10.11 Removing The Heat Exchanger; 10.12 Replacing The Control Unit - Bosch Worcester 2000 Series Installation And Maintenance Instructions Manual

Replacement parts

10.11 Removing the heat exchanger

▶ Remove the fan, gas hose and mixing device ( Chapter , page 53).
1. Remove the clip.
2. Detach the flow pipe.
3. Disconnect the cable from the flow temperature sensor on the heat
exchanger.
4. Disconnect the cable from the flue gas temperature limiter.
5. Remove the nut.
3.
2.
1.
4.
Fig. 88 Detach the flow pipe and disconnect the cable
1. Unclip the flue pipe.
2. Push the flue pipe up.
3. Remove the heat exchanger.
2.
1.
Fig. 89 Removing the heat exchanger
62
5.
0010015950-002
3.
0010015951-002

10.12 Replacing the control unit

The devices are delivered without code plug.
▶ When replacing the control unit, ensure the code plug supplied is
used.
▶ Flip the electronics panel down (Fig. 46 page 35).
▶ Replace the control unit.
1.
3.
Fig. 90 Replacing the control unit
▶ Open the cover on the enclosure of the appliance electronics.
▶ Insert the code plug.
Fig. 91 Inserting the code plug
Worcester 2000 – 6 721 814 551 (2019/09)
1.
2.
0010017283-002
1.
2.
0010017275-001