Replace The Control Unit; Replace The Auto Air Vent; Replace The Silencer - Worcester Greenstar 1000 GR1000W 24 C NG Installation And Maintenance Instructions Manual

10.24 Replace 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. 55, page 39).
▶ Remove all cable connections.Remove the control unit from the
hinges [1] by pulling off towards the front direction.
Fig. 170 Replacing the control unit
[1] Hinges
▶ Open the cover [2] on the enclosure of the appliance electronics.
▶ Insert the code plug [3].
Fig. 171 Inserting the code plug
[2] Cover
[3] Code plug
Greenstar 1000 – 6721835943 (2023/08)

10.25 Replace the auto air vent

Check that the red cap on the auto air vent is half open.
▶ Drain the system water.
1
2
1
Fig. 172 Replacement of the auto air vent
[1] Clip
[2] Auto air vent
0010042746-001
▶ Remove the clip [1].
▶ Take out the auto air vent [2].
▶ Replace the auto air vent with a new one.
▶ Reassemble the auto air vent [2] and the clip[1].

10.26 Replace the silencer

2
3
0010043112-002
Fig. 173 Replacing the silencer
▶ Remove the clip.
▶ Pull out the insert.
▶ Check strainer for contamination.
Replacement parts
0010046018-001
1.
2.
0010042959-001
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