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