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5 | Servicing the system
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B1510622_en | Operating instructions Firewood boiler S4 Turbo
Manual operation of the flushing device
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Use the included cleaning plate (D) to remove any deposits from the condensing boiler
heat exchanger from above
Depending on the design, the access panel on the back of the condensing boiler heat
exchanger may be removed:
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Unplug the induced draught fan cable and pull it out of the back panel
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Remove the cover plate for ID fan and back panel
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Remove the cover plate and seal from the condensing boiler heat exchanger
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Check the inside of the condensing boiler heat exchanger (B) and drain (C) for
deposits and clean if necessary