Toshiba MMY-MAP0806HT8P-E Installation Manual page 65

No. Piping parts Name
Connecting pipe size of outdoor unit
MMY-MAP0806*
Outdoor unit
MMY-MAP1006*
Ô
Outdoor unit
MMY-MAP1206*
(1) Outdoor unit
connecting pipe MMY-MAP1406*
connection piping
MMY-MAP1606*
kit
MMY-MAP1806*
MMY-MAP2006*
MMY-MAP2206*
Piping size for connecting piping between outdoor units
Total capacity codes of the total
outdoor units at the downstream
Equivalent
Between Outdoor Main connecting
(2)
unit connection piping between
16 to below 22
piping kits outdoor units
22 to below 24
24 to below 26
26 to below 36
36 or more
Size of main piping
Equivalent to HP
Outdoor unit
8 to below 10
connection piping
kit of header unit 10 to below 12
(3) Main piping
Ô
12 to below 14
First branching
14 to below 22
section
22 to below 24
24 to below 26
26 to below 36
36 or more
Pipe size between branching sections
indoor units at downstream side
Equivalent to HP
Branching section
2.4 to below 6.4
(4)
Ô Branching pipe
6.4 to below 12.2
Branching section
12.2 to below 20.2
20.2 to below 22.4
22.4 to below 25.2
25.2 to below 35.2
35.2 or more
127-EN
1117101201-3 EN.indd 64 1117101201-3 EN.indd 64
Selection of pipe size
Type Gas side Liquid side
Ø19.1 Ø12.7
Ø22.2 Ø12.7
Same as connecting
Ø28.6 Ø12.7
pipe size of the
Ø28.6 Ø15.9
outdoor unit.
Ø28.6 Ø15.9
Ø28.6 Ø15.9
Ø28.6 Ø15.9
Ø28.6 Ø19.1
Gas Liquid Balance
side
side side pipe
Pipe size differ
Equivalent
based on the total
to HP to capacity
capacity code value
45.0 to below 61.5 Ø28.6 Ø15.9
of outdoor unit at the
61.5 to below 67.0 Ø28.6 Ø19.1
downstream side.
67.0 to below 73.0 Ø34.9 Ø19.1 Ø9.5
73.0 to below 100.0 Ø34.9 Ø19.1
100.0 or more Ø41.3 Ø22.2
Total capacity codes of
all outdoor units
Liquid
Gas side
side
Equivalent to
capacity
22.4 to below 28.0 Ø19.1 Ø12.7
Pipe size differ
28.0 to below 33.5 Ø22.2 Ø12.7 based on all capacity
code value of
33.5 to below 38.4 Ø28.6 Ø12.7
outdoor unit.
38.4 to below 61.5 Ø28.6 Ø15.9
61.5 to below 67.0 Ø28.6 Ø19.1
67.0 to below 73.0 Ø34.9 Ø19.1
73.0 to below 100.0 Ø34.9 Ø19.1
100.0 or more Ø41.3 Ø22.2
Total capacity codes of
Pipe size differs
Liquid
based on the total
Gas side
side
Equivalent to
capacity code value
capacity
of indoor units at the
below 2.4 below 6.6 Ø12.7 Ø9.5 downstream side.
If the total capacity
6.6 to below 18.0 Ø15.9 Ø9.5
code value of indoor
18.0 to below 34.0 Ø22.2 Ø12.7
units exceeds that
34.0 to below 56.5 Ø28.6 Ø15.9
of the outdoor units,
56.5 to below 62.5 Ø28.6 Ø19.1
apply the capacity
62.5 to below 70.5 Ø34.9 Ø19.1
code of the outdoor
70.5 to below 98.5 Ø34.9 Ø19.1 units.
98.5 or more Ø41.3 Ø22.2
Remarks No. Piping parts
Branching section
(5)
Ô
connecting pipe
Indoor unit
(6) Branching section
branching joint
(7) Branching section Branching header
connection piping
(8) Branching section
kit (For linking of
outdoor units)
– 64 –
Name Selection of pipe size
Connecting pipe size of indoor unit
Capacity rank
15m or less real length
Indoor unit
005 to 012 type
Real length exceeds 15m
015 to 018 type
024 to 056 type
072 to 096 type
Selection of branching section (Y-shaped branching joint)
Total capacity code of indoor units
Equivalent to HP
Y-shaped
Below 6.4
6.4 to below 14.2 18.0 to below 40.0
Y-shape
branching joint
14.2 to below 25.2 40.0 to below 70.5
25.2 or more
Selection of branching section (Branching header)
Total capacity code of indoor units
Equivalent to HP
Below 14.2
For 4
branches
14.2 to below 25.2
*2
Branching header
Below 14.2
For 8
branches
14.2 to below 25.2
*2: Up to a total of 6.0 maximum equivalent to HP capacity codes is connectable to one line
after branching of header. When the total capacity codes of all outdoor units are 12 to
below 26 (equivalent to HP) and you use a branching header for the first branching
section, use a RBM-HY2043E or RBM-HY2083E regardless of the total capacity codes
of outdoor units at downstream side. In addition, you cannot use a branching header for
the first branching section when the total capacity codes of all outdoor units are over
26 (equivalent to HP).
Outdoor unit connection piping kit (For linking of outdoor units)
Total capacity code of outdoor units
Equivalent to HP
Outdoor unit
Outdoor unit
Below 26.0
connection piping kit
(For linking of outdoor
26.0 or more
units)
*3: Downstream side when regarding the main piping as the start point
Remarks
Liquid
Gas side
side
Ø9.5 Ø6.4
Ø12.7 Ø6.4
Ø12.7 Ø6.4
Ø15.9 Ø9.5
Ø22.2 Ø12.7
Model name
Equivalent to
capacity
Below 18.0 RBM-BY55E
RBM-BY105E
RBM-BY205E
70.5 or more RBM-BY305E
Model name
Equivalent to
capacity
Below 40.0 RBM-HY1043E
40.0 to below 70.5 RBM-HY2043E
Below 40.0 RBM-HY1083E
40.0 to below 70.5 RBM-HY2083E
*3
Model name
Equivalent to
capacity
Below 73.0 RBM-BT14E
Above 73.0 RBM-BT24E
128-EN
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