Appendix
0020134823_07 ecoTEC plus Installation and maintenance instructions 41
Code Parameter Values or explanations
Default
setting
Own setting
D.072 Internal pump overrun time after
cylinder charging
Adjustable from 0 to 10 mins 2 min
D.076 Device specific number 82 = VU 806
81 = VU 1006
80 = VU 1206
Not ad-
justable
D.077 Limit on cylinder charging output in
kW
Adjustable cylinder charging output in kW
D.080 Operating hours, heating In hours (h) Not ad-
justable
D.081 Operating hours, hot water genera-
tion
In hours (h) Not ad-
justable
D.082 Number of burner start-ups in heat-
ing mode
Number of burner start-ups Not ad-
justable
D.083 Number of burner starts in domestic
hot water mode
Number of burner start-ups Not ad-
justable
D.084 Maintenance indicator: Number of
hours until the next maintenance
Adjustment range: 0 to 3000 hrs and "---" for deactivated „---”
D.090 Status of digital control Recognised, not recognised Not ad-
justable
D.091 Status of DCF with outdoor temper-
ature sensor connected
No reception
Reception
Synchronised
Valid
Not ad-
justable
D.093 Unit variant setting (DSN) Adjustment range: 0 to 99
D.094 Delete fault history Delete fault list
0 = No
1 = Yes
D.095 Software version of the eBUS com-
ponents
1. PCB (BMU)
2. Display (AI)
4. HBI/VR34
Not ad-
justable
D.096 Default setting Reset all adjustable parameters to factory setting
0 = No
1 = Yes
C Inspection and maintenance work – Overview
Note
The table below lists the manufacturer requirements with respect to minimum inspection and maintenance inter-
vals. If national regulations and directives require shorter inspection and maintenance intervals, you should ob-
serve these instead of the intervals listed in the table.
No. Work
Inspection
(annual)
Mainten-
ance
(At least
every
two years)
1
Check the air/flue pipe for leak-tightness and correct fastening. Make sure that it is not blocked
or damaged and has been installed in accordance with the relevant set-up instructions.
X X
2
Check the general condition of the product. Remove dirt from the product and from the vacuum
chamber.
X X
3
Visually inspect the general condition of the entire heating cell and, in particular, check for signs
of corrosion, soot or other damage. If you notice any damage, carry out maintenance work.
X X
4
Check the gas connection pressure at maximum heat input. If the gas connection pressure is not
within the correct range, carry out maintenance work.
X X
5
Check the CO₂ content (air ratio) of the product and, if necessary, adjust it. Keep a record of this.
X X
6
Disconnect the product from the power supply. Check that the electrical plug connections and
other connections are seated correctly and correct these if necessary.
X X
7
Close the gas stopcock and the service valves.
X
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