Refrigerant: R290 and CO2
Load (mass):
10 kg/6 kg
Room volume (HxWxD)
Engine room: ((3x1.6)+(3x1.7x0.5))x3 = 22.0 m3
Enclosure: 1.4x2x1 = 2.8 m3
According to EN 378 and annex to IEC 335-2-40
Ventilation requirements: V = 50x(m)2/3 (m3/h)
230 m3/h
Danish Emergency Management Agency
Ventilation requirements:
Emptying of room for gas in 10 minutes
2.8 m3/10 min x 60 = 16.8 m3/h
Room classification
Enclosure
Zone 2 – IP44
Engine room
Unclassified area
Ventilation equipment and channel
Zone 1 – i.e. Ex
Table 4: Ventilation requirements
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