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ENGLISH
Allowable length of the refrigerant pipe and the installation examples
H/P
Aɇϑϑѣʀɇϩͱ Single Installation Module installation
Installing only with
Y-joint
Branch joint
Outdoor unit
Indoor unit
Branch joint
Outdoor unit
Indoor unit
Installing with
Y-joint and
distribution header
Branch joint
Distribution header
Outdoor unit
Indoor unit
Outdoor unit
Indoor unit
Distribution header
Branch joint
Installing only with
distribution header
Outdoor unit
Indoor unit
Distribution header
Outdoor unit
Indoor unit
Distribution header
Aɇϑϑѣʀɇϩͱ Example Remarks
Maximum
allowable
length of
pipe
ĮЇϩʒͱͱθЇϩ
Indoor unit
Actual
length
(Equivalent
length)
200m and
below
(220m and
below)
Installing only
with Y-joint
ɇɵʀʒʪ˙˝Χ
200m(220m)
Equivalent
length
Y-joint: 0.5 m,
Distribution
header: 1 m
Installing with
Y-joint and
distribution
header
ɇɵ˵ߤߢߢ࣑ߤߤߢ࣒ࡥ
ɇߤߢߢ࣑ߤߤߢ࣒
Installing only
with distribution
header
ɇߤߢߢ࣑ߤߤߢ࣒
Total
length of
pipe (m)
1,000 m or
less
Installing only
with Y-joint
a+b+c+d+e+f+g+h+i+
Χߣߢߢߢ
-
Installing with
Y-joint and
distribution
header
a+b+c+d+e+f+g+h+i+j+k
ߣߢߢߢ
-
Installing only
with distribution
header
a+b+c+d+e+f+g+h+i
ߣߢߢߢ
-
Outdoor unit
ĮЇϩʒͱͱθ
unit (Module
installation)
Pipe length
10 m or less
уߣߢࡥцߣߢࡥіߣߢ
Equivalent
length
13 m or less
уߣߥࡥцߣߥࡥіߣߥ
Maximum
allowable
height
difference
of pipe
ĮЇϩʒͱͱθЇϩ
Indoor unit
110/110m
Note 2)
²ߣߣߣߢࢩߣߣߢ
ÃʒͱͱθЇϩ
Indoor unit
50m or less ²ߤߧߢ
9Їϩࡥи˵ʪđĘůUk²ࢩđâĘǤϑϑϩɇʪʒࡥ²ߤϑߣߧͱθʪϑϑ