Maintenance and cleaning
© Solarbayer GmbH [210205]
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Exhaust gas heat exchanger / Exhaust turbulators
Cleaning with a brush
Automatic WTR control: Lubricate moving parts as
needed
WTR - Control: Check position and functionality of
sensor
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Lambda sensor
Check measuring head in exhaust pipe for dirt [clean
with dry soft cloth; lambda sensor is heated when boiler
is in operation! Danger of burns! Maintain the lambda
sensor when installed; otherwise disconnect the cable
before unscrewing the lambda sensor!]
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Exhaust pipe
Check [if necessary, remove deposits/dust so that the
flow cross-section is not narrowed]
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Exhaust blower
Check fan wheel [if necessary remove dust / blow out
with compressed air]
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Filling & Ash chamber door
Check doors and heat exchanger cover for tightness
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Heating expansion vessel
Check [Inlet pressure: Gas overpressure behind the
membrane of the expansion tank, if the expansion tank
is depressurized on the water side; System pressure:
Water overpressure of the cold system]
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