Riello RS 300/E LN Installation, Use And Maintenance Instructions page 17

Operation sequence of the burner
Timer 1
Timer 2
Fuel 1 (oil)
Fuel
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
20008423
Technical description of the burner
k)
TSA1
OR
TSA1
15
GB
Fig. 8