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3.7.1
Panel board description
15
16
43
2
4
3
5
46
6
7
8
9
10 11
21
20
43
43
44
31
32
33
34
35
20123200
1
Electronic cam
2
ON/OFF selector
3
OIL/OFF/GAS selector
4
LOCAL/REMOTE selector
5
ALARM SILENCE push-button
6
Output power regulator
7
POWER ON light signal
8
IGNITION ON light signal
9
CALL FOR HEAT light signal
10 FUEL ON light signal
11 ALARM light signal
12 Air pressure switch
13 Ignition transformer
14 Valve group terminal board
15 Operator panel with LCD display
16 Main terminal supply board
17 Auxiliary circuits fuse
18 Pump motor contact maker
19 Pump motor thermal relay (with reset button)
20 Flame sensor sheath
21 Fuel servomotor sheath
22 Maximum gas pressure switch sheath
23 Air servomotor sheath
24 Maximum oil pressure switch sheath
25 Minimum oil pressure switch sheath
26 Pump motor cables sheath
27 VS1Oil return safety solenoid valve
28 VROil return solenoid valve
29 UFOil delivery safety solenoid valve
30 UFOil solenoid valve
20120900
Technical description of the burner
1
12
13
14
45
42
46
22
23
43
43
25
41
40
39
36
37
38
18
19
27
24
28
29
30
26
31 KO1 oil timer module and relay
32 KG1 gas timer module and relay
33 KP oil pump timer module and relay
34 KG2 auxiliary gas relay
35 KVP auxiliary fan/oil pump relay
36 AH horn
37 K1 auxiliary flame alight relay
38 K3 auxiliary alarm relay
39 K5 auxiliary burner lock out relay
40 K6 auxiliary inverter alarm relay
41 K2 auxiliary remote position relay
42 KMV auxiliary fan relay
43 Earth terminal
44 Fan motor earth sheath
45 Available for step down transformer
46 Available
Three types of burner failure may occur:
Flame safeguard lock-out
If the flame safeguard alarm 6)(Fig. 4) lights up, it indicates
that the burner is in lock-out. To reset, press the reset push-
button.
Pump motor trip
release by pressing the push-button on thermal overload
17)(Fig. 4). See "Thermal relay calibration" on page 36.
The connection of the inverter kits must be carried
out by the customer/ installer following the instruc-
tions (electrical drawing) provided with the burner
and the kits.
WARNING
12
GB
17
Fig. 4
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