29
English
Installation Procedure
H/R
Classification Installation with Y-joint
Installing with
MCU only
MCUMCU
H1
H3
H2
jih
f
b
a
g
Installing with
MCU and Y-joint
r
m
l
MCU
MCU
H4
n
h
op q
k
j
i
g
fed
c
ba
H2
H1
H3
MCU
Direct-connected indoor unit without MCU (Cooling only)
(Connecting Only Low Pressure Gas Pipe / Liquid Pipe note3)
Classification Example Remarks
Maximum
allowable pipe
length
ĮЇϩʒͱͱθЇϩ
Indoor unit
Actual pipe
length
(Equivalent
length)
200 m or less
(220 m or
less)/656'(722')
Installing only with
MCU
ɇ˝ߤߢߢ࣑ߤߤߢ࣒ࢩߨߧߨ࣑ߩߤߤ࣒
Equivalent length
Y-joint: 0.5 m(1.64')
Distribution header: 1
m(3.28') MCU: 1 m(3.28')
Installing with MCU and
Y-joint
ɇɵ˵ߤߢߢ࣑ߤߤߢ࣒ࢩߨߧߨ࣑ߩߤߤ࣒
Total length of
pipe
1000 m (3281')
or less
Installing only with
MCU
ɇɵʀʒʪ˙˝˵ߣߢߢߢ࣑ߥߤߪߣ࣒
Installing with MCU and
Y-joint
ɇɵʀθߣߢߢߢ࣑ߥߤߪߣ࣒
Outdoor unit Pipe length 10 m(33') or less уߣߢ࣑ߥߥ࣒ࡥцߣߢ࣑ߥߥ࣒ࡥіߣߢ࣑ߥߥ࣒
x
z
y
ĮЇϩʒͱͱθ
unit (Module
installation)
Equivalent
length
13 m(43') or less уߣߥ࣑ߦߥ࣒ࡥцߣߥ࣑ߦߥ࣒ࡥіߣߥ࣑ߦߥ࣒
đAƸ
Indoor unit
Pipe length 45 m(148') or less
Installing only with
MCU
ɵʀߦߧ࣑ߣߦߪ࣒ࡥɵʒߦߧ࣑ߣߦߪ࣒ࡥ
ɵʪߦߧ࣑ߣߦߪ࣒ࡥ˙ߦߧ࣑ߣߦߪ࣒ࡥ˝˵
ߦߧ࣑ߣߦߪ࣒ࡥ˝ߦߧ࣑ߣߦߪ࣒ࡥ˝
45 m(148')
Installing with MCU and
Y-joint
c+d, c+e, c+f, g, h+i, h+j, h+k, n, o, p,
αࡥθߦߧ࣑ߣߦߪ࣒
Maximum
allowable
height
difference
ĮЇϩʒͱͱθЇϩ
Indoor unit
Pipe length
110 m / 110
m(361'/361')
Note 1)
²ߣߣߣߢࢩߣߣߢ࣑ߥߨߣࢩߥߨߣ࣒
ÃʒͱͱθЇϩ
Indoor unit
40 m(131') or less ²ߤߦߢ࣑ߣߥߣ࣒
But, when AM****NQD* / AM****NVD* is installed, H2 is 15 m(49') or less.
ÃʒͱͱθЇϩ
Indoor unit (in
one MCU)
15 m(49') or less
²ߥߣߧ࣑ߦ࣒߫
đAƸđAƸ 30 m(98') or less ²ߦߥߢ࣑߫ߪ࣒
Maximum
allowable
length after
branch joint
First branch
ͱϩɇθϩ˵ʪϑϩ
Indoor unit
Pipe length
45 m(148') or less
Installing only with
MCU
˝ߦߧ࣑ߣߦߪ࣒
Installing with MCU and
Y-joint
ɵ˵ߦߧ࣑ߣߦߪ࣒αߦߧ
࣑ߣߦߪ࣒θߦߧ࣑ߣߦߪ࣒
ߦߧ߫ߢ
࣑ߣߦߪߤ߫ߧ࣒
Note 2)
Required conditions must be satisfied
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