Atlantic 024306 - Page 22

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fi g. 23 - Minimum room volume
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Minimum room volume
In accordance with EN 378-1 -2017 standard
(Refrigerating systems and heat pumps - Safety and
environmental requirements), the ystem's hydraulic
unit and all refrigeration connections passing through
inhabited areas must comply with the minimum room
volume requirements shown hereafter (voir fi g. 23) :
The minimum volume of a room (in m3) is calculated
using the formula: "fl uid fi ll load” (in kg) / 0.3.
Alternatively, you must ensure that :
- The location has natural ventilation through another
room where the combined volume of the two rooms
is greater than "liquid fi ll load" (in kg) / 0.3kg/m
3
.
Ventilation between the two rooms is ensured by
openings of at least: see fi g. 24 and fi g. 25.
- Or that the location is mechanically ventilated:
• Minimum fl ow rate of 165m3/H;
• Extraction at less than 0.20m from the fl oor.
Refrigeration connections
Length
Model (kW)
3, 5, 6 8 10
15 m
R32 gas
charge
g 970 1020 1630
min room
volume
m
3
3.2 3.4 5.4
16 m
R32 gas
charge
g 995 1045 1630
min room
volume
m
3
3.3 3.5 5.4
17 m
R32 gas
charge
g 1020 1070 1630
min room
volume
m
3
3.4 3.6 5.4
20 m
R32 gas
charge
g 1095 1145 1630
min room
volume
m
3
3.65 3.8 5.4
21 m
R32 gas
charge
g 1120 1170 1650
min room
volume
m
3
3.73 3.9 5.5
22 m
R32 gas
charge
g 1145 1195 1670
min room
volume
m
3
3.82 3.98 5.57
23 m
R32 gas
charge
g 1170 1220 1690
min room
volume
m
3
3.9 4.1 5.6
25 m
R32 gas
charge
g 1220 1270 1730
min room
volume
m
3
4.1 4.2 5.8
30 m
R32 gas
charge
g 1345 1395 1830
min room
volume
m
3
4.5 4.7 6.1
Alfea Extensa A.I. R32 / INSTALLATION / 2114 - EN