B
LB 1681
Max Gas 170 PR - 250 PR
pag.16
With the burner switched off, connect a DC microampmeter
with a 0÷50 or 0÷100 µA dial. When the burner is running,
and is properly adjusted, the value read must be steady and
never be smaller than 3 µA.
FLAME DETECTION SYSTEM CHECK
POSITION OF ELECTRODES
18
3
Sez. A
3
+1
0
5
.
0
±
5
A
A
19
IONIZATION
PROBE
IGNITION
ELECTRODE
–
+
2
3
1
MOUNTING TO THE BOILER
TUBE DISASSEMBLY