Riello 1311 T2, Modulating Operation, Page: 14 / 60

20040170
12
GB
Technical description of the burner
4.11 Electrical panel description
1 Terminal board for kits
2 Clean contacts output relay
3 Electronic cam transformer
4 Electronic control box
5 Ignition transformer
6 Shielding terminals
7 Stop push-button
8 Off-automatic selector
9 Light signalling of main fuel valve open
10 Fuel selector and enable signal to remote fuel selector
11 Light signalling of mains live state
12 Light signalling of fan motor lockout and pump motor
13 Light signalling of burner lockout and reset switch
14 Heat request signal
15 Pump motor contactor and thermal relay
16 Timer
17 Terminal board for O
2
kit
18 Main terminal supply board
19 Air pressure switch
20 Supply cables, external connections and kits
21 Auxiliary circuits fuse
22 Plug/socket servomotor
23 Flame sensor plug/sensor socket
24 Oil valve plug/socket/Pump motor/P G m (Deriv. unit)
25 AZL display
NOTE
Two types of burner failure may occur:

Control box lockout:
if the control box pushbutton (
red led
)
12)(Fig. 6) lights up, it indicates that the burner is in lockout.
release by pressing the pushbutton 12)(Fig. 6).

Motors lockout
: release by pressing the button on the rele-
vant thermal relay.
4.12 Burner equipment
Gasket for gas train flange . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Gas flange fixing screws, M 16 x 70 . . . . . . . . . . . . . . . . . No. 8
Thermal insulation screen . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
M 20 x 70 screws to secure the burner flange to the boiler No. 4
Pressure switch (for leak detection control) . . . . . . . . . . . No. 1
Light gas flexible hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Fitting 1” 1/2 - 3/4” (RLS 1200/EV C13) . . . . . . . . . . . . . . . No. 1
Fitting 3/4” - 1/2” (RLS 1200/EV C13) . . . . . . . . . . . . . . . . No. 1
Rotating elbow 1/2” (RLS 1000/EV C13) . . . . . . . . . . . . . . No. 1
Technical instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Fig. 6
D11327