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

11

Flue gas connection for gas units

This chapter only applies to gas units.
Harmful flue gases
Risk of suffocation or poisoning due to concentrations of harmful flue gases
(Carbon monoxide).
Make sure that there are sufficient ventilation options in the installation
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area.
Carry out a flue gas analysis during commissioning of the unit.
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Install the unit under a kitchen ventilation system.
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Only for Japan:
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The unit must be installed under an exhaust hood.

11.1 Regulations for flue gas connection

The units are classified as per DVGW G631 from 03/2012 as flue gas types
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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 unit:
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)
80.06.083_iCombiPro-iCombiClassic_IM_en-US
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
11 | Flue gas connection for gas units
10 full 20 half
size size
80 88
160 176
64 70
2260 2472
160 150
5651 5298
590 430
20 full
size
*
*
128
4521
311
10983
520
85 / 100