Inspection and maintenance 10
0020244995_02
ecoTEC
pro
Installation
and
maintenance
instructions
29
◁
The water flows out of the heat exchanger through
the condensate siphon.
10.3
Checking the burner
1
2
3
1.
Check the surface of the burner
(1)
for damage. If you
see any damage, replace the burner.
2.
Fit a new burner flange seal
(3)
.
3.
Check the insulating mat
(2)
on the burner flange. If you
notice any signs of damage, replace the insulating mat.
10.4
Cleaning the condensate trap
1.
Remove the lower section of the condensate trap
(1)
.
2.
Flush out the lower section with water.
3.
Fill the lower section with water up to about 10 mm be-
low the upper edge.
4.
Attach the lower section to the condensate trap.
10.5
Cleaning the filter in the cold water inlet
Applicability:
Product with integrated hot water generation
1
2
1.
Close the cold water stop valve.
2.
Drain the product on the hot water side.
3.
Unscrew the cap nut
(2)
and the lock nut
(1)
from the
product's casing.
2
1
4.
Tilt the electronics box forward.
5.
Remove the clamp
(2)
.
6.
Remove the pipe
(1)
from the product.
7.
Rinse the filter under a jet of water, holding it against
the direction of flow.
8.
If the filter is damaged or it can no longer be cleaned
sufficiently, you must replace the filter.
9.
Refit the pipe.
10. Reinsert the clamp.
11. Always use new seals and retighten the cap nuts and
the lock nut.
12. Open the cold water stop valve.
10.6
Installing the compact thermal module
1
2
3
7
5
4
6
1.
Connect the compact thermal module
(2)
to the heat
exchanger
(1)
.
2.
Tighten the four new nuts
(7)
in a cross-wise pattern
until the burner flange fits closely and uniformly onto the
mating surfaces (if a torque spanner is available, set at
6 Nm).
3.
Connect the plugs
(3)
to
(6)
again.
4.
Connect the gas line using a new seal. In the process,
secure the gas pipe against twisting.
5.
Open the gas isolator cock.
6.
Make sure that there are no leaks.
7.
Check that the sealing ring in the air intake pipe is posi-
tioned correctly in the seal seat.
8.
Reconnect the air intake pipe to the intake nozzle.
9.
Secure the air intake pipe with the retaining screw.
10. Check the gas flow pressure.
