Riello RS 120/EV BLU, Installation, Use And Maintenance Instructions

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Technical description of the burner
4.10 Burner description
1 Combustion head
2 Ignition pilot
3 Screw for combustion head adjustment
4 Maximum gas pressure switch
5 Pipe coupling
6 Gas servomotor
7 “0 / AUTO” selector
8 Extensions for slide bars 20)
9 “Burner LOCK-OUT and RESET” switch
10 Terminal board for electrical wiring
11 Operator panel with LCD display
12 Control box for checking flame and air/fuel ratio
13 “K6” relay
14 “K2” relay
15 QRI cell
16 Ignition transformer
17 Cable grommets for electrical wiring (to be carried out by the
installer)
18 air servomotor
19 Air pressure switch (differential operating type)
20 Slide bars for opening the burner and inspecting the com-
bustion head
21 Gas pressure test point and head fixing screw
22 Air pressure test point
23 Earthing screws
24 Air damper
25 Fan air inlet
26 Screws to secure fan to pipe coupling
27 Gas input pipe
28 Gas butterfly valve
29 Boiler fixing flange
30 Flame stability disk
31 Fan motor
32 RPM sensor
33 “EMERGENCY STOP” button
34 Din rail available for accessories
35 “FUEL ON” indicator light
36 "T1" electronic cam transformer
37 Optional holes
38 “POWER ON” indicator light
39 “K3” relay
40 Flame inspection window
The following problem could arise:
Flame lockout protective device:
if the flame lockout signal 9)(Fig. 5) comes on, this means that
the burner is in lockout. To restore the operation, press the reset
button or use the display.
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Fig. 5
RS 120/EV BLU