11 Maintenance
Fig.140
5
5
Fig.141
6
Fig.142
7
7
106
POWER HT +
4. Access the internal boiler components.
5. Disconnect the power and command cables on the fan.
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6. Disconnect the ignition electrode and the flame detection sensor.
6
MW-2000784-01
7. Disconnect the 2 wires from the safety thermostat on the combustion
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chamber door and the pin under the ignition electrode.
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