2.5
Mounting the burner on the boiler
2.5.1
Front plate preparation
Drill the boiler plate as shown in Fig. 6 (complying with
EN 226).
The flange accepts drilling diameters between 140-150 mm.
9 0 - 1 1 0
2.5.2
Fitting the burner on the boiler
Fit the fixing pins as shown in the Fig. 7.
m i n .
8
m m
D9857
Place the HM8 nut reference A)(Fig. 8), supplied in the fit-
tings pack, at the back of the flange. Thread the CHC M8 x
30 screw B) with an M8 washer C) at the front.
B
C
D
Fit the burner fixing flange on the front plate by inserting the
gasket and following the "HIGH" position.
Thread the 4 HM 8 x 25 screws with flat M8 washers (fittings
pack) in the holes reference D).
20018247
1 5 0
D9856
3 0
D9858
Installation
Tighten the 4 screws by hand (do not lock the 2 upper
screws).
Fit the burner on the boiler complying with the dimensions
recommended by the boiler maker for the nozzle to pene-
trate the heating chamber, but keep 20mm at least between
the door and the end of the flare (see above figure).
Tighten the flange screw (No. 13 hex head wrench) then the
4 flange fixing screws on the front plate. (No.13 flat wrench).
Fig. 6
D9836
Model
Fig. 7
TIGRA 2 CF 510 - 510 R
TIGRA 2 CF 710 - 710 R
A
Fig. 8
6
GB
A
Fig. 9
A (min.)
20 mm
20 mm