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(1)
Outdoor unit
↓
Outdoor unit
connection piping
kit
Outdoor unit
connecting pipe
Connecting pipe size of outdoor unit
Type Gas side Liquid side
MMY-MAP0806* Ø19.1 Ø12.7
MMY-MAP1006* Ø22.2 Ø12.7
MMY-MAP1206* Ø28.6 Ø12.7
MMY-MAP1406* Ø28.6 Ø15.9
MMY-MAP1606* Ø28.6 Ø15.9
MMY-MAP1806* Ø28.6 Ø15.9
MMY-MAP2006* Ø28.6 Ø15.9
MMY-MAP2206* Ø28.6 Ø19.1
Same as connecting
pipe size of the
o
(
MMY-MAP14B6* use table
MMY-MAP1206*)
(MMY-MAP18B6* use table
MMY-MAP1606*)
utdoor unit.
(2)
Between Outdoor
unit connection
piping kits
Main connecting
piping between
outdoor units
Piping size for connecting piping between outdoor units
Total capacity codes of the total
outdoor units at the downstream
side
Gas
side
Liquid
side
Balance
pipe
Equivalent
to HP
Equivalent
to capacity
16 to below 22 45.0 to below 61.5 Ø28.6 Ø15.9
Ø9.5
22 to below 24 61.5 to below 67.0 Ø28.6 Ø19.1
24 to below 26 67.0 to below 73.0 Ø34.9 Ø19.1
26 to below 36 73.0 to below 100.0 Ø34.9 Ø19.1
36 or more 100.0 or more Ø41.3 Ø22.2
Pipe size differs
based on the total
capacity code value
of o
utdoor unit at the
downstream side.
Refrigerant piping (Continued)
<Cooling, Heat pump type >
No. Piping parts Name Selection of pipe size Remarks
(1)
Outdoor unit
↓
Outdoor unit
connection piping
kit
Outdoor unit
connecting pipe
Connecting pipe size of outdoor unit
Type Gas side Liquid side
MMY-MAP0806* Ø19.1 Ø12.7
MMY-MAP1006* Ø22.2 Ø12.7
MMY-MAP1206* Ø28.6 Ø12.7
MMY-MAP1406* Ø28.6 Ø15.9
MMY-MAP1606* Ø28.6 Ø15.9
MMY-MAP1806* Ø28.6 Ø15.9
Same as connecting pipe
size of the outdoor unit.
(2)
Between Outdoor
unit connection
piping kits
Main connecting
piping between
outdoor units
Piping size for connecting piping between outdoor units
Total capacity codes of
the total outdoor units at
the downstream side
Gas sid e Liquid side
Equivalent to HP
Equivalent to
capacity
24 to below 32 68.0 to below 91.0 Ø34.9 Ø19.1
Pipe size differ based
on the total capacity
code value of outdoor
unit at the downstream
side.
↓
Pipe size differs
(3)
Outdoor unit
connection piping
kit of header unit
First branching
section
Main piping
Size of main piping
Total capacity codes of
all outdoor units
Gas side
Liquid
side
Equivalent to HP
Equivalent to
capacity
8 to below 10 22.4 to below 28.0 Ø19.1 Ø12.7
10 to below 12 28.0 to below 33.5 Ø22.2 Ø12.7
12 to below 14 33.5 to below 38.4 Ø28.6 Ø12.7
14 to below 22 38.4 to below 61.5 Ø28.6 Ø15.9
22 to below 24 61.5 to below 67.0 Ø28.6 Ø19.1
24 to below 26 67.0 to below 73.0 Ø34.9 Ø19.1
26 to below 36 73.0 to below 100.0 Ø34.9 Ø19.1
36 or more 1
00.0 or more Ø41.3 Ø22.2
based on all capacity
code value of
outdoor unit.
For HT7P-K
model only
For HT7P-K
model only
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