Vaillant ecoTEC exclusive 627, Installation And Maintenance Instructions Manual

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Installation and maintenance instructions ecoTEC exclusive 0020193966_04
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.
# Maintenance work Interval
1 Record all of the analysis results in the Benchmark Checklist 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 that the condensate pipe is in good condition, that it is leak-tight
and that the drain is correct Annually
7 Check whether all of the externally routed condensate pipes are dimen-
sioned correctly and have been insulated sufficiently (frost protection) Annually
8 Check whether the gas flow rate corresponds with the specifications on
the data plate and lies within the tolerances specified in these instructions Annually
9 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
10 Check the general condition of the product and, if required, eliminate any
faults that are found Annually
11 Calibrating the heat generator and measuring the CO/CO
₂
content and
gas flow in heating mode
Annually
29
12 Logging the CO
₂
content (air ratio) and CO/CO
₂
ratio 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 Checking the electrical plug connections Annually
34
16 Removing dirt from the product and the vacuum chamber Annually
17 Visually check the heat cell to ascertain its condition and detect any
leaks, corrosion, rust or damage, and carry out maintenance work, if
required Annually
18 Check that the gas stopcock and service valves function correctly Annually
19 Checking the quality of the heating water Annually
36
20 Removing the compact thermal module at regular intervals
34
21 Checking the burner at regular intervals
35
22 Checking the insulating mats in the combustion area and replacing dam-
aged insulating mats at regular intervals
23 Cleaning the heat exchanger at regular intervals
35
24 Clean the condensate siphon and check the condensate discharge pipe Annually
36
25 Installing the compact thermal module at regular intervals
36
26 Checking the pre-charge pressure for the internal expansion vessel at regular intervals
36
27 Reassemble the product After each time maintenance
work is carried out
28 Opening the service valves Annually
29 Filling the heating installation Annually
27
30 Run the test operation on the product/heating installation including hot
water generation (if available) and, if required, purge the product/heating
installation Annually
31 Completing inspection and maintenance work Annually
36
32 Checking the gas type Annually