Inspection and maintenance
Greenstar 4000 – 6 720 891 161 (2020/09)
62
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 79.
▶ 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.
Fig. 79 Removing the siphon
▶ Clean the condensate siphon.
▶ Remove the dirt trap [4] ( figure 79) 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 80.
▶ 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.
▶ Push the gasket [1] into the recess and ensure it is correctly inserted.
Fig. 80 Replacing the gasket
Refitting the siphon.
Refer to figure 81.
▶ 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. 81 Refitting the siphon
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