Alde Compact 3010 Manual de serviço - Página 7

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REPLACING THE SOLENOID VALVE

1. Remove the service panel on the boiler.

. Release the connection block (fig. 1J) from the printed

circuit board.

. Unscrew the gas pipe (using two spanners) from the burner

(fig. 7A) and the solenoid valve (fig. 7B).

. Release the 3 screws (fig. 8A) from the solenoid valve

attachment.

. If necessary, the outer coil can be unscrewed in order to

make it easier to remove the solenoid valve.

Unscrew the nut (fig. 8B).

Remove the plate over the coil (fig. 8C) and lift off the top

coil (fig. 9A) from the solenoid valve.

. Lift up the solenoid valve and refit the new one in reverse

order. Check that the cable to the upper coil fits correctly in

the groove in the plate (fig. 9B).

7. Tighten the nuts (using two spanners) to the solenoid valve

(fig. 7B) and to the burner (fig. 7A), to 7-9Nm.

Do not forget to check that the cones are correctly fitted on

the pipe.

Check the system and the connections for leaks with leak

detector spray when the boiler is running.

8. Refit the service panel.

Fig 7.

Fig 8.

REPLACING THE SENSOR

1. Remove the service panel on the boiler.

. Release the 6-point connection block (fig. 10A) from

the printed circuit board.

. Release the connection cables from their groove

(fig. 10B) on the printed circuit board attachment.

. Remove the brass screws from the operating thermostat

(blue cable) (fig. 11B) and overheating protection

(red cable) (fig. 11A) from the boiler body.

. Lift the hot water thermostat bracket (grey cable)

(fig. 11C) from the boiler body.

. Remove the sensors together.

7. Refit the sensors in reverse order.

8. Refit the service panel and test run the boiler.

Fig 9.

Fig 10.

Fig 11.