Table of Contents
Advertisement
17.4.3 Diagrammatic representation of supply air/flue gas monitor and gas tightness
GAS
p
komp
Fig. 92 Diagrammatic representation of supply air/flue gas monitor and gas tightness (according to EN 15502)
[1]
Differential pressure switch (closed during operation)
[2]
Valve check system
[3]
Burner control unit
[4]
Gas burner
[5]
Flue gas pressure limiter (must be manually unlocked)
[p
] Compensation line connection (blue)
1
[p
] Test cable connection for gas outlet pressure (white)
2
[p
] Pressure compensation line
komp
[p
] Gas outlet pressure
GAS
[p
]
Pressure in flue system
A
[A]
Flue gas
Condens 7000 FP – 6721846699 (2022/12)
3
2
GAS
p
GAS
p
p
1
2
1
4
17.5
Conversion of vol.% CO
burner setting
Depending on the nominal CO
named CO
default value can be converted into an O
2
according to the following formula:
O
=
20,95
2
F. 1
Formula for calculating the O
[O
] Default value of O
in vol. – %
2
2
[CO
] Default value of CO
in vol. – %
2
2
[CO
] Nominal value of CO
2max
Calculation example:
Default value for CO
= 9.2 vol. – %
2
Nominal value for CO
= 12.0 vol. – %
2max
O
=
20,95
2
F. 2
Example of O
value calculation
2
[O
] O
in vol. – %
2
2
[9,2] Default value of CO
in vol. – %
2
[12] Nominal value of CO
2max
▶ Request nominal CO
2 max
If the specified values for CO
table, the corresponding O
value can be read off directly from the table.
2
A
p
A
5
0010020562-001
into vol.% O
for
2
2
in vol. – % of the distributed gas, the
2 max
default value
2
CO
–
CO
2max
2
------------------------------------------ -
CO
2max
value
2
for the distributed gas in vol. – %
2max
12 9,2
–
4,9
----------------------- -
12
for the distributed gas in vol. – %
in vol. – % from your gas supplier.
and CO
are listed in the following
2 max
2
Appendix
71
Advertisement
Table of Contents
