Riello 852T4 - Burner Description

9
20151763
GB
Technical description of the burner
4.7 Burner description
1 Combustion head
2 Ignition electrode
3 Flame sensor probe
4Gas valve
5 Air/gas mixer in the suction line circuit
6 Gas pressure test point
7 Gas valve pipe
8 Gas input
9 Boiler fixing flange
10 Fan
11 Air passage in fan
12 Electrical control box
13 Reset push-button
14 Plug-socket on ionisation probe cable
15 Terminal board
16 Transformer
17 Plate with holes, useful for passing electric cables
18 Fuses
19 Programming card
20 ON/OFF selector
21 Pilot gas train
22 Starter timer
23 Display
24 Pilot gas train
25 Timer
1
2
3
11
14
12
5
18
9
22
10
19
16
17
7
17
4
6
8
15
21
23
20
13
Fig. 3
20152181
WARNING
Burner lockout may occur.
CONTROL BOX LOCKOUT:
the alarm on the display 23)(Fig. 3) signals that the
burner is in lockout.
Press the push button 13)(Fig. 3) to reset.