32
!
Please note
Scratches to the surfaces of the heat exchanger
that come into contact with hot gas can result in
corrosion damage.
Never use brushes to clean the heating sur-
faces.
!
Please note
Brushing can cause deposits to become lodged
in the gaps between the coils.
Never use brushes to clean the heating sur-
faces.
Note
Discolouration on the heat exchanger surface is a nor-
mal sign of use. It has no bearing on the function and
service life of the heat exchanger.
The use of chemical cleaning agents is not required.
A
Fig. 24
1.
Use a vacuum cleaner to remove combustion resi-
dues from heating surface
A
of the heat
exchanger.
2.
Flush heating surface
A
with water.
3.
Check condensate drain and clean trap. See the
following chapter.
4.
Flush the heating surface again with water. This
will also fill the trap with water.
5.
Install the burner. Secure with 4 nuts (torque
4 Nm).
Checking the condensate drain and cleaning the trap
Danger
Contact with condensate can be harmful to
health.
Never let condensate touch your skin or eyes
and do not swallow it. Wear personal protective
equipment.
Commissioning, inspection, maintenance
Cleaning the heat exchanger
5686 293 GB
Содержание J3HA
Страница 10: ...10 2x 1 2 4 3 Fig 2 Installation sequence Mounting the boiler and making connections 5686 293 GB Installation ...
Страница 21: ...21 2 3 2x 1 Fig 14 Installation sequence Fitting the front panel 5686 293 GB Installation ...
Страница 78: ...78 Troubleshooting Maintenance cont 5686 293 GB Diagnosis ...
Страница 90: ...90 0004 0006 0005 0003 0001 0002 Fig 51 Parts lists Miscellaneous assembly 5686 293 GB Components ...
Страница 114: ...114 5686 293 GB ...
Страница 115: ...115 5686 293 GB ...