INVENTOR V7CRI-18WiFiR/U7RS-18 Installationshandbuch Seite 8

NOTE 1 This formula cannot be used for refrigerants lighter than 42 kg/kmol.
NOTE 2 Some examples of the results of the calculations according to the above formula are
given in Tables 1-1 and 1-2.
NOTE 3 For factory sealed appliances, the nameplate on the unit itself marked the refrigerant
charge can be used to calculate A
NOTE 4 For field charged products, calculation of A
charge not to exceed the factory specified maximum refrigerant charge.
The maximun charge in a room and the required minumum floor area to install an
applicance, please refer to the "Owner's Manual & Installation Manual" of the unit.
For specific information on the type of gas and the amount, please refer to the relevant label
on the unit itself
Table.1-1
Refrigerant
LFL(kg/m )
Type
R32
0.306
R290
0.038
Table.1-2
Refrigerant
LFL(kg/m )
Type
R32 0.306
0.038
R290
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Max Refrigerant Charge (kg)
Installation
3
Height H0(m)
0.6
1.0
1.14
1.8
2.05
2.2
2.50
0.05
0.6
0.08
1.0
0.15
1.8
0.18
2.2
Min. Room Area (m )
3 Installation
Height H0(m)
0.6
1.0
1.8
2.2
0.6
1.0
1.8
2.2
.
min
can be based on the installed refrigerant
min
Floor Area (m )
4 7 10
0.68 0.90 1.08
1.51 1.80
2.71 3.24
3.31 3.96
0.07 0.08
0.11 0.13
0.20 0.24
0.24 0.29
2
Charge Amount in kg
Minimum Room Area ( m )
1.224kg 1.836kg 2.448kg
29 51
10 19
3 6
2 4
0.152kg 0.228kg 0.304kg 0.456kg 0.608kg 0.76kg
82 146
30 53
9 16
6 11
2
15 20 30
1.32 1.53 1.87
2.20 2.54 3.12
3.97 4.58 5.61
4.85 5.60 6.86
0.10 0.11 0.14
0.16 0.19 0.23
0.29 0.34 0.41
0.36 0.41 0.51
2
4.896kg 6.12kg
3.672kg
116 206 321
42 74 116
13 23 36
9 15 24
328 584 912
118 210 328
36 65 101
24 43 68
50
2.41
4.02
7.24
8.85
0.18
0.30
0.53
0.65
7.956kg
543
196
60
40
0.988kg
1541
555
171
115