To Clean The Heat Exchanger; To Clean The Burner - Bosch Worcester Greenstar CDi Classic System ErP Series Installation, Commissioning And Servicing Instructions

SERVICING AND SPARES
6.1.4

To Clean the Heat Exchanger

▶ Remove outer case and base panel and isolate the appliance from
power.
1. Remove cleaning access cover (B), seal (C) and metal plate (D)
securing it, if present.
1.
B
Fig. 64 Cleaning the heat exchanger
2. Loosen any deposits in the heat exchanger from top to bottom using
the cleaning blade.
2.
Fig. 65
3. Clean the heat exchanger from top to bottom using the brush.
40
D
C
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3.
Fig. 66
▶ Refit the clean out cover plates in reverse order using a new seal (C)
and tighten screws.
6.1.5

To Clean the Burner

1. Remove cover panel (A) by removing the screws (B).
▶ Check that the boiler is completely isolated from the gas supply.
1. B A
Fig. 67
2. Remove the clips (C) and unscrew the two bolts (D).
▶ Unscrew and remove the two hexagon screws (E) securing the fan.
▶ Slacken fully the rear securing bolt (F).
▶ Remove the burner cover plate (G).
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B
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