Vaillant 0010020392, Installation And Maintenance Instructions Manual

Page: 38 / 56

38
Installation and maintenance instructions ecoFIT sustain 0020230529_05
Appendix
A
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.
Note
For those appliances which are not part of an annual service agreement/policy, maintenance must be carried out
at least every 5 years.
# Maintenance work Interval
1 Record all of the analysis results in the Benchmark service record in
these instructions Annually
2 Ask the end user whether any significant problems occur when operating
the product Annually
3 Use the diagnostics system to check the product's fault history Annually
4 Visually inspect whether the air/flue pipe and its opening have been in-
stalled correctly in accordance with the set-up instructions Annually
5 Check that the unit has been installed correctly and the connections have
been secured Annually
6 Check all of the connections for tightness Annually
7 Check that the condensate pipe is in good condition, that it is leak-tight
and that the drain is correct Annually
8 Check whether all of the externally routed condensate pipes are dimen-
sioned correctly and have been insulated sufficiently (frost protection) Annually
9 Check whether the gas flow rate corresponds with the specifications on
the data plate and lies within the tolerances specified in these instructions Annually
10 If the gas flow rate lies outside of the tolerances specified in these in-
structions, eliminate the fault in accordance with the regulations and the
current technology Annually
11 Check the general condition of the product and, if required, eliminate any
faults that are found Annually
12 Carry out the combustion analysis: Measure the CO content, CO
₂
content
and the CO/CO
₂
ratio. For products with a rear air/flue connection: The
combustion analysis can only be carried out when the unit casing has
been removed; it is not necessary to test these products for flue gas recir-
culation
Annually
13 Check the product's recirculation at the supply air test point on the air/flue
pipe. If required, inspect the entire air/flue system and, if necessary, cor-
rect the fault Annually
14 Disconnect the product from the electrical installation Annually
15 Check and, if required, correct the electrical installation Annually
16 Remove the unit casing, check the condition of all of the functional com-
ponents, in particular for leaks, corrosion, rust, etc. and, if required, repair
any damage Annually
17 Visual inspection of the heat exchanger and burner seals Annually
18 Carefully clean the inside of the product: The air passages to the burner
must be clear and clean Annually
19 Close the installation's gas stopcock and, if required, service valves Annually
20 Check the quality of the heating water: Clarity (clouding), correct inhibitor
and pH value Annually
21 Removing the gas-air mixture unit at regular intervals
31
22 Checking the burner at regular intervals
32
23 Cleaning the heat exchanger at regular intervals
32
24 Check and, if required, replace the insulating mat in the burner area at regular intervals
25 Installing the gas-air mixture unit at regular intervals
33
26 Cleaning the condensate trap Annually
33
27 Filling the condensate trap Annually
26