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3.9
Panel board description
20061610
1
"OFF - LOCAL - REMOTE" switch
2
"POWER ON" signal
3
"CALL FOR HEAT" signal
4
Max gas pressure switch plug/socket
5
"FUEL ON" signal
6
"ALARM SILENCE" button
7
"BURNER LOCK-OUT and RESET" pushbutton
8
Low air pressure switch
9
Operator panel with LCD display
10 Burner terminal board "X1"
11 Control box for checking flame and air/fuel ratio
12 Ignition transformer "TA"
13 Control box trasformer "T1"
14 External fuel selector
15 Terminal strip "X2" and "XO2"
16 Hole for fan motor cable
17 Flame sensor plug/socket
18 Bracket for shielded cables with thumbscrew
3.10 Burner equipment
The burner is supplied complete with:
Flange gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .No. 1
Flange fixing screws M 16 x 50 . . . . . . . . . . . . . . . . . . . . . . . No. 4
Screws to secure the burner flange to the boiler: M 20 x 70 . No. 4
Instruction manual and spare parts list. . . . . . . . . . . . . . . . . . No. 1
Technical description of the burner
19 Servomotor plug/socket
20 Auxiliary fuse
21 "IGNITION ON" signal
22 Horn
23 Relais
24 Electric joint for ignition cable
25 Electric joint for air pressure switch pipe
26 Free entrance for pilot gas train valves
27 Max propane air pressure switch plug/socket
One type of burner failure may occur:
Flame safeguard lock-out
11
GB
Warning: used only to avoid a break in the cable's shielding,
hence do not overtighten.
If the flame safeguard alarm 6)(Fig. 6) lights up, it indicates
that the burner is in lock-out. To reset, press the reset push-
button.
Fig. 6
20060897
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