Riello DB 16 SM C01 TC A0 FS1 T250 Installation, Use And Maintenance Instructions page 32

4.3 Wiring diagrams
6)
2/
*
&8
8
2
**
2-

*
:6*
:6
*
82
**
:" :#
2- 2-
* *
9"
82
:6
*
Key
PA Air pressure switch
PGM Maximum gas pressure switch
SM Servomotor
TA Ignition transformer
12
2)
2
**
2 2
9 9
2/ 2)
78
82
**
**
9# 9$
82 34)
UV Photocell
VP1 Pilot solenoid valve
VP2 Pilot solenoid valve
XTB Burner earth
4
CHAPTER
5
811 81 8
**
% % $ $ # #
% $ #
% % % $ $ $ # # # "
9%
5
:5
*
 " # $ % &
XT1
XS1
XP1
Fuel supply
18 111 11 1
>=? >KA
" "


"
" "  ) *
' " # $ % & '
*
Burner terminal strip
Servomotor plug
Servomotor socket
+
9&
5
2-
:2
Fig. 15