1
4
Branching
pipe
2
No. Piping parts Name
Size of main pipe
Outdoor unit
➀
Main pipe
1st branching section
Pipe size between branching sections
Total capacity codes of indoor units at
Branching section
➁
Branching pipe
Branching section
* If the total capacity code value of indoor units exceeds that of the outdoor units, apply
Connecting pipe size of indoor unit
Branching section
Indoor unit
➂
connecting pipe
Indoor unit
Selection of branching section
➃ Y-shape branch
Branching section
joint Branch header
*1: For each line after branching header, total indoor capacity code must be 6.0 maximum.
17-EN
Branching
Branch header
pipe
4
2
3 3 3
3
Intdoor unit
Y-shape
branch joint
4
4 2
3 3
3
Selection of pipe size
Outdoor unit capacity type Gas pipe
040 type 15.9
050 type 15.9
060 type 19.1
down stream side
Gas pipe
Equivalent to HP
Below 2.8 12.7
2.8 to below 6.4 15.9
6.4 to below 7.2 19.1
the capacity code of outdoor units.
Indoor unit capacity type Gas pipe
007, 009, 012 type 9.5
015, 018 type 12.7
024, 030, 036, 048 type 19.1
Model name
Y-shape branch joint RBM-BY55E
For 4 branches RBM-HY1043E
Branch header *1
For 8 branches RBM-HY1083E
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Selection of refrigerant piping for quiet place (with PMV Kit)
Gas pipe
Main pipe
1
No. Piping parts
Outdoor unit
➀
1st branching section
Liquid pipe
9.5
9.5
9.5
Branching section
➁
Branching section
Liquid pipe
9.5
9.5
9.5
Branching section
➂
Indoor unit
Liquid pipe
6.4
6.4
➃
Branching section
9.5
➄
PMV Kit
Outdoor unit
Liquid pipe
Branch
1st branching Branching
pipe header
section
4
4 2
5 5 5
3 3
3
Y-shape
Branching
branch joint
pipe
4
4
2
2
5 5
3
3
Name Selection of pipe size
Size of main pipe
Outdoor unit capacity type
Main pipe 040 type
050 type
060 type
Pipe size between branching sections
Total capacity codes of indoor units at
down stream side
Equivalent to HP
Branching pipe
Below 2.8
2.8 to below 6.4
6.4 to below 7.2
* 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
Indoor unit
007, 009, 012 type
connecting pipe
015, 018 type
024, 030, 036, 048 type
Selection of branching section
Y-shape branch joint
Y-shape branch
joint Branch header
For 4 branches
Branch header *1
For 8 branches
*1: For each line after branching header, total indoor capacity code must be 6.0 maximum.
Selection of PMV Kit
Indoor unit capacity type
PMV Kit
007, 009, 012 type
015, 018, 024 type
PMV Kit
5
3
Intdoor unit
5
3
Intdoor unit
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
19.1 9.5
Model name
RBM-BY55E
RBM-HY1043E
RBM-HY1083E
Model name
RBM-PMV0362E
RBM-PMV0902E
18-EN