11 | Exhaust gas connection on gas units
80.06.070_iCombiPro-iCombiClassic_IM_en-GB 91 / 108
11 Exhaust gas connection on gas units
This section only applies to gas units.
DANGER
Toxic flue gas
Risk of asphyxiation from unauthorised concentration of harmful flue gases.
n
Ensure that the ventilation options in the installation area are adequate.
n
Perform a flue gas analysis prior to commissioning the unit.
n
Install the unit under a kitchen ventilation system.
n
Only for Japan:
The unit must be installed under an exhaust hood.
11.1 Regulations for exhaust gas connection
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The units are classified pursuant to DVGW G631 of 03/2012 as exhaust
gas types A3 and B23, B13, B13BS. Adhere to the provisions for the relev-
ant types.
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Observe instructions given in the currently valid versions of all local stand-
ards during installation.
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The flue gas connection must meet the requirements of the NFPA 96.
n
Follow the maintenance instructions for gas components.
Exhaust gas and room volumes
The following values only apply to the individual unit:
6-1/1 6-2/1 10-1/
1
10-2/
1
20-1/
1
20-2/
1
Min. Room size with con-
stant ventilation (m³)
26 56 44 80 88 *
Min. Room size with free
ventilation (m³)
52 112 88 160 176 *
Min. Combustion air sup-
ply (m³/h)
21 45 35 64 70 128
Min. Combustion air sup-
ply (ft³/h)
742 1590 1236 2260 2472 4521
Max. Exhaust gas volumes
(m³/h)
38 108 78 160 150 311
Max. Exhaust gas volumes
(ft³/h)
1342 3814 2755 5651 5298 10983
Max. Exhaust gas temper-
ature (°C)
350 520 470 590 430 520