Burner Description - Riello RS 45 BLU Installation, Use And Maintenance Instructions

3.9

Burner description

4
18
1 Combustion head
2 Ignition electrode
3 Screw for combustion head adjustment
4 Control box with lockout pilot light and lockout reset button
5 Flame sensor probe
6 Air pressure socket
7 Gas pressure test point and head fixing screw
8 Screws securing fan to sleeve
9 Slide bars for opening the burner and inspecting the
combustion head
10 Servomotor controlling the gas butterfly valve and the air
damper (by means of a variable profile cam mechanism).
When the burner is stopped, the air damper will be
completely closed to reduce heat loss due to the flue
draught, which tends to draw air from the fan air inlet
11 Areas for passage of electric cables
12 Air inlet to fan
13 Gas input pipework
Technical description of the burner
10
12
11
17
19
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13 14 15
1
2
3
7
8
14 Gas butterfly valve
15 Boiler mounting flange
16 Flame stability disc
17 Flame inspection window
18 Fan motor
19 Air damper
Two types of burner lockout may occur:
CONTROL BOX LOCKOUT:
if the control box button (red LED) 4)(Fig. 5) lights up, it indicates
that the burner is locked out. To reset, hold the push button down
for between 1 and 3 seconds.
11 GB
16
5
6
9
Fig. 5
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