Standard Equipment - Riello RL 190/M Installation, Use And Maintenance Instructions

1 Ignition electrodes
2 Combustion head
3 Screw for combustion head adjustment
4 Screw for fixing fan to flange
5 Pressure gauge for pressure on nozzle return
6 Pressure gauge for pressure on nozzle delivery
7 Pump
8 Air inlet to fan
9 Air damper
10 Fan pressure test point
11 Boiler mounting flange
12 Flame stability disk
13 Slide bars for opening the burner and inspecting the combus-
tion head
14 Extensions for slide bars 13) (with kit)
15 High oil pressure switch
16 Ignition transformer
17 Fan motor contactor and thermal relay with reset button
18 "OFF - ON" switch
19 Burner terminal board "X1"
20 Terminal strip for oil valve "X2"
21 Flame safeguard with lock-out pilot light and lock-out reset
button
22 Flame inspection window
23 Low air pressure switch
24 Valve assembly with pressure regulator on nozzle return
25 UV scanner
26 Servomotor, provides adjustment of fuel delivery regulator
and of air damper. When the burner is not operating the air
damper is fully closed in order to reduce to a minimum heat
dispersion from the boiler.
27 Lifting rings
28 "AUTO-MAN" switch
29 "MANUAL +/-" switch
30 "ALARM SILENCE" button
31 Optional holes

3.10 Standard equipment

Gas train flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No. 1
Flange gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No. 1
Flange fixing screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No. 4
Adaptor G 1/4" / 1/4" NPT . . . . . . . . . . . . . . . . . . . . . . . . . . .No. 1
Seal for adaptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No. 1
Connector for adaptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No. 1
Circular sector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No. 4
Instruction booklet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No. 1
Technical description of the burner
32 RWF 40 modulator (with analog output 4-20 mA) (Available)
33 "POWER ON" signal
34 "CALL FOR HEAT" signal
35 "ALARM" signal
36 "IGNITION ON" signal
37 "FUEL ON" signal
38 Horn
39 Auxiliary fuse
40 Din bar for fuse holder, step-down transformer and OCI
41 Ground terminals
42 Holes for cables grommets for electrical wirings, accessories
43 Terminal strip for UV scanner "X3"
44 Din bar available for accessories
45 Din bar for thermal relay, fan motor contactor and terminal
46 Fan motor
47 "K1" relay
48 "K3" relay
49 "KMIN" relay
50 "KMAX" relay
Two types of burner failure may occur:
–
–
11 GB
412.10 (Available)
and power supply (to be carried out by the installer)
strip for UV "X3"
Flame safeguard lock-out: if the safeguard alarm 21)(Fig. 6,
page 10) lights up, it indicates that the burner is in lock-out. To
reset, press the pushbutton, no sooner than 10 s after the lock-
out.
Motor trip: release by pressing the pushbutton on thermal
overload 17)(Fig. 6, page 10). See See "Thermal relay calibra-
tion" on page 23.
For the installation and the adjustment of the high
fire switch, please refer to the specific manual of the
device.
WARNING
20051197