Riello RX 2500 S/E Installation, Use And Maintenance Instructions page 37

Flame sensor
In order to reach the flame sensor (Fig. 40), proceed as follows:
 extract the flame sensor 1);
 clean the glass cover 3) from any dust that may have accumu-
lated;
 pay attention to the seal and thermal insulator 2).
4
3
2
1
Maintenance
 Be extremely careful while troubleshooting the
 Open the master switch to disconnect power
WARNING
35 GB
detector; line voltage is present on some of the
terminals when power is on.
before removing or installing the detector.
A
20167900
Fig. 40
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