Toshiba MAP0801T8 Installation Manual page 17

No. Piping parts
†
Branching Y-shape branching joint
section
Branching header
T-shape branching joint
Follower Follower Follower
unit 3 unit 2 unit 1
6 6
1 Outdoor unit
1
connecting
piping
6
2
Main connecting
piping between
outdoor units
Name
6) Selection of branching section
Y-shape branching joint
Branching header ∗2
T-shape branching joint
(For link of outdoor units)
∗1: If exceeding the main pipe size, decide the size same to main pipe size.
∗2: Up to total 6.0 of Max. capacity codes is connectable to one line after branching of header.
Header unit
Outdoor
unit
7
Balance pipe
6 T-shape
branching joint
1 1
6
6
2
3
1st branching
Main piping
section
Selection of pipe size
Total capacity code of indoor units
Equivalent to capacity
Below 18.0
18.0 to below 40.0
*1 40.0 to below 70.5
Above 70.5
Below 40.0
For 4
branches
40.0 to below 70.5
Below 40.0
For 8
branches
40.0 to below 70.5
The following 3 types of T-shape branching joint pipes are made to one set.
Arrange the required quantities and combine at the local site.
• Balance pipe (Corresponding dia. Ø9.5) × 1
• Pipe at liquid side (Ø9.5 to Ø22.1) × 1
• Pipe at gas side (Ø15.9 to Ø41.3) × 1
4
Branching pipe
Indoor unit connecting pipe
5
6
Y-shape
branching
6
joint 4
4
5
Indoor unit
connecting pipe
14
Equivalent to HP
Below 6.4
6.4 to below 14.2
14.2 to below 25.2
Above 25.2
Below 14.2
14.2 to below 25.2
Below 14.2
14.2 to below 25.2
6
Branching header
6
4
5 5 5
Indoor unit
6
4
6
4
5 5 5
Indoor unit
Model name
RBM-BY53E
RBM-BY103E
RBM-BY203E
RBM-BY303E
RBM-HY1043E
RBM-HY2043E
RBM-HY1083E
RBM-HY2083E
RBM-BT13E
5
5