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[4] [Shut-off valve unit installation]
For Shut-off Valve unit installation, see Installation Manual included in Shut-off Valve unit. The position where Shut-
off Valve unit can be installed differs depending on the indoor unit, the setting of safety measures (pump down or
individual shut-off), etc.
The installation position shall be determined according to the following.
When Shut-off Valve unit is installed in area that is occupied space, please contact your main dealer.
If a Shut-off Valve unit is to be used as a safety measure, a Battery kit must be installed. For details, refer to the
installation manual of Shut-off Valve unit.
Recovery by pump down (Set up the indoor DN CODE No. [107] to 1)
The allowable installation position differs depending on the length of the total connecting pipe.
◆ The total connection pipe length on the downstream side of Shut-off Valve unit is 10m.
10
Installation
not permitted
8
6
4
2
0
5
20
35
Minimum floor area A
Ceiling mounted type (include Duct type)
◆ The connection pipe length on the downstream side of the Shut-off Valve is 50m.
10
Installation
not permitted
8
6
4
2
0
5
20
35
Minimum floor area A
Ceiling mounted type (include Duct type)
◆ The connection pipe length on the downstream side of the Shut-off Valve is 100m.
10
Installation
not permitted
8
6
4
2
0
5
20
35
Minimum floor area A
Ceiling mounted type (include Duct type)
Installatin permitted
50
65
80
95
2
[m
]
min
n I
t s
l l a
t a
o i
n
p
r e
m
t i
e t
d
50
65
80
95
[m
2
]
min
Installation permitted
50
65
80
95
2
[m
]
min
10
8
6
4
2
0
110
5
20
10
8
6
4
2
0
110
5
20
10
8
6
4
2
0
5
20
110
120
Installation
not permitted
Installation permitted
35
50
65
80
2
Minimum floor area A
[m
]
min
Wall mount and under ceiling type
Installation
not permitted
n I
t s
l a
t a l
o i
n
p
r e
m
35
50
65
80
Minimum floor area A
[m
2
min
Wall mount and under ceiling type
Installation
not permitted
Installation permitted
35
50
65
80
2
Minimum floor area A
[m
]
min
Wall mount and under ceiling type
95
110
t i
e t
d
95
110
]
95
110
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