PENSOTTI PCH 50B-H Instruction Manual page 60

Part replacement
:
Ignition and/or flame detection electrodes
(see fig. 2)
Un-Plug the electrode wires;
Slacken the fixing screws;
Remove the electrodes. When fitting the new
ones, check that the seals are not damaged.
Replace if necessary;
Reconnect the wires and re-assemble the
components following the above procedure in
reverse order;
Switch on the power supply and restart the
appliance;
If the boiler does not restart, check the
positions of the electrodes (especially the
ignition electrode). Make sure that original
position and distances between the
electrodes and the burner are respected
to avoid a malfunction).
POSITIONING THE IGNITION ELECTRODE AND THE IONISATION ELECTRODE
MAINTENANCE INSTRUCTIONS
0.13 in (3.5 mm) ± 0.02 in (0.5 mm)
detection
electrode
0.30 in (7.5 mm) ± 0.04 in (1 mm)
0.27 in (7 mm) ± 0.04 in (1 mm)
ignition
electrode
Fig. 2
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