14
09/2005 - Art. Nr. 13 019 526A
Boiler door preparation
·
Prepare the burner plate/boiler doors
as per the drawing.
·
Stipulate interior diameter Ø 195 mm.
·
Four M10 holes (220-260 mm
diameter circle) are required, as
indicated in the accompanying
diagram.
DE
Assembly
Burner head
Burner housing
Fitting the burner housing
·
Dismantle the mixing unit before fitting
the burner housing.
·
Undo the fixing screw (M10 counter
nut and Allen screw) on the side of
the unit (opposite the gas connection)
and withdraw the mixing unit.
If the burner housing hangs below the
burner head axis, proceed as follows:
·
Unscrew and remove the two lower
nuts on the burner housing and
unscrew the two upper nuts as far as
possible.
·
Place the burner housing sloping
diagonally forwards and fit the two
upper bolts into the two slots in
the burner head flange.
·
Press the burner housing against
the burner head flange and tighten
the 4 nuts.
The housing can be mounted above
the axis of the burner head if
required. In this case, the procedure
must be reversed.
No other positions for the burner
housing are possible.
Fitting the burner head
·
Screw M10 stay bolts into the
burner plate/boiler door and add the
insulation. If the bolt circle is <260,
cut slots to the required size.
·
Fix the burner head with 4
hexagonal nuts M10
Blast tube installation depth
On boilers with reverse firing or on
three-pass boilers, the blast tube
installation depth must be complied with
for correct operation. The following
standards are to be reconciled with the
boiler manufacturer’s specifications.
–
Boiler in reverse firing chamber
Dimension A = Boiler front to reverse
edge of second pass
–
Three-pass boiler
80-190 mm
Insertion depth
-20 to +90 mm
Insertion depth
Ø a
Ø b
c
d
195
220-260
M10
45°
