Burner Description; Burner Equipment - Riello RL 42 BLU Installation, Use And Maintenance Instructions

4.8

Burner description

Partial view from H
D1866
D1861
1 Ignition electrodes
2 Combustion head
3 Screw for combustion head adjustment
4 UV Sensor for flame presence control
5 Screw for fixing fan to flange
6 Servomotor
7 Slide bars for opening the burner and inspecting the com-
bustion head
8 Pressure stage pump
9 Plate prearranged to drill 4 holes for the passage of hoses
and electrical cables.
10 Air inlet to fan
11 Fan pressure test point
12 Boiler mounting flange
13 Flameholder
14 Flame inspection window
4.9

Burner equipment

Nozzle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Flexible hoses (L = 1530 mm) . . . . . . . . . . . . . . . . . . . . . . No. 2
Gaskets for flexible hoses . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Nipples for flexible hoses . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Thermal insulation screen . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
20023224
Technical description of the burner
H
D1865
15 Starter
16 Extensions for slide bars 7)
17 Control box with lock-out pilot light and lock-out reset button
18 Two switches:
- one "burner off - on"
st
- one for "1 - 2
19 Plugs for electrical connections
20 Air gate valve
21 Pump adjustment (low pressure)
22 Pump adjustment (high pressure)
23 Motor protection
NOTE:
If the control box 18)(Fig. 6) pushbutton lights up, it indicates that
the burner is in lock-out.
To reset, press the pushbutton, no sooner than 10 s after the lock-
out.
Screws M8 x 25 to secure the burner flange to the boiler . No. 4
Fairleads for electrical connections . . . . . . . . . . . . . . . . . . No. 3
Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
10 GB
nd
stage operation"
D10339
Fig. 6