10 Inspection and maintenance
30
Installation and maintenance instructions ecoTEC pure 0020258016_01
◁
The water flows out of the heat exchanger through
the condensate siphon.
10.9
Checking the burner
1
2
3
1.
Check the surface of the burner
(1)
for damage. If any
damage is found, replace the burner.
2.
Fit a new burner flange seal
(3)
.
3.
Check the insulating mat
(2)
on the burner flange. If you
discover any signs of damage, replace the insulating
mat.
10.10 Checking the ignition electrode
1
2
3
4
5
6
1.
Disconnect the connection
(2)
and the earthing cable
(1)
.
2.
Remove the fixing screws
(3)
.
3.
Carefully remove the electrode
(4)
from the combustion
chamber.
4.
Ensure that the electrode ends
(6)
are undamaged.
5.
Clean and check the gap between the electrodes.
–
Distance between the ignition and flame control
electrodes: 3.5 … 4.5 mm
6.
Make sure that the seal
(5)
is free from damage.
▽
If necessary, replace the seal.
10.11 Cleaning the condensate siphon
A
B
C
1
2
3
1.
Unclip the lower section of the siphon
(1)
from the up-
per section of the siphon
(2)
.
2.
Remove the float
(3)
.
3.
Flush out the float and lower section of the siphon with
water.
4.
Fill the lower section of the siphon with water up to 10
mm below the upper edge of the condensate drain pipe-
work.
5.
Re-insert the float
(3)
.
Note
Check that the float is present in the con-
densate siphon.
6.
Clip the lower section of the siphon
(1)
into the upper
section of the siphon
(2)
.
10.12 Cleaning the filter in the cold water inlet
Applicability:
Product with integrated hot water generation
1.
Close the main cold water line.
2.
Drain the product on the hot water side.
3.
Remove the connection piece from the connection for
the product's cold water supply.
4.
Clean the filter in the cold water inlet without removing
it.
