Operating Position; Removal Of The Locking Screws From The Shutter; Preparing The Boiler - Riello RLS 1000/E FGR Installation, Use And Maintenance Instructions

5.4

Operating position

 The burner is designed to operate only in
positions 1 and 4 (Fig. 10).
 Installation 1 is preferable, as it is the only
one that allows the maintenance operations
WARNING
as described in this manual.
 Installation 4 permit operation but make
maintenance and inspection of the combus-
tion head more difficult.
 Any other position could compromise the cor-
rect operation of the appliance.
 Installation 5 is prohibited for safety reasons.
DANGER
5.5

Removal of the locking screws from the shutter

Remove the screws and the nuts 1) and 2)(Fig. 11), before in-
stalling the burner on the boiler. Replace them with the screws 3)
M12x16 supplied with the burner.
5.6

Preparing the boiler

5.6.1 Boring the boiler plate
Drill the combustion chamber locking plate as shown in Fig. 12.
The position of the threaded holes can be marked using the ther-
mal screen supplied with the burner.
5.6.2 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.
For boilers with front flue passes 1)(Fig. 13) or flame inversion
chamber, a protection in refractory material 5) must be inserted
between the boiler fettling 2) and the blast tube 4).
This protective fettling must not compromise the extraction of the
blast tube.
For boilers with a water-cooled frontpiece, a refractory lining 2)-
5)(Fig. 13) is not necessary, unless expressly requested by the
boiler manufacturer.
20170641
Installation
1
mm
RLS 1000/E FGR
RLS 1200/E FGR
18 GB
2 3 4
D455
A B
460 608
500 608
5
20171807
Fig. 10
20061924
Fig. 11
Fig. 12
C
M 20
M 20
Tab. G