Johnson JCMV2 Manual De Instrucciones página 251

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
installed refrigerant charge not to exceed the factory specified maximum
refrigerant charge.
The maximum charge in a room and the required minumum floor area to install
an appliance, 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
0.306
R32
0.038
R290
Max Refrigerant Charge (kg)
Installation
3
Height H0(m)
4
0.6
0.68
1.0
1.14
1.8
2.05
2.50
2.2
0.05
0.6
0.08
1.0
0.15
1.8
0.18
2.2
Min. Room Area (m )
Installation
3
Height H0(m)
1.224kg 1.836kg
0.6
1.0
1.8
2.2
0.152kg 0.228kg 0.304kg 0.456kg 0.608kg 0.76kg 0.988kg
0.6
1.0
1.8
2.2
min
Floor Area (m )
7 10 15
0.90 1.08 1.32
1.51 1.80 2.20
2.71 3.24 3.97
3.31 3.96 4.85
0.07 0.08 0.10
0.11 0.13 0.16
0.20 0.24 0.29
0.24 0.29 0.36
2
Charge Amount in kg
Minimum Room Area ( m
2.448kg
3.672kg
29
51 116
10
19 42
3
6 13
2
4 9
82
146 328
30
53 118
9
16 36
11 24
6
.
min
can be based on the
2
20 30 50
1.53 1.87 2.41
2.54 3.12 4.02
7.24
4.58 5.61
5.60 6.86 8.85
0.11 0.14 0.18
0.19 0.23 0.30
0.34 0.41 0.53
0.41 0.51 0.65
2
)
6.12kg
4.896kg 7.956kg
206 321 543
74 116 196
23 36 60
15 24 40
584 912 1541
210 328 555
65 101 171
43 68 115
V.3