Inspection and maintenance | 69
6 720 810 590 (2015/05)
Greenstar FS
▶ Clean the heat exchanger block with the brush from top to bottom.
Fig. 89 Cleaning the heat exchanger with the cleaning brush
▶ Remove burner ( Chapter 15.1.5 “Burner servicing”).
▶ Rinse the heat exchanger with water from the top.
Fig. 90 Rinsing the heat exchanger
▶ Clean the condensate tray (with reversed brush).
Fig. 91 Cleaning the condensate tray
▶ Rinse the heat exchanger with water from the top.
▶ Clean the condensate trap connection.
▶ Close the inspection opening again using a new gasket and tighten
the screws with approx. 3.69 ft.-lbf. (5 Nm).
15.1.7 Condensate trap cleaning
▶ Remove the condensate trap (steps 1 and 2) and check that the heat
exchanger has a clear passage.
Fig. 92 Removing the condensate trap
▶ Remove and clean the condensate trap lid.
▶ Check condensate the hose and clean if necessary.
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