Co -Content; Changing Over From Lpg To Natural Gas And Vice Versa; Co 2 -Content - Potterton Paramount two Installation, Operation & Maintenance Manual

5.8 CO -Content
2
5.9

Changing over from LPG to natural gas and vice versa

PARAMOUNT two 30 - 115 kW
Attention! The boiler must not be operated at connecting pressu-
res outside the given areas!
The gas supplier has to be informed.
The CO2-content in the flue must be checked during commissio-
ning and during regular maintenance of the boiler, as well as, after
reconstruction work on the boiler or on the flue system.
CO -content during operation see section 3.2 „Technical Data
2
PARAMOUNT two" on page 13.
Too high CO -values can lead to unhygienic combustion (high CO-
2
values) and damage to the burner.
Too low CO -values can lead to ignition problems.
2
The CO -value has to be set by modifying the gas pressure at the
2
gas valve.
The gas type of the boiler must only be modified by an approved
gas installer.
• De-energise gas boiler.
• Close gas shut-off facility.
• Replace injector. Use enclosed new seals!
The CO -content has to be set by setting the injector pressure at
2
the gas valve (section 5.11 „Guide Values for Injector Pressu-
re").
The CO -content at full load, as well as, low load must be between
2
the values according to section 3.2 „Technical Data PARAMOUNT
two" (page 13).
Installation
25