Burner Description - Riello RX 500 S/PV Modulating Operation

4.7

Burner description

1
4
8
1 Combustion head
2 Ignition electrode
3 Flame sensor probe
4 Gas valve
5 Air/gas mixer in the suction line circuit
6 Gas pressure test point
7 Gas valve pipe
8 Gas inlet
9 Boiler fixing flange
10 Fan
11 Air passage in fan
12 Electrical control box
13 Reset button
14 Plug-socket on ionisation probe cable
15 Transformer
16 Plate with 4 holes, useful for passing electric cables
17 Fuses
18 Relay
19 Programming card
20 Switch 0-1
21 Terminal board for electrical wiring
Technical description of the burner
2
3
19 20
6
7
13
15
9
11
10
20136770
11
21
Burner lockout may occur.
CONTROL BOX LOCKOUT:
The lockout signal is indicated on the display of the
WARNING
control box with "LOC" and the error code. To un-
lock, press the button 13) (Fig. 3).
11 GB
14
12
5
17
18
16
Fig. 3
20138630