MAINTENANCE INSTRUCTIONS
61
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 correct to avoid a malfunction.
POSITIONING THE IGNITION ELECTRODE AND THE IONISATION ELECTRODE
0.30 in (7.5 mm) ± 0.04 in (1 mm)
0.13 in (3.5 mm) ± 0.02 in (0.5 mm)
0.27 in (7 mm) ± 0.04 in (1 mm)
Fig. 2
detection
electrode
ignition
electrode
Summary of Contents for PCH 50B-H
Page 8: ...GENERALINFORMATION 5 ...
Page 9: ...GENERALINFORMATION 6 ING ...
Page 10: ...GENERALINFORMATION 7 ...
Page 11: ...GENERALINFORMATION 8 ...
Page 14: ...TECHNICALCHARACTERISTCS 11 2 2 Dimensions ...
Page 35: ...INSTALLATION INSTRUCTION 32 Venting Pictures Illustrations ...
Page 36: ...INSTALLATION INSTRUCTION 33 Part No PAHVK Horizontal Vent Kit ...
Page 40: ...INSTALLATION INSTRUCTION 37 ...
Page 75: ...73 6 12 Sequence of operations ...
Page 76: ...74 ...
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