Toshiba MMU-AP0091H Owner's Manual Installation And Operation page 39

∗ ∗ ∗ ∗ ∗ Selection of refrigerant piping
No. Item

Pipe size of outdoor unit
No. Item
Connecting pipe size between
‚
outdoor unit
No. Item
ƒ
Size of main pipe
No. Item
Pipe size between branching
„
sections *1, *2
Pipe size between the end of
…
branch and FS unit
No. Item
†
Piping of indoor unit
Piping of indoor unit
‡
(Between branching and
indoor unit) *2
∗ ∗ ∗ ∗ ∗ Selection for branching section
No.
Y-Shape branching joint
*3, *4
ˆ
For
4 Branching
Branching
header *3, *4. *5
For
8 Branching
T-Shape branching joint
‰
(For connecting outdoor unit)
Suction Discharge Liquid
gas side gas side side
Ø22.2 Ø19.1 Ø12.7
Ø22.2 Ø19.1 Ø12.7
Ø28.6 Ø19.1 Ø12.7
Suction Discharge Liquid
gas side gas side side
Ø28.6 Ø22.2 Ø15.9
Suction Discharge Liquid
gas side gas side side
Ø22.2 Ø19.1 Ø12.7
Ø28.6 Ø19.1 Ø12.7
Ø28.6 Ø22.2 Ø19.1
Ø34.9 Ø28.6 Ø19.1
Ø34.9 Ø28.6 Ø22.2
Suction Discharge Liquid
gas side gas side side
Ø15.9 Ø12.7 Ø9.5
Ø22.2 Ø19.1 Ø12.7
Ø28.6 Ø22.2 Ø15.9
Ø34.9 Ø28.6 Ø15.9
Ø34.9 Ø28.6 Ø19.1
Ø15.9 Ø12.7 Ø9.5
Ø22.2 Ø19.1 Ø12.7
Suction Discharge Liquid
gas side gas side side
Ø9.5 — Ø6.4
Ø12.7 — Ø6.4
Ø15.9 — Ø9.5
Ø22.2 — Ø12.7
Ø9.5 — Ø6.4
Ø12.7 — Ø9.5
Ø12.7 — Ø6.4
Ø15.9 — Ø9.5
Ø15.9 — Ø9.5
Ø22.2 — Ø12.7
Total capacity code of indoor unit
Equivalent to capacity
Below 18.0
18.0 to below 40.0
40.0 to below 70.5
70.5 or more
Below 40.0
40.0 to below 70.5
Below 40.0
40.0 to below 70.5
For RBM-BT13FE model, only one set of four types of
T-joints is packaged with a unit each.
Therefore, No. of T-joints corresponding to No. of units of
the system should be procured when work at local site.
• Balance pipe (Ø9.52) × 1
• Piping at liquid side (Ø12.7 to Ø22.2) × 1
• Piping at discharge gas side (Ø19.1 to Ø28.6) × 1
• Piping at suction gas side (Ø22.2 to Ø38.1) × 1
36
Outdoor unit model name
—
Total capacity code of indoor units
Balance
pipe
Equivalent to capacity
Ø9.5 Below 61.5
Total capacity code of all outdoor units
Equivalent to capacity
Below 33.5
33.5
— 45.0 to below 61.5
61.5 to below 73.0
73.0 or more
Total capacity code of all outdoor units
Equivalent to capacity
Below 18.0
18.0 to below 34.0
— 34.0 to below 56.5
56.5 to below 70.5
70.5 or more
Below 18.0
—
18.0 or more
Capacity rank of indoor unit
—
15 m or less
15 m above
— 15 m or less
15 m above
Equivalent to HP For 3 piping
Below 6.4 RBM-BY53FE
6.4 to below 14.2 RBM-BY103FE
14.2 to below 25.2 RBM-BY203FE
25.2 or more RBM-BY303FE
Below 14.2 RBM-HY1043FE
14.2 to below 25.2 RBM-HY2043FE
Below 14.2 RBM-HY1083FE
14.2 to below 25.2 RBM-HY2083FE
MMY-MAP0802FT8
MMY-MAP1002FT8
MMY-MAP1202FT8
at downstream side
Equivalent to HP
Below 22
Equivalent to HP
Below 12
12
16 to below 22
22 to below 26
26 or more
Equivalent to HP
Below 6.4
6.4 to below 12.2
12.2 to below 20.2
20.2 to below 25.2
25.2 or more
Below 6.4
6.4 or more
007 to 012 type
015 to 018 type
024 to 056 type
072 to 096 type
007 to 012 type
015 to 018 type
024 to 056 type
072 to 096 type
Model name
For 2 piping
RBM-BY53E
RBM-BY103E
RBM-BY203E
RBM-BY303E
RBM-HY1043E
RBM-HY2043E
RBM-HY1083E
RBM-HY2083E
RBM-BT13FE