Daikin CVXM20A3V1B Installation Manual page 5
Split system air conditioners
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Also See for CVXM20A3V1B:
- Installer's reference manual (60 pages) ,
- User reference manual (64 pages) ,
- Operation manual (20 pages)
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WARNING
▪ CVXM-A and FVXM-A Floor Standing range is allowed
to be combined ONLY with systems with total
refrigerant amount ≤1.842 kg. Therefore in case of
combination with outdoor units 3MXM40 or 3MXM52,
the total liquid refrigerant piping length of the
installation MUST be ≤30 m.
▪ For CVXM-A9 and FVXM-A9 refer to
area" [ 4 5].
minimum floor
▪ Spacing. Mind the following requirements:
A
≥50
A
Front view
B
Side view
▪ Do not install the unit more than 60 mm above the floor.
▪ Wall insulation. When conditions in the wall exceed 30°C and a
relative humidity of 80%, or when fresh air is inducted into the
wall, then additional insulation is required (minimum 10 mm
thickness, polyethylene foam).
▪ Wall or floor strength. Check whether the wall or the floor is
strong enough to support the weight of the unit. If there is a risk,
reinforce the wall or the floor before installing the unit.
To determine the minimum floor area
▪ The system using R32 refrigerant is restricted with respect to the
total refrigerant charge and/or the floor area that is served.
▪ To determine the total refrigerant charge (m) in the system see
the Installation manual of the outdoor unit.
Note: It is not allowed to install an indoor unit in a room with area
<A
(m²).
min
▪ Depending on the total refrigerant charge (m), the minimum floor
area is (A
).
min
INFORMATION
▪ Use following table and graph for CVXM-A9 and
FVXM-A9.
▪ If the required exact value for the total refrigerant
charge in the system (m) is not listed below, use the
closest higher value.
The total refrigerant charge (m), the minimum floor area is (A
limitation depends also on room height (H) and if the unit is installed
ABOVE or UNDER ground level.
If indoor unit is installed in room ABOVE ground level
m (kg)
H=2.2 m
≤1.842
1.843
3.64
1.9
3.75
2.0
3.95
2.1
4.15
2.2
4.34
CVXM-A, FVXM-A, CVXM-A9, FVXM-A9, FVXTM-A
Split system air conditioners
3P477070-2P – 2022.09
"To determine the
B
(65)
≥50
(mm)
min
2
A
(m
)
min
H=2.0 m
H=1.8 m
No limitations
4.00
4.45
4.13
4.58
4.34
4.83
4.56
5.07
4.78
5.31
m (kg)
H=2.2 m
2.3
4.54
2.4
4.74
2.5
4.94
2.6
5.13
2.7
5.33
2.8
5.53
2.9
5.73
3.0
5.92
3.1
6.12
3.2
6.32
3.3
6.51
8,00
7,50
7,00
6,50
6,00
5,50
5,00
4,50
4,00
3,50
3,00
1,843 1,9
2,0
2,1
2,2
A
Minimum floor area
min
m
Total refrigerant charge in the system
H
Height of the room
If indoor unit is installed in room UNDER ground level
m (kg)
H=2.2 m
≤1.842
1.843
5.46
1.9
5.63
2.0
5.92
2.1
6.22
2.2
6.51
2.3
6.81
2.4
7.11
2.5
7.40
2.6
7.70
2.7
8.00
2.8
8.29
2.9
8.59
3.0
8.88
3.1
9.18
3.2
9.48
3.3
9.77
12,00
)
11,00
10,00
9,00
8,00
7,00
6,00
5,00
1,843 1,9
2,0
2,1
2,2
A
Minimum floor area
min
m
Total refrigerant charge in the system
H
Ceiling height of the room
Example: If the indoor unit is installed in room with ceiling height
2 m, located above ground level and the total refrigerant change of
the connected system is 2.3 kg, than minimum floor area is 4.99 m
5 Unit installation
2
A
(m
)
min
H=2.0 m
H=1.8 m
4.99
5.55
5.21
5.79
5.43
6.03
5.65
6.27
5.86
6.51
6.08
6.76
6.30
7.00
6.51
7.24
6.73
7.48
6.95
7.72
7.17
7.96
2,3
2,4
2,5
2,6
2,7
2,8
2,9
3,0
3,1
m [kg]
2
A
(m
)
min
H=2.0 m
H=1.8 m
No limitations
6.00
6.67
6.19
6.88
6.51
7.24
6.84
7.60
7.17
7.96
7.49
8.32
7.82
8.69
8.14
9.05
8.47
9.41
8.79
9.77
9.12
10.13
9.45
10.50
9.77
10.86
10.10
11.22
10.42
11.58
10.75
11.94
2,3
2,4
2,5
2,6
2,7
2,8
2,9
3,0
3,1
m [kg]
Installation manual
3,2
3,3
3,2
3,3
2
.
5
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