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Installation
Installer reference guide
26
FNA25~60A2VEB(9)
Split system air conditioners
4P550955-3C – 2020.12
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:
A
618
500
Class
A (mm)
25&35
740
50&60
1140
Minimum floor area
(1)
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
min
).
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
FNA50&60
m (kg)
A
min
(m
2
)
≤1.842
No requirements
1.843
6.2
5.5
1.9
6.4
5.7
2
6.8
6.0
2.1
7.1
6.3
2.2
7.4
6.6
2.3
7.8
6.9
2.4
8.1
7.2
2.5
8.4
7.5
2.6
8.8
7.8
2.7
9.1
8.1
2.8
9.5
8.4
(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.