Ferroli OMNIA S 3.2 Manuel D'installation, D'utilisation Et D'entretien page 73
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OMNIA S 3.2
The flow chart uses the following tables:
Tabella. 2 - Maximum refrigerant charge allowed in a room
A [m2]
0,5
1
1,5
mmax [kg]
0,21
0,41
0,62
NOTE
For wall mounted models, the value of "Installation height (H)" is considered 1800 mm to comply to IEC 60335-2-40:2018 Clause GG2.
For intermediate Aroom values(i.e. when A
table. If A
=3,6 m
, consider the value that corresponds to "A
2
room
Tabella. 3 - Minimum floor area
mc [kg]
1,9
2
2,1
A
[m
]
4,58
4,83
5,07
2
mintotal
NOTE
For wall mounted models, the value of "Installation height (H)" is considered 1800 mm to comply to IEC 60335-2-40:2018 Clause GG2.
For intermediate mc values (i.e. when mc is between two values from the table), consider the value that corresponds to the higher mc value from the table. If
m
=1,97kg , consider the value that corresponds to "m
c
rements.
Tabella. 4 - Minimum venting opening area for natural ventilation
Subtable m
= 1,9 kg
c
A
[m
] m
[kg] dm=m
-m
[kg] VA
2
roomA
max
c
max
min
0,5
0,21
1,69
1
0,41
1,49
1,5
0,62
1,28
2
0,83
1,07
2,5
1,04
0,86
3
1,24
0,66
3,5
1,45
0,45
4
1,66
0,24
4,5
1,87
0,03
Subtable m
= 2,3 kg
c
A
[m
] m
[kg] dm=m
-m
[kg] VA
2
roomA
max
c
max
min
0,5
0,21
2,09
1
0,41
1,89
1,5
0,62
1,68
2
0,83
1,47
2,5
1,04
1,26
3
1,24
1,06
3,5
1,45
0,85
4
1,66
0,64
4,5
1,87
0,43
5
2,07
0,23
5,5
2,28
0,02
NOTE
For wall mounted models, the value of "Installation height (H)" is considered 1800 mm to comply to IEC 60335-2-40:2018 Clause GG2.
Based on the value of m
(total refrigerant change of the system) use the subtable with the higher value, for instance if m
c
CAUTION
Frequency of Refrigerant Leakage Checks
For unit that contains fluorinated greenhouse gases in quantities of 5 tonnes of CO
equivalent,at least every 12 months, or where a leakage detection system is installed, at least every 24 months.
For unit that contains fluorinated greenhouse gases in quantities of 50 tonnes of CO
equivalentat least every six months, or where a leakage detection system is installed, at least every 12 months.
For unit that contains fluorinated greenhouse gases in quantities of 500 tonnes of CO
where a leakage detection system is installed,at least every six months.
Only certificated person is allowed to do installation, operation and maintenance.
2
2,5
3
3,5
4
0,83
1,04
1,24
1,45
1,66
is between two values from the table), consider the value that corresponds to the lower A
room
room
2,2
2,3
2,4
2,5
5,31
5,55
5,79
6,03
=2kg". Systems with total refrigerant charge lower than 1.84kg are not subjected to any room requi-
c
Subtable m
= 2,0 kg
c
[cm
] A
[m
] m
[kg] dm=m
-m
[kg]
2
2
roomA
max
c
max
395
0,5
0,21
1,79
347
1
0,41
1,59
299
1,5
0,62
1,38
250
2
0,83
1,17
202
2,5
1,04
0,96
153
3
1,24
0,76
105
3,5
1,45
0,55
57
4
1,66
0,34
8
4,5
1,87
0,13
Subtable m
= 2,4 kg
c
[cm
] A
[m
] m
[kg] dm=m
-m
[kg]
2
2
roomA
max
c
max
489
0,5
0,21
2,19
440
1
0,41
1,99
392
1,5
0,62
1,78
344
2
0,83
1,57
295
2,5
1,04
1,36
247
3
1,24
1,16
198
3,5
1,45
0,95
150
4
1,66
0,74
102
4,5
1,87
0,53
53
5
2,07
0,33
5
5,5
2,28
0,12
Cod. 3541V941 - Rev. 00 - 09/2021
4,5
5
5,5
6
6,5
1,87
2,07
2,28
2,49
2,62
=3,5 m
".
2
Subtable m
= 2,1 kg
c
VA
A
[m
] m
[kg] dm=m
-m
2
min
[cm
]
2
roomA
max
c
419
0,5
0,21
1,89
370
1
0,41
1,69
322
1,5
0,62
1,48
274
2
0,83
1,27
225
2,5
1,04
1,06
177
3
1,24
0,86
128
3,5
1,45
0,65
80
4
1,66
0,44
32
4,5
1,87
0,23
5
2,07
0,03
Subtable m
= 2,5 kg
c
VA
A
[m
] m
[kg] dm=m
-m
2
min
[cm
]
2
roomA
max
c
512
0,5
0,21
2,29
464
1
0,41
2,09
415
1,5
0,62
1,88
367
2
0,83
1,67
319
2,5
1,04
1,46
270
3
1,24
1,26
222
3,5
1,45
1,05
173
4
1,66
0,84
125
4,5
1,87
0,63
77
5
2,07
0,43
28
5,5
2,28
0,22
6
2,49
0,01
equivalent or more,but of less than 50 tonnes of CO
2
equivalent or more, but of less than 500 tonnes of CO
2
equivalent or more,at least every three months, or
2
7
7,5
8
8,5
9
2,72
2,82
2,91
3,00
3,09
Subtable m
VA
[kg]
A
[m
] m
[kg] dm=m
2
min
[cm
]
2
max
roomA
max
442
0,5
0,21
394
1
0,41
345
1,5
0,62
297
2
0,83
248
2,5
1,04
200
3
1,24
152
3,5
1,45
103
4
1,66
55
4,5
1,87
6
5
2,07
VA
[kg]
min
[cm
]
max
2
535
487
439
390
342
294
245
197
148
100
52
3
= 2,05 kg use subtable m
c
EN
9,5
10
3,17
3,25
value from the
room
= 2,2 kg
c
VA
-m
[kg]
min
[cm
]
2
c
max
1,99
465
1,79
417
1,58
369
1,37
320
1,16
272
0,96
223
0,75
175
0,54
127
0,33
78
0,13
30
=2,1 kg
c
2
2
73
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