Panel Board Description; Standard Equipment - Riello RS 300/EV FGR Installation, Use And Maintenance Instructions

3.6.1

Panel board description

20
16
23
18
15
18
1 Horn
2 "K5" relay
3 Control box transformer "T1"
4 Control box for checking flame and air/fuel ratio
5 Ignition transformer "TA1"
6 Plug/socket for maximum gas pressure switch
7 "OFF - LOCAL - REMOTE" switch
8 "FUEL ON" signal
9 "ALARM SILENCE" button
10 "POWER ON" signal
11 "CALL FOR HEAT" signal
12 "Burner lock-out and reset" push button
13 "K2" relay
14 Auxiliary fuse
15 DIN bar for "X2" terminal strip and available for accessories
16 Terminal strip "X2"
17 Burner terminal board "X1"
18 Holes for cables grommets for electrical wirings, accessories
and power supply (to be carried out by the installer)
19 "K7" relay
20 Min. air pressure switch
3.7

Standard equipment

Flange gasket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Flange fixing screws (M16 x 50) . . . . . . . . . . . . . . . . . . . . . . No. 4
Screws (M18 x 70) to secure the burner flange
to the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
Spacers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Flue gas butterfly valve servomotor . . . . . . . . . . . . . . . . . . . . No. 1
Instruction booklet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
20037075
Technical description of the burner
4
11
17
10
31 7
29
21
12
22
9
13
8
19
24
30
D11429
6
21 Operator panel with LCD display
22 Terminal strip "XAUX"
23 Bracket for shielded cables
Warning: used only to avoid a break in the cable's shielding,
hence do not overtighten.
24 DIN bar for relay, terminal strip "XAUX" and auxiliary fuse
25 Plug/socket for QRI flame sensor
26 "K3" relay
27 "K1" relay
28 Predisposition for additional transformer
(if required for O
29 Step-down transformer (available)
30 Plug/socket for air servomotor
A type of burner failure may occur:
➤ Flame safeguard lock-out
If the flame safeguard alarm 9)(Fig. 4) lights up, it indicates
that the burner is in lock-out. To reset, press the reset push-
button.
12 GB
25
3
2
26
27
14
kit)
2
1
5
28
Fig. 4