Further details regarding the individual steps
Checking and cleaning the flue gas heat exchanger
When undoing the fittings on the heat-
ing water side, counter the torque with
a second open-ended spanner.
Commissioning, inspection, maintenance
(cont.)
Note
Clean the flue gas heat exchanger, if
required, with compressed air or with
a soapy solution and flush with clean
water.
Installation with new gaskets.
25