Riello RS 300/EV FGR Installation, Use And Maintenance Instructions page 21

Operation sequence of the burner
Timer 1
Timer 2
Fuel 1 (oil)
selection
Fuel 2 (gas)
Controller - ON (internal + external)
Air pressure switch (LP)
Fan conductor contact (GSK)
(CPI function with LMV52...)
Start release - oil
Ignition (Z)
(alternative start signal)
Fuel valve, SV
Fuel valve, PV
Fuel valve, V1
Fuel valve, V2
Fuel valve, SV
Fuel valve, V1
Fuel valve, V2
Fuel valve, V3
90° / 100%
0° / 0%
D9507
Technical description of the burner
Fuel
k)
TSA1
OR
TSA1
19 GB
Fig. 9
20037075