Operating Position; Preparing The Boiler; Boring The Boiler Plate; Blast Tube Length - Riello PRESS GV INCINERATOR Installation, Use And Maintenance Instructions

5.4

Operating position

➤ The burner is designed to operate only in
positions 1, 2, 3 and 4 (Fig. 7).
➤ Installation 1 is preferable, as it is the only
one that allows the maintenance operations
WARNING
as described in this manual.
➤ Installations 2, 3 and 4 permit operation but
make maintenance and inspection of the
combustion head more difficult.
1
S9272
5.5

Preparing the boiler

5.5.1

Boring the boiler plate

Drill the combustion chamber locking plate as shown in Fig. 8.
The position of the threaded holes can be marked using the ther-
mal screen supplied with the burner.
D329
mm A
PRESS GV 155
Installation
2
Fig. 8
B C C
160 160 M10
Tab. F
➤ Any other position could compromise the cor-
rect operation of the appliance.
➤ Installation 5 is prohibited for safety reasons.
DANGER
3 4
5.5.2

Blast tube length

The length of the blast tube must be selected according to the in-
dications provided by the manufacturer of the boiler, and in any
case it must be greater than the thickness of the boiler door com-
plete with its fettling.
The range of lengths available, L (mm), is as follows:
mm
PRESS GV
For boilers with front flue passes 9)(Fig. 9) or flame inversion
chambers, protective fettling in refractory material 7) must be in-
serted between the boiler's fettling 8) and the blast tube 6).
This protective fettling must not compromise the
extraction of the blast tube.
WARNING
13 GB
5
Shortened Standard
43 185
Fig. 7
Lengthened
320
Tab. G
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