5.12.2 Electrical Panel Layout - Riello DB 12 SM C03 TC FS1 FB A0 Installation, Use And Maintenance Instructions

5.12.2 Electrical panel layout

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PA Air pressure switch
PGM Maximum gas pressure switch
M Servomotor
TA Ignition transformer
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UV UV cell
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VP1 Pilot solenoid valve
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VP2 Pilot solenoid valve
XTB Burner earth
XT1 Burner terminal strip
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