Riello 3739750 Installation, Use And Maintenance Instructions page 33

INDEX
1. BURNER DESCRIPTION . . . . . . . . . . . .
1.1 Burner equipment . . . . . . . . . . . . . . . . .
2. TECHNICAL DATA . . . . . . . . . . . . . . . .
2.1 Technical data . . . . . . . . . . . . . . . . . . . .
2.2 Overall dimensions . . . . . . . . . . . . . . . .
2.3 Working field . . . . . . . . . . . . . . . . . . . . .
3. INSTALLATION . . . . . . . . . . . . . . . . . . .
3.1 Boiler fixing . . . . . . . . . . . . . . . . . . . . . .
3.2 Fuel supply . . . . . . . . . . . . . . . . . . . . . .
3.3 Hydraulic systems . . . . . . . . . . . . . . . . .
3.4 Electrical wiring . . . . . . . . . . . . . . . . . . .
1. BURNER DESCRIPTION
Two stage light oil burner.
The burner meets protection level of IP 40, EN 60529.

1 – Pump with pressure reducer
2 – Electronic start delaying
device
3 – Flame control
4 – Reset button with lock-out
lamp
5 – Flange with insulating
gasket
6 – 2 nd stage air damper
adjustment assembly
7 – Nozzle holder assembly
8 – Flame sensor
9 – Hydraulic jack
10 – 4 pole socket
11 – 2 nd stage valve
12 – 1 st stage valve
1.1 BURNER EQUIPMENT
Flange with insulating gasket . . . .No. 1
Screw and nuts for flange . . . . . .No. 1
7 pin plug . . . . . . . . . . . . . . . . . . .No. 1
2311
1 4. WORKING . . . . . . . . . . . . . . . . . . . . . . .
1 4.1 Combustion adjustment. . . . . . . . . . . . . .
4.2 Recommended nozzles . . . . . . . . . . . . . .
2 4.3 Combustion head setting. . . . . . . . . . . . .
2 4.4 Electrodes adjustment. . . . . . . . . . . . . . .
2 4.5 Pump pressure and air output . . . . . . . . .
2 4.6 Burner start-up cycle . . . . . . . . . . . . . . . .
3 5. MAINTENANCE . . . . . . . . . . . . . . . . . . .
3
6. FAULTS / SOLUTIONS . . . . . . . . . . . . . .
3
4
5
Fig. 1
Screw and nuts for flange to be fixed to boiler . . . No. 4
Flexible oil pipes with nipples . . . . . . . . . . . . . . . . No. 2
4 pin plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
1 GB
S7242
6
6
6
7
7
7
8
8
9