Toshiba MMY-MAP0501T8 Installations-Handbuch Seite 16

5
REFRIGERANT PIPING
No. Piping parts

Outdoor unit
↓
T-shape
branching joint
‚
Between T-shape
branching joints
‡
ƒ
T-shape joint of
header unit
↓
1st branching
section
„
Branching section
↓
Branching section
…
Branching section
↓
Indoor unit
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Name
Outdoor unit 1) Connecting pipe outdoor unit
connecting pipe
MMY-MAP0501H
MMY-MAP0601H
MMY-MAP0801H
MMY-MAP1001H
MMY-MAP1201H
Main connecting 2) Pipe size for connecting piping between outdoor units
piping between of
Total capacity codes of outdoor
outdoor units
units at downstream side
Equivalent
to capacity
Below 38.4
38.4 to below 61.5
61.5 to below 73.0
Balance pipe
73.0 to below 96.0
Above 101.0
Main piping 3) Size of main piping
Total capacity codes of all outdoor units
Equivalent
to capacity
Below 16.0
16.0 to below 22.4
22.4 to below 33.5
33.5 to below 38.4
38.4 to below 61.5
61.5 to below 73.0
73.0 to below 101.0
101.0 to below 118.0
Above 118.0
∗ Max. equivalent length of main pipe is below 70m.
Branching pipe 4) Pipe size between branching sections
Total capacity codes of indoor units
7.5 to below 18.0
18.0 to below 34.0
34.0 to below 56.5
∗ 56.5 to below 70.5
1
70.5 to below 98.5
98.5 to below 118.5
Above 118.5
∗1: If exceeding the main pipe size, decide the size same to
main pipe size.
Indoor unit 5) Connecting pipe size of indoor unit
connecting pipe
007 to 012 type (15m or less)
007 to 012 type (15m or more)
015 to 018 type
024 to 048 type
056 type
072 type
096 type
manuals search engine
Selection of pipe size
Model Gas side
Ø15.9
Ø19.1
Ø22.2
Ø22.2
Ø28.6
Gas
side
Equivalent
to HP
Below 14 Ø28.6
14 to below 22 Ø28.6
22 to below 26 Ø34.9
26 to below 36 Ø34.9
Above 36 Ø41.3
Gas side
Equivalent
to HP
Below 6
6 to below 8
8 to below 12
12 to below 14
14 to below 22
22 to below 26
26 to below 36
36 to below 46
Above 46
at downstream side
Equivalent Equivalent
to capacity to HP
Below 7.5 Below 2.8
2.8 to below 6.4
6.4 to below 12.2
12.2 to below 20.2
20.2 to below 25.2
25.2 to below 35.2
35.2 to below 42.2
Above 42.2
Capacity rank Gas side
Ø9.5
Ø12.7
Ø12.7
Ø15.9
Ø15.9
Ø19.1
Ø22.2
13
Remarks
Same to connecting pipe
size of outdoor unit
Liquid side
Ø9.5
Ø9.5
Ø12.7
Ø12.7
Ø12.7
Pipe size differs based on
total capacity code value of
‡
outdoor units at
Liquid
Balance downstream side.
side
pipe
(See Table 2.)
Ø12.7
Ø15.9
Ø15.9 Ø9.5
Ø19.1
Ø22.2
Pipe size differs based on
capacity code of outdoor
unit.
Liquid side (See Table 2.)
Ø15.9 Ø9.5
Ø19.1 Ø9.5
Ø22.2 Ø12.7
Ø28.6 Ø12.7
Ø28.6 Ø15.9
Ø34.9 Ø15.9
Ø34.9 Ø19.1
Ø41.3 Ø22.2
Ø41.3∗ Ø22.2
Pipe size differs based on
total capacity code value of
indoor units at downstream
Gas side Liquid side side.
If the total value exceeds
the capacity code of the
Ø12.7 Ø9.5
outdoor unit, apply capacity
code of the outdoor unit.
Ø15.9 Ø9.5
(See Table 1.2.)
Ø22.2 Ø12.7
Ø28.6 Ø15.9
Ø34.9 Ø15.9
Ø34.9 Ø19.1
Ø41.3 Ø22.2
Ø41.3 Ø22.2
Liquid side
Ø6.4
Ø6.4
Ø6.4
Ø9.5
Ø9.5
Ø12.7
Ø12.7