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4.11
Description of panel board
20
24
23
18
25
1
Terminal strip for kits
2
Relay outlet - clean contacts
3
Electronic cam transformer
4
Control box
5
Ignition transformer
6
Bracket for mounting the power regulator RWF
7
Stop push-button
8
Dial for off - automatic - manual
9
Power dial for increase - decrease of power
10 Fuel selector and remote fuel selector enabling
11 Signal light for power on
12 Signal light for fan and pump motors trip
13 Signal light for burner failure and lock-out reset button
14 Support for AZL kit
15 Star-powered/delta-powered starter
16 Timer
17 AZL connector
18 Pump motor contactor and thermal cut-out
19 Main supply terminal strip
20 Air pressure switch
4.12
Burner equipment
Flange gasket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Flange fixing screws M 16 x 50 . . . . . . . . . . . . . . . . . . . . . No. 8
Thermal screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Screws to secure the burner flange to the boiler:
M 18 x 70 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
Spacers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Pressure switch (for leak detection control) . . . . . . . . . . . . No. 1
Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
20027766
Technical description of the burner
16
15
26
21
22
21
1
14
6
19
7
8
9
10
11
12
13
21 Entry for power cables, external leads and kit
22 Auxiliary circuits fuse
23 Plug-socket maximum gas pressure switch
24 Servomotor plug/socket
25 Plug-socket flame sensor
26 Oil valve/Pump motor plug/socket
NOTE
Two types of burner failure may occur:
Control box lock-out: if the control box 13) (Fig. 6) push-
button (red led) lights up, it indicates that the burner is in
lock-out.
To reset, press the pushbutton 13) (Fig. 6).
Motors trip: release by pressing the push button on thermal.
12
GB
4
2
17
20081684
5
3
Fig. 6
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