Checking The Expansion Vessel - Worcester Greenstar 1000 GR1000W 24 C NG Installation And Maintenance Instructions Manual

Gas-fired condensing combi appliance
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Cleaning the rainguard
1
2
Fig. 92 Cleaning the rainguard
[1]
Inner surface
[2]
Sheet metal nuts
[3]
Drain hole
▶ Clean the inner surface [1] with a soft brush.
▶ Check the drain hole [3] for dirt and mud.
▶ Check the sheet metal nuts [2] for deformations and replace it with a
new one if necessary.
Assemble the rainguard
▶ Place the rainguard on the flue outlet of the heat exchanger.
1
2
3
Fig. 93 Assembly of the flue kit and the flue adaptor
[1]
Screws
[2]
Flue kit and flue adaptor
[3]
Rainguard
▶ Put the flue kit and the flue adaptor [2] on the top panel.
Greenstar 1000 – 6721835943 (2023/08)
2
3
2
0010046068-001
0010046066-002
▶ Tighten three screws [1] but do not over-tighten them.
Fig. 94 Assembly of the water drain hose
[1]
Water drain hose
▶ Assemble the water drain hose [1] into the outlet of the rainguard.
9.14

Checking the expansion vessel

The expansion vessel has to be checked on an annual service.
Fig. 95 Checking the expansion vessel
[1]
Expansion vessel
▶ Adjust the pre-pressure of the expansion vessel [1] to the static
height of the heating system if necessary.
Inspection and maintenance
1
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1
0010046027-001
61

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Greenstar 1000 gr1000w 30 c ng

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