Toshiba Carrier MMY-MAP1446FT9P-UL Instrukcja instalacji - Strona 13
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CAUTION
Please use the appropriate pipe when the pipe size is Ø3/4 or more. (Table 3)
Minimum
Outer diameter
wall thickness
Inch
mm
Inch
mm
Ø1/4"
6.35
0.03
0.80
Ø3/8"
9.52
0.03
0.80
Ø1/2"
12.7
0.04
1.00
Ø5/8"
15.88
0.04
1.00
Ø3/4"
19.05
0.04
1.00
Ø7/8"
22.2
0.04
1.00
Ø1-1/8"
28.58
0.04
1.00
Ø1-3/8"
34.92
0.05
1.20
Ø1-5/8"
41.28
0.06
1.40
23-EN
Temper
Soft
Hard, Half hard
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
■ Allowable length of refrigerant pipes and allowable height
difference between units
Outdoor unit
A
B
Header
Follower
Height
unit
unit
difference
between
outdoor units
(a)
(b)
La
Lb
LA
Outdoor unit
connection
Indoor unit connecting pipe
F
r i
t s
b
a r
n
c
h
n i
g
L3
f
Height
difference
between
outdoor and
indoor units:
H1
L4
Flow
Selector
unit
i
L9
Indoor unit connecting pipe
– 12 –
C
Follower unit
(c)
LO
Lc
Branching header
L2
Branching pipe
Y
s -
h
a
p
e
d
b
a r
n
c
h
a
b
c
k
g
h
Indoor unit
L
The longest piping length:
Li
The longest piping length from the first branch:
The longest piping length in Flow selector unit group :
L6
L7
L8
L5
d
e
m
n
(m)
(n)
j
H4
Indoor unit
Flow Selector unit (Multi port type)
s
Y-shaped branching joint
p
r
q
t
Indoor unit
n i
g
i o j
t n
l
Ln
o
(o)
EN
u
FR
24-EN