Riello DB 2 LSE FGR Installation, Use And Maintenance Instructions page 78

Dual fuel light oil/gas burner
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Legenda schemi elettrici
PA
Pressostato aria
PGM Pressostato gas di massima
POM Pressostato olio di massima
SM1 Servomotore aria
SM2 Servomotore carburante
TA
Trasformatore di accensione
QRI
Sensore fiamma
VR... Valvole ritorno
VS... Valvole sicurezza
XTB Terra bruciatore
XT1 Morsettiera bruciatore
20169116
Appendice - Appendix
Wiring layout key
PA
Air pressure switch
PGM Maximum gas pressure switch
POM Maximum oil pressure switch
SM1 Air servomotor
SM2 Fuel servomotor
TA
Ignition transformer
QRI
Flame sensor
VR... Return valves
VS... Safety valves
XTB Burner earth
XT1 Burner terminal strip
40

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