Flue Gas Connection For Gas Devices; Regulations For Flue Gas Connection - Rational iCombi Pro Original Installation Instructions

11

Flue gas connection for gas devices

This chapter only applies to gas devices.
Harmful flue gases
Risk of suffocation due to inadmissible concentration of harmful flue gases.
Make sure that there are sufficient ventilation options in the installation
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area.
Carry out a flue gas analysis before commissioning the device.
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11.1 Regulations for flue gas connection

The devices are classified as per DVGW G631 from 03/2012 as flue gas
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types A3 and B23, B13, B13BS. Observe the regulations for the respective
types.
For installation, observe the local standards in their respective valid version.
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The flue gas connection must comply with the regulations of NFPA 96.
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Observe the maintenance instructions for gas components.
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Flue gas and room volume
The following values only apply to the individual device:
Min. room size with con-
stant ventilation (m³)
Min. room size with free
ventilation (m³)
Min. combustion air sup-
ply (m³/h)
Min. combustion air sup-
ply (ft³/h)
Max. flue gas volume (m³/
h)
Max. flue gas volume (ft³/
h)
Max. flue gas temperature
(°C)
Max. flue gas temperature
(°F)
*Combustion air supply through ventilation and air conditioning systems
Combustion air supply
The combustion air supply is ensured by free ventilation or constant ventilation,
one near the ceiling, one near the floor.
Free ventilation
The combustion air supply is ensured via windows and doors.
Constant ventilation
80.06.083_iCombi Pro-iCombi Classic_IM_V01_en-US
11 | Flue gas connection for gas devices
DANGER
6 half 6 full 10 half
size size size
26 56 44
52 112 88
21 45 35
742 1590 1236
38 108 78
1342 3814 2755
350 520 470
662 968 878
10 full 20 half 20 full
size size size
80 88 -
160 176 -
64 70 128
2260 2472 4521
160 150 311
5651 5298 10983
590 430 520
1094 806 968
71 / 84