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5 Installation
A
B
b
a
d
a
c
A
Securing the hanger bracket
B
Securing the washers
a
Washer (accessories)
b
Hanger bracket
c1
Nut (field supply)
c2
Double nut (field supply)
d
Washer fixing plate (accessory)
▪ Suspension bolt pitch for fastening to the wall:
Class
25&35
50&60
(1)
Minimum floor area
To determine the minimum floor area, refer to the table or the graph
below.
1 Depending on the amount of the total refrigerant charge in the
system (m), the minimum floor area is (A
INFORMATION
▪ If the required exact value for the total refrigerant
charge in the system (m) is not listed below, use the
closest higher value.
▪ In case the total refrigerant charge in the system is
>3.9 kg, refer to "To determine the minimum floor
area" in the General safety precaution.
FNA25&35
m (kg)
≤1.842
1.843
1.9
2
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
(1)
Only for units using R32 refrigerant in combination with a user interface BRC1H52*. Refer to the outdoor unit specifications for the type of
refrigerant to be used.
Installation manual
6
A (mm)
740
1140
).
min
FNA50&60
2
A
(m
)
min
No requirements
6.2
5.5
6.4
5.7
6.8
6.0
7.1
6.3
7.4
6.6
7.8
6.9
8.1
7.2
8.4
7.5
8.8
7.8
9.1
8.1
9.5
8.4
9.8
8.7
FNA25&35
m (kg)
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
14
13
12
11
10
9
8
7
6
5
1.8
1.9
2 2.1
2.2 2.3
2.4
2.5
2.6
2.7
1.843
FNA50&60
13
12
11
10
9
8
7
6
5
1.8
1.9
2 2.1
2.2 2.3
2.4
2.5
2.6
2.7
1.843
A
Minimum floor area
min
m
Refrigerant charge amount in the system
Floor-standing installation
a
a
A
B
c
b≥100
A
Maintenance area width
B
Air inlet grille width
a
Air outlet direction
b
Air inlet grille height
c
Air inlet direction
Class
A (mm)
25&35
1350
50&60
1750
FNA50&60
2
A
(m
)
min
10.1
9.0
10.5
9.3
10.8
9.6
11.1
9.9
11.5
10.2
11.8
10.4
12.2
10.7
12.5
11.0
12.8
11.3
13.2
11.6
FNA25&35
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8 3.9
m [kg]
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8 3.9
m [kg]
B (mm)
660
1060
FNA25~60A2VEB(9)
Split system air conditioners
4P456958-1J – 2020.12
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