Potterton Paramount five 115, Installation Manual, Page: 51 / 156

7.4.3 CO
2
content
The CO
2
content in the exhaust gas must be checked during
commissioning and during regular maintenance of the boiler, as well as
after reconstruction work on the boiler or on the exhaust gas system.
CO
2
content during operation see section
Technical data
.
Caution
Risk of damage to the burner!
Too
high
CO
2
values can lead to unhygienic combustion (high CO
values) and damage to the burner.
Too
low
CO
2
values can lead to ignition problems.
The CO
2
value is set by adjusting the gas pressure at the gas valve. If the
Paramount is used in areas with fluctuating natural gas composition, the
CO
2
content must be adjusted in accordance with the Wobbe index at any
given time (ask the gas supply company).
The CO
2
content to be set can be decided as follows:
CO
2
content = 8.5 - (W
oN
- W
ocurrent
) * 0,5
until Paramount 50: CO
2
content = 8,5 - (W
oN
- W
ocurrent
) * 0,5
above Paramount 50: CO
2
content = 8.8 - (W
oN
- W
ocurrent
) * 0.5
The air quantity set in the factory must not be changed.
For more information, see
Technical data, page 15
7.4.4 Changing over from natural gas to LPG and vice versa
Danger
Danger! Danger to life by gas!
The gas type of the Paramount may only be changed by an
approved heating specialist. The Potterton Commercial
conversion kit for LPG (accessory) must be used. The instructions
of the conversion kit must be observed!
The CO
2
content is set by adjusting the injection nozzle pressure on the
gas valve.
The CO
2
-content must be between the values according to section
Technical Data at full load as well as low load.
For more information, see
Technical data, page 15
7 Commissioning
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