Cleaning The Siphon And Heat Exchanger; Checking The Burner; Checking The Non-Return Valve In The Air-Gas; Manifold - Worcester Greenstar 8000 Life Series Installation And Maintenance Instructions Manual

Inspection and maintenance
8.9

Cleaning the siphon and heat exchanger

WARNING:
Gaskets and seals - gas related components
▶ Replace gaskets and seals when disturbing gas related components
(e.g. burner, electrode assembly etc.), after cleaning the heat
exchanger.
▶ Do not attempt the cleaning procedure unless new gaskets and seals
are available.
There is an optional tool available to assist in cleaning the heat
exchanger, part number 7 719 001 996.
8.9.1

Checking the burner

▶ Remove the combustion cover  chapter 6.5.
▶ Remove the burner cover.
1.
Fig. 74 Removing the burner cover
52
▶ Remove the burner and clean its components.
1.
Fig. 75 Burner
2.
▶ Reinstall the burner in reverse order, including a new gasket.
The GR8300iW 45 and 50 appliances have a different gasket with codet
pin.
▶ Install the burner and the burner cover.
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▶ Check the gas/air ratio.
8.9.2
1. Unscrew the screws at the air-gas manifold.
2. Remove the air-gas manifold.
1.
Fig. 76 Removing the air-gas manifold
1. Remove the non-return valve.
Checking the non-return valve in the air-gas manifold
1.
2.
Greenstar 8000 Life – 6720883865 (2019/02)
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