Toshiba MMY-MAP0726FT6P-UL Installation Manual 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
Ø1-3/8" 34.92 0.05 1.20
Ø1-5/8" 41.28 0.06 1.40
23-EN
1122001001-2_EN-FR.indb 12 1122001001-2_EN-FR.indb 12
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
(c)
A B
Header Follower
Height
unit unit
difference
between
outdoor units
H3
(b)
(a)
Lb
La
LA
Outdoor unit
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
L9
d
Flow
Selector
unit i
Indoor unit
L12
L10
Single port type Flow Selector unit
(Long piping model)
L13
u
H6
– 12 –
C
Follower unit
LO
Lc
Branching header
L2
L14
Y s - h a p e d b a r n c h n i g i o j t n
b c
k l
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
e
m n
o
(m)
(n)
j
H4
Multi port type Flow Selector unit
Indoor unit connecting pipe
L11 Y-shaped branching joint
r
p q s
v
Indoor unit
H5
(o)
EN
t
FR
24-EN
2/18/17 11:44 AM 2/18/17 11:44 AM