Appendix
40
Installation
and
maintenance
instructions
ecoTEC
pro
0020244995_02
F
Inspection and maintenance work
The table below lists the manufacturer requirements with respect to minimum inspection and maintenance intervals. If na-
tional regulations and directives require shorter inspection and maintenance intervals, you should observe these instead of
the intervals listed. Each time inspection and maintenance work is carried out, carry out the required preparatory and com-
pletion work.
#
Maintenance work
Interval
1
Check the tightness of the air/flue pipe, make sure that it is not damaged
and has been attached correctly, and check that it has been set up cor-
rectly
Annually
2
Removing dirt from the product and the vacuum chamber
Annually
3
Visually check the heat cell to ascertain its condition and detect any cor-
rosion, rust or damage, and carry out maintenance work, if required
Annually
4
Checking the gas connection pressure at maximum heat input
Annually
5
Checking the CO
₂
content and, if necessary, adjusting it (air index setting)
Annually
22
6
Recording the CO
2
content (the air ratio)
Annually
7
Check that the connections/electrical plug connections have been con-
nected correctly/function correctly (product must be voltage-free)
Annually
8
Check that the gas stopcock and service valves function correctly
Annually
9
Checking the condensate trap for dirt and cleaning it
Annually
10
Checking the pre-charge pressure of the expansion vessel
If required, at least every
2 years
11
Checking the insulating mats in the combustion area and replacing dam-
aged insulating mats
If required, at least every
2 years
12
Cleaning the heat exchanger
If required, at least every
2 years
28
13
Check the burner for damage
If required, at least every
2 years
14
If the water volume is insufficient (domestic hot water) or the outlet tem-
perature is insufficient, check the secondary heat exchanger
If required, at least every
2 years
15
Cleaning the filter in the cold water inlet
If required, at least every
2 years
29
16
Check the impeller sensor for dirt/damage
If required, at least every
2 years
17
Filling the heating installation
If required, at least every
2 years
19
18
Run the test operation on the product/heating installation including
domestic hot water generation (if available) and, if required, purge the
product/heating installation
Annually
19
Visually check the ignition and burner behaviour
Annually
20
Re-checking the CO
₂
content (the air ratio)
If required, at least every
2 years
21
Check the product for gas, flue gas and water leaks
Annually
22
Completing inspection and maintenance work
Annually
30
