Toshiba R410 Manuel D'installation page 13

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
23-EN
1122001201_EN FR.indd 12 1122001201_EN FR.indd 12
Temper
Soft Hard, Half hard
OK OK
OK OK
OK OK
OK OK
OK OK
NG OK
NG OK
NG OK
■ Allowable length of refrigerant pipes and allowable height
difference between units
Outdoor unit
(b)
A
Header unit
Height difference
between outdoor
H3
units:
(a)
Outdoor unit
La
connection
piping kit
Branching pipe
Indoor unit connecting pipe
F r i t s b a r n c h n i g
a
L3
f
Indoor unit
Height
difference
between
outdoor and
indoor units:
H1
L4 L5
Flow
Selector
i
Indoor unit
L9
Indoor unit connecting pipe
p
Indoor unit
– 12 –
B
Follower unit
Lb
Branching header
L2
L11
Y s - h a p e d b a r n c h n i g i o j t n
b c
k
g
h
L
The longest piping length:
Li
The longest piping length from the first branch:
Ln
The longest piping length in Flow selector unit group :
L6 L7
L8
d
e
m n
o
(m)
(n)
j
H4
Flow Selector unit (Multi port type)
L10
Y-shaped branching joint
r
q s
t
l
(o)
EN
FR
24-EN
9/2/16 1:30 PM 9/2/16 1:30 PM