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Fitting the thermal insulation
Control unit fascia
1.
Fig. 15
Mounting the burner
Separate burner documentation
The burner fixing hole circle, burner fixing holes and
flame tube aperture meet the requirements of
EN 303-1.
The burner may be mounted directly on the hinged
boiler door. If the burner dimensions deviate from
those stated in EN 303-1, fit the blank plate available
as an accessory. For this, drill fixing holes to suit the
burner in question into the burner plate.
Mounting the combustion chamber sight glass
Connect the sight glass (sight glass closure supplied
inside the combustion chamber) with the fan part of the
burner (test port for "static burner pressure") using the
plastic hose supplied.
Commissioning and adjustment
Service instructions for boiler and boiler control
unit and separate burner documentation
14
(cont.)
Cut out the thermal insulation mat in the boiler door
■
to suit the flame tube diameter.
Note
The flame tube must protrude from the thermal insu-
lation of the boiler door.
To safeguard perfect operation, maintain the
required minimum flame tube length.
After mounting the burner, seal the annular gap
■
between the flame tube and the thermal insulation
block with the flame tube gasket supplied.
Note
Failure to observe this can result in boiler door dam-
age due to excessive temperatures.
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