.Removecombustionresidueswith aplastic brush
(non-metallic brush).
.Washseverelycontaminated burnersin a soapy
solution and rinsewith tap water.
.Cleanseverelycontaminated heatingwater heat
exchangerswith Fauch600,Fauch610,Sotin230
(230 GA)or equivalentcleaningagentsand rinse
with tap water.
. Reassemblein the reverseorder.
Generally,replaceall gasketsonwater andflue
gascomponentswhichhavebeenseparatedand
coatwith silicongrease(othergreasewill destroy
the gaskets)prior to reassembly.
. During reassembly,checkfor correct positioning
of the combustionchamberunit in relation to the
condensatesump.
. During reassembly,checkfor correct position of
the control cables.
Safety instructions
Carryout the following stepsafter completing the
abovemaintenancesteps:
. Openthe shut-off valve at the heatingflow
and return. Openthe cold water inlet.
. Topup the heating system,if required,to
approximately 1.5bar,andvent the heating
system.
. Openthe gasshut-off valve.
. Switch on the emergencystop switch (if
installed).
. Switch on the ON/OFFswitch on the Wolf gas-
fired boiler.
. Checkthe boiler water and gasconnectionsfor
leaks.
. Checkthe boilerfor perfectfunction andflue gas
values.
. Hookin the front casing.
Maintenance
Heating water heatexchangercomplete with the
combustion chambercylinder
I
Fig.: Heating water heatexchanger
Combustion chamber unit
Condensatesump
Fig.: Position of the combustion chamberunit/condensate
sump
Fig.: Control cableposition
33
cfi
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