Cleaning The Condensate Trap; Replacing The Gasket; Removing The Siphon - Worcester Greenstar 4000 Installation And Maintenance Instructions Manual

8.7.2

Cleaning the condensate trap

WARNING
Danger to life due to poisoning!
If the condensate trap is not filled, poisonous flue gas can escape.
▶ Fill the condensate trap with approximately 250 ml water before
refitting.
▶ Make sure that the condensate discharge drains off properly.
Damage resulting from an insufficiently cleaned trap is excluded from
the warranty.
▶ Check and clean the siphon during regular maintenance.

Removing the siphon.

Refer to figure 81.
▶ Disconnect the discharge elbow [3] from the siphon.
▶ Place a suitable container below the siphon outlet to catch any water.
▶ Whilst supporting the siphon [2], press the locking lever [1] to the
unlock position.
▶ Release the siphon [2] from the connection.
▶ Tip the siphon backwards to empty any condensate which will be
discharged whilst removing the siphon from the appliance.
▶ Remove the siphon.
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Fig. 81 Removing the siphon
▶ Clean the condensate siphon.
▶ Remove the dirt trap [4] ( figure 81) at the bottom and clean it.
– Check dirt trap gasket for cracks, deformation or breakage,
replace if required.
▶ Refit the dirt trap and check that it is correctly seated.
▶ Check that the opening to the heat exchanger is clear.
Replacing siphon gasket.
Refer to figure 82.
▶ Remove the gasket on the top of the siphon.
▶ Check the gasket for cracks, deformation or breakage and replace if
required.
▶ Align the gasket [1] correctly with the siphon.
Greenstar 4000 – 6 720 891 162 (2020/09)
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▶ Push the gasket [1] into the recess and ensure it is correctly inserted.
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Fig. 82 Replacing the gasket
Refitting the siphon.
Refer to figure 83.
▶ Check the condition of the discharge elbow.
– Check for cracks, deformation or breakage, replace if required.
– Clean discharge elbow if required.
▶ Fit the discharge elbow to the 25mm condensate pipework
protrusion on the wall frame.
▶ Fill the condensate siphon with approx. 250 ml water.
▶ Fit the condensate siphon [1]. Ensure the alignment arrow on the
locking arm is in the locked position.
– Ensure the condensate siphon is secured correctly.
▶ Fit the discharge elbow [2] onto the outlet, ensuring the locating
arrows are aligned.
Fig. 83 Refitting the siphon
Inspection and maintenance
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