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5.4
Operation position
The burner is designed to operate only in the positions 1, 2, 3
and 4.
Installation 1 is preferable, as it is the only one that allows the
maintenance operations as described in this manual.
Installations 2, 3 and 4 permit operation but make maintenance
and inspection of the combustion head more difficult.
Any other position could compromise the correct operation of the
appliance.
Installation 5 is prohibited for safety reasons.
5.5
Preparing the boiler
5.5.1
Boring the boiler plate
Drill the combustion chamber locking plate as shown in (Fig. 11).
The position of the threaded holes can be marked using the ther-
mal screen supplied with the burner.
mm
440
RLS 800/EV MX
5.6
Securing the burner to the boiler
Prepare an adequate system of hoisting by hooking onto the
rings 3) (Fig. 12).
Slip the thermal protection (standard equipment) onto the
blast tube 4) (Fig. 12).
Place entire burner on the boiler hole arranged previously,
see (Fig. 11), and fasten with the screws given as standard
equipment.
The burner-boiler seal must be airtight.
WARNING
20010950
A
B
495
M 18
D455
Installation
1
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.
C
For boilers with front flue passes 1) (Fig. 12) or flame inversion
chambers, protective fettling in refractory material 5) must be in-
serted between the boiler fettling 2) and the blast tube 4).
This protective fettling must not compromise the extraction of the
blast tube.
For boilers having a water-cooled front the refractory fettling 2)-
5)(Fig. 12) is not required unless it is expressly requested by the
boiler manufacturer.
Fig. 11
7
8
D3507EV
16
GB
2
3
4
3
3
5
D7739
Fig. 10
1
2
5
4
1
Fig. 12
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