Riello 1311 T2, Modulating Operation, Page: 13 / 60

11
20040170
GB
Technical description of the burner
4.10 Burner description
1 Lifting rings
2 Fan
3 Fan motor
4 Air damper servomotor
5 Oil modulator
6 Combustion head
7 Ignition pilot
8 Flame stability disk
9 Electrical panel casing
10 Hinge for opening the burner
11 Fan air inlet
12 Pipe coupling
13 Gasket for boiler fixing
14 Nozzle return pressure gauge
15 Shutter
16 Combustion head movement lever
17 Air damper movement lever
18 Minimum air pressure switch (differential operating type)
19 Combustion head air pressure test point
20 Maximum gas pressure switch with pressure test point
21 QRI cell
22 Pressure test point for air pressure switch “+”
23 Gas butterfly valve and oil modulator servomotor
24 Pump
25 Pump motor
26 Minimum oil pressure switch
27 Maximum oil pressure switch
28 Combustion head gas pressure test point
29 Rpm probe
30 3-way valve for the mechanical activation of the burner
lance
9 13 12 4 26 14 1
8
1
7
25
3 2
1
16
10
23
15
6
17
24
19
20
21
27
11
18
5
29
28
22
30
Fig. 5
D11326
CAUTION
The burner can be opened to the right or to the left
without links to the fuel supply side.
When the burner is closed, the hinge can be refit-
ted on the opposite side.