Burner Description - Riello RL 25 BLU TC Installation, Use And Maintenance Instructions

(A)
BURNER DESCRIPTION (A)
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 inspect-
8 Pressure stage pump
9 Plate prearranged to drill 4 holes for the pas-
10 Air inlet to fan
11 Fan pressure test point
12 Boiler mounting flange
13 Flameholder
14 Flame inspection window
15 Motor capacitor (only for RL 35)
16 Control box with lock-out pilot light and lock-
17 Two switches:
18 Plugs for electrical connections
19 Air gate valve
20 Pump adjustment (low pressure)
D1866
21 Pump adjustment (high pressure)
NOTE
If the control box 16)(A) 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.
20156620
4
ing the combustion head
sage of hoses and electrical cables.
out reset button
- one "burner off - on"
- one for "1st - 2nd stage operation"