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9 Exhaust gas connection
9 Exhaust gas connection
DANGER!
Asphyxiation hazard!
Combustion products (CO and CO
2
)
Prevent unacceptable concentrations of harm-
ful combustion products within the installation
room.
Set up the device under conditions of adequate
ventilation.
Observe instructions given in the currently valid
versions of all local standards during installation.
Type A3, B13, B13BS Gas device Installation as per DVGW G631, dated 03/2012
Exhaust gas and room volumes (specified values apply only to the individual devices)
Appliance size 61 62 11 12 21 22
Min. room size with free ventilation [m
3
] 52 112 88,0 180 176 *
Min. room size with constant ventilation [m
3
] 26,0 56,0 44,0 90,0 88,0 *
Min. combustion air supply [m
3
/h] 19 45 35 72 70 144
Max. exhaust gas volumes [m
3
/h] 38 108 78 180 150 350
Max. exhaust gas temperature [°C] 350 520 470 590 430 520
Free ventilation Combustion air supply through windows and
doors
Constant ventilation Combustion air supply via two ventilation open-
ings to the outside, each with
150cm
2
free cross section (one near the ceiling,
the other near the floor)
* Combustion air supply through air conditioning
plants.
Kitchens having gas appliances installed with
total rated thermal loads over 50kW must have
air conditioning plants for intake and exhaust
ventilation. These air conditioning plants also
secure combustion air supply for gas units if
designed in accordance with VDI 2052.
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