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2
3
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3 mm
5 mm
3 mm
3 mm
3 mm
HeatMaster® 25 / 35 TC
HeatMaster® 70 / 85 / 120 TC
HeatMaster® 45 TC
en
56
HeatMaster TC :
664Y6800 • A
EN
FR
NL
ES
IT
DE
PL
RU
MAINTENANCE
REMOVAL, CHECK AND REINSTALLATION OF THE BURNER ELECTRODE
Set-up conditions
•
Boiler shut down
•
External power supply isolated
•
Gas supply closed
Removal procedure
1. Open the upper front panel of the boiler and remove the upper panel, located on top of the boiler
by releasing two cross-head screws.
2. Unplug the electrode ignition cable.
3. Disconnect the electrode grounding cable.
4. Remove two mounting screws (1) and retain them for reinstallation.
5. Remove the electrode (2).
6. Check the correct alignment of the electrode ends and that the gap corresponds to the values
indicated in the figure below.
7. Check the gap between the electrode and the burner tube, see "Removal and reinstallation of the
burner", page 57.
Reinstallation procedure
1. Reinstall a new gasket (3).
2. Reinstall the electrode (2) using the two screws (1), torque them at 3 to 3.5 Nm, making sure that
the lock washer is correctly installed between the grounding cable and the electrode.
3. Reconnect the electrode grounding cable and the ignition cable.
It is recommended to remove the electrode before removing the burner in order to
prevent the insulation block from being damaged when lifting the burner.
Содержание 120 TC
Страница 63: ...en 63 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU DECLARATION OF CONFORMITY EC ...
Страница 64: ...en 64 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU DECLARATION OF CONFORMITY EC ...
Страница 65: ...en 65 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU ...
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Страница 67: ...en 67 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU ...
Страница 68: ...MARKINGS LABELS en 68 HeatMaster TC 664Y6800 A EN FR NL ES IT DE PL RU ...