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Gas train components
Gas filter
Test burner
Installation and mounting of the gas
filter
The filter must be installed in a
horizontal pipe. The vertical position of
the cover makes cleaning easier. Be
aware of the gas flow direction (see
arrow on the filter housing). In addition,
it is recommended that sufficient space
is provided for dismantling without
obstructing the cover and for replacing
the filtering element.
Filter replacement
The filter cartridge should be replaced
by a new one as soon as a high pressure
drop is noticed (pressure drop of more
than 10mbar beyond the value observed
with a new filtering element). If a new
filter cartridge is not at hand it will be
possible to wash the filter mat in 40°C
water adding some light-duty detergent.
Allow the mat to dry before reinstallation.
Warning: when installing the filter mat,
ensure correct fixing or check the label.
Test burner
Depending on the country-specific
requirements, when installing steam
boilers it may be necessary to fit a test
burner to the gas train (e.g. in line with
the Pressure Equipment directive TRD
412). This is used to vent the gas control
system.
The gas supply is switched on by
pressing the button (1). The flow of gas
brings in the required amount of
combustion air via the hole in the burner
tube (3). The gas/air mixture is routed
towards the burner head (4) and ignited
manually at its opening. Gas is supplied
for as long as the button is pressed and
cut off when it is released.
Technical data:
• Type of gas:
gases in accordance with DVGW
worksheet G 260/1, gas families 1, 2, 3
• Ambient temp.: -15°C to +70°C
• Installation position: vertical, facing
upwards
• Operating pressure to: 500 mbar
24
03/2016 - Art. Nr. 4200 1044 8002A
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