Commissioning
Condens 7000 FP – 6721846699 (2022/12)
28
Table 9 Factory settings
7.5 Venting the gas line
Release the locking screw of the test nipple for gas supply pressure
and
ventilation by turning it through two revolutions and attach the hose.
Slowly open the gas isolator.
Flare off the escaping gas through a water seal. Remove the hose
when no more air is expelled, and tighten the locking screw.
Close gas isolator.
Fig. 34 Venting the gas line
[1] Test nipple for measuring the gas supply pressure and for venting
7.6 Supply air and flue gas connection
7.6.1 Check supply and extract ventilation and flue gas
connection
Check whether the supply and extract ventilation comply with locally
applicable regulations. Have any faults rectified immediately.
DANGER
Danger to life due to poisoning!
Insufficient ventilation can lead to dangerous flue gas leaks.
Never block supply and extract air apertures or reduce their size.
The boiler must not be operated, unless you immediately remedy the
fault.
Inform the system user in writing of the problem and associated
danger.
Check whether the flue gas connection complies with the applicable
regulations ( Chapter 5.6, page 19).
Have any faults rectified immediately.
Country Gas type Factory settings
AT, BE, BG, BY, CH,
CZ, DE, EE, ES, FR,
GB, GR, HR, HU, IE,
IT, KG, KZ, LT, LU,
LV, MK, NL, NO, PL,
PT, RO, RS, RU, SI,
SK, TR, UA, UZ
Natural gas group H
(G20)
Natural gas group E (G20)
Sub-group Es of natural
gas group E (G20)
Delivered factory-set ready for use. The air/gas ratio control valve is set and sealed.
Upper Wobbe index for 15 °C, 1013 mbar:
• Adjusted to 14.1 kWh/m
3
• Applicable for 11.4 to 15.2 kWh/m
3
Upper Wobbe index for 0 °C, 1013 mbar:
• Adjusted to 14.9 kWh/m
3
• Applicable for 12.0 to 16.1 kWh/m
3
(Natural gas group “H according to DVGW Code of Practice G 260” falls within natural gas group “E
according to DIN EN 437”)
DE Natural gas group LL
Sub-group Ei of natural
gas
group E
The gas type is adjusted on site (Chapter 7.10, page 30).
Upper Wobbe index for 15 °C, 1013 mbar:
• Adjusted to 12.1 kWh/m
3
• Applicable for 11.4 to 12.4 kWh/m
3
Upper Wobbe index for 0 °C, 1013 mbar:
• Adjusted to 12.8 kWh/m
3
• Applicable for 12.0 to 13.1 kWh/m
3
(Natural gas group “L according to DVGW Code of Practice G 260” falls within natural gas group“ LL
according to DIN EN 437”)
NL Natural gas group K
(G25.3)
The gas type is adjusted on site (Chapter 7.10).
Upper Wobbe index for 15 °C, 1013 mbar:
• Adjusted to 11.9 kWh/m
3
• Applicable for 11.4 to 11.9 kWh/m
3
1)
Upper Wobbe index for 0 °C, 1013 mbar:
• Adjusted to 12.5 kWh/m
3
• Applicable for 12.1 to 12.6 kWh/m
3
1)
(Natural gas group K according to “NTA 8837-2012” falls within the 2nd gas family according to DIN
EN 437)
1) According to Table C.1 “Nominally distributed limit gases of gas group K” of NTA 8837:2012.
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