B Inspection And Maintenance Work - Overview - Vaillant ecoTEC plus VU GB 656/4-5 A Installation And Maintenance Instructions Manual

Code Parameter
D.72 Pump overrun after cylinder charging
D.75 Max. charging time for domestic hot
water cylinder without independent
control system
D.76 Unit variant: Device-specific number
(DSN)
D.77 Limit on cylinder charging output in
kW
D.78 Cylinder charging temperature limit
(target flow temperature in cylinder
charging mode) in °C
D.80 Operating hours, heating
D.81 Operating hours, hot water genera-
tion
D.82 Number of burner start-ups in heat-
ing mode
D.83 Number of burner start-ups in hot
water mode
D.84 Maintenance indicator: Number of
hours until the next maintenance
D.90 Status of digital controller
D.91 Status of DCF with external temper-
ature sensor connected
D.93 Product type setting (device specific
number)
D.96 Default setting
D.97 Activating the installer level
D.98 Telephone: Competent person
1. Five-digit numbers are saved for diagnostics codes 80 to 83. If you select D.80, for example, only the first two digits of the number
will be displayed (e.g. 10). Pressing
ating hours for the heating is 10947 hrs. Pressing the
called up.
Inspection and maintenance work – Overview
B
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 in the table.
No. Work
Check the flue pipe for leak-tightness and to ensure that it is fastened correctly. Make sure that
1 it is not blocked or damaged and has been installed in accordance with the relevant Installation
Manual.
Check the general condition of the product. Remove dirt from the product and from the vacuum
2
chamber.
Visually inspect the general condition of the compact thermal module. In doing so, pay particular
3 attention to signs of corrosion, rust and other defects. If you notice any damage, carry out main-
tenance work.
Check the gas flow pressure at maximum heat input. If the gas flow pressure is not within the
4
correct range, carry out maintenance work.
0020214491_01 ecoTEC plus Installation and maintenance instructions
Values or explanations
Adjustable from 0 to 600 seconds
20 - 90 min
.. 656/4‑5 = 47
Adjustable cylinder charging output in kW
55 °C-85 °C
in hrs ¹
in hrs ¹
Number of burner start-ups /100 (3 equals 300) ¹
Number of burner start-ups /100 (3 equals 300) ¹
Adjustment range: 0 to 3000 hrs and "-" for deactivated
300 equals 3000 hrs
0 = Not recognised (eBUS address ≤ 10)
1 = Recognised
0 = No reception
1 = Reception
2 = Synchronised
3 = Valid
Setting range: 0 to 99
.. 656/4‑5 = 47
Reset all adjustable parameters to factory setting
0 = No
1 = Yes
Service code 17
Programmable telephone number
switches the display to the last three digits (e.g. 947). In this example, the number of oper-
again causes the display to switch back to the diagnostics code that was
Appendix
Default set- Own setting
ting
80 s
45 minutes
Maximum
output
80 ℃
Not
adjustable
Not
adjustable
Not
adjustable
Not
adjustable
„-"
Not
adjustable
Not
adjustable
0
Mainten-
ance
Inspection
(At least
(annual)
every
two years)
X X
X X
X X
X X
33