Alde Compact 3020 Manual De Servicio página 9

3:2 FAN REPLACEMENT
1. Remove the service hatch on the boiler.
2. Remove the cable from the fan motor by lifting the
catch (Fig. 2A) and pulling the cable straight out.
3. Remove the four self-tapping screws (Fig. 2B) secur-
ing the fan in the fan housing.
4. Lift the fan from the boiler body.
5. Fit the new fan in reverse order.
NB. Take care not to damage the impeller when
fitting.
6. Fit the service hatch and test run the boiler.
3:3 BURNER REPLACEMENT
1. Remove the service hatch on the boiler.
2. Remove fan as per point 3:2.
3. Remove the sensor cable (Fig. 3A) and ignition
cables (Fig. 3B) from the circuit board.
4. Remove the gas pipe (use holding tool) on the burner
(Fig. 3C) and the solenoid valve (Fig. 6B).
5. Remove the three screws (Fig. 3D) holding the burn-
er cover plate on the burner housing.
6. Pull the cover plate with burner upwards and out-
wards from the burner housing, see Fig. 4.
7. Fit the new burner in reverse order.
8. Tighten the gas pipe nuts (use holding tool) to the
solenoid valve and burner to a torque of 7–9 Nm.
Don't forget to check that the cones are correctly
fitted on the pipe.
NB. Check that the system is sealed, and use
leak spray to test that the couplings are sealed
when the boiler is working.
9. Connect the sensor cable and ignition cables on the
circuit board.
10. Fit the service hatch and test run the boiler.
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Fig 2.
B
Fig 3.
D
D
Fig 4.
A
B
A
B
D
C
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