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4.10
Description of panel board
14
25
24
22
20
19
16
18
1
Terminal strip for kits
2
Relay outlet - clean contacts
3
Ignition transformer
4
Bracket for mounting the power regulator RWF40
5
Stop push-button
6
Dial for off - automatic - manual
7
Power dial for increase - decrease of power
8
Start enabled light
9
Motor thermal cutout tripped warning light
10 Signal light for burner failure and lock-out reset button
11 Control box
12 Star-powered/delta-powered starter
13 Timer
14 Air pressure switch
15 Main supply terminal strip
16 Entry for power cables and external leads
17 Fuel selector and remote fuel selector enabling
18 Auxiliary circuits fuse
4.11
Burner equipment
Flange gasket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. 1
Flange fixing screws M 16 x 50 . . . . . . . . . . . . . . . . . . . . . . N. 8
Thermal screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. 1
Screws to secure the burner flange to the boiler:
M 18 x 70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. 4
Spacers (see Fig. 17). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. 2
Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. 1
Spare parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. 1
20010305
Technical description of the burner
15
16
12
23
21
13
4
5
6
7
17
8 9
10 11
D9144
14
25
24
22
20
1
19
2 3
19 Servomotor plug/socket
20 Plug-socket valve /Pump motor
21 Fan motor thermal cut-out
22 Pump motor contactor and thermal cut-out
23 Oil/gas selection relay
24 Plug-socket maximum gas pressure switch
25 Plug-socket flame sensor
NOTE
Two types of burner failure may occur:
➤ Control box lock-out: if the control box 11)(Fig. 5) pushbut-
ton (red led) and the reset button 10)(Fig. 5) light up, it indi-
cates that the burner is in lock-out.
To reset, press the pushbutton 10)(Fig. 5).
➤ Motors trip: release by pressing the push button on ther-
mal.
12
GB
16
18
23
12
13
21
15
16
Fig. 5
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