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English
10
Pipe siz
e selection
Piping betw
een refr
iger
ant br
anch kits
.
•
Choose from the f
ollo
wing tab
le in accordance with the total
capacity inde
x of all the indoor units connected belo
w this (par
t D).
•
Do not let the connection piping e
xceed the main refr
iger
ant piping
s
ize.
Piping betw
een refr
iger
ant br
anch kit and indoor unit.
•
Match to the siz
e of the connection piping on the indoor unit
(par
t E).
Caution
Ref
er to the diag
ram belo
w and select the
appropr
iate piping from the tab
les on the r
ight.
Piping betw
een outdoor unit (*2) and refr
iger
ant br
anch kit (par
t A).
•
Choose from the f
ollo
wing tab
le in accordance with the outdoor
unit system capacity type
. (Note1)
Piping betw
een outdoor unit m
ulti connection piping kits (par
t B).
•
Choose from the f
ollo
wing tab
le in accordance with the total
capacity of all the outdoor units connected upstream.
Piping betw
een outdoor unit m
ulti connection piping kit and outdoor
unit (par
t C).
•
Choose from the f
ollo
wing tab
le in accordance with the capacity
type of the outdoor unit connected.
(unit:
mm)
<Single Outdoor Unit System>
<Multiple Outdoor Unit System>
Indoor unit
Indoor unit
Outdoor unit
Outdoor unit
Piping betw
een
refr
iger
ant
br
anching kits
(Section D)
Piping betw
een
refr
iger
ant
br
anching kits
(Section D)
Piping betw
een refr
iger
ant br
anching
kit and indoor unit (Section E)
Piping betw
een refr
iger
ant
br
anching kit and indoor
unit (Section E)
Piping betw
een outdoor unit and
refr
iger
ant br
anching kit (Section A)
Piping betw
een outdoor unit
connection piping kits (Section B)
Piping betw
een outdoor unit
connection piping kit and
outdoor unit (Section C)
Piping betw
een outdoor unit
connection piping kit and
refr
iger
ant br
anching kit (Section A)
Piping size (O.D.)
φ
15.9
φ
19.1
φ
22.2
φ
25.4
φ
28.6
φ
25.4
φ
28.6
φ
41.3
φ
9.5
φ
12.7
φ
15.9
φ
12.7
φ
15.9
φ
19.1
Standard
size
Maximum
size
Standard
size
Maximum
size
Suction gas size
Liquid pipe
Q140
Q180
Q280
Q360
Q460
Q500
Q540
Outdoor capacity
index
Indoor capacity index
Piping size (O.D.)
φ
22.2
φ
25.4
φ
9.5
φ
12.7
Suction gas pipe
Liquid pipe
280
360
Outdoor unit
capacity type
Piping size (O.D.)
φ
15.9
φ
19.1
φ
9.5
Gas pipe
Liquid pipe
Q140
Q180
Outdoor capacity
index
< 11.2 kW
11.2 kW
≤
x< 22.4 kW
22.4 kW
≤
x< 33.0 kW
33.0 kW
≤
x< 37.0 kW
37.0 kW
≤
x< 47.0 kW
47.0 kW
≤
x< 71.0 kW
71.0 kW
≤
φ
15.9
φ
22.2
φ
25.4
φ
28.6
φ
34.9
Standard
size
Maximum
size
Standard
size
Maximum
size
φ
19.1
φ
25.4
φ
28.6
φ
34.9
φ
41.3
φ
9.5
φ
12.7
φ
15.9
φ
19.1
φ
12.7
φ
15.9
φ
19.1
φ
22.2
Suction gas pipe
Indoor
capacity index
Q20
Q25
Q32
Q40
Q50
Q63
Q80
Q100
Q125
Q200
Q250
φ
12.7
φ
15.9
φ
19.1
φ
22.2
φ
15.9
φ
19.1
φ
25.4
φ
28.6
φ
6.4
φ
9.5
φ
9.5
φ
12.7
φ
15.9
Standard
size
Maximum
size
Standard
size
Maximum
size
Suction gas pipe
Liquid pipe
Piping size (O.D.)
Liquid pipe
Piping size (O.D.)
(Unit:mm)
(Unit:mm)
(unit:
mm)
01_EN_3P226891-14T.fm Page 10 Tuesday, September 30, 2014 7:48 PM